136 files changed, 1668 insertions, 1547 deletions

diff --git a/tests/001.sh b/tests/001.sh
deleted file mode 100644
index 9337ec5..0000000
--- a/tests/001.sh
+++ /dev/null
@@ -1,5 +0,0 @@
-test_exit_code 42 <<'EOF'
-int main() {
-    return 42;
-}
-EOF
diff --git a/tests/002.sh b/tests/002.sh
deleted file mode 100644
index c3fdcc9..0000000
--- a/tests/002.sh
+++ /dev/null
@@ -1,5 +0,0 @@
-test_exit_code 21 <<'EOF'
-int main() {
-    return 5+20-4;
-}
-EOF
diff --git a/tests/003.sh b/tests/003.sh
deleted file mode 100644
index 61ea83f..0000000
--- a/tests/003.sh
+++ /dev/null
@@ -1,5 +0,0 @@
-test_exit_code 26 <<'EOF'
-int main() {
-    return 2*3+4*5;
-}
-EOF
diff --git a/tests/004.sh b/tests/004.sh
deleted file mode 100644
index 028ef90..0000000
--- a/tests/004.sh
+++ /dev/null
@@ -1,5 +0,0 @@
-test_exit_code 197 <<'EOF'
-int main() {
-    return (((3+5)/2) + (5*(9-6)) * (5+6*7)) % 256;
-}
-EOF
diff --git a/tests/005.sh b/tests/005.sh
deleted file mode 100644
index ffcd0a5..0000000
--- a/tests/005.sh
+++ /dev/null
@@ -1,5 +0,0 @@
-test_exit_code 30 <<'EOF'
-int main() {
-    return (-10 + 20 * -3) + 100;
-}
-EOF
diff --git a/tests/007.sh b/tests/007.sh
deleted file mode 100644
index d780993..0000000
--- a/tests/007.sh
+++ /dev/null
@@ -1,7 +0,0 @@
-test_exit_code 42 <<'EOF'
-int main() {
-    int foo;
-    foo = 42;
-    return foo;
-}
-EOF
diff --git a/tests/008.sh b/tests/008.sh
deleted file mode 100644
index 6de3a99..0000000
--- a/tests/008.sh
+++ /dev/null
@@ -1,9 +0,0 @@
-test_exit_code 70 <<'EOF'
-int main() {
-    int foo;
-    int bar;
-    foo = 42;
-    bar = 28;
-    return foo + bar;
-}
-EOF
diff --git a/tests/011.sh b/tests/011.sh
deleted file mode 100644
index 877b8d1..0000000
--- a/tests/011.sh
+++ /dev/null
@@ -1,12 +0,0 @@
-test_exit_code 45 <<'EOF'
-int main() {
-    int i;
-    int ret;
-    i = 0;
-    ret = 0;
-    for (i = 0; i < 10; i = i + 1) {
-        ret = ret + i;
-    }
-    return ret;
-}
-EOF
diff --git a/tests/012.sh b/tests/012.sh
deleted file mode 100644
index bee4e69..0000000
--- a/tests/012.sh
+++ /dev/null
@@ -1,15 +0,0 @@
-test_exit_code 25 <<'EOF'
-int main() {
-    int i;
-    int ret;
-    i = 0;
-    ret = 0;
-    for (i = 0; i < 10; i = i + 1) {
-        if (i % 2 == 0) {
-            continue;
-        }
-        ret = ret + i;
-    }
-    return ret;
-}
-EOF
diff --git a/tests/013.sh b/tests/013.sh
deleted file mode 100644
index e8e4b13..0000000
--- a/tests/013.sh
+++ /dev/null
@@ -1,15 +0,0 @@
-test_exit_code 66 <<'EOF'
-int main() {
-    int i;
-    int ret;
-    i = 0;
-    ret = 0;
-    for (i = 0; i < 100; i = i + 1) {
-        if (i == 12) {
-            break;
-        }
-        ret = ret + i;
-    }
-    return ret;
-}
-EOF
diff --git a/tests/014.sh b/tests/014.sh
deleted file mode 100644
index 7e5573a..0000000
--- a/tests/014.sh
+++ /dev/null
@@ -1,19 +0,0 @@
-test_exit_code 66 <<'EOF'
-int foo() {
-    int i;
-    int ret;
-    i = 0;
-    ret = 0;
-    for (i = 0; i < 100; i = i + 1) {
-        if (i == 12) {
-            break;
-        }
-        ret = ret + i;
-    }
-    return ret;
-}
-
-int main() {
-    return foo();
-}
-EOF
diff --git a/tests/017.sh b/tests/017.sh
deleted file mode 100644
index 552fbf4..0000000
--- a/tests/017.sh
+++ /dev/null
@@ -1,6 +0,0 @@
-touch expected
-test_diff <<'EOF'
-int main() {
-    return 0;
-}
-EOF
diff --git a/tests/018.sh b/tests/018.sh
deleted file mode 100644
index a9d4e1d..0000000
--- a/tests/018.sh
+++ /dev/null
@@ -1,23 +0,0 @@
-touch expected
-test_diff <<'EOF'
-int main() {
-    "";
-    return 0;
-}
-EOF
-
-touch expected
-test_diff <<'EOF'
-int main() {
-    "abc";
-    return 0;
-}
-EOF
-
-touch expected
-test_diff <<'EOF'
-int main() {
-    "\"foo\"bar\\\n\"";
-    return 0;
-}
-EOF
diff --git a/tests/019.sh b/tests/019.sh
deleted file mode 100644
index 33b2e7d..0000000
--- a/tests/019.sh
+++ /dev/null
@@ -1,33 +0,0 @@
-touch expected
-test_diff <<'EOF'
-int printf();
-
-int main() {
-    printf("");
-    return 0;
-}
-EOF
-
-cat <<'EOF' > expected
-Hello, World!
-EOF
-test_diff <<'EOF'
-int printf();
-
-int main() {
-    printf("Hello, World!\n");
-    return 0;
-}
-EOF
-
-cat <<'EOF' > expected
-"Hello, World!"
-EOF
-test_diff <<'EOF'
-int printf();
-
-int main() {
-    printf("\"Hello, World!\"\n");
-    return 0;
-}
-EOF
diff --git a/tests/021.sh b/tests/021.sh
deleted file mode 100644
index d51057f..0000000
--- a/tests/021.sh
+++ /dev/null
@@ -1,22 +0,0 @@
-cat <<'EOF' > expected
-EOF
-test_diff <<'EOF'
-int main() {
-    int a1;
-    int* a2;
-    char a3;
-    char* a4;
-    long a5;
-    long* a6;
-    void* a8;
-    int** a10;
-    char** a12;
-    long** a14;
-    void** a16;
-    int*** a18;
-    char*** a20;
-    long*** a22;
-    void*** a24;
-    return 0;
-}
-EOF
diff --git a/tests/022.sh b/tests/022.sh
deleted file mode 100644
index 93efe9b..0000000
--- a/tests/022.sh
+++ /dev/null
@@ -1,15 +0,0 @@
-cat <<'EOF' > expected
-42 42
-EOF
-test_diff <<'EOF'
-int printf();
-
-int main() {
-    int x;
-    int* y;
-    y = &x;
-    *y = 42;
-    printf("%d %d\n", x, *y);
-    return 0;
-}
-EOF
diff --git a/tests/023.sh b/tests/023.sh
deleted file mode 100644
index 8346e3a..0000000
--- a/tests/023.sh
+++ /dev/null
@@ -1,39 +0,0 @@
-cat <<'EOF' > expected
-sizeof(int) = 4
-sizeof(int*) = 8
-sizeof(char) = 1
-sizeof(char*) = 8
-sizeof(long) = 8
-sizeof(long*) = 8
-sizeof(void*) = 8
-sizeof(int**) = 8
-sizeof(char**) = 8
-sizeof(long**) = 8
-sizeof(void**) = 8
-sizeof(int***) = 8
-sizeof(char***) = 8
-sizeof(long***) = 8
-sizeof(void***) = 8
-EOF
-test_diff <<'EOF'
-int printf();
-
-int main() {
-    printf("sizeof(int) = %d\n", sizeof(int));
-    printf("sizeof(int*) = %d\n", sizeof(int*));
-    printf("sizeof(char) = %d\n", sizeof(char));
-    printf("sizeof(char*) = %d\n", sizeof(char*));
-    printf("sizeof(long) = %d\n", sizeof(long));
-    printf("sizeof(long*) = %d\n", sizeof(long*));
-    printf("sizeof(void*) = %d\n", sizeof(void*));
-    printf("sizeof(int**) = %d\n", sizeof(int**));
-    printf("sizeof(char**) = %d\n", sizeof(char**));
-    printf("sizeof(long**) = %d\n", sizeof(long**));
-    printf("sizeof(void**) = %d\n", sizeof(void**));
-    printf("sizeof(int***) = %d\n", sizeof(int***));
-    printf("sizeof(char***) = %d\n", sizeof(char***));
-    printf("sizeof(long***) = %d\n", sizeof(long***));
-    printf("sizeof(void***) = %d\n", sizeof(void***));
-    return 0;
-}
-EOF
diff --git a/tests/024.sh b/tests/024.sh
deleted file mode 100644
index 9b3c484..0000000
--- a/tests/024.sh
+++ /dev/null
@@ -1,39 +0,0 @@
-cat <<'EOF' > expected
-3
-3
-3
-EOF
-test_diff <<'EOF'
-int printf();
-
-int main() {
-    char c;
-    int i;
-    long l;
-    c = 42;
-    i = 42*2;
-    l = 42*3;
-
-    char* cp1;
-    char* cp2;
-    int* ip1;
-    int* ip2;
-    long* lp1;
-    long* lp2;
-
-    cp1 = &c;
-    cp2 = &c + 3;
-
-    ip1 = &i;
-    ip2 = &i + 3;
-
-    lp1 = &l;
-    lp2 = &l + 3;
-
-    printf("%d\n", cp2 - cp1);
-    printf("%d\n", ip2 - ip1);
-    printf("%d\n", lp2 - lp1);
-
-    return 0;
-}
-EOF
diff --git a/tests/025.sh b/tests/025.sh
deleted file mode 100644
index 54fd905..0000000
--- a/tests/025.sh
+++ /dev/null
@@ -1,15 +0,0 @@
-cat <<'EOF' > expected
-123
-EOF
-test_diff <<'EOF'
-int printf();
-
-void foo_bar(int hoge_piyo) {
-    printf("%d\n", hoge_piyo);
-}
-
-int main() {
-    foo_bar(123);
-    return 0;
-}
-EOF
diff --git a/tests/028.sh b/tests/028.sh
deleted file mode 100644
index a3babed..0000000
--- a/tests/028.sh
+++ /dev/null
@@ -1,88 +0,0 @@
-cat <<'EOF' > expected
-sizeof(struct Token) = 16
-sizeof(struct Define) = 16
-sizeof(struct Type) = 24
-sizeof(struct AstNode) = 128
-sizeof(struct LVar) = 16
-sizeof(struct Func) = 16
-sizeof(struct Parser) = 64
-sizeof(struct CodeGen) = 16
-EOF
-test_diff <<'EOF'
-struct Token {
-    int kind;
-    char* value;
-};
-
-struct Define {
-    char* from;
-    struct Token* to;
-};
-
-struct AstNode;
-
-struct Type {
-    int kind;
-    struct Type* to;
-    struct AstNode* members;
-};
-
-struct AstNode {
-    int kind;
-    struct AstNode* next;
-    struct AstNode* last;
