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diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/misc/bad-arguments-test.html b/dom/canvas/test/webgl-conf/checkout/conformance/misc/bad-arguments-test.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>
+<div id="description"></div>
+<div id="console"></div>
+
+<script>
+"use strict";
+var wtu = WebGLTestUtils;
+description("Tests calling WebGL APIs with wrong argument types");
+
+
+var testArguments = [
+  { value: "foo",
+    throwsForNullables: true },
+  { value: 0,
+    throwsForNullables: true },
+  { value: null,
+    throwsForNullables: false },
+  { value: undefined,
+    throwsForNullables: false }
+];
+
+var argument;
+
+var context = wtu.create3DContext();
+var program;
+var shader;
+var loc;
+wtu.loadStandardProgramAsync(context, function(success, prog) {
+  program = prog;
+  wtu.loadStandardVertexShaderAsync(context, function(success, s) {
+    shader = s;
+
+    assertMsg(program != null, "Program Compiled");
+    assertMsg(shader != null, "Shader Compiled");
+
+    loc = context.getUniformLocation(program, "u_modelViewProjMatrix");
+    assertMsg(loc != null, "getUniformLocation succeeded");
+
+    for (var i = 0; i < testArguments.length; ++i) {
+      argument = testArguments[i].value;
+
+      debug('Testing argument: ' + argument);
+
+      // These functions don't accept nullable arguments any more.
+      shouldThrow("context.compileShader(argument)");
+      shouldThrow("context.linkProgram(argument)");
+      shouldThrow("context.attachShader(program, argument)");
+      shouldThrow("context.attachShader(argument, shader)");
+      shouldThrow("context.detachShader(program, argument)");
+      shouldThrow("context.detachShader(argument, shader)");
+      shouldThrow("context.shaderSource(argument, 'foo')");
+      shouldThrow("context.bindAttribLocation(argument, 0, 'foo')");
+      shouldThrow("context.getProgramInfoLog(argument)");
+      shouldThrow("context.getProgramParameter(argument, 0)");
+      shouldThrow("context.getShaderInfoLog(argument)");
+      shouldThrow("context.getShaderParameter(argument, 0)");
+      shouldThrow("context.getShaderSource(argument)");
+      shouldThrow("context.getUniform(argument, loc)");
+      shouldThrow("context.getUniform(program, argument)");
+      shouldThrow("context.getUniformLocation(argument, 'u_modelViewProjMatrix')");
+
+      // The following entry points still accept nullable arguments.
+      var func;
+      if (testArguments[i].throwsForNullables) {
+        func = shouldThrow;
+      } else {
+        func = shouldBeUndefined;
+      }
+
+      func("context.bindBuffer(context.ARRAY_BUFFER, argument)");
+      func("context.bindFramebuffer(context.FRAMEBUFFER, argument)");
+      func("context.bindRenderbuffer(context.RENDERBUFFER, argument)");
+      func("context.bindTexture(context.TEXTURE_2D, argument)");
+      func("context.framebufferRenderbuffer(context.FRAMEBUFFER, context.DEPTH_ATTACHMENT, context.RENDERBUFFER, argument)");
+      func("context.framebufferTexture2D(context.FRAMEBUFFER, context.COLOR_ATTACHMENT0, context.TEXTURE_2D, argument, 0)");
+      func("context.uniform2fv(argument, new Float32Array([0.0, 0.0]))");
+      func("context.uniform2iv(argument, new Int32Array([0, 0]))");
+      func("context.uniformMatrix2fv(argument, false, new Float32Array([0.0, 0.0, 0.0, 0.0]))");
+      func("context.useProgram(argument)");
+    }
+    finishTest();
+  });
+});
+</script>
+</body>
+</html>