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logic-inside-block-without-braces.html (2114B)

      1 <!--
      2 Copyright (c) 2019 The Khronos Group Inc.
      3 Use of this source code is governed by an MIT-style license that can be
      4 found in the LICENSE.txt file.
      5 -->
      6 
      7 <!DOCTYPE html>
      8 <html>
      9 <head>
     10 <meta charset="utf-8">
     11 <title>Short-circuiting logic operator with side effects inside if statement without braces should work</title>
     12 <link rel="stylesheet" href="../../../resources/js-test-style.css"/>
     13 <script src="../../../js/js-test-pre.js"></script>
     14 <script src="../../../js/webgl-test-utils.js"></script>
     15 <script src="../../../js/glsl-conformance-test.js"></script>
     16 </head>
     17 <body>
     18 <div id="description"></div>
     19 <div id="console"></div>
     20 <script id="fshaderIf" type="x-shader/x-fragment">
     21 precision mediump float;
     22 uniform bool uFalse;
     23 
     24 float wrong = 0.0;
     25 
     26 bool foo() {
     27    wrong += 1.0;
     28    return !uFalse;
     29 }
     30 
     31 bool bar() {
     32    return !uFalse;
     33 }
     34 
     35 void main() {
     36    // No braces here - that can affect whether the contents of the if get parsed as a block or a statement.
     37    if (uFalse)
     38        foo() && bar();
     39    gl_FragColor = vec4(0.0, 1.0 - wrong, 0.0, 1.0);
     40 }
     41 </script>
     42 <script id="fshaderFor" type="x-shader/x-fragment">
     43 precision mediump float;
     44 
     45 float wrong = 0.0;
     46 
     47 bool foo() {
     48    wrong += 1.0;
     49    return false;
     50 }
     51 
     52 bool bar() {
     53    return false;
     54 }
     55 
     56 void main() {
     57    // No braces here - that can affect whether the contents of the for get parsed as a block or a statement.
     58    for (int i = 0; i < 0; ++i)
     59        foo() && bar();
     60    gl_FragColor = vec4(0.0, 1.0 - wrong, 0.0, 1.0);
     61 }
     62 </script>
     63 <script type="application/javascript">
     64 "use strict";
     65 description("Short-circuiting logic operator with side effects inside if/for statement without braces should work.");
     66 debug("");
     67 
     68 GLSLConformanceTester.runRenderTests([
     69 {
     70  fShaderId: 'fshaderIf',
     71  fShaderSuccess: true,
     72  linkSuccess: true,
     73  passMsg: 'Short-circuiting operator inside if statement without braces',
     74  uniforms: [{name: "uFalse", functionName: "uniform1i", value: 0}]
     75 },
     76 {
     77  fShaderId: 'fshaderFor',
     78  fShaderSuccess: true,
     79  linkSuccess: true,
     80  passMsg: 'Short-circuiting operator inside for statement without braces'
     81 }
     82 ]);
     83 </script>
     84 </body>
     85 </html>