chromium/src/third_party/blink/web_tests/external/wpt/html/canvas/element/manual/wide-gamut-canvas/canvas-colorspace-arguments.html

<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>

<script>

var testScenarios = [
    {testDescription: "Test default context creation parameters: srgb/uint8",
        canvasColorSettings: {},
        expectedColorSettings: {colorSpace: "srgb", pixelFormat: "uint8"}},
    {testDescription: "Test CanvasColorSpace value srgb",
        canvasColorSettings: {colorSpace: "srgb"},
        expectedColorSettings: {colorSpace: "srgb", pixelFormat: "uint8"}},

    {testDescription: "Test CanvasPixelFormat value uint8",
        canvasColorSettings: {pixelFormat: "uint8"},
        expectedColorSettings: {colorSpace: "srgb", pixelFormat: "uint8"}},
    {testDescription: "Test CanvasPixelFormat value float16",
        canvasColorSettings: {pixelFormat: "float16"},
        expectedColorSettings: {colorSpace: "srgb", pixelFormat: "float16"}},

    {testDescription: "Test supported color settings srgb/uint8",
        canvasColorSettings: {colorSpace: "srgb", pixelFormat: "uint8"},
        expectedColorSettings: {colorSpace: "srgb", pixelFormat: "uint8"}},
    {testDescription: "Test supported color settings srgb/float16",
        canvasColorSettings: {colorSpace: "srgb", pixelFormat: "float16"},
        expectedColorSettings: {colorSpace: "srgb", pixelFormat: "float16"}},
];

function runTestScenario(testScenario) {
    var t = test(function() {
        var canvas = document. createElement('canvas');
        var ctx = canvas.getContext('2d', testScenario.canvasColorSettings);
        var contextAttributes = ctx.getContextAttributes();
        assert_equals(contextAttributes.colorSpace,
            testScenario.expectedColorSettings.colorSpace);
        assert_equals(contextAttributes.pixelFormat,
            testScenario.expectedColorSettings.pixelFormat);
    }, testScenario.testDescription);
}

function runAllTests() {
    for (var i = 0; i < testScenarios.length; i++)
        runTestScenario(testScenarios[i]);
}

runAllTests();
</script>