| <!-- webkit-test-runner [ CanvasColorTypeEnabled=true ] --> |
| <html> |
| <script src="../../resources/js-test-pre.js"></script> |
| </head> |
| <body> |
| <script> |
| description("Test that the colorType member of CanvasRenderingContext2DSettings is supported when CanvasColorTypeEnabled=true."); |
| |
| function testColorType(settings, expectedColorType) { |
| let canvas = document.createElement("canvas"); |
| let context = canvas.getContext("2d", settings); |
| window.testSettings = context.getContextAttributes(); |
| shouldBeEqualToString("testSettings.colorType", expectedColorType); |
| } |
| |
| // Test default value of colorType is "unorm8". |
| testColorType(undefined, "unorm8"); |
| |
| // Test setting colorType to a valid value works. |
| testColorType({ colorType: "unorm8" }, "unorm8"); |
| testColorType({ colorType: "float16" }, "float16"); |
| |
| // Test setting colorType to an unsupported value. |
| shouldThrowErrorName(`document.createElement("canvas").getContext("2d", { colorType: "foo" })`, "TypeError") |
| </script> |
| |
| <script src="../../resources/js-test-post.js"></script> |
| </body> |
| </html> |