-    char* name;
-    struct AstNode* func_params;
-    struct AstNode* func_body;
-    int int_value;
-    struct AstNode* expr1;
-    struct AstNode* expr2;
-    struct AstNode* expr3;
-    int op;
-    struct Type* ty;
-    int var_index;
-    struct AstNode* node1;
-    struct AstNode* node2;
-    char** str_literals;
-};
-
-struct LVar {
-    char* name;
-    struct Type* ty;
-};
-
-struct Func {
-    char* name;
-    struct Type* ty;
-};
-
-struct Parser {
-    struct Token* tokens;
-    int pos;
-    struct LVar* locals;
-    int n_locals;
-    struct Func* funcs;
-    int n_funcs;
-    char** str_literals;
-    int n_str_literals;
-};
-
-struct CodeGen {
-    int next_label;
-    int* loop_labels;
-};
-
-int printf();
-
-int main() {
-    printf("sizeof(struct Token) = %d\n", sizeof(struct Token));
-    printf("sizeof(struct Define) = %d\n", sizeof(struct Define));
-    printf("sizeof(struct Type) = %d\n", sizeof(struct Type));
-    printf("sizeof(struct AstNode) = %d\n", sizeof(struct AstNode));
-    printf("sizeof(struct LVar) = %d\n", sizeof(struct LVar));
-    printf("sizeof(struct Func) = %d\n", sizeof(struct Func));
-    printf("sizeof(struct Parser) = %d\n", sizeof(struct Parser));
-    printf("sizeof(struct CodeGen) = %d\n", sizeof(struct CodeGen));
-    return 0;
-}
-EOF
diff --git a/tests/029.sh b/tests/029.sh
deleted file mode 100644
index 81cc5b4..0000000
--- a/tests/029.sh
+++ /dev/null
@@ -1,23 +0,0 @@
-cat <<'EOF' > expected
-42
-123
-EOF
-test_diff <<'EOF'
-struct S {
-    int a;
-    int b;
-};
-
-int printf();
-void* calloc();
-
-int main() {
-    struct S* sp;
-    sp = calloc(1, sizeof(struct S));
-    sp->a = 42;
-    printf("%d\n", sp->a);
-    (*sp).b = 123;
-    printf("%d\n", (*sp).b);
-    return 0;
-}
-EOF
diff --git a/tests/031.sh b/tests/031.sh
deleted file mode 100644
index a2b3832..0000000
--- a/tests/031.sh
+++ /dev/null
@@ -1,12 +0,0 @@
-cat <<'EOF' > expected
-42
-EOF
-test_diff <<'EOF'
-int printf();
-
-int main() {
-    int a = 42;
-    printf("%d\n", a);
-    return 0;
-}
-EOF
diff --git a/tests/032.sh b/tests/032.sh
deleted file mode 100644
index b5812dd..0000000
--- a/tests/032.sh
+++ /dev/null
@@ -1,15 +0,0 @@
-cat <<'EOF' > expected
-97 48
-92 39
-10
-EOF
-test_diff <<'EOF'
-int printf();
-
-int main() {
-    printf("%d %d\n", 'a', '0');
-    printf("%d %d\n", '\\', '\'');
-    printf("%d\n", '\n');
-    return 0;
-}
-EOF
diff --git a/tests/033.sh b/tests/033.sh
deleted file mode 100644
index fd43548..0000000
--- a/tests/033.sh
+++ /dev/null
@@ -1,44 +0,0 @@
-cat <<'EOF' > expected
-42
-EOF
-test_diff <<'EOF'
-int printf();
-void* calloc();
-
-int main() {
-    int b;
-    int* a = &b;
-    a[0] = 42;
-    printf("%d\n", *a);
-    return 0;
-}
-EOF
-
-cat <<'EOF' > expected
-0 0
-1 1
-2 2
-3 3
-4 4
-5 5
-6 6
-7 7
-8 8
-9 9
-EOF
-test_diff <<'EOF'
-int printf();
-void* calloc();
-
-int main() {
-    long* a = calloc(10, sizeof(long));
-    long i = 0;
-    for (i = 0; i < 10; i = i + 1) {
-        a[i] = i;
-    }
-    for (i = 0; i < 10; i = i + 1) {
-        printf("%d %d\n", *(a + i), a[i]);
-    }
-    return 0;
-}
-EOF
diff --git a/tests/034.sh b/tests/034.sh
deleted file mode 100644
index ebf0a4e..0000000
--- a/tests/034.sh
+++ /dev/null
@@ -1,15 +0,0 @@
-cat <<'EOF' > expected
-EOF
-test_diff <<'EOF'
-struct S {
-    int a;
-};
-
-struct S* f();
-
-struct S* g() {}
-
-int main() {
-    return 0;
-}
-EOF
diff --git a/tests/035.sh b/tests/035.sh
deleted file mode 100644
index f411a27..0000000
--- a/tests/035.sh
+++ /dev/null
@@ -1,15 +0,0 @@
-cat <<'EOF' > expected
-0
-1
-0
-EOF
-test_diff <<'EOF'
-int printf();
-
-int main() {
-    printf("%d\n", !1);
-    printf("%d\n", !0);
-    printf("%d\n", !23);
-    return 0;
-}
-EOF
diff --git a/tests/036.sh b/tests/036.sh
deleted file mode 100644
index 0975bcf..0000000
--- a/tests/036.sh
+++ /dev/null
@@ -1,25 +0,0 @@
-cat <<'EOF' > expected
-42
-EOF
-test_diff <<'EOF'
-void* calloc();
-int printf();
-
-struct T;
-
-struct S {
-    struct T* a;
-};
-
-struct T {
-    int b;
-};
-
-int main() {
-    struct S* s = calloc(1, sizeof(struct S));
-    s->a = calloc(1, sizeof(struct T));
-    s->a->b = 42;
-    printf("%d\n", s->a->b);
-    return 0;
-}
-EOF
diff --git a/tests/037.sh b/tests/037.sh
deleted file mode 100644
index bef69a5..0000000
--- a/tests/037.sh
+++ /dev/null
@@ -1,16 +0,0 @@
-cat <<'EOF' > expected
-hi
-EOF
-test_diff <<'EOF'
-int printf();
-
-void f() {
-    printf("hi\n");
-    return;
-}
-
-int main() {
-    f();
-    return 0;
-}
-EOF
diff --git a/tests/039.sh b/tests/039.sh
deleted file mode 100644
index f00d024..0000000
--- a/tests/039.sh
+++ /dev/null
@@ -1,30 +0,0 @@
-cat <<'EOF' > expected
-65
-65
-66
-67
-68
-EOF
-test_diff <<'EOF'
-void* calloc();
-int printf();
-
-int main() {
-    char* source = calloc(4, sizeof(char));
-
-    source[0] = 'A';
-    source[1] = 'B';
-    source[2] = 'C';
-    source[3] = 'D';
-
-    int a = source[0];
-
-    printf("%d\n", a);
-    printf("%d\n", source[0]);
-    printf("%d\n", source[1]);
-    printf("%d\n", source[2]);
-    printf("%d\n", source[3]);
-
-    return 0;
-}
-EOF
diff --git a/tests/040.sh b/tests/040.sh
deleted file mode 100644
index 88ba93f..0000000
--- a/tests/040.sh
+++ /dev/null
@@ -1,38 +0,0 @@
-cat <<'EOF' > expected
-0
-1
-2
-3
-4
-10
-11
-12
-13
-14
-20
-21
-22
-23
-24
-25
-EOF
-test_diff <<'EOF'
-int printf();
-
-int main() {
-    int i = 0;
-    for (; i < 5; i = i + 1) {
-        printf("%d\n", i);
-    }
-    for (i = 10; i < 15; ) {
-        printf("%d\n", i);
-        i = i + 1;
-    }
-    for (i = 20; ; i = i + 1) {
-        printf("%d\n", i);
-        if (i == 25) break;
-    }
-
-    return 0;
-}
-EOF
diff --git a/tests/042.sh b/tests/042.sh
deleted file mode 100644
index 8e2c85b..0000000
--- a/tests/042.sh
+++ /dev/null
@@ -1,18 +0,0 @@
-cat <<'EOF' > expected
-42,123
-EOF
-test_diff <<'EOF'
-int printf();
-
-#define A foo_a
-#define B foo_b
-
-int main() {
-    int foo_a = 42;
-    int foo_b = 123;
-
-    printf("%d,%d\n", A, B);
-
-    return 0;
-}
-EOF
diff --git a/tests/044.sh b/tests/044.sh
deleted file mode 100644
index a460ae4..0000000
--- a/tests/044.sh
+++ /dev/null
@@ -1,20 +0,0 @@
-cat <<'EOF' > expected
-4
-0,1,2
-EOF
-test_diff <<'EOF'
-int printf();
-
-enum E {
-    A,
-    B,
-    C,
-};
-
-int main() {
-    enum E x = A;
-    printf("%d\n", sizeof(enum E));
-    printf("%d,%d,%d\n", A, B, C);
-    return 0;
-}
-EOF
diff --git a/tests/046.sh b/tests/046.sh
deleted file mode 100644
index 240d969..0000000
--- a/tests/046.sh
+++ /dev/null
@@ -1,19 +0,0 @@
-cat <<'EOF' > expected
-42
-EOF
-test_diff <<'EOF'
-void* calloc();
-int printf();
-
-struct S {
-    int x;
-};
-typedef struct S S;
-
-int main() {
-    S* s = calloc(1, sizeof(S));
-    s->x = 42;
-    printf("%d\n", s->x);
-    return 0;
-}
-EOF
diff --git a/tests/050.sh b/tests/050.sh
deleted file mode 100644
index 1d3fe2d..0000000
--- a/tests/050.sh
+++ /dev/null
@@ -1,10 +0,0 @@
-cat <<'EOF' > expected
-hello, world
-EOF
-test_diff <<'EOF'
-int printf();
-int main() {
-    printf("hello, world\n");
-    return 0;
-}
-EOF
diff --git a/tests/051.sh b/tests/051.sh
deleted file mode 100644
index f504664..0000000
--- a/tests/051.sh
+++ /dev/null
@@ -1,8 +0,0 @@
-cat <<'EOF' > expected
-undefined function: f
-EOF
-test_compile_error <<'EOF'
-int main() {
-    f();
-}
-EOF
diff --git a/tests/054.sh b/tests/054.sh
deleted file mode 100644
index 4990b89..0000000
--- a/tests/054.sh
+++ /dev/null
@@ -1,21 +0,0 @@
-cat <<'EOF' > expected
-0
-1
-EOF
-test_diff <<'EOF'
-int printf();
-void* calloc();
-
-struct S {
-    int a;
-    int b;
-};
-
-int main() {
-    struct S* s = calloc(1, sizeof(struct S));
-    s->b = 1;
-    printf("%ld\n", s->a);
-    printf("%ld\n", s->b);
-    return 0;
-}
-EOF
diff --git a/tests/056.sh b/tests/056.sh
deleted file mode 100644
index ff2ad18..0000000
--- a/tests/056.sh
+++ /dev/null
@@ -1,28 +0,0 @@
-cat <<'EOF' > expected
-12
-EOF
-
-cat <<'EOF' > math.h
-int multiply(int a, int b) {
-    return a * b;
-}
-EOF
-
-cat <<'EOF' > calc.h
-#include "math.h"
-
-int calculate(int x) {
