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+++ b/dom/canvas/test/webgl-conf/checkout/conformance2/textures/misc/tex-image-with-different-data-source.html
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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">
+<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="canvas1" width="16" height="16"></canvas>
+<canvas id="canvas2" width="16" height="16"></canvas>
+<canvas id="c" width="16" height="16"></canvas>
+<div id="description"></div>
+<div id="console"></div>
+<script>
+"use strict";
+description('Tests texImage2D with different data source');
+
+var wtu = WebGLTestUtils;
+var c = document.getElementById("c");
+var gl = wtu.create3DContext("canvas1", undefined, 2);
+var tex = gl.createTexture();
+
+// Do TexImage2D taking a canvas source first.
+gl.bindTexture(gl.TEXTURE_2D, tex);
+gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA8, gl.RGBA, gl.UNSIGNED_BYTE, c);
+wtu.glErrorShouldBe(gl, gl.NO_ERROR, "TexImage2D taking a canvas source should succeed");
+gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGB10_A2UI, 16, 16, 0, gl.RGBA_INTEGER, gl.UNSIGNED_INT_2_10_10_10_REV, null);
+wtu.glErrorShouldBe(gl, gl.NO_ERROR, "Teximage2D taking a null array buffer should succeed");
+gl.deleteTexture(tex);
+
+// Do TexImage2D taking an array buffer first.
+gl = wtu.create3DContext("canvas2", undefined, 2);
+tex = gl.createTexture();
+gl.bindTexture(gl.TEXTURE_2D, tex);
+gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGB10_A2UI, 16, 16, 0, gl.RGBA_INTEGER, gl.UNSIGNED_INT_2_10_10_10_REV, null);
+wtu.glErrorShouldBe(gl, gl.NO_ERROR, "Teximage2D taking a null array buffer should succeed");
+gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGB10_A2UI, gl.RGBA_INTEGER, gl.UNSIGNED_INT_2_10_10_10_REV, c);
+wtu.glErrorShouldBe(gl, [gl.INVALID_VALUE, gl.INVALID_ENUM], "TexImage2D taking RGB10_A2UI internalformat and a canvas source should fail");
+gl.deleteTexture(tex);
+
+var successfullyParsed = true;
+</script>
+<script src="../../../js/js-test-post.js"></script>
+</body>
+</html>