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<html>
<meta charset=utf-8>
<meta name="timeout" content="long">
<title>matrix-index-assign-swizzle.</title>
<script src="js/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.fieldShouldBeNull = async () => {
    const program = `
        bool foo() {
            float2x3 mat;
            mat[0] = float3(10.0, 20.0, 30.0);

            if (!all(mat[0] == float3(10.0, 20.0, 30.0)))
                return false;

            if (!all(mat[0].xy == float2(10.0, 20.0)))
                return false;

            if (!all(mat[0].yx == float2(20.0, 10.0)))
                return false;

            mat[0].xy = float2(1.0, 2.0);
            if (!all(mat[0].xy == float2(1.0, 2.0)))
                return false;

            mat[0].yx.yx = float2(100.0, 200.0);
            if (!all(mat[0].xy == float2(100.0, 200.0)))
                return false;

            return true;
        }
    `;

    assert_equals(await callBoolFunction(program,  "foo", []), true);
};

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