refactor: organize test files

1 files changed, 317 insertions, 0 deletions

diff --git a/tests/pointers.sh b/tests/pointers.sh
new file mode 100644
index 0000000..bbd4ed4
--- /dev/null
+++ b/tests/pointers.sh
@@ -0,0 +1,317 @@
+# pointer basics
+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;
+    int* const* const* a25;
+    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
+
+# arrays
+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
+
+# string operations
+> expected
+test_diff <<'EOF'
+int main() {
+    "";
+    return 0;
+}
+EOF
+
+> expected
+test_diff <<'EOF'
+int main() {
+    "abc";
+    return 0;
+}
+EOF
+
+> expected
+test_diff <<'EOF'
+int main() {
+    "\"foo\"bar\\\n\"";
+    return 0;
+}
+EOF
+
+cat <<'EOF' > expected
+abc
+defghijkl
+EOF
+
+test_diff <<'EOF'
+int printf();
+
+int main() {
+    printf("abc\n");
+    printf("def" "ghi"
+    "jkl\n");
+}
+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