undefined-index-should-not-crash.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

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<!DOCTYPE html>

<html>

<head>

<meta charset="utf-8">

<title>Bug - indexing with 'int()' should not crash</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>

<canvas id="example" width="40" height="40"> </canvas>

<div id="description"></div>

<div id="console"></div>

<script id="vshader" type="x-shader/x-vertex">

void main(){

  gl_Position = vec4(0.0, 0.0, 0.0, 1.0);

</script>

<script id="fshaderTest" type="x-shader/x-fragment">

precision mediump float;

uniform vec4 uniformVec;

uniform mat4 uniformMat;

uniform float uniformArray[4];

void main()

  vec4 tempVec = vec4(0.0);

  mat4 tempMat = mat4(0.0);

  float tempArray[4];

  gl_FragColor = vec4($(indexed)[int()]);

</script>

<script>

"use strict";

var wtu = WebGLTestUtils;

var fTestSource = wtu.getScript("fshaderTest");

var tests = [];

var indexedValues = ['tempVec', 'tempMat[0]', 'tempArray', 'uniformVec', 'uniformMat[0]', 'uniformArray'];

for (var i = 0; i < indexedValues.length; ++i) {

  var subs = {indexed: indexedValues[i]};

  tests.push({

    vShaderId: "vshader",

    vShaderSuccess: true,

    fShaderSource: wtu.replaceParams(fTestSource, subs),

    fShaderSuccess: false,

    linkSuccess: false,

    passMsg: "shader with invalid index expression int() should not compile",

});

GLSLConformanceTester.runTests(tests);

</script>

</body>

</html>