-    return multiply(x, 2);
-}
-
-int printf(const char*, ...);
-EOF
-
-test_diff <<'EOF'
-#include "calc.h"
-
-int main() {
-    printf("%d\n", calculate(6));
-    return 0;
-}
-EOF
diff --git a/tests/057.sh b/tests/057.sh
deleted file mode 100644
index 3649588..0000000
--- a/tests/057.sh
+++ /dev/null
@@ -1,11 +0,0 @@
-cat <<'EOF' > expected
-main.c:1: cannot open include file: "nonexistent.h"
-EOF
-
-test_compile_error <<'EOF'
-#include "nonexistent.h"
-
-int main() {
-    return 0;
-}
-EOF
diff --git a/tests/058.sh b/tests/058.sh
deleted file mode 100644
index b491ad4..0000000
--- a/tests/058.sh
+++ /dev/null
@@ -1,23 +0,0 @@
-cat <<'EOF' > expected
-include depth limit exceeded
-EOF
-
-# Create circular include files
-cat <<'EOF' > a.h
-#include "b.h"
-int a() { return 1; }
-EOF
-
-cat <<'EOF' > b.h
-#include "a.h"
-int b() { return 2; }
-EOF
-
-test_compile_error <<'EOF'
-#include "a.h"
-
-int main() {
-    a() + b();
-    return 0;
-}
-EOF
diff --git a/tests/060.sh b/tests/060.sh
deleted file mode 100644
index 7f80fcf..0000000
--- a/tests/060.sh
+++ /dev/null
@@ -1,18 +0,0 @@
-cat <<'EOF' > expected
-42
-EOF
-
-cat <<'EOF' > header.h
-#define A 42
-EOF
-
-test_diff <<'EOF'
-#include "header.h"
-
-int printf();
-
-int main() {
-    printf("%d\n", A);
-    return 0;
-}
-EOF
diff --git a/tests/061.sh b/tests/061.sh
deleted file mode 100644
index 019aac2..0000000
--- a/tests/061.sh
+++ /dev/null
@@ -1,12 +0,0 @@
-cat <<'EOF' > expected
-1
-EOF
-
-test_diff <<'EOF'
-int printf();
-
-int main() {
-    printf("%d\n", __ducc__);
-    return 0;
-}
-EOF
diff --git a/tests/062.sh b/tests/062.sh
deleted file mode 100644
index 74ef2e1..0000000
--- a/tests/062.sh
+++ /dev/null
@@ -1,36 +0,0 @@
-cat <<'EOF' > expected
-__ducc__ is defined.
-A is defined.
-B is undefined.
-EOF
-
-test_diff <<'EOF'
-int printf();
-
-#define A 123
-
-int main() {
-
-#ifdef __ducc__
-    printf("__ducc__ is defined.\n");
-#else
-    printf("__ducc__ is undefined.\n");
-#endif
-
-#ifdef A
-    printf("A is defined.\n");
-#else
-    printf("A is undefined.\n");
-#endif
-
-#ifdef B
-    printf("B is defined.\n");
-#else
-    printf("B is undefined.\n");
-#endif
-
-#define B 456
-
-    return 0;
-}
-EOF
diff --git a/tests/066.sh b/tests/066.sh
deleted file mode 100644
index 0a5e570..0000000
--- a/tests/066.sh
+++ /dev/null
@@ -1,13 +0,0 @@
-cat <<'EOF' > expected
-24
-EOF
-
-test_diff <<'EOF'
-#include <stdarg.h>
-
-int printf();
-
-int main() {
-    printf("%d\n", sizeof(va_list));
-}
-EOF
diff --git a/tests/067.sh b/tests/067.sh
deleted file mode 100644
index fa8510f..0000000
--- a/tests/067.sh
+++ /dev/null
@@ -1,13 +0,0 @@
-cat <<'EOF' > expected
-123
-460
-EOF
-
-test_diff <<'EOF'
-int printf();
-
-int main() {
-    printf("%d\n", 0 | 123);
-    printf("%d\n", 12 | 456);
-}
-EOF
diff --git a/tests/068.sh b/tests/068.sh
deleted file mode 100644
index b3fc394..0000000
--- a/tests/068.sh
+++ /dev/null
@@ -1,27 +0,0 @@
-cat <<'EOF' > expected
-0
-1
-4
-9
-16
-25
-36
-49
-64
-81
-EOF
-
-test_diff <<'EOF'
-int printf();
-
-int main() {
-    int i;
-    int a[10];
-    for (i = 0; i < 10; ++i) {
-        a[i] = i * i;
-    }
-    for (i = 0; i < 10; ++i) {
-        printf("%d\n", a[i]);
-    }
-}
-EOF
diff --git a/tests/069.sh b/tests/069.sh
deleted file mode 100644
index 6be03e5..0000000
--- a/tests/069.sh
+++ /dev/null
@@ -1,16 +0,0 @@
-cat <<'EOF' > expected
-h
-l
-,
-EOF
-
-test_diff <<'EOF'
-int printf();
-
-int main() {
-    char* h = " hello,world" + 1;
-    printf("%c\n", *h);
-    printf("%c\n", h[2]);
-    printf("%c\n", *(h + 5));
-}
-EOF
diff --git a/tests/070.sh b/tests/070.sh
deleted file mode 100644
index e90f1e0..0000000
--- a/tests/070.sh
+++ /dev/null
@@ -1,13 +0,0 @@
-cat <<'EOF' > expected
-123
-EOF
-
-test_diff <<'EOF'
-#define foo() 123
-
-int printf();
-
-int main() {
-    printf("%d\n", foo());
-}
-EOF
diff --git a/tests/071.sh b/tests/071.sh
deleted file mode 100644
index 6af34ee..0000000
--- a/tests/071.sh
+++ /dev/null
@@ -1,16 +0,0 @@
-cat <<'EOF' > expected
-579
-975
-EOF
-
-test_diff <<'EOF'
-#define foo 123 + 456
-#define bar() 321 + 654
-
-int printf();
-
-int main() {
-    printf("%d\n", foo);
-    printf("%d\n", bar());
-}
-EOF
diff --git a/tests/073.sh b/tests/073.sh
deleted file mode 100644
index c804692..0000000
--- a/tests/073.sh
+++ /dev/null
@@ -1,20 +0,0 @@
-cat <<'EOF' > expected
-main.c
-main.c
-main.c
-EOF
-
-cat <<'EOF' > header.h
-#define A __FILE__
-EOF
-
-test_diff <<'EOF'
-#define B __FILE__
-#include "header.h"
-int printf();
-int main() {
-    printf("%s\n", __FILE__);
-    printf("%s\n", B);
-    printf("%s\n", A);
-}
-EOF
diff --git a/tests/074.sh b/tests/074.sh
deleted file mode 100644
index f7ac0fe..0000000
--- a/tests/074.sh
+++ /dev/null
@@ -1,20 +0,0 @@
-cat <<'EOF' > expected
-5
-6 6
-7 7
-EOF
-
-cat <<'EOF' > header.h
-#define A __LINE__
-EOF
-
-test_diff <<'EOF'
-#define B __LINE__
-#include "header.h"
-int printf();
-int main() {
-    printf("%d\n", __LINE__);
-    printf("%d %d\n", B, B);
-    printf("%d %d\n", A, A);
-}
-EOF
diff --git a/tests/075.sh b/tests/075.sh
deleted file mode 100644
index 2f15211..0000000
--- a/tests/075.sh
+++ /dev/null
@@ -1,14 +0,0 @@
-cat <<'EOF' > expected
-EOF
-
-test_diff <<'EOF'
-/* lorem ipsum */
-/*
-lorem ipsum
-*/
-// /*
-/* /*
- */
-int/**/main() {
-}
-EOF
diff --git a/tests/076.sh b/tests/076.sh
deleted file mode 100644
index 71de9d7..0000000
--- a/tests/076.sh
+++ /dev/null
@@ -1,33 +0,0 @@
-cat <<'EOF' > expected
-sizeof(a) = 4
-sizeof(b) = 8
-sizeof(c) = 123
-sizeof(d) = 16
-sizeof(e) = 8
-sizeof(f) = 1968
-EOF
-test_diff <<'EOF'
-int printf();
-
-struct S {
-    long x;
-    long y;
-};
-
-int main() {
-    int a;
-    long b;
-    char c[123];
-    struct S d;
-    void* e;
-    struct S f[123];
-
-    printf("sizeof(a) = %d\n", sizeof(a));
-    printf("sizeof(b) = %d\n", sizeof(b));
-    printf("sizeof(c) = %d\n", sizeof(c));
-    printf("sizeof(d) = %d\n", sizeof(d));
-    printf("sizeof(e) = %d\n", sizeof(e));
-    printf("sizeof(f) = %d\n", sizeof(f));
-    return 0;
-}
-EOF
diff --git a/tests/077.sh b/tests/077.sh
deleted file mode 100644
index 89cfb8c..0000000
--- a/tests/077.sh
+++ /dev/null
@@ -1,10 +0,0 @@
-cat <<'EOF' > expected
-0
-EOF
-test_diff <<'EOF'
-int printf();
-
-int main() {
-    printf("%d\n", '\0');
-}
-EOF
diff --git a/tests/085.sh b/tests/085.sh
deleted file mode 100644
index 9e2f32d..0000000
--- a/tests/085.sh
+++ /dev/null
@@ -1,38 +0,0 @@
-cat <<'EOF' > expected
-0
-42
-48
-0
-0
-0
-0
-0
-0
-0
-0
-0
-0
-0
-0
-123
-EOF
-
-test_diff <<'EOF'
-int printf();
-
-int a;
-int b[12];
-
-int main() {
-    printf("%d\n", a);
-    a = 42;
-    printf("%d\n", a);
-    printf("%zu\n", sizeof(b));
-    int i;
-    for (i = 0; i < 12; ++i) {
-        printf("%d\n", b[i]);
-    }
-    b[11] = 123;
-    printf("%d\n", b[11]);
-}
-EOF
diff --git a/tests/086.sh b/tests/086.sh
deleted file mode 100644
index 93b1e14..0000000
--- a/tests/086.sh
+++ /dev/null
@@ -1,15 +0,0 @@
-cat <<'EOF' > expected
-105
-0
-EOF
-
-test_diff <<'EOF'
-int printf();
-
-int main() {
-    char* s = "hi";
-    while (*s++) {
-        printf("%d\n", *s);
-    }
-}
-EOF
diff --git a/tests/087.sh b/tests/087.sh
deleted file mode 100644
index 57e7612..0000000
--- a/tests/087.sh
+++ /dev/null
@@ -1,22 +0,0 @@
-cat <<'EOF' > expected
-0
-1
-2
-3
-4
-5
-6
-7
-8
-9
-EOF
-
-test_diff <<'EOF'
-int printf();
-
-int main() {
-    for (int i = 0; i < 10; i++) {
-        printf("%d\n", i);
-    }
-}
-EOF
diff --git a/tests/088.sh b/tests/088.sh
deleted file mode 100644
index 06c88ee..0000000
--- a/tests/088.sh
+++ /dev/null
@@ -1,33 +0,0 @@
-cat <<'EOF' > expected
-0
-1
-2
-3
-4
-0
-1
-2
-3
-4
-43
-42
-EOF
-
-test_diff <<'EOF'
-int printf();
-
-int main() {
-    for (int i = 0; i < 5; i++) {
-        printf("%d\n", i);
-    }
-    for (int i = 0; i < 5; i++) {
-        printf("%d\n", i);
-    }
-    int x = 42;
-    {
-        int x = 43;
-        printf("%d\n", x);
-    }
-    printf("%d\n", x);
-}
-EOF
diff --git a/tests/089.sh b/tests/089.sh
deleted file mode 100644
index e467a26..0000000
--- a/tests/089.sh
+++ /dev/null
