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<html>
<meta charset=utf-8>
<meta name="timeout" content="long">
<title>Test structs.</title>
<script src="js/whlsl-test-harness.js"></script>
<script src="js/webgpu-functions.js"></script>
<script src="../resources/testharness.js"></script>
<script src="../resources/testharnessreport.js"></script>
<script>
const whlslTests = {};

whlslTests.indexSetterWithNoGetterOverload = async () =>
{
    await checkFail(
        `
            struct Foo { }
            struct Bar { }
            int operator[](Foo, uint)
            {
                return 534;
            }
            Bar operator[]=(Bar, uint, int)
            {
                return Bar();
            }
        `);
        
};

whlslTests.indexSetterWithNoGetterOverloadFixed = async () =>
{
    const program = `
        struct Bar { }
        int operator[](Bar, uint)
        {
            return 534;
        }
        Bar operator[]=(Bar, uint, int)
        {
            return Bar();
        }
        int foo() { return Bar()[0]; }
        int bar() {
            Bar b;
            b[0] = 400;
            return b[0];
        }
    `;
    assert_equals(await callIntFunction(program, "foo", []), 534);
    assert_equals(await callIntFunction(program, "bar", []), 534);
};

whlslTests.notLoneIndexSetter = async () =>
{
    const program = `
        int operator[](int, uint)
        {
            return 65;
        }
        int operator[]=(int, uint, int)
        {
            return 543;
        }
        int foo() {
            int x;
            return x[0];
        }
        int bar() {
            int x;
            x[0] = 42;
            return x;
        }
    `;
    assert_equals(await callIntFunction(program, "foo", []), 65);
    assert_equals(await callIntFunction(program, "bar", []), 543);
};

whlslTests.loneIndexSetter = async () =>
{
    await checkFail(
        `
            int operator[]=(int, uint, int)
            {
                return 543;
            }
        `);
        
};

whlslTests.loneIndexSetterPointer = async () =>
{
    await checkFail(
        `
            thread int* operator[]=(thread int* ptr, uint, int)
            {
                return ptr;
            }
        `);
        
};

runTests(whlslTests);
</script>
</html>