third_party/WebKit/LayoutTests/virtual/color_space/fast/canvas/color-space/canvas-colorspace-arguments.html

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

<script>

var testScenarios = [
    ["Test default context creation parameters: srgb/8-8-8-8", {}, {colorSpace: "srgb", pixelFormat: "8-8-8-8"}],

    ["Test CanvasColorSpace value srgb", {colorSpace: "srgb"}, {colorSpace: "srgb", pixelFormat: "8-8-8-8"}],
    ["Test CanvasColorSpace value rec2020, no pixel format, falls back to srgb/8-8-8-8", {colorSpace: "rec2020"},  {colorSpace: "srgb", pixelFormat: "8-8-8-8"}],
    ["Test CanvasColorSpace value p3, no pixel format, falls back to srgb/8-8-8-8", {colorSpace: "p3"},  {colorSpace: "srgb", pixelFormat: "8-8-8-8"}],

    ["Test CanvasPixelFormat value 8-8-8-8", {pixelFormat: "8-8-8-8"}, {colorSpace: "srgb", pixelFormat: "8-8-8-8"}],
    ["Test CanvasPixelFormat value 10-10-10-2, falls back to 8-8-8-8", {pixelFormat: "10-10-10-2"}, {colorSpace: "srgb", pixelFormat: "8-8-8-8"}],
    ["Test CanvasPixelFormat value 12-12-12-12, falls back to 8-8-8-8", {pixelFormat: "12-12-12-12"}, {colorSpace: "srgb", pixelFormat: "8-8-8-8"}],
    ["Test CanvasPixelFormat value float16", {pixelFormat: "float16"}, {colorSpace: "srgb", pixelFormat: "float16"}],

    ["Test supported CanvasColorSpace and CanvasPixelFormat combination: srgb/8-8-8-8", {colorSpace: "srgb", pixelFormat: "8-8-8-8"}, {colorSpace: "srgb", pixelFormat: "8-8-8-8"}],
    ["Test not-supported CanvasColorSpace and CanvasPixelFormat combination: srgb/10-10-10-2", {colorSpace: "srgb", pixelFormat: "10-10-10-2"}, {colorSpace: "srgb", pixelFormat: "8-8-8-8"}],
    ["Test not-supported CanvasColorSpace and CanvasPixelFormat combination: srgb/12-12-12-12", {colorSpace: "srgb", pixelFormat: "12-12-12-12"}, {colorSpace: "srgb", pixelFormat: "8-8-8-8"}],
    ["Test supported CanvasColorSpace and CanvasPixelFormat combination: srgb/float16", {colorSpace: "srgb", pixelFormat: "float16"}, {colorSpace: "srgb", pixelFormat: "float16"}],

    ["Test not-supported CanvasColorSpace and CanvasPixelFormat combination: rec2020/8-8-8-8, falls back to srgb/8-8-8-8", {colorSpace: "rec2020", pixelFormat: "8-8-8-8"}, {colorSpace: "srgb", pixelFormat: "8-8-8-8"}],
    ["Test not-supported CanvasColorSpace and CanvasPixelFormat combination: rec2020/10-10-10-2, falls back to srgb/8-8-8-8", {colorSpace: "rec2020", pixelFormat: "10-10-10-2"}, {colorSpace: "srgb", pixelFormat: "8-8-8-8"}],
    ["Test not-supported CanvasColorSpace and CanvasPixelFormat combination: rec2020/12-12-12-12, falls back to srgb/8-8-8-8", {colorSpace: "rec2020", pixelFormat: "12-12-12-12"}, {colorSpace: "srgb", pixelFormat: "8-8-8-8"}],
    ["Test supported CanvasColorSpace and CanvasPixelFormat combination: rec2020/float16", {colorSpace: "rec2020", pixelFormat: "float16"}, {colorSpace: "rec2020", pixelFormat: "float16"}],

    ["Test not-supported CanvasColorSpace and CanvasPixelFormat combination: p3/8-8-8-8, falls back to srgb/8-8-8-8", {colorSpace: "p3", pixelFormat: "8-8-8-8"}, {colorSpace: "srgb", pixelFormat: "8-8-8-8"}],
    ["Test not-supported CanvasColorSpace and CanvasPixelFormat combination: p3/10-10-10-2, falls back to srgb/8-8-8-8", {colorSpace: "p3", pixelFormat: "10-10-10-2"}, {colorSpace: "srgb", pixelFormat: "8-8-8-8"}],
    ["Test not-supported CanvasColorSpace and CanvasPixelFormat combination: p3/12-12-12-12, falls back to srgb/8-8-8-8", {colorSpace: "p3", pixelFormat: "12-12-12-12"}, {colorSpace: "srgb", pixelFormat: "8-8-8-8"}],
    ["Test supported CanvasColorSpace and CanvasPixelFormat combination: p3/float16", {colorSpace: "p3", pixelFormat: "float16"}, {colorSpace: "p3", pixelFormat: "float16"}],
];

function runTestScenario(contextCreationParameters, expectedContextAttributes) {
    var canvas = document. createElement('canvas');
    var ctx = canvas.getContext('2d', contextCreationParameters);
    var contextAttributes = ctx.getContextAttributes();
    assert_equals(contextAttributes.colorSpace, expectedContextAttributes.colorSpace);
    assert_equals(contextAttributes.pixelFormat, expectedContextAttributes.pixelFormat);
}

generate_tests(runTestScenario, testScenarios);
</script>