@@ -1,23 +0,0 @@
-cat <<'EOF' > expected
-8
-336
-EOF
-test_diff <<'EOF'
-int printf();
-int main() {
-    printf("%d\n", 1 << 3);
-    printf("%d\n", 21 << 4);
-}
-EOF
-
-cat <<'EOF' > expected
-13
-0
-EOF
-test_diff <<'EOF'
-int printf();
-int main() {
-    printf("%d\n", 111 >> 3);
-    printf("%d\n", 15 >> 14);
-}
-EOF
diff --git a/tests/090.sh b/tests/090.sh
deleted file mode 100644
index e5e4df8..0000000
--- a/tests/090.sh
+++ /dev/null
@@ -1,19 +0,0 @@
-cat <<'EOF' > expected
-0 0
-1 1
-2 2
-3 3
-4 4
-EOF
-
-test_diff <<'EOF'
-int printf();
-
-int main() {
-    int i = 1000;
-    int j = 1000;
-    for (i = 0, j = 0; i < 5; i++, j++) {
-        printf("%d %d\n", i, j);
-    }
-}
-EOF
diff --git a/tests/093.sh b/tests/093.sh
deleted file mode 100644
index a22e168..0000000
--- a/tests/093.sh
+++ /dev/null
@@ -1,20 +0,0 @@
-cat <<'EOF' > expected
-42
-246
-221
-EOF
-
-test_diff <<'EOF'
-int printf();
-
-#define A(x) x
-#define B(x) x+x
-#define C(x, y) x*y
-
-int main() {
-    printf("%d\n", A(42));
-    printf("%d\n", B
-    (123));
-    printf("%d\n", C (13, 17));
-}
-EOF
diff --git a/tests/096.sh b/tests/096.sh
deleted file mode 100644
index 7963ed7..0000000
--- a/tests/096.sh
+++ /dev/null
@@ -1,39 +0,0 @@
-cat <<'EOF' > expected
-10 20
-100 300 500
-EOF
-
-test_diff <<'EOF'
-int printf();
-in\
-t ma\
-in() {
-    int x = 1\
-0;
-
-    int y = 2\
-\
-\
-0;
-
-#def\
-ine X 100
-#define Y 100 + \
-200
-#define Z /*
-*/ 500
-    // comment \
-    x *= 100, y *= 200;
-    /* comment *\
-/
-
-    printf("%d %d\n", x, y);
-    printf("%d %d %d\n", X, Y, Z);
-}
-EOF
-
-cat <<'EOF' > expected
-main.c:1: <new-line> expected, but got <eof>
-EOF
-
-echo -n 'int main() {}\' | test_compile_error
diff --git a/tests/097.sh b/tests/097.sh
deleted file mode 100644
index c5b8d0d..0000000
--- a/tests/097.sh
+++ /dev/null
@@ -1,18 +0,0 @@
-cat <<'EOF' > expected
-1
-EOF
-
-test_diff <<'EOF'
-int printf();
-
-#define A
-#define B
-
-int main() {
-#if defined A && defined(B)
-    printf("1\n");
-#else
-    printf("2\n");
-#endif
-}
-EOF
diff --git a/tests/100.sh b/tests/100.sh
deleted file mode 100644
index 9df8476..0000000
--- a/tests/100.sh
+++ /dev/null
@@ -1,44 +0,0 @@
-cat <<'EOF' > expected
-1
-1
-2
-3
-EOF
-
-test_diff <<'EOF'
-int printf();
-
-int main() {
-#if 1
-    printf("1\n");
-#elif 1
-    printf("2\n");
-#else
-    printf("3\n");
-#endif
-
-#if 1
-    printf("1\n");
-#elif 0
-    printf("2\n");
-#else
-    printf("3\n");
-#endif
-
-#if 0
-    printf("1\n");
-#elif 1
-    printf("2\n");
-#else
-    printf("3\n");
-#endif
-
-#if 0
-    printf("1\n");
-#elif 0
-    printf("2\n");
-#else
-    printf("3\n");
-#endif
-}
-EOF
diff --git a/tests/101.sh b/tests/101.sh
deleted file mode 100644
index 338b879..0000000
--- a/tests/101.sh
+++ /dev/null
@@ -1,22 +0,0 @@
-cat <<'EOF' > expected
-main.c:2: expected '#endif', but got '<eof>'
-EOF
-test_compile_error <<'EOF'
-#if 0
-EOF
-
-cat <<'EOF' > expected
-main.c:3: expected '#endif', but got '<eof>'
-EOF
-test_compile_error <<'EOF'
-#if 1
-#else
-EOF
-
-cat <<'EOF' > expected
-main.c:3: expected '#endif', but got '<eof>'
-EOF
-test_compile_error <<'EOF'
-#if 1
-#elif 1
-EOF
diff --git a/tests/104.sh b/tests/104.sh
deleted file mode 100644
index d385e23..0000000
--- a/tests/104.sh
+++ /dev/null
@@ -1,32 +0,0 @@
-cat <<'EOF' > expected
-4
-EOF
-test_diff <<'EOF'
-struct S0;
-typedef struct S0 S0;
-
-struct S1 {
-    int x;
-};
-
-struct S2 {
-    int x;
-};
-
-struct S3 {
-    int x;
-};
-
-struct S4 {
-    int x;
-};
-
-struct S0 {
-    int x;
-};
-
-int printf(const char*, ...);
-int main() {
-    printf("%zu\n", sizeof(S0));
-}
-EOF
diff --git a/tests/108.sh b/tests/108.sh
deleted file mode 100644
index 7dab53b..0000000
--- a/tests/108.sh
+++ /dev/null
@@ -1,26 +0,0 @@
-cat <<'EOF' > expected
-123
-EOF
-test_diff <<'EOF'
-#define A(x) x
-
-int printf();
-
-int main() {
-    printf("%d\n", A ( 123 ));
-}
-EOF
-
-cat <<'EOF' > expected
-main.c:4: expected ')', but got '<new-line>'
-EOF
-test_compile_error <<'EOF'
-#define A(x) x
-
-int main() {
-#if A (
-       123) < A(345)
-    printf("1\n");
-#endif
-}
-EOF
diff --git a/tests/110.sh b/tests/110.sh
deleted file mode 100644
index 4d48752..0000000
--- a/tests/110.sh
+++ /dev/null
@@ -1,15 +0,0 @@
-cat <<'EOF' > expected
-main.c:1: cannot open include file: "hoge.h"
-EOF
-
-test_compile_error <<'EOF'
-#include "hoge.h"
-EOF
-
-cat <<'EOF' > expected
-main.c:1: cannot resolve include file name: <hoge.h>
-EOF
-
-test_compile_error <<'EOF'
-#include <hoge.h>
-EOF
diff --git a/tests/112.sh b/tests/112.sh
deleted file mode 100644
index c56e0d6..0000000
--- a/tests/112.sh
+++ /dev/null
@@ -1,35 +0,0 @@
-cat <<'EOF' > expected
-42
-100 200
-300
-0
-1 2 3
-15
-42
-123
-879
-EOF
-
-test_diff <<'EOF'
-int printf();
-
-#define ADD(a, b) ((a) + (b))
-#define PRINT_TWO(x, y) printf("%d %d\n", x, y)
-#define MAX(a, b) ((a) > (b) ? (a) : (b))
-#define NESTED(x) (x)
-#define CONCAT3(a, b, c) a ## b ## c
-
-int main() {
-    printf("%d\n", ADD(40, 2));
-    PRINT_TWO(100, 200);
-    printf("%d\n", MAX(100 + 200, 250));
-    printf("%d\n");
-    NESTED((printf("1 "), printf("2 "), printf("3\n"), 0));
-
-    int x = 5, y = 10;
-    printf("%d\n", ADD(x + 2, y - 2));
-    printf("%d\n", ADD(MAX(10, 20), MAX(15 + 5, 22)));
-    printf("%d\n", ADD(  100  ,  23  ));
-    printf("%d\n", ADD(NESTED((100 + 200)), MAX((123 + 456), (111 + 222))));
-}
-EOF
diff --git a/tests/114.sh b/tests/114.sh
deleted file mode 100644
index 1ba1e8a..0000000
--- a/tests/114.sh
+++ /dev/null
@@ -1,26 +0,0 @@
-cat <<'EOF' > expected
-1
-7
-6
-4
-3 2 3 0
-EOF
-test_diff <<'EOF'
-int printf();
-
-int main() {
-    int a = 5;
-    int b = 3;
-
-    printf("%d\n", a & b);
-    printf("%d\n", a | b);
-    printf("%d\n", a ^ b);
-    printf("%d\n", 2 + 3 & 4);
-
-    int c = 1 + 2 & 3;
-    int d = 4 & 5 ^ 6;
-    int e = 1 ^ 2 | 3;
-    int f = 0 | 1 & 2;
-    printf("%d %d %d %d\n", c, d, e, f);
-}
-EOF
diff --git a/tests/117.sh b/tests/117.sh
deleted file mode 100644
index 765dc58..0000000
--- a/tests/117.sh
+++ /dev/null
@@ -1,31 +0,0 @@
-cat <<'EOF' > expected
-8
-4
-4
-EOF
-
-test_diff <<'EOF'
-int printf();
-
-typedef struct {
-    int x;
-    int y;
-} S;
-
-typedef union {
-    int a;
-    char b;
-} U;
-
-typedef enum {
-    RED,
-    GREEN,
-    BLUE
-} E;
-
-int main() {
-    printf("%zu\n", sizeof(S));
-    printf("%zu\n", sizeof(U));
-    printf("%zu\n", sizeof(E));
-}
-EOF
diff --git a/tests/118.sh b/tests/118.sh
deleted file mode 100644
index 48a8569..0000000
--- a/tests/118.sh
+++ /dev/null
@@ -1,19 +0,0 @@
-cat <<'EOF' > expected
-400
-80
-16
-EOF
-
-test_diff <<'EOF'
-int printf();
-
-int main() {
-    int a[10 * 10];
-    int b[10 + 10];
-    int c[1 << 2];
-
-    printf("%zu\n", sizeof(a));
-    printf("%zu\n", sizeof(b));
-    printf("%zu\n", sizeof(c));
-}
-EOF
diff --git a/tests/120.sh b/tests/120.sh
deleted file mode 100644
index b3724cd..0000000
--- a/tests/120.sh
+++ /dev/null
@@ -1,21 +0,0 @@
-cat <<'EOF' > expected
-42
-123
-EOF
-test_diff <<'EOF'
-int printf(const char*, ...);
-
-int main() {
-    // TODO: check if "foo" is expanded to "foo" or not once '#' operator is implemented.
-#define foo foo
-    int foo = 42;
-    printf("%d\n", foo);
-
-    // TODO: check if "a" is expanded to "a" or not once '#' operator is implemented.
-#define a b
-#define b c
-#define c a
-    int a = 123;
-    printf("%d\n", a);
-}
-EOF
diff --git a/tests/all.sh b/tests/all.sh
index cb5df2b..a5c6df8 100644
--- a/tests/all.sh
+++ b/tests/all.sh
@@ -8,7 +8,7 @@ for filename in tests/*.sh; do
     testcase="${testcase_/%.sh/}"
     test_file="tests/$testcase.sh"
     case "$testcase" in
-        all|run|test_*)
+        all|run|helpers)
             ;;
         *)
             source tests/run.sh "$testcase"
diff --git a/tests/test_helpers.sh b/tests/helpers.sh
index eaccd5c..eaccd5c 100644
--- a/tests/test_helpers.sh
+++ b/tests/helpers.sh
diff --git a/tests/run.sh b/tests/run.sh
index 728af52..1003e87 100644
--- a/tests/run.sh
+++ b/tests/run.sh
@@ -12,7 +12,7 @@ if [[ ! -f "$test_file" ]]; then
     exit 1
 fi
 
