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-rw-r--r-- | dom/canvas/test/webgl-conf/checkout/conformance/misc/functions-returning-strings.html | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/misc/functions-returning-strings.html b/dom/canvas/test/webgl-conf/checkout/conformance/misc/functions-returning-strings.html new file mode 100644 index 0000000000..15e89e46f6 --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/misc/functions-returning-strings.html @@ -0,0 +1,104 @@ +<!-- +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>WebGL Conformance Tests</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/test-eval.js"></script> +</head> +<body> +<div id="description"></div> +<div id="console"></div> +<canvas id="canvas" width="2" height="2"> </canvas> +<script> +"use strict"; +description("Test that functions returning strings really do return strings (and not e.g. null)"); +debug(""); + +var validVertexShaderString = + "attribute vec4 aVertex; attribute vec4 aColor; varying vec4 vColor; void main() { vColor = aColor; gl_Position = aVertex; }"; +var validFragmentShaderString = + "precision mediump float; varying vec4 vColor; void main() { gl_FragColor = vColor; }"; + +function shouldReturnString(_a) +{ + var exception; + var _av; + try { + _av = TestEval(_a); + } catch (e) { + exception = e; + } + + if (exception) + testFailed(_a + ' should return a string. Threw exception ' + exception); + else if (typeof _av == "string") + testPassed(_a + ' returns a string'); + else + testFailed(_a + ' should return a string. Returns: "' + _av + '"'); +} + +var wtu = WebGLTestUtils; +var gl = wtu.create3DContext("canvas"); +if (!gl) { + testFailed("context does not exist"); +} else { + var vs = gl.createShader(gl.VERTEX_SHADER); + shouldReturnString("gl.getShaderSource(vs)"); + shouldReturnString("gl.getShaderInfoLog(vs)"); + gl.shaderSource(vs, validVertexShaderString); + gl.compileShader(vs); + shouldReturnString("gl.getShaderSource(vs)"); + shouldReturnString("gl.getShaderInfoLog(vs)"); + + var fs = gl.createShader(gl.FRAGMENT_SHADER); + shouldReturnString("gl.getShaderSource(fs)"); + shouldReturnString("gl.getShaderInfoLog(fs)"); + gl.shaderSource(fs, validFragmentShaderString); + gl.compileShader(fs); + shouldReturnString("gl.getShaderSource(fs)"); + shouldReturnString("gl.getShaderInfoLog(fs)"); + + var prog = gl.createProgram(); + shouldReturnString("gl.getProgramInfoLog(prog)"); + gl.attachShader(prog, vs); + gl.attachShader(prog, fs); + gl.linkProgram(prog); + shouldReturnString("gl.getProgramInfoLog(prog)"); + + // Make sure different numbers of extensions doesn't result in + // different test output. + var exts = gl.getSupportedExtensions(); + var allPassed = true; + for (var ii = 0; ii < exts.length; ++ii) { + var s = exts[ii]; + if (typeof s != "string") { + shouldReturnString("gl.getSupportedExtensions()[" + s + "]"); + allPassed = false; + } + } + if (allPassed) { + testPassed('getSupportedExtensions() returns an array of strings'); + } + + shouldReturnString("gl.getParameter(gl.VENDOR)"); + shouldReturnString("gl.getParameter(gl.RENDERER)"); + shouldReturnString("gl.getParameter(gl.VERSION)"); + shouldReturnString("gl.getParameter(gl.SHADING_LANGUAGE_VERSION)"); +} + +debug(""); +var successfullyParsed = true; + +</script> +<script src="../../js/js-test-post.js"></script> + +</body> +</html> |