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Copyright (c) 2019 The Khronos Group Inc.
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Sequence operator returns constant test</title>
<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>
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<body>
<div id="description"></div>
<div id="console"></div>
<script id="fshader-const-expression" type="x-shader/x-fragment">
precision mediump float;
void main()
{
  // RHS should be a constant expression (a compile-time constants) stated in section 4.3.2 from GLESSL 1.0.17
  const float a = (0.0, 1.0);
}
</script>
<script id="fshader-non-const-expression" type="x-shader/x-fragment">
precision mediump float;
void main()
{
  float a[(2, 3)];
}
</script>
<script>
"use strict";
description("Checks sequence operators returning constants and can be used as an array size.");

var wtu = WebGLTestUtils;
var gl = wtu.create3DContext();

GLSLConformanceTester.runTests([
{ fShaderId: 'fshader-const-expression',
  fShaderSuccess: true,
  linkSuccess: true,
  passMsg: "Sequence operator can return a constant expression",
},
{ fShaderId: 'fshader-non-const-expression',
  fShaderSuccess: true,
  linkSuccess: true,
  passMsg: "Sequence operator return value can be used as array size",
},
]);

debug("");
var successfullyParsed = true;
</script>
</body>
</html>