-source tests/test_helpers.sh
+source tests/helpers.sh
 
 echo "$test_file"
 mkdir -p "$tmp_dir"
diff --git a/tests/test_arithmetic_operators.sh b/tests/test_arithmetic_operators.sh
new file mode 100644
index 0000000..50cb1ec
--- /dev/null
+++ b/tests/test_arithmetic_operators.sh
@@ -0,0 +1,30 @@
+test_exit_code 42 <<'EOF'
+int main() {
+    return 42;
+}
+EOF
+
+test_exit_code 21 <<'EOF'
+int main() {
+    return 5+20-4;
+}
+EOF
+
+test_exit_code 26 <<'EOF'
+int main() {
+    return 2*3+4*5;
+}
+EOF
+
+test_exit_code 197 <<'EOF'
+int main() {
+    return (((3+5)/2) + (5*(9-6)) * (5+6*7)) % 256;
+}
+EOF
+
+test_exit_code 30 <<'EOF'
+int main() {
+    return (-10 + 20 * -3) + 100;
+}
+EOF
+
diff --git a/tests/test_array_basics.sh b/tests/test_array_basics.sh
new file mode 100644
index 0000000..75bb244
--- /dev/null
+++ b/tests/test_array_basics.sh
@@ -0,0 +1,163 @@
+cat <<'EOF' > expected
+42
+EOF
+test_diff <<'EOF'
+int printf();
+void* calloc();
+
+int main() {
+    int b;
+    int* a = &b;
+    a[0] = 42;
+    printf("%d\n", *a);
+    return 0;
+}
+EOF
+
+cat <<'EOF' > expected
+0 0
+1 1
+2 2
+3 3
+4 4
+5 5
+6 6
+7 7
+8 8
+9 9
+EOF
+test_diff <<'EOF'
+int printf();
+void* calloc();
+
+int main() {
+    long* a = calloc(10, sizeof(long));
+    long i = 0;
+    for (i = 0; i < 10; i = i + 1) {
+        a[i] = i;
+    }
+    for (i = 0; i < 10; i = i + 1) {
+        printf("%d %d\n", *(a + i), a[i]);
+    }
+    return 0;
+}
+EOF
+
+cat <<'EOF' > expected
+65
+65
+66
+67
+68
+EOF
+test_diff <<'EOF'
+void* calloc();
+int printf();
+
+int main() {
+    char* source = calloc(4, sizeof(char));
+
+    source[0] = 'A';
+    source[1] = 'B';
+    source[2] = 'C';
+    source[3] = 'D';
+
+    int a = source[0];
+
+    printf("%d\n", a);
+    printf("%d\n", source[0]);
+    printf("%d\n", source[1]);
+    printf("%d\n", source[2]);
+    printf("%d\n", source[3]);
+
+    return 0;
+}
+EOF
+
+cat <<'EOF' > expected
+0
+1
+4
+9
+16
+25
+36
+49
+64
+81
+EOF
+
+test_diff <<'EOF'
+int printf();
+
+int main() {
+    int i;
+    int a[10];
+    for (i = 0; i < 10; ++i) {
+        a[i] = i * i;
+    }
+    for (i = 0; i < 10; ++i) {
+        printf("%d\n", a[i]);
+    }
+}
+EOF
+
+cat <<'EOF' > expected
+0
+42
+48
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+123
+EOF
+
+test_diff <<'EOF'
+int printf();
+
+int a;
+int b[12];
+
+int main() {
+    printf("%d\n", a);
+    a = 42;
+    printf("%d\n", a);
+    printf("%zu\n", sizeof(b));
+    int i;
+    for (i = 0; i < 12; ++i) {
+        printf("%d\n", b[i]);
+    }
+    b[11] = 123;
+    printf("%d\n", b[11]);
+}
+EOF
+
+cat <<'EOF' > expected
+400
+80
+16
+EOF
+
+test_diff <<'EOF'
+int printf();
+
+int main() {
+    int a[10 * 10];
+    int b[10 + 10];
+    int c[1 << 2];
+
+    printf("%zu\n", sizeof(a));
+    printf("%zu\n", sizeof(b));
+    printf("%zu\n", sizeof(c));
+}
+EOF
+
diff --git a/tests/041.sh b/tests/test_assignment_operators.sh
index a867cac..c1cce28 100644
--- a/tests/041.sh
+++ b/tests/test_assignment_operators.sh
@@ -46,3 +46,4 @@ int main() {
     return 0;
 }
 EOF
+
diff --git a/tests/test_bitwise_operators.sh b/tests/test_bitwise_operators.sh
new file mode 100644
index 0000000..90f553a
--- /dev/null
+++ b/tests/test_bitwise_operators.sh
@@ -0,0 +1,65 @@
+cat <<'EOF' > expected
+123
+460
+EOF
+
+test_diff <<'EOF'
+int printf();
+
+int main() {
+    printf("%d\n", 0 | 123);
+    printf("%d\n", 12 | 456);
+}
+EOF
+
+cat <<'EOF' > expected
+8
+336
+EOF
+test_diff <<'EOF'
+int printf();
+int main() {
+    printf("%d\n", 1 << 3);
+    printf("%d\n", 21 << 4);
+}
+EOF
+
+cat <<'EOF' > expected
+13
+0
+EOF
+test_diff <<'EOF'
+int printf();
+int main() {
+    printf("%d\n", 111 >> 3);
+    printf("%d\n", 15 >> 14);
+}
+EOF
+
+cat <<'EOF' > expected
+1
+7
+6
+4
+3 2 3 0
+EOF
+test_diff <<'EOF'
+int printf();
+
+int main() {
+    int a = 5;
+    int b = 3;
+
+    printf("%d\n", a & b);
+    printf("%d\n", a | b);
+    printf("%d\n", a ^ b);
+    printf("%d\n", 2 + 3 & 4);
+
+    int c = 1 + 2 & 3;
+    int d = 4 & 5 ^ 6;
+    int e = 1 ^ 2 | 3;
+    int f = 0 | 1 & 2;
+    printf("%d %d %d %d\n", c, d, e, f);
+}
+EOF
+
diff --git a/tests/119.sh b/tests/test_bool_type.sh
index be485cf..16087bf 100644
--- a/tests/119.sh
+++ b/tests/test_bool_type.sh
@@ -11,3 +11,4 @@ int main() {
     printf("%d,%d,%d\n", sizeof(b1), sizeof(b0), sizeof(bool));
 }
 EOF
+
diff --git a/tests/053.sh b/tests/test_char_literals.sh
index f97a17d..3d1bff3 100644
--- a/tests/053.sh
+++ b/tests/test_char_literals.sh
@@ -1,4 +1,20 @@
 cat <<'EOF' > expected
+97 48
+92 39
+10
+EOF
+test_diff <<'EOF'
+int printf();
+
+int main() {
+    printf("%d %d\n", 'a', '0');
+    printf("%d %d\n", '\\', '\'');
+    printf("%d\n", '\n');
+    return 0;
+}
+EOF
+
+cat <<'EOF' > expected
 39
 34
 63
@@ -29,3 +45,15 @@ int main() {
     return 0;
 }
 EOF
+
+cat <<'EOF' > expected
+0
+EOF
+test_diff <<'EOF'
+int printf();
+
+int main() {
+    printf("%d\n", '\0');
+}
+EOF
+
diff --git a/tests/095.sh b/tests/test_comma_operator.sh
index 5d274d0..7c53845 100644
--- a/tests/095.sh
+++ b/tests/test_comma_operator.sh
@@ -1,4 +1,24 @@
 cat <<'EOF' > expected
+0 0
+1 1
+2 2
+3 3
+4 4
+EOF
+
+test_diff <<'EOF'
+int printf();
+
+int main() {
+    int i = 1000;
+    int j = 1000;
+    for (i = 0, j = 0; i < 5; i++, j++) {
+        printf("%d %d\n", i, j);
+    }
+}
+EOF
+
+cat <<'EOF' > expected
 1 2 3 4
 0 0 5
 EOF
@@ -14,3 +34,4 @@ int main() {
     printf("%d %d %d\n", x, y, z);
 }
 EOF
+
diff --git a/tests/048.sh b/tests/test_command_line_args.sh
index 7286815..094b36c 100644
--- a/tests/048.sh
+++ b/tests/test_command_line_args.sh
@@ -16,3 +16,4 @@ int main(int argc, char** argv) {
     return 0;
 }
 EOF
+
diff --git a/tests/052.sh b/tests/test_comments.sh
index 73bcd5d..7a43832 100644
--- a/tests/052.sh
+++ b/tests/test_comments.sh
@@ -7,3 +7,19 @@ int main() {
     return 0;
 }
 EOF
+
+cat <<'EOF' > expected
+EOF
+
+test_diff <<'EOF'
+/* lorem ipsum */
+/*
+lorem ipsum
+*/
+// /*
+/* /*
+ */
+int/**/main() {
+}
+EOF
+
diff --git a/tests/006.sh b/tests/test_comparison_operators.sh
index ee88013..3b6d827 100644
--- a/tests/006.sh
+++ b/tests/test_comparison_operators.sh
@@ -45,3 +45,4 @@ int main() {
     return 123 < 123;
 }
 EOF
+
diff --git a/tests/059.sh b/tests/test_compile_errors.sh
index b478b14..23bf394 100644
--- a/tests/059.sh
+++ b/tests/test_compile_errors.sh
@@ -1,3 +1,12 @@
+cat <<'EOF' > expected
+undefined function: f
+EOF
+test_compile_error <<'EOF'
+int main() {
+    f();
+}
+EOF
+
 # TODO: improve error message
 # cat <<'EOF' > expected
 # main.c:1: expected ';' or '{', but got '}'
@@ -21,3 +30,4 @@ EOF
 test_compile_error <<'EOF'
 int main() 123
 EOF
+
diff --git a/tests/098.sh b/tests/test_compiler_output.sh
index 33c4f17..6993c36 100644
--- a/tests/098.sh
+++ b/tests/test_compiler_output.sh
@@ -14,3 +14,4 @@ if [[ $exit_code -ne 0 ]]; then
     echo "invalid exit code: $exit_code" >&2
     exit 1
 fi
+
diff --git a/tests/111.sh b/tests/test_compiler_version.sh
index 5b21831..1e22718 100644
--- a/tests/111.sh
+++ b/tests/test_compiler_version.sh
@@ -4,3 +4,4 @@ if [[ "$("$ducc" --version)" != "$expected" ]]; then
     echo "invalid output" >&2
     exit 1
 fi
+
diff --git a/tests/106.sh b/tests/test_conditional_errors.sh
index 2a61a33..5a33e8c 100644
--- a/tests/106.sh
+++ b/tests/test_conditional_errors.sh
@@ -1,4 +1,27 @@
 cat <<'EOF' > expected
+main.c:2: expected '#endif', but got '<eof>'
+EOF
+test_compile_error <<'EOF'
+#if 0
+EOF
+
+cat <<'EOF' > expected
+main.c:3: expected '#endif', but got '<eof>'
+EOF
+test_compile_error <<'EOF'
+#if 1
+#else
+EOF
+
+cat <<'EOF' > expected
+main.c:3: expected '#endif', but got '<eof>'
+EOF
+test_compile_error <<'EOF'
+#if 1
+#elif 1
+EOF
+
+cat <<'EOF' > expected
 main.c:1: unexpected '#elif'; no corresponding '#if'*
 EOF
 test_compile_error <<'EOF'
@@ -48,3 +71,4 @@ test_compile_error <<'EOF'
 
 int main() {}
 EOF
+
diff --git a/tests/test_define_macros.sh b/tests/test_define_macros.sh
new file mode 100644
index 0000000..1b674f1
--- /dev/null
+++ b/tests/test_define_macros.sh
@@ -0,0 +1,92 @@
+cat <<'EOF' > expected
+EOF
+test_diff <<'EOF'
+#define A 1
+int main() {
+    return 0;
+}
+EOF
+
+cat <<'EOF' > expected
+1,2,3
+EOF
+test_diff <<'EOF'
+int printf();
+
+#define A 1
+#define B 2
+#define C 3
+
+int main() {
+    printf("%d,%d,%d\n", A, B, C);
+    return 0;
+}
+EOF
+
+cat <<'EOF' > expected
+0,0,0,0
+EOF
+test_diff <<'EOF'
+int printf();
+
+#define NULL 0
+#define TK_EOF        0
+#define TY_UNKNOWN 0
+#define AST_UNKNOWN       0
+
+int main() {
+    printf("%d,%d,%d,%d\n", NULL, TK_EOF, TY_UNKNOWN, AST_UNKNOWN);
+    return 0;
+}
+EOF
+
+cat <<'EOF' > expected
+42,123
+EOF
+test_diff <<'EOF'
+int printf();
+
+#define A foo_a
+#define B foo_b
+
+int main() {
+    int foo_a = 42;
+    int foo_b = 123;
+
+    printf("%d,%d\n", A, B);
+
+    return 0;
+}
+EOF
+
+cat <<'EOF' > expected
+123
+EOF
+
+test_diff <<'EOF'
+#define foo() 123
+
+int printf();
+
+int main() {
+    printf("%d\n", foo());
+}
+EOF
+
+cat <<'EOF' > expected
+579
+975
+EOF
+
+test_diff <<'EOF'
+#define foo 123 + 456
+#define bar() 321 + 654
+
+int printf();
+
+int main() {
+    printf("%d\n", foo);
+    printf("%d\n", bar());
+}
+EOF
+
diff --git a/tests/047.sh b/tests/test_do_while.sh
index 57d0d8f..dbb4815 100644
--- a/tests/047.sh
+++ b/tests/test_do_while.sh
@@ -89,3 +89,4 @@ int main() {
     return 0;
 }
 EOF
+
diff --git a/tests/099.sh b/tests/test_empty_preprocessor.sh
index 5a744a8..57e33ad 100644
--- a/tests/099.sh
+++ b/tests/test_empty_preprocessor.sh
@@ -7,3 +7,4 @@ test_diff <<'EOF'
 #
 int main() {}
 EOF
+
diff --git a/tests/065.sh b/tests/test_empty_statements.sh
index 8588944..71caed5 100644
--- a/tests/065.sh
+++ b/tests/test_empty_statements.sh
@@ -4,3 +4,4 @@ EOF
 test_diff <<'EOF'
 int main() { ; }
 EOF
+
diff --git a/tests/113.sh b/tests/test_enums.sh
index 94e6e5f..228786a 100644
--- a/tests/113.sh
+++ b/tests/test_enums.sh
@@ -1,4 +1,25 @@
 cat <<'EOF' > expected
+4
+0,1,2
+EOF
+test_diff <<'EOF'
+int printf();
+
+enum E {
+    A,
+    B,
+    C,
+};
+
+int main() {
+    enum E x = A;
+    printf("%d\n", sizeof(enum E));
+    printf("%d,%d,%d\n", A, B, C);
+    return 0;
+}
+EOF
+
+cat <<'EOF' > expected
 10,11,20,21
 0,5,6
 EOF
@@ -24,3 +45,4 @@ int main() {
     printf("%d,%d,%d\n", E, F, G);
 }
 EOF
+
diff --git a/tests/103.sh b/tests/test_error_directive.sh
index becfa50..a8b3fdb 100644
--- a/tests/103.sh
+++ b/tests/test_error_directive.sh
@@ -24,3 +24,4 @@ test_compile_error <<'EOF'
 
