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+<!--
+Copyright (c) 2019 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">
+<title>WebGL Out Of Memory Test</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>
+<canvas id="canvas" width="2" height="2"> </canvas>
+<script>
+"use strict";
+debug("This tests WebGL running out of memory.");
+
+debug("");
+debug("Canvas.getContext");
+
+var wtu = WebGLTestUtils;
+var gl = wtu.create3DContext("canvas");
+if (!gl) {
+ testFailed("context does not exist");
+} else {
+ testPassed("context exists");
+
+ debug("");
+ debug("Allocating shaders.");
+
+ function makeBigShader() {
+ var lines = [];
+ var line = "// ";
+ for (var ii = 0; ii < 1024; ++ii) {
+ line += String.fromCharCode(48 + ii % 10);
+ }
+ for (var ii = 0; ii < 1024; ++ii) {
+ lines[ii] = line;
+ }
+ var oneMB = lines.join();
+ for (var ii = 0; ii < 64; ++ii) {
+ lines[ii] = oneMB;
+ }
+ return lines.join("\n");
+ }
+
+ var shaderSource = makeBigShader();
+ debug("created " + Math.floor(shaderSource.length / 1024 / 1024) + "MB shader");
+
+ var intervalId;
+ var count = 0;
+
+ function makeShader() {
+ ++count;
+ debug ("creating shader #" + count + " mem = " + Math.floor(shaderSource.length * count / 1024 / 1024) + "MB");
+ var shader = gl.createShader(gl.VERTEX_SHADER);
+ if (shader == null) {
+ window.clearInterval(intervalId);
+ testPassed("createShader returns null"); // not sure this is a passing
+ finishTest();
+ } else {
+ gl.shaderSource(shader, shaderSource);
+ var err = gl.getError();
+ if (err != gl.NO_ERROR) {
+ window.clearInterval(intervalId);
+ assertMsg(err == gl.OUT_OF_MEMORY, "shaderSource returns OUT_OF_MEMORY");
+ finishTest();
+ }
+ }
+ }
+
+ intervalId = window.setInterval(makeShader, 1000/15);
+}
+</script>
+<script src="../js/js-test-post.js"></script>
+
+</body>
+</html>