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+<!--
+
+/*
+** Copyright (c) 2015 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.
+*/
+
+-->
+
+<html>
+<head>
+<meta charset="utf-8">
+<title>WebGL Default Texture Draw Bug 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>
+<canvas id="c"></canvas>
+<div id="description"></div>
+<div id="console"></div>
+<script>
+"use strict";
+description("This test attempts to provoke a Chrome bug that occured when drawing with textures when one was never bound. <a href='http://crbug.com/524144'>crbug.com/524144</a>");
+
+debug("");
+
+var wtu = WebGLTestUtils;
+var gl = wtu.create3DContext("c");
+var canvas = gl.canvas;
+
+if (!gl) {
+ testFailed("WebGL context does not exist");
+} else {
+ testPassed("WebGL context exists");
+
+ runDrawTests();
+
+ wtu.glErrorShouldBe(gl, gl.NO_ERROR, "there should be no errors");
+}
+
+function runDrawTests(drawType) {
+ debug("Test that drawing with a texture when no textures have been bound gives the expected black output");
+ canvas.width = 50; canvas.height = 50;
+ gl.viewport(0, 0, canvas.width, canvas.height);
+
+ // Set up a program that will draw with a texture
+ var program = wtu.setupNoTexCoordTextureProgram(gl);
+
+ wtu.setupIndexedQuad(gl);
+ for (var i = 0 ; i < 100 && _bufferedConsoleLogs != null; ++i) {
+ // Clear to white.
+ gl.clearColor(1.0, 1.0, 1.0, 1.0);
+ gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
+
+ // Draw without binding any textures.
+ gl.drawElements(gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0);
+
+ // Check to ensure the entire canvas is black.
+ wtu.checkCanvasRect(gl, 0.0, 0.0, canvas.width, canvas.height,
+ [0.0, 0.0, 0.0], "Draw should pass", 2);
+ }
+}
+
+debug("");
+var successfullyParsed = true;
+</script>
+<script src="../../js/js-test-post.js"></script>
+
+</body>
+</html>