 #error "foo"
 EOF
+
diff --git a/tests/020.sh b/tests/test_example_programs.sh
index abc3f8e..21b7ca4 100644
--- a/tests/020.sh
+++ b/tests/test_example_programs.sh
@@ -119,3 +119,15 @@ int main() {
     return 0;
 }
 EOF
+
+cat <<'EOF' > expected
+hello, world
+EOF
+test_diff <<'EOF'
+int printf();
+int main() {
+    printf("hello, world\n");
+    return 0;
+}
+EOF
+
diff --git a/tests/049.sh b/tests/test_file_io.sh
index 4484324..07a335e 100644
--- a/tests/049.sh
+++ b/tests/test_file_io.sh
@@ -28,3 +28,4 @@ int main() {
     return 0;
 }
 EOF
+
diff --git a/tests/test_for_loops.sh b/tests/test_for_loops.sh
new file mode 100644
index 0000000..2e3205f
--- /dev/null
+++ b/tests/test_for_loops.sh
@@ -0,0 +1,141 @@
+test_exit_code 45 <<'EOF'
+int main() {
+    int i;
+    int ret;
+    i = 0;
+    ret = 0;
+    for (i = 0; i < 10; i = i + 1) {
+        ret = ret + i;
+    }
+    return ret;
+}
+EOF
+
+test_exit_code 25 <<'EOF'
+int main() {
+    int i;
+    int ret;
+    i = 0;
+    ret = 0;
+    for (i = 0; i < 10; i = i + 1) {
+        if (i % 2 == 0) {
+            continue;
+        }
+        ret = ret + i;
+    }
+    return ret;
+}
+EOF
+
+test_exit_code 66 <<'EOF'
+int main() {
+    int i;
+    int ret;
+    i = 0;
+    ret = 0;
+    for (i = 0; i < 100; i = i + 1) {
+        if (i == 12) {
+            break;
+        }
+        ret = ret + i;
+    }
+    return ret;
+}
+EOF
+
+cat <<'EOF' > expected
+0
+1
+2
+3
+4
+10
+11
+12
+13
+14
+20
+21
+22
+23
+24
+25
+EOF
+test_diff <<'EOF'
+int printf();
+
+int main() {
+    int i = 0;
+    for (; i < 5; i = i + 1) {
+        printf("%d\n", i);
+    }
+    for (i = 10; i < 15; ) {
+        printf("%d\n", i);
+        i = i + 1;
+    }
+    for (i = 20; ; i = i + 1) {
+        printf("%d\n", i);
+        if (i == 25) break;
+    }
+
+    return 0;
+}
+EOF
+
+cat <<'EOF' > expected
+0
+1
+2
+3
+4
+5
+6
+7
+8
+9
+EOF
+
+test_diff <<'EOF'
+int printf();
+
+int main() {
+    for (int i = 0; i < 10; i++) {
+        printf("%d\n", i);
+    }
+}
+EOF
+
+cat <<'EOF' > expected
+0
+1
+2
+3
+4
+0
+1
+2
+3
+4
+43
+42
+EOF
+
+test_diff <<'EOF'
+int printf();
+
+int main() {
+    for (int i = 0; i < 5; i++) {
+        printf("%d\n", i);
+    }
+    for (int i = 0; i < 5; i++) {
+        printf("%d\n", i);
+    }
+    int x = 42;
+    {
+        int x = 43;
+        printf("%d\n", x);
+    }
+    printf("%d\n", x);
+}
+EOF
+
diff --git a/tests/015.sh b/tests/test_function_basics.sh
index e1964b8..eb99cf5 100644
--- a/tests/015.sh
+++ b/tests/test_function_basics.sh
@@ -1,3 +1,23 @@
+test_exit_code 66 <<'EOF'
+int foo() {
+    int i;
+    int ret;
+    i = 0;
+    ret = 0;
+    for (i = 0; i < 100; i = i + 1) {
+        if (i == 12) {
+            break;
+        }
+        ret = ret + i;
+    }
+    return ret;
+}
+
+int main() {
+    return foo();
+}
+EOF
+
 test_exit_code 10 <<'EOF'
 int f(int a, int b, int c, int d, int e, int f) {
     return a;
@@ -57,3 +77,11 @@ int main() {
     return 10 * f(1, 2, 3, 4, 5, 6);
 }
 EOF
+
+touch expected
+test_diff <<'EOF'
+int main() {
+    return 0;
+}
+EOF
+
diff --git a/tests/test_function_macros.sh b/tests/test_function_macros.sh
new file mode 100644
index 0000000..4bc0cc2
--- /dev/null
+++ b/tests/test_function_macros.sh
@@ -0,0 +1,106 @@
+cat <<'EOF' > expected
+42
+246
+221
+EOF
+
+test_diff <<'EOF'
+int printf();
+
+#define A(x) x
+#define B(x) x+x
+#define C(x, y) x*y
+
+int main() {
+    printf("%d\n", A(42));
+    printf("%d\n", B
+    (123));
+    printf("%d\n", C (13, 17));
+}
+EOF
+
+cat <<'EOF' > expected
+123
+EOF
+test_diff <<'EOF'
+#define A(x) x
+
+int printf();
+
+int main() {
+    printf("%d\n", A ( 123 ));
+}
+EOF
+
+cat <<'EOF' > expected
+main.c:4: expected ')', but got '<new-line>'
+EOF
+test_compile_error <<'EOF'
+#define A(x) x
+
+int main() {
+#if A (
+       123) < A(345)
+    printf("1\n");
+#endif
+}
+EOF
+
+cat <<'EOF' > expected
+42
+100 200
+300
+0
+1 2 3
+15
+42
+123
+879
+EOF
+
+test_diff <<'EOF'
+int printf();
+
+#define ADD(a, b) ((a) + (b))
+#define PRINT_TWO(x, y) printf("%d %d\n", x, y)
+#define MAX(a, b) ((a) > (b) ? (a) : (b))
+#define NESTED(x) (x)
+#define CONCAT3(a, b, c) a ## b ## c
+
+int main() {
+    printf("%d\n", ADD(40, 2));
+    PRINT_TWO(100, 200);
+    printf("%d\n", MAX(100 + 200, 250));
+    printf("%d\n");
+    NESTED((printf("1 "), printf("2 "), printf("3\n"), 0));
+
+    int x = 5, y = 10;
+    printf("%d\n", ADD(x + 2, y - 2));
+    printf("%d\n", ADD(MAX(10, 20), MAX(15 + 5, 22)));
+    printf("%d\n", ADD(  100  ,  23  ));
+    printf("%d\n", ADD(NESTED((100 + 200)), MAX((123 + 456), (111 + 222))));
+}
+EOF
+
+cat <<'EOF' > expected
+42
+123
+EOF
+test_diff <<'EOF'
+int printf(const char*, ...);
+
+int main() {
+    // TODO: check if "foo" is expanded to "foo" or not once '#' operator is implemented.
+#define foo foo
+    int foo = 42;
+    printf("%d\n", foo);
+
+    // TODO: check if "a" is expanded to "a" or not once '#' operator is implemented.
+#define a b
+#define b c
+#define c a
+    int a = 123;
+    printf("%d\n", a);
+}
+EOF
+
diff --git a/tests/092.sh b/tests/test_global_variables.sh
index 20c3a1f..b4eef09 100644
--- a/tests/092.sh
+++ b/tests/test_global_variables.sh
@@ -13,3 +13,4 @@ int main() {
     printf("%d %d %d\n", a, b, c);
 }
 EOF
+
diff --git a/tests/043.sh b/tests/test_identifiers.sh
index ae00bd3..5786ff7 100644
--- a/tests/043.sh
+++ b/tests/test_identifiers.sh
@@ -13,3 +13,4 @@ int main() {
     return 0;
 }
 EOF
+
diff --git a/tests/102.sh b/tests/test_if_elif_else.sh
index b323893..a07dd5c 100644
--- a/tests/102.sh
+++ b/tests/test_if_elif_else.sh
@@ -1,5 +1,69 @@
 cat <<'EOF' > expected
 1
+EOF
+
+test_diff <<'EOF'
+int printf();
+
+#define A
+#define B
+
+int main() {
+#if defined A && defined(B)
+    printf("1\n");
+#else
+    printf("2\n");
+#endif
+}
+EOF
+
+cat <<'EOF' > expected
+1
+1
+2
+3
+EOF
+
+test_diff <<'EOF'
+int printf();
+
+int main() {
+#if 1
+    printf("1\n");
+#elif 1
+    printf("2\n");
+#else
+    printf("3\n");
+#endif
+
+#if 1
+    printf("1\n");
+#elif 0
+    printf("2\n");
+#else
+    printf("3\n");
+#endif
+
+#if 0
+    printf("1\n");
+#elif 1
+    printf("2\n");
+#else
+    printf("3\n");
+#endif
+
+#if 0
+    printf("1\n");
+#elif 0
+    printf("2\n");
+#else
+    printf("3\n");
+#endif
+}
+EOF
+
+cat <<'EOF' > expected
+1
 1
 2
 2
@@ -126,3 +190,4 @@ int main() {
 #endif
 }
 EOF
+
diff --git a/tests/010.sh b/tests/test_if_else.sh
index 4ddf39c..cad1716 100644
--- a/tests/010.sh
+++ b/tests/test_if_else.sh
@@ -17,3 +17,4 @@ int main() {
     }
 }
 EOF
+
diff --git a/tests/078.sh b/tests/test_ifdef_ifndef.sh
index a9ac190..f59b87b 100644
--- a/tests/078.sh
+++ b/tests/test_ifdef_ifndef.sh
@@ -11,6 +11,43 @@ int printf();
 
