| /* |
| ** Copyright (c) 2012 The Khronos Group Inc. |
| ** |
| ** Permission is hereby granted, free of charge, to any person obtaining a |
| ** copy of this software and/or associated documentation files (the |
| ** "Materials"), to deal in the Materials without restriction, including |
| ** without limitation the rights to use, copy, modify, merge, publish, |
| ** distribute, sublicense, and/or sell copies of the Materials, and to |
| ** permit persons to whom the Materials are furnished to do so, subject to |
| ** the following conditions: |
| ** |
| ** The above copyright notice and this permission notice shall be included |
| ** in all copies or substantial portions of the Materials. |
| ** |
| ** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| ** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| ** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
| ** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY |
| ** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
| ** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
| ** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS. |
| */ |
| |
| function webglTestLog(msg) { |
| if (window.console && window.console.log) { |
| window.console.log(msg); |
| } |
| if (document.getElementById("console")) { |
| var log = document.getElementById("console"); |
| log.innerHTML += msg + "<br>"; |
| } |
| } |
| |
| function getGLErrorAsString(ctx, err) { |
| if (err === ctx.NO_ERROR) { |
| return "NO_ERROR"; |
| } |
| for (var name in ctx) { |
| if (ctx[name] === err) { |
| return name; |
| } |
| } |
| return "0x" + err.toString(16); |
| } |
| |
| // Pass undefined for glError to test that it at least throws some error |
| function shouldGenerateGLError(ctx, glErrors, evalStr) { |
| if (!glErrors.length) { |
| glErrors = [glErrors]; |
| } |
| var exception; |
| try { |
| eval(evalStr); |
| } catch (e) { |
| exception = e; |
| } |
| if (exception) { |
| testFailed(evalStr + " threw exception " + exception); |
| } else { |
| var err = ctx.getError(); |
| var errStrs = []; |
| for (var ii = 0; ii < glErrors.length; ++ii) { |
| errStrs.push(getGLErrorAsString(ctx, glErrors[ii])); |
| } |
| var expected = errStrs.join(" or "); |
| if (glErrors.indexOf(err) < 0) { |
| testFailed(evalStr + " expected: " + expected + ". Was " + getGLErrorAsString(ctx, err) + "."); |
| } else { |
| var msg = (glErrors.length == 1) ? " generated expected GL error: " : |
| " generated one of expected GL errors: "; |
| testPassed(evalStr + msg + expected + "."); |
| } |
| } |
| } |
| |
| /** |
| * Tests that the first error GL returns is the specified error. |
| * @param {!WebGLContext} gl The WebGLContext to use. |
| * @param {number|!Array.<number>} glError The expected gl |
| * error. Multiple errors can be passed in using an |
| * array. |
| * @param {string} opt_msg Optional additional message. |
| */ |
| function glErrorShouldBe(gl, glErrors, opt_msg) { |
| if (!glErrors.length) { |
| glErrors = [glErrors]; |
| } |
| opt_msg = opt_msg || ""; |
| var err = gl.getError(); |
| var ndx = glErrors.indexOf(err); |
| var errStrs = []; |
| for (var ii = 0; ii < glErrors.length; ++ii) { |
| errStrs.push(getGLErrorAsString(gl, glErrors[ii])); |
| } |
| var expected = errStrs.join(" or "); |
| if (ndx < 0) { |
| var msg = "getError expected" + ((glErrors.length > 1) ? " one of: " : ": "); |
| testFailed(msg + expected + ". Was " + getGLErrorAsString(gl, err) + " : " + opt_msg); |
| } else { |
| var msg = "getError was " + ((glErrors.length > 1) ? "one of: " : "expected value: "); |
| testPassed(msg + expected + " : " + opt_msg); |
| } |
| }; |
| |
| |
| |