<!--
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>Sequence operator returns non-constant 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>
<!--
Sequence operator and non-constant expressions are detailed in the ESSL 3.00 spec section 12.43
-->
<script id="fshader-non-const-expression" type="x-shader/x-fragment">#version 300 es
precision mediump float;

void main() {
    const float a = (0.0, 1.0);
}
</script>
<script id="fshader-non-const-expression-as-array-size" type="x-shader/x-fragment">#version 300 es
precision mediump float;

void main() {
    float a[(2, 3)];
}
</script>
<script type="application/javascript">
"use strict";
description("Checks sequence operators returning non-constants and cannot be used as an array size.");
debug("");

GLSLConformanceTester.runTests([
{
  fShaderId: 'fshader-non-const-expression',
  fShaderSuccess: false,
  linkSuccess: false,
  passMsg: 'Sequence operator cannot return a constant expression'
},
{
  fShaderId: 'fshader-non-const-expression-as-array-size',
  fShaderSuccess: false,
  linkSuccess: false,
  passMsg: 'Sequence operator return value cannot be used as an array size'
},
], 2);
</script>
</body>
</html>