 int main() {
 
+#ifdef __ducc__
+    printf("__ducc__ is defined.\n");
+#else
+    printf("__ducc__ is undefined.\n");
+#endif
+
+#ifdef A
+    printf("A is defined.\n");
+#else
+    printf("A is undefined.\n");
+#endif
+
+#ifdef B
+    printf("B is defined.\n");
+#else
+    printf("B is undefined.\n");
+#endif
+
+#define B 456
+
+    return 0;
+}
+EOF
+
+cat <<'EOF' > expected
+__ducc__ is defined.
+A is defined.
+B is undefined.
+EOF
+
+test_diff <<'EOF'
+int printf();
+
+#define A 123
+
+int main() {
+
 #ifndef __ducc__
     printf("__ducc__ is undefined.\n");
 #else
@@ -34,3 +71,4 @@ int main() {
     return 0;
 }
 EOF
+
diff --git a/tests/064.sh b/tests/test_implicit_return.sh
index 20a8bed..423844e 100644
--- a/tests/064.sh
+++ b/tests/test_implicit_return.sh
@@ -16,3 +16,4 @@ int main() {
     else return 1;
 }
 EOF
+
diff --git a/tests/test_include_errors.sh b/tests/test_include_errors.sh
new file mode 100644
index 0000000..3ac546f
--- /dev/null
+++ b/tests/test_include_errors.sh
@@ -0,0 +1,52 @@
+cat <<'EOF' > expected
+main.c:1: cannot open include file: "nonexistent.h"
+EOF
+
+test_compile_error <<'EOF'
+#include "nonexistent.h"
+
+int main() {
+    return 0;
+}
+EOF
+
+cat <<'EOF' > expected
+include depth limit exceeded
+EOF
+
+# Create circular include files
+cat <<'EOF' > a.h
+#include "b.h"
+int a() { return 1; }
+EOF
+
+cat <<'EOF' > b.h
+#include "a.h"
+int b() { return 2; }
+EOF
+
+test_compile_error <<'EOF'
+#include "a.h"
+
+int main() {
+    a() + b();
+    return 0;
+}
+EOF
+
+cat <<'EOF' > expected
+main.c:1: cannot open include file: "hoge.h"
+EOF
+
+test_compile_error <<'EOF'
+#include "hoge.h"
+EOF
+
+cat <<'EOF' > expected
+main.c:1: cannot resolve include file name: <hoge.h>
+EOF
+
+test_compile_error <<'EOF'
+#include <hoge.h>
+EOF
+
diff --git a/tests/079.sh b/tests/test_include_guards.sh
index f8f0462..87c44a9 100644
--- a/tests/079.sh
+++ b/tests/test_include_guards.sh
@@ -23,3 +23,4 @@ int main() {
     return 0;
 }
 EOF
+
diff --git a/tests/055.sh b/tests/test_include_local.sh
index 997f12b..c9fe755 100644
--- a/tests/055.sh
+++ b/tests/test_include_local.sh
@@ -49,3 +49,52 @@ int main() {
     printf("%d\n", A);
 }
 EOF
+
+cat <<'EOF' > expected
+12
+EOF
+
+cat <<'EOF' > math.h
+int multiply(int a, int b) {
+    return a * b;
+}
+EOF
+
+cat <<'EOF' > calc.h
+#include "math.h"
+
+int calculate(int x) {
+    return multiply(x, 2);
+}
+
+int printf(const char*, ...);
+EOF
+
+test_diff <<'EOF'
+#include "calc.h"
+
+int main() {
+    printf("%d\n", calculate(6));
+    return 0;
+}
+EOF
+
+cat <<'EOF' > expected
+42
+EOF
+
+cat <<'EOF' > header.h
+#define A 42
+EOF
+
+test_diff <<'EOF'
+#include "header.h"
+
+int printf();
+
+int main() {
+    printf("%d\n", A);
+    return 0;
+}
+EOF
+
diff --git a/tests/080.sh b/tests/test_increment_operators.sh
index e7fb221..f6aa2b5 100644
--- a/tests/080.sh
+++ b/tests/test_increment_operators.sh
@@ -26,3 +26,4 @@ int main() {
     printf("%d\n", a);
 }
 EOF
+
diff --git a/tests/038.sh b/tests/test_input_operations.sh
index 465108e..15dfb2f 100644
--- a/tests/038.sh
+++ b/tests/test_input_operations.sh
@@ -34,3 +34,4 @@ int main() {
     return 0;
 }
 EOF
+
diff --git a/tests/083.sh b/tests/test_invalid_directives.sh
index 2152666..877f9e9 100644
--- a/tests/083.sh
+++ b/tests/test_invalid_directives.sh
@@ -25,3 +25,4 @@ test_diff <<'EOF'
 
 int main() {}
 EOF
+
diff --git a/tests/094.sh b/tests/test_keywords.sh
index ae622bc..1b99b67 100644
--- a/tests/094.sh
+++ b/tests/test_keywords.sh
@@ -6,3 +6,4 @@ test_diff <<'EOF'
 auto printf();
 auto main() {}
 EOF
+
diff --git a/tests/121.sh b/tests/test_line_continuation.sh
index a5ecdb6..c5b5c2e 100644
--- a/tests/121.sh
+++ b/tests/test_line_continuation.sh
@@ -1,4 +1,44 @@
 cat <<'EOF' > expected
+10 20
+100 300 500
+EOF
+
+test_diff <<'EOF'
+int printf();
+in\
+t ma\
+in() {
+    int x = 1\
+0;
+
+    int y = 2\
+\
+\
+0;
+
+#def\
+ine X 100
+#define Y 100 + \
+200
+#define Z /*
+*/ 500
+    // comment \
+    x *= 100, y *= 200;
+    /* comment *\
+/
+
+    printf("%d %d\n", x, y);
+    printf("%d %d %d\n", X, Y, Z);
+}
+EOF
+
+cat <<'EOF' > expected
+main.c:1: <new-line> expected, but got <eof>
+EOF
+
+echo -n 'int main() {}\' | test_compile_error
+
+cat <<'EOF' > expected
 Hello World
 Line continues
 EOF
@@ -14,3 +54,4 @@ test_diff < main_cr.c
 # Mixed
 printf 'int printf(const char*, ...);\nint main() {\r\n    printf("Hello World\\n");\r    printf("Line con\\\r\ntinues\\n");\n    return 0;\r\n}\r\n' > main_mixed.c
 test_diff < main_mixed.c
+
diff --git a/tests/009.sh b/tests/test_local_variables.sh
index 821d330..09c40b9 100644
--- a/tests/009.sh
+++ b/tests/test_local_variables.sh
@@ -1,3 +1,21 @@
+test_exit_code 42 <<'EOF'
+int main() {
+    int foo;
+    foo = 42;
+    return foo;
+}
+EOF
+
+test_exit_code 70 <<'EOF'
+int main() {
+    int foo;
+    int bar;
+    foo = 42;
+    bar = 28;
+    return foo + bar;
+}
+EOF
+
 test_exit_code 45 <<'EOF'
 int main() {
     int a1;
@@ -33,3 +51,17 @@ int main() {
         0;
 }
 EOF
+
+cat <<'EOF' > expected
+42
+EOF
+test_diff <<'EOF'
+int printf();
+
+int main() {
+    int a = 42;
+    printf("%d\n", a);
+    return 0;
+}
+EOF
+
diff --git a/tests/030.sh b/tests/test_logical_operators.sh
index fda5dc8..1cc6594 100644
--- a/tests/030.sh
+++ b/tests/test_logical_operators.sh
@@ -49,3 +49,20 @@ int main() {
     return 0;
 }
 EOF
+
+cat <<'EOF' > expected
+0
+1
+0
+EOF
+test_diff <<'EOF'
+int printf();
+
+int main() {
+    printf("%d\n", !1);
+    printf("%d\n", !0);
+    printf("%d\n", !23);
+    return 0;
+}
+EOF
+
diff --git a/tests/107.sh b/tests/test_macro_operators.sh
index bb0c1a2..daf8f47 100644
--- a/tests/107.sh
+++ b/tests/test_macro_operators.sh
@@ -40,3 +40,4 @@ int main() {
     return 0;
 }
 EOF
+
diff --git a/tests/105.sh b/tests/test_nested_conditionals.sh
index 7c673ab..d149e07 100644
--- a/tests/105.sh
+++ b/tests/test_nested_conditionals.sh
@@ -9,3 +9,4 @@ test_diff <<'EOF'
 
 int main() {}
 EOF
+
diff --git a/tests/test_pointer_basics.sh b/tests/test_pointer_basics.sh
new file mode 100644
index 0000000..2f34821
--- /dev/null
+++ b/tests/test_pointer_basics.sh
@@ -0,0 +1,79 @@
+cat <<'EOF' > expected
+EOF
+test_diff <<'EOF'
+int main() {
+    int a1;
+    int* a2;
+    char a3;
+    char* a4;
+    long a5;
+    long* a6;
+    void* a8;
+    int** a10;
+    char** a12;
+    long** a14;
+    void** a16;
+    int*** a18;
+    char*** a20;
+    long*** a22;
+    void*** a24;
+    return 0;
+}
+EOF
+
+cat <<'EOF' > expected
+42 42
+EOF
+test_diff <<'EOF'
+int printf();
+
+int main() {
+    int x;
+    int* y;
+    y = &x;
+    *y = 42;
+    printf("%d %d\n", x, *y);
+    return 0;
+}
+EOF
+
+cat <<'EOF' > expected
+3
+3
+3
+EOF
+test_diff <<'EOF'
+int printf();
+
+int main() {
+    char c;
+    int i;
+    long l;
+    c = 42;
+    i = 42*2;
+    l = 42*3;
+
+    char* cp1;
+    char* cp2;
+    int* ip1;
+    int* ip2;
+    long* lp1;
+    long* lp2;
+
+    cp1 = &c;
+    cp2 = &c + 3;
+
+    ip1 = &i;
+    ip2 = &i + 3;
+
+    lp1 = &l;
+    lp2 = &l + 3;
+
+    printf("%d\n", cp2 - cp1);
+    printf("%d\n", ip2 - ip1);
+    printf("%d\n", lp2 - lp1);
+
+    return 0;
+}
+EOF
+
diff --git a/tests/test_predefined_macros.sh b/tests/test_predefined_macros.sh
new file mode 100644
index 0000000..51aeca8
--- /dev/null
+++ b/tests/test_predefined_macros.sh
@@ -0,0 +1,55 @@
+cat <<'EOF' > expected
+1
+EOF
+
+test_diff <<'EOF'
+int printf();
+
+int main() {
+    printf("%d\n", __ducc__);
+    return 0;
+}
+EOF
+
+cat <<'EOF' > expected
+main.c
+main.c
+main.c
+EOF
+
+cat <<'EOF' > header.h
+#define A __FILE__
+EOF
+
+test_diff <<'EOF'
+#define B __FILE__
+#include "header.h"
+int printf();
+int main() {
+    printf("%s\n", __FILE__);
+    printf("%s\n", B);
+    printf("%s\n", A);
+}
+EOF
+
+cat <<'EOF' > expected
+5
+6 6
+7 7
+EOF
+
+cat <<'EOF' > header.h
+#define A __LINE__
+EOF
+
+test_diff <<'EOF'
+#define B __LINE__
+#include "header.h"
+int printf();
+int main() {
+    printf("%d\n", __LINE__);
+    printf("%d %d\n", B, B);
+    printf("%d %d\n", A, A);
+}
+EOF
+
diff --git a/tests/109.sh b/tests/test_preprocessor_comments.sh
index 40b2c82..0fcea83 100644
--- a/tests/109.sh
+++ b/tests/test_preprocessor_comments.sh
@@ -8,3 +8,4 @@ test_diff <<'EOF'
 
