| <!DOCTYPE html> |
| <body> |
| <script src="../../../resources/testharness.js"></script> |
| <script src="../../../resources/testharnessreport.js"></script> |
| <script> |
| |
| function checkDataTypeAgainstStorageFormat(data, storageFormat) { |
| if (storageFormat == "uint8") |
| assert_equals(Object.prototype.toString.call(data), "[object Uint8ClampedArray]"); |
| else if (storageFormat == "uint16") |
| assert_equals(Object.prototype.toString.call(data), "[object Uint16Array]"); |
| else if (storageFormat == "float32") |
| assert_equals(Object.prototype.toString.call(data), "[object Float32Array]"); |
| } |
| |
| function checkColorSettings(colorSettings, colorSpace, storageFormat) { |
| assert_equals(colorSettings.colorSpace, colorSpace); |
| assert_equals(colorSettings.storageFormat, storageFormat); |
| } |
| |
| function runTest(colorSettings, expectedColorSettings) { |
| var canvas = document.createElement("canvas"); |
| var ctx = canvas.getContext("2d"); |
| |
| imageData = ctx.createImageData(1, 1, colorSettings); |
| checkDataTypeAgainstStorageFormat(imageData.data, colorSettings.storageFormat); |
| assert_array_equals(imageData.data, [0, 0, 0, 0]); |
| checkColorSettings(imageData.getSettings(), expectedColorSettings.colorSpace, expectedColorSettings.storageFormat); |
| } |
| |
| var testScenarios = [ |
| ["Test default color settings: {undefined, undefined} -> {srgb, uint8}", {}, {colorSpace: "srgb", storageFormat: "uint8"}], |
| |
| ["Test default color space: {undefined, float32} -> {srgb, float32}", {storageFormat: "float32"}, {colorSpace: "srgb", storageFormat: "float32"}], |
| ["Test default storage format: {srgb, undefined} -> {srgb, uint8}", {colorSpace: "srgb"}, {colorSpace: "srgb", storageFormat: "uint8"}], |
| |
| ["Test color settings: {srgb, uint8}", {colorSpace: "srgb", storageFormat: "uint8"}, {colorSpace: "srgb", storageFormat: "uint8"}], |
| ["Test color settings: {srgb, uint16}", {colorSpace: "srgb", storageFormat: "uint16"}, {colorSpace: "srgb", storageFormat: "uint16"}], |
| ["Test color settings: {srgb, float32}", {colorSpace: "srgb", storageFormat: "float32"}, {colorSpace: "srgb", storageFormat: "float32"}], |
| |
| ["Test color settings: {rec2020, uint8}", {colorSpace: "rec2020", storageFormat: "uint8"}, {colorSpace: "rec2020", storageFormat: "uint8"}], |
| ["Test color settings: {rec2020, uint16}", {colorSpace: "rec2020", storageFormat: "uint16"}, {colorSpace: "rec2020", storageFormat: "uint16"}], |
| ["Test color settings: {rec2020, float32}", {colorSpace: "rec2020", storageFormat: "float32"}, {colorSpace: "rec2020", storageFormat: "float32"}], |
| |
| ["Test color settings: {display-p3, uint8}", {colorSpace: "display-p3", storageFormat: "uint8"}, {colorSpace: "display-p3", storageFormat: "uint8"}], |
| ["Test color settings: {display-p3, uint16}", {colorSpace: "display-p3", storageFormat: "uint16"}, {colorSpace: "display-p3", storageFormat: "uint16"}], |
| ["Test color settings: {display-p3, float32}", {colorSpace: "display-p3", storageFormat: "float32"}, {colorSpace: "display-p3", storageFormat: "float32"}], |
| |
| ]; |
| |
| generate_tests(runTest, testScenarios); |
| |
| </script> |
| </body> |
