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diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/glsl/misc/struct-mixed-array-declarators.html b/dom/canvas/test/webgl-conf/checkout/conformance/glsl/misc/struct-mixed-array-declarators.html
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+++ b/dom/canvas/test/webgl-conf/checkout/conformance/glsl/misc/struct-mixed-array-declarators.html
@@ -0,0 +1,71 @@
+<!--
+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" />
+<link rel="stylesheet" href="../../../resources/glsl-feature-tests.css" />
+<script src="../../../js/js-test-pre.js"></script>
+<script src="../../../js/webgl-test-utils.js"></script>
+<script src="../../../js/glsl-conformance-test.js"></script>
+<title></title>
+</head>
+<body>
+<div id="description"></div>
+<div id="console"></div>
+<script id="fragmentShader" type="text/something-not-javascript">
+precision mediump float;
+void main() {
+ struct S {
+ $(type) field;
+ };
+ S s1[2], s2;
+ $(var).field = $(initializer);
+ gl_FragColor = $(asVec4);
+}
+</script>
+<script>
+"use strict";
+description("Verifies that mixed (array vs. not array) struct declarators work correctly.");
+var tests = [];
+var wtu = WebGLTestUtils;
+var typeInfos = [
+ { type: 'float', initializer: '1.0', asVec4: 'vec4(0.0,$(var).field,0.0,1.0)' },
+ { type: 'vec2', initializer: 'vec2(0.0, 1.0)', asVec4: 'vec4($(var).field,0.0,1.0)' },
+ { type: 'vec3', initializer: 'vec3(0.0, 1.0, 0.0)', asVec4: 'vec4($(var).field,1.0)' },
+ { type: 'vec4', initializer: 'vec4(0.0, 1.0, 0.0, 1.0)', asVec4: '$(var).field' },
+ { type: 'int', initializer: '1', asVec4: 'vec4(0.0,$(var).field,0.0,1.0)' },
+ { type: 'ivec2', initializer: 'ivec2(0, 1)', asVec4: 'vec4($(var).field,0.0,1.0)' },
+ { type: 'ivec3', initializer: 'ivec3(0, 1, 0)', asVec4: 'vec4($(var).field,1.0)' },
+ { type: 'ivec4', initializer: 'ivec4(0, 1, 0, 1)', asVec4: 'vec4($(var).field)' },
+ { type: 'bool', initializer: 'true', asVec4: 'vec4(0.0,$(var).field,0.0,1.0)' },
+ { type: 'bvec2', initializer: 'bvec2(false, true)', asVec4: 'vec4($(var).field,0.0,1.0)' },
+ { type: 'bvec3', initializer: 'bvec3(false, true, false)', asVec4: 'vec4($(var).field,1.0)' },
+ { type: 'bvec4', initializer: 'bvec4(false,true,false,true)',asVec4: 'vec4($(var).field)' },
+];
+['s1[0]', 's1[1]', 's2'].forEach(function(varName) {
+ typeInfos.forEach(function (typeInfo) {
+ var replaceParams = {
+ type: typeInfo.type,
+ initializer: typeInfo.initializer,
+ var: varName,
+ asVec4: wtu.replaceParams(typeInfo.asVec4, {var: varName})
+ };
+ tests.push({
+ fShaderSource: wtu.replaceParams(wtu.getScript('fragmentShader'), replaceParams),
+ passMsg: typeInfo.type,
+ fShaderSuccess: true,
+ linkSuccess: true,
+ render:true
+ });
+ });
+});
+GLSLConformanceTester.runTests(tests);
+var successfullyParsed = true;
+</script>
+</body>
+</html>