 int main() {}
 EOF
+
diff --git a/tests/115.sh b/tests/test_printf.sh
index ea7ca0b..da35fcb 100644
--- a/tests/115.sh
+++ b/tests/test_printf.sh
@@ -1,3 +1,37 @@
+touch expected
+test_diff <<'EOF'
+int printf();
+
+int main() {
+    printf("");
+    return 0;
+}
+EOF
+
+cat <<'EOF' > expected
+Hello, World!
+EOF
+test_diff <<'EOF'
+int printf();
+
+int main() {
+    printf("Hello, World!\n");
+    return 0;
+}
+EOF
+
+cat <<'EOF' > expected
+"Hello, World!"
+EOF
+test_diff <<'EOF'
+int printf();
+
+int main() {
+    printf("\"Hello, World!\"\n");
+    return 0;
+}
+EOF
+
 cat <<'EOF' > expected
 1
 1
@@ -183,3 +217,4 @@ int main() {
     printf("%d\n", sizeof(int long long unsigned));
 }
 EOF
+
diff --git a/tests/016.sh b/tests/test_recursive_functions.sh
index 82c433d..f9f0ee5 100644
--- a/tests/016.sh
+++ b/tests/test_recursive_functions.sh
@@ -11,3 +11,4 @@ int main() {
     return fib(10);
 }
 EOF
+
diff --git a/tests/081.sh b/tests/test_short_type.sh
index b298a98..fcbec87 100644
--- a/tests/081.sh
+++ b/tests/test_short_type.sh
@@ -14,3 +14,4 @@ int main() {
     printf("%zu %hd\n", sizeof(b), *b);
 }
 EOF
+
diff --git a/tests/test_sizeof_operator.sh b/tests/test_sizeof_operator.sh
new file mode 100644
index 0000000..b14e2ca
--- /dev/null
+++ b/tests/test_sizeof_operator.sh
@@ -0,0 +1,177 @@
+cat <<'EOF' > expected
+sizeof(int) = 4
+sizeof(int*) = 8
+sizeof(char) = 1
+sizeof(char*) = 8
+sizeof(long) = 8
+sizeof(long*) = 8
+sizeof(void*) = 8
+sizeof(int**) = 8
+sizeof(char**) = 8
+sizeof(long**) = 8
+sizeof(void**) = 8
+sizeof(int***) = 8
+sizeof(char***) = 8
+sizeof(long***) = 8
+sizeof(void***) = 8
+EOF
+test_diff <<'EOF'
+int printf();
+
+int main() {
+    printf("sizeof(int) = %d\n", sizeof(int));
+    printf("sizeof(int*) = %d\n", sizeof(int*));
+    printf("sizeof(char) = %d\n", sizeof(char));
+    printf("sizeof(char*) = %d\n", sizeof(char*));
+    printf("sizeof(long) = %d\n", sizeof(long));
+    printf("sizeof(long*) = %d\n", sizeof(long*));
+    printf("sizeof(void*) = %d\n", sizeof(void*));
+    printf("sizeof(int**) = %d\n", sizeof(int**));
+    printf("sizeof(char**) = %d\n", sizeof(char**));
+    printf("sizeof(long**) = %d\n", sizeof(long**));
+    printf("sizeof(void**) = %d\n", sizeof(void**));
+    printf("sizeof(int***) = %d\n", sizeof(int***));
+    printf("sizeof(char***) = %d\n", sizeof(char***));
+    printf("sizeof(long***) = %d\n", sizeof(long***));
+    printf("sizeof(void***) = %d\n", sizeof(void***));
+    return 0;
+}
+EOF
+
+cat <<'EOF' > expected
+sizeof(struct Token) = 16
+sizeof(struct Define) = 16
+sizeof(struct Type) = 24
+sizeof(struct AstNode) = 128
+sizeof(struct LVar) = 16
+sizeof(struct Func) = 16
+sizeof(struct Parser) = 64
+sizeof(struct CodeGen) = 16
+EOF
+test_diff <<'EOF'
+struct Token {
+    int kind;
+    char* value;
+};
+
+struct Define {
+    char* from;
+    struct Token* to;
+};
+
+struct AstNode;
+
+struct Type {
+    int kind;
+    struct Type* to;
+    struct AstNode* members;
+};
+
+struct AstNode {
+    int kind;
+    struct AstNode* next;
+    struct AstNode* last;
+    char* name;
+    struct AstNode* func_params;
+    struct AstNode* func_body;
+    int int_value;
+    struct AstNode* expr1;
+    struct AstNode* expr2;
+    struct AstNode* expr3;
+    int op;
+    struct Type* ty;
+    int var_index;
+    struct AstNode* node1;
+    struct AstNode* node2;
+    char** str_literals;
+};
+
+struct LVar {
+    char* name;
+    struct Type* ty;
+};
+
+struct Func {
+    char* name;
+    struct Type* ty;
+};
+
+struct Parser {
+    struct Token* tokens;
+    int pos;
+    struct LVar* locals;
+    int n_locals;
+    struct Func* funcs;
+    int n_funcs;
+    char** str_literals;
+    int n_str_literals;
+};
+
+struct CodeGen {
+    int next_label;
+    int* loop_labels;
+};
+
+int printf();
+
+int main() {
+    printf("sizeof(struct Token) = %d\n", sizeof(struct Token));
+    printf("sizeof(struct Define) = %d\n", sizeof(struct Define));
+    printf("sizeof(struct Type) = %d\n", sizeof(struct Type));
+    printf("sizeof(struct AstNode) = %d\n", sizeof(struct AstNode));
+    printf("sizeof(struct LVar) = %d\n", sizeof(struct LVar));
+    printf("sizeof(struct Func) = %d\n", sizeof(struct Func));
+    printf("sizeof(struct Parser) = %d\n", sizeof(struct Parser));
+    printf("sizeof(struct CodeGen) = %d\n", sizeof(struct CodeGen));
+    return 0;
+}
+EOF
+
+cat <<'EOF' > expected
+24
+EOF
+
+test_diff <<'EOF'
+#include <stdarg.h>
+
+int printf();
+
+int main() {
+    printf("%d\n", sizeof(va_list));
+}
+EOF
+
+cat <<'EOF' > expected
+sizeof(a) = 4
+sizeof(b) = 8
+sizeof(c) = 123
+sizeof(d) = 16
+sizeof(e) = 8
+sizeof(f) = 1968
+EOF
+test_diff <<'EOF'
+int printf();
+
+struct S {
+    long x;
+    long y;
+};
+
+int main() {
+    int a;
+    long b;
+    char c[123];
+    struct S d;
+    void* e;
+    struct S f[123];
+
+    printf("sizeof(a) = %d\n", sizeof(a));
+    printf("sizeof(b) = %d\n", sizeof(b));
+    printf("sizeof(c) = %d\n", sizeof(c));
+    printf("sizeof(d) = %d\n", sizeof(d));
+    printf("sizeof(e) = %d\n", sizeof(e));
+    printf("sizeof(f) = %d\n", sizeof(f));
+    return 0;
+}
+EOF
+
diff --git a/tests/045.sh b/tests/test_stdlib_declarations.sh
index efd6a30..c919b88 100644
--- a/tests/045.sh
+++ b/tests/test_stdlib_declarations.sh
@@ -19,3 +19,4 @@ char* strstr(const char*, const char*);
 
 int main() { return 0; }
 EOF
+
diff --git a/tests/test_string_operations.sh b/tests/test_string_operations.sh
new file mode 100644
index 0000000..0c9a07e
--- /dev/null
+++ b/tests/test_string_operations.sh
@@ -0,0 +1,57 @@
+touch expected
+test_diff <<'EOF'
+int main() {
+    "";
+    return 0;
+}
+EOF
+
+touch expected
+test_diff <<'EOF'
+int main() {
+    "abc";
+    return 0;
+}
+EOF
+
+touch expected
+test_diff <<'EOF'
+int main() {
+    "\"foo\"bar\\\n\"";
+    return 0;
+}
+EOF
+
+cat <<'EOF' > expected
+h
+l
+,
+EOF
+
+test_diff <<'EOF'
+int printf();
+
+int main() {
+    char* h = " hello,world" + 1;
+    printf("%c\n", *h);
+    printf("%c\n", h[2]);
+    printf("%c\n", *(h + 5));
+}
+EOF
+
+cat <<'EOF' > expected
+105
+0
+EOF
+
+test_diff <<'EOF'
+int printf();
+
+int main() {
+    char* s = "hi";
+    while (*s++) {
+        printf("%d\n", *s);
+    }
+}
+EOF
+
diff --git a/tests/116.sh b/tests/test_struct_arrays.sh
index 628c0d3..ca1e0b2 100644
--- a/tests/116.sh
+++ b/tests/test_struct_arrays.sh
@@ -31,3 +31,4 @@ int main() {
     printf("%d\n", x.a[4]);
 }
 EOF
+
diff --git a/tests/027.sh b/tests/test_struct_basics.sh
index 167d398..74e2458 100644
--- a/tests/027.sh
+++ b/tests/test_struct_basics.sh
@@ -68,3 +68,54 @@ int main() {
     return 0;
 }
 EOF
+
+cat <<'EOF' > expected
+42
+123
+EOF
+test_diff <<'EOF'
+struct S {
+    int a;
+    int b;
+};
+
+int printf();
+void* calloc();
+
+int main() {
+    struct S* sp;
+    sp = calloc(1, sizeof(struct S));
+    sp->a = 42;
+    printf("%d\n", sp->a);
+    (*sp).b = 123;
+    printf("%d\n", (*sp).b);
+    return 0;
+}
+EOF
+
+cat <<'EOF' > expected
+42
+EOF
+test_diff <<'EOF'
+void* calloc();
+int printf();
+
+struct T;
+
+struct S {
+    struct T* a;
+};
+
+struct T {
+    int b;
+};
+
+int main() {
+    struct S* s = calloc(1, sizeof(struct S));
+    s->a = calloc(1, sizeof(struct T));
+    s->a->b = 42;
+    printf("%d\n", s->a->b);
+    return 0;
+}
+EOF
+
diff --git a/tests/072.sh b/tests/test_struct_initialization.sh
index d82751c..0454c57 100644
--- a/tests/072.sh
+++ b/tests/test_struct_initialization.sh
@@ -1,4 +1,26 @@
 cat <<'EOF' > expected
+0
+1
+EOF
+test_diff <<'EOF'
+int printf();
+void* calloc();
+
+struct S {
+    int a;
+    int b;
+};
+
+int main() {
+    struct S* s = calloc(1, sizeof(struct S));
+    s->b = 1;
+    printf("%ld\n", s->a);
+    printf("%ld\n", s->b);
+    return 0;
+}
+EOF
+
+cat <<'EOF' > expected
 123 456
 0 0
 123 456
@@ -83,3 +105,4 @@ int main() {
     printf("%d %d\n", s2.a, s2.b);
 }
 EOF
+
diff --git a/tests/091.sh b/tests/test_ternary_operator.sh
index a64c8ff..c98ff43 100644
--- a/tests/091.sh
+++ b/tests/test_ternary_operator.sh
@@ -9,3 +9,4 @@ int main() {
     printf("%d %d\n", 1 ? 2 : 3, 0 ? 4 : 5);
 }
 EOF
+
diff --git a/tests/test_typedef_struct.sh b/tests/test_typedef_struct.sh
new file mode 100644
index 0000000..7181a86
--- /dev/null
+++ b/tests/test_typedef_struct.sh
@@ -0,0 +1,85 @@
+cat <<'EOF' > expected
+42
+EOF
+test_diff <<'EOF'
+void* calloc();
+int printf();
+
+struct S {
+    int x;
+};
+typedef struct S S;
+
+int main() {
+    S* s = calloc(1, sizeof(S));
+    s->x = 42;
+    printf("%d\n", s->x);
+    return 0;
+}
+EOF
+
+cat <<'EOF' > expected
+4
+EOF
+test_diff <<'EOF'
+struct S0;
+typedef struct S0 S0;
+
+struct S1 {
+    int x;
+};
+
+struct S2 {
+    int x;
+};
+
+struct S3 {
+    int x;
+};
+
+struct S4 {
+    int x;
+};
+
+struct S0 {
+    int x;
+};
+
+int printf(const char*, ...);
+int main() {
+    printf("%zu\n", sizeof(S0));
+}
+EOF
+
+cat <<'EOF' > expected
+8
+4
+4
+EOF
+
+test_diff <<'EOF'
+int printf();
+
+typedef struct {
+    int x;
+    int y;
+} S;
+
+typedef union {
+    int a;
+    char b;
+} U;
+
+typedef enum {
+    RED,
+    GREEN,
+    BLUE
+} E;
+
+int main() {
+    printf("%zu\n", sizeof(S));
+    printf("%zu\n", sizeof(U));
+    printf("%zu\n", sizeof(E));
+}
+EOF
+
diff --git a/tests/084.sh b/tests/test_undef.sh
index 8b0a900..34c3dad 100644
--- a/tests/084.sh
+++ b/tests/test_undef.sh
@@ -24,3 +24,4 @@ int main() {
 #endif
 }
 EOF
+
diff --git a/tests/082.sh b/tests/test_unions.sh
index d1e87d6..b588792 100644
--- a/tests/082.sh
+++ b/tests/test_unions.sh
@@ -20,3 +20,4 @@ int main() {
     printf("%ld\n", u.l);
 }
 EOF
+
diff --git a/tests/063.sh b/tests/test_variadic_functions.sh
index 4f899ee..ec85d9a 100644
--- a/tests/063.sh
+++ b/tests/test_variadic_functions.sh
@@ -29,3 +29,4 @@ int main() {
     return 0;
 }
 EOF
+
diff --git a/tests/026.sh b/tests/test_void_functions.sh
index 093adf0..57116ce 100644
--- a/tests/026.sh
+++ b/tests/test_void_functions.sh
@@ -1,41 +1,49 @@
 cat <<'EOF' > expected
+123
 EOF
 test_diff <<'EOF'
-#define A 1
+int printf();
+
+void foo_bar(int hoge_piyo) {
+    printf("%d\n", hoge_piyo);
+}
+
 int main() {
+    foo_bar(123);
     return 0;
 }
 EOF
 
 cat <<'EOF' > expected
-1,2,3
 EOF
 test_diff <<'EOF'
-int printf();
+struct S {
+    int a;
+};
+
+struct S* f();
 
-#define A 1
-#define B 2
-#define C 3
+struct S* g() {}
 
 int main() {
-    printf("%d,%d,%d\n", A, B, C);
     return 0;
 }
 EOF
 
 cat <<'EOF' > expected
-0,0,0,0
+hi
 EOF
 test_diff <<'EOF'
 int printf();
 
-#define NULL 0
-#define TK_EOF        0
-#define TY_UNKNOWN 0
-#define AST_UNKNOWN       0
+void f() {
+    printf("hi\n");
+    return;
+}
 
 int main() {
-    printf("%d,%d,%d,%d\n", NULL, TK_EOF, TY_UNKNOWN, AST_UNKNOWN);
+    f();
     return 0;
 }
 EOF
+