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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>Short circuit in loop condition 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>
+<script src="../../js/glsl-conformance-test.js"></script>
+</head>
+<body>
+<div id="description"></div>
+<div id="console"></div>
+<script id="fshaderWhile" type="x-shader/x-fragment">#version 300 es
+precision mediump float;
+uniform bool u;
+out vec4 result;
+int sideEffectCounter;
+
+bool foo() {
+  ++sideEffectCounter;
+  return true;
+}
+
+void main() {
+  sideEffectCounter = 0;
+  int iterations = 0;
+
+  while(u && foo()) {
+    ++iterations;
+    if (iterations >= 10) {
+      break;
+    }
+  }
+
+  bool success = (u && sideEffectCounter == 10) || (!u && sideEffectCounter == 0);
+  result = success ? vec4(0, 1.0, 0, 1.0) : vec4(0, 1.0, 0, 0);
+}
+</script>
+<script id="fshaderForCondition" type="x-shader/x-fragment">#version 300 es
+precision mediump float;
+uniform bool u;
+out vec4 result;
+int sideEffectCounter;
+
+bool foo() {
+  ++sideEffectCounter;
+  return true;
+}
+
+void main() {
+  sideEffectCounter = 0;
+  for(int iterations = 0; u && foo();) {
+    ++iterations;
+    if (iterations >= 10) {
+      break;
+    }
+  }
+
+  bool success = (u && sideEffectCounter == 10) || (!u && sideEffectCounter == 0);
+  result = success ? vec4(0, 1.0, 0, 1.0) : vec4(0, 1.0, 0, 0);
+}
+</script>
+<script id="fshaderFor" type="x-shader/x-fragment">#version 300 es
+precision mediump float;
+uniform bool u;
+out vec4 result;
+int sideEffectCounter;
+
+bool foo() {
+  ++sideEffectCounter;
+  return true;
+}
+
+void main() {
+  sideEffectCounter = 0;
+  for(int iterations = 0; true; u && foo()) {
+    ++iterations;
+    if (iterations > 10) {
+      break;
+    }
+  }
+
+  bool success = (u && sideEffectCounter == 10) || (!u && sideEffectCounter == 0);
+  result = success ? vec4(0, 1.0, 0, 1.0) : vec4(0, 1.0, 0, 0);
+}
+</script>
+<script id="fshaderDoWhile" type="x-shader/x-fragment">#version 300 es
+precision mediump float;
+uniform bool u;
+out vec4 result;
+int sideEffectCounter;
+
+bool foo() {
+  ++sideEffectCounter;
+  return true;
+}
+
+void main() {
+  sideEffectCounter = 0;
+  int iterations = 0;
+
+  do {
+    ++iterations;
+    if (iterations > 10) {
+      break;
+    }
+  } while (u && foo());
+
+  bool success = (u && sideEffectCounter == 10) || (!u && sideEffectCounter == 0);
+  result = success ? vec4(0, 1.0, 0, 1.0) : vec4(0, 1.0, 0, 0);
+}
+</script>
+<script id="fshaderSequence" type="x-shader/x-fragment">#version 300 es
+precision mediump float;
+uniform bool u;
+out vec4 result;
+int sideEffectCounter;
+
+bool foo() {
+  ++sideEffectCounter;
+  return true;
+}
+
+void main() {
+  sideEffectCounter = 0;
+  int iterations = 0;
+
+  while(u, u && foo()) {
+    ++iterations;
+    if (iterations >= 10) {
+      break;
+    }
+  }
+
+  bool success = (u && sideEffectCounter == 10) || (!u && sideEffectCounter == 0);
+  result = success ? vec4(0, 1.0, 0, 1.0) : vec4(0, 1.0, 0, 0);
+}
+</script>
+<script type="text/javascript">
+"use strict";
+description("Test behavior of a short-circuiting operator in a loop using a function call with side effects");
+
+var testShaders = [
+  {fShaderId: 'fshaderWhile', description: 'in while loop condition'},
+  {fShaderId: 'fshaderForCondition', description: 'in for loop condition'},
+  {fShaderId: 'fshaderFor', description: 'in for loop expression'},
+  {fShaderId: 'fshaderDoWhile', description: 'in do-while loop condition'},
+  {fShaderId: 'fshaderSequence', description: 'inside a sequence in while loop condition'}
+];
+
+var testList = [];
+
+for (var i = 0; i < testShaders.length; ++i) {
+  testList.push({
+    fShaderId: testShaders[i].fShaderId,
+    fShaderSuccess: true,
+    linkSuccess: true,
+    passMsg: 'Short-circuiting operator with a true condition ' + testShaders[i].description,
+    uniforms: [{name: "u", functionName: "uniform1i", value: 1}]
+  });
+  testList.push({
+    fShaderId: testShaders[i].fShaderId,
+    fShaderSuccess: true,
+    linkSuccess: true,
+    passMsg: 'Short-circuiting operator with a false condition ' + testShaders[i].description,
+    uniforms: [{name: "u", functionName: "uniform1i", value: 0}]
+  });
+}
+
+GLSLConformanceTester.runRenderTests(testList, 2);
+</script>
+</body>
+</html>