#!/bin/bash

test_exit_code 0 <<'EOF'
#include "../../helpers.h"

int main() {
    int x = 2;
    int result = 0;

    switch (x) {
    case 1:
        result = 10;
        break;
    case 2:
        result = 20;
        break;
    case 3:
        result = 30;
        break;
    }

    ASSERT_EQ(20, result);
}
EOF

test_exit_code 0 <<'EOF'
#include "../../helpers.h"

int main() {
    int x = 5;
    int result = 0;

    switch (x) {
    case 1:
        result = 10;
        break;
    case 2:
        result = 20;
        break;
    default:
        result = 99;
        break;
    }

    ASSERT_EQ(99, result);
}
EOF

test_exit_code 0 <<'EOF'
#include "../../helpers.h"

int main() {
    int x = 2;
    int result = 0;

    switch (x) {
    case 1:
        result = result + 10;
    case 2:
        result = result + 20;
    case 3:
        result = result + 30;
        break;
    }

    ASSERT_EQ(50, result);  // 20 + 30 due to fall-through
}
EOF

test_exit_code 0 <<'EOF'
#include "../../helpers.h"

int main() {
    int x = 1;
    int y = 2;
    int result = 0;

    switch (x) {
    case 1:
        switch (y) {
        case 1:
            result = 11;
            break;
        case 2:
            result = 12;
            break;
        }
        break;
    case 2:
        result = 20;
        break;
    }

    ASSERT_EQ(12, result);
}
EOF

test_exit_code 0 <<'EOF'
#include "../../helpers.h"

int main() {
    int a = 3;
    int b = 2;
    int result = 0;

    switch (a + b) {
    case 4:
        result = 40;
        break;
    case 5:
        result = 50;
        break;
    case 6:
        result = 60;
        break;
    }

    ASSERT_EQ(50, result);
}
EOF

test_exit_code 0 <<'EOF'
#include "../../helpers.h"

int main() {
    int x = 2;
    int result = 0;
    int temp = 0;

    switch (x) {
    case 1:
        temp = 5;
        result = temp * 2;
        break;
    case 2:
        temp = 10;
        result = temp * 2;
        break;
    case 3:
        temp = 15;
        result = temp * 2;
        break;
    }

    ASSERT_EQ(20, result);
    ASSERT_EQ(10, temp);
}
EOF

test_exit_code 0 <<'EOF'
#include "../../helpers.h"

int main() {
    int x = 1;
    int result = 0;

    switch (x) {
    case 1: {
        int local = 100;
        result = local;
        break;
    }
    case 2: {
        int local = 200;
        result = local;
        break;
    }
    }

    ASSERT_EQ(100, result);
}
EOF

test_exit_code 0 <<'EOF'
#include "../../helpers.h"

int main() {
    int x = 10;
    int result = 42;

    switch (x) {
    case 1:
        result = 10;
        break;
    case 2:
        result = 20;
        break;
    }

    ASSERT_EQ(42, result);
}
EOF

cat <<'EOF' > expected
main.c:2: 'case' label not within a switch statement
EOF
test_compile_error <<'EOF'
int main() {
    case 1:
        return 0;
}
EOF

cat <<'EOF' > expected
main.c:2: 'default' label not within a switch statement
EOF
test_compile_error <<'EOF'
int main() {
    default:
        return 0;
}
EOF