refactor: organize test files

1 files changed, 309 insertions, 0 deletions

diff --git a/tests/expressions.sh b/tests/expressions.sh
new file mode 100644
index 0000000..dadfade
--- /dev/null
+++ b/tests/expressions.sh
@@ -0,0 +1,309 @@
+# logical operators
+cat <<'EOF' > expected
+foo
+EOF
+test_diff <<'EOF'
+int printf();
+
+int foo() {
+    printf("foo\n");
+    return 0;
+}
+
+int bar() {
+    printf("bar\n");
+    return 1;
+}
+
+int main() {
+    if (foo() && bar()) {
+        printf("baz\n");
+    }
+
+    return 0;
+}
+EOF
+
+cat <<'EOF' > expected
+foo
+bar
+baz
+EOF
+test_diff <<'EOF'
+int printf();
+
+int foo() {
+    printf("foo\n");
+    return 0;
+}
+
+int bar() {
+    printf("bar\n");
+    return 1;
+}
+
+int main() {
+    if (foo() || bar()) {
+        printf("baz\n");
+    }
+
+    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
+
+# increment/decrement operators
+cat <<'EOF' > expected
+44
+44
+46
+46
+44
+42
+42
+EOF
+
+test_diff <<'EOF'
+int printf();
+
+int main() {
+    int a = 42;
+    ++a;
+    a++;
+    printf("%d\n", a);
+    printf("%d\n", a++);
+    printf("%d\n", ++a);
+    printf("%d\n", a);
+    --a;
+    a--;
+    printf("%d\n", a--);
+    printf("%d\n", --a);
+    printf("%d\n", a);
+}
+EOF
+
+# comma operator
+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
+
+test_diff <<'EOF'
+int printf();
+int x, y, z = 5;
+int main() {
+    int a, b;
+    a = 1, b = 2;
+    int c = 3, d = 4;
+    printf("%d %d %d %d\n", a, b, c, d);
+    printf("%d %d %d\n", x, y, z);
+}
+EOF
+
+# cast expressions
+cat <<'EOF' > expected
+65
+65
+127
+1
+42
+99
+10
+EOF
+test_diff <<'EOF'
+int printf(const char*, ...);
+
+int main() {
+    char c = 65;
+    int i = (int)c;
+    printf("%d\n", i);
+
+    int i2 = 321;
+    char c2 = (char)i2;
+    printf("%d\n", c2);
+
+    short s = 127;
+    int i3 = (int)s;
+    printf("%d\n", i3);
+
+    int i4 = 65537;
+    short s2 = (short)i4;
+    printf("%d\n", s2);
+
+    long l = 42;
+    int i5 = (int)l;
+    printf("%d\n", i5);
+
+    int i6 = 99;
+    long l2 = (long)i6;
+    printf("%d\n", (int)l2);
+
+    char c3 = 10;
+    short s3 = (short)c3;
+    int i7 = (int)s3;
+    long l3 = (long)i7;
+    printf("%d\n", (int)l3);
+
+    return 0;
+}
+EOF
+
+cat <<'EOF' > expected
+Result: 130
+EOF
+test_diff <<'EOF'
+int printf(const char*, ...);
+
+int main() {
+    char c = 65;
+    int result = (int)c + (int)c;
+    printf("Result: %d\n", result);
+    return 0;
+}
+EOF
+
+cat <<'EOF' > expected
+10
+20
+30
+EOF
+test_diff <<'EOF'
+int printf(const char*, ...);
+
+int main() {
+    char a = 5;
+    char b = 5;
+    int sum = (int)a + (int)b;
+    printf("%d\n", sum);
+
+    short s1 = 10;
+    short s2 = 10;
+    int sum2 = (int)s1 + (int)s2;
+    printf("%d\n", sum2);
+
+    long l1 = 15;
+    long l2 = 15;
+    int sum3 = (int)(l1 + l2);
+    printf("%d\n", sum3);
+
+    return 0;
+}
+EOF
+
+cat <<'EOF' > expected
+10
+EOF
+test_diff <<'EOF'
+int printf(const char*, ...);
+
+int main() {
+    char c = -10;
+    int i = (int)c;
+    printf("%d\n", -i);
+    return 0;
+}
+EOF
+
+cat <<'EOF' > expected
+Char: 65
+Int: 65
+EOF
+test_diff <<'EOF'
+int printf(const char*, ...);
+
+char get_char() {
+    return 65;
+}
+
+int main() {
+    char c = get_char();
+    int i = (int)get_char();
+    printf("Char: %d\n", c);
+    printf("Int: %d\n", i);
+    return 0;
+}
+EOF
+
+cat <<'EOF' > expected
+Equal
+EOF
+test_diff <<'EOF'
+int printf(const char*, ...);
+
+int main() {
+    char c = 42;
+    int i = 42;
+    if ((int)c == i) {
+        printf("Equal\n");
+    } else {
+        printf("Not equal\n");
+    }
+    return 0;
+}
+EOF
+
+cat <<'EOF' > expected
+55
+EOF
+test_diff <<'EOF'
+int printf(const char*, ...);
+
+int main() {
+    long l = 55;
+    char c = (char)(short)(int)l;
+    printf("%d\n", c);
+    return 0;
+}
+EOF
+
+cat <<'EOF' > expected
+42
+EOF
+test_diff <<'EOF'
+int printf(const char*, ...);
+
+int f() {
+    return printf("42\n");
+}
+
+int main() {
+    (void)123;
+    (void)(5 + 6 + 7);
+    (void)f();
+}
+EOF