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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
| commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
| tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /dom/canvas/test/webgl-conf/checkout/conformance/context/zero-sized-canvas.html | |
| parent | Initial commit. (diff) | |
| download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip | |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/canvas/test/webgl-conf/checkout/conformance/context/zero-sized-canvas.html')
| -rw-r--r-- | dom/canvas/test/webgl-conf/checkout/conformance/context/zero-sized-canvas.html | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/context/zero-sized-canvas.html b/dom/canvas/test/webgl-conf/checkout/conformance/context/zero-sized-canvas.html new file mode 100644 index 0000000000..13e1338865 --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/context/zero-sized-canvas.html @@ -0,0 +1,59 @@ +<!-- +Copyright (c) 2020 The Khronos Group Inc. +Use of this source code is governed by an MIT-style license that can be +found in the LICENSE.txt file. +--> + +<!DOCTYPE html> +<html> +<head> +<meta charset="utf-8"> +<link rel="stylesheet" href="../../resources/js-test-style.css"/> +<script src="../../js/js-test-pre.js"></script> +<script src="../../js/webgl-test-utils.js"></script> +</head> +<body> +<div id="description"></div> +<div id="console"></div> +<script> +"use strict"; + +// Global declarations so that "shouldBe" can eval with them: +let gl; + +(function() { + description('Check that zero-sized canvases work with WebGL.'); + + testZero(); + + finishTest(); +})(); + +function testZero() { + const canvas = document.createElement('canvas'); + canvas.width = 0; + canvas.height = 0; + gl = WebGLTestUtils.create3DContext(canvas); + + expectTrue(gl, `Context creation with ${canvas.width}x${canvas.height} canvas should succeed.`); + shouldBe('gl.drawingBufferWidth', '1'); + shouldBe('gl.drawingBufferHeight', '1'); + shouldBeFalse('gl.isContextLost()'); + + const version = gl.getParameter(gl.VERSION); + expectTrue(version && version.length, `getParameter() should return something.`); + + debug('canvas.width = 2'); + canvas.width = 2; + shouldBe('gl.drawingBufferWidth', '2'); + shouldBeFalse('gl.isContextLost()'); + + debug('canvas.width = 0'); + canvas.width = 0; + shouldBe('gl.drawingBufferWidth', '1'); + shouldBeFalse('gl.isContextLost()'); +} + +</script> +</body> +</html> |