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Test webgl2 vs. webgl canvas context modes. #2701

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Aug 30, 2018
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Test webgl2 vs. webgl canvas context modes. #2701

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1 change: 1 addition & 0 deletions sdk/tests/conformance2/context/00_test_list.txt
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@@ -1,5 +1,6 @@
constants-and-properties-2.html
context-attributes-depth-stencil-antialias-obeyed.html
--min-version 2.0.1 context-mode.html
--min-version 2.0.1 context-sharing-texture2darray-texture3d-data-bug.html
context-type-test-2.html
--min-version 2.0.1 context-resize-changes-buffer-binding-bug.html
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77 changes: 77 additions & 0 deletions sdk/tests/conformance2/context/context-mode.html
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<!--

/*
** Copyright (c) 2018 The Khronos Group Inc.
**
** Permission is hereby granted, free of charge, to any person obtaining a
** copy of this software and/or associated documentation files (the
** "Materials"), to deal in the Materials without restriction, including
** without limitation the rights to use, copy, modify, merge, publish,
** distribute, sublicense, and/or sell copies of the Materials, and to
** permit persons to whom the Materials are furnished to do so, subject to
** the following conditions:
**
** The above copyright notice and this permission notice shall be included
** in all copies or substantial portions of the Materials.
**
** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
*/

-->

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>WebGL2 Canvas Context Mode Conformance Tests</title>
<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";
description("This test ensures WebGL 2.0 implementations respect the canvas's context mode.");

debug("");

assertMsg(window.WebGLRenderingContext,
"WebGL2RenderingContext should be a member of window");
assertMsg('WebGL2RenderingContext' in window,
"WebGL2RenderingContext should be 'in' window");

function testContextMode(mode, altMode) {
debug("Testing " + mode + " context type");

let c = document.createElement('canvas');
c.width = 2;
c.height = 2;
let gl = c.getContext(mode);
assertMsg(c.getContext(mode) == gl,
"Canvas.getContext('" + mode + "') should return the same value every time");
try {
assertMsg(c.getContext(altMode) == null,
"Canvas.getContext('" + altMode + "') after getContext('" + mode + "') should return null");
} catch (e) {
testFailed("Canvas.getContext('" + altMode + "') after getContext('" + mode + "') should not throw an exception");
}
}

testContextMode('webgl2', 'webgl');
testContextMode('webgl', 'webgl2');

debug("");
var successfullyParsed = true;
</script>
<script src="../../js/js-test-post.js"></script>

</body>
</html>