content/canvas/test/chrome/nonchrome_webgl_debug_renderer_info.html@6474c204b198 (annotated)
content/canvas/test/chrome/nonchrome_webgl_debug_renderer_info.html
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | <!DOCTYPE HTML> |
| michael@0 | 2 | <html> |
| michael@0 | 3 | <script> |
| michael@0 | 4 | |
| michael@0 | 5 | // This file has the portion of the test_webgl_renderer_info chrome mochitest |
| michael@0 | 6 | // that has to run as non-chrome to check that this WebGL extension is not exposed to content |
| michael@0 | 7 | |
| michael@0 | 8 | // we can't call the chrome Mochitest ok() function ourselves from non-chrome code. |
| michael@0 | 9 | // So we remote it to the chrome test. |
| michael@0 | 10 | |
| michael@0 | 11 | function ok(res, msg) { |
| michael@0 | 12 | // Note we post to ourselves as posting to the chrome code doesn't seem to work here. |
| michael@0 | 13 | // This works by having the chrome code put an event handler on our own window. |
| michael@0 | 14 | window.postMessage({ subTestFinished: true, result: res, message: msg }, "*"); |
| michael@0 | 15 | } |
| michael@0 | 16 | |
| michael@0 | 17 | function messageListener(e) { |
| michael@0 | 18 | // This is how the chrome test tells us to start running -- we have to wait for this |
| michael@0 | 19 | // message to avoid running before it's set up its event handler. |
| michael@0 | 20 | if (e.data == "run") { |
| michael@0 | 21 | run(); |
| michael@0 | 22 | } |
| michael@0 | 23 | } |
| michael@0 | 24 | |
| michael@0 | 25 | window.addEventListener("message", messageListener, true); |
| michael@0 | 26 | |
| michael@0 | 27 | function run() { |
| michael@0 | 28 | const UNMASKED_VENDOR_WEBGL = 0x9245; |
| michael@0 | 29 | const UNMASKED_RENDERER_WEBGL = 0x9246; |
| michael@0 | 30 | |
| michael@0 | 31 | var canvas = document.createElement("canvas"); |
| michael@0 | 32 | var gl = canvas.getContext("experimental-webgl"); |
| michael@0 | 33 | |
| michael@0 | 34 | ok(!gl.getError(), "getError on newly created WebGL context should return NO_ERROR"); |
| michael@0 | 35 | |
| michael@0 | 36 | ok(!gl.getParameter(UNMASKED_VENDOR_WEBGL) && gl.getError() == gl.INVALID_ENUM, |
| michael@0 | 37 | "Should not be able to query UNMASKED_VENDOR_WEBGL without having enabled the WEBGL_debug_renderer_info extension"); |
| michael@0 | 38 | ok(!gl.getParameter(UNMASKED_RENDERER_WEBGL) && gl.getError() == gl.INVALID_ENUM, |
| michael@0 | 39 | "Should not be able to query UNMASKED_RENDERER_WEBGL without having enabled the WEBGL_debug_renderer_info extension"); |
| michael@0 | 40 | |
| michael@0 | 41 | var exts = gl.getSupportedExtensions(); |
| michael@0 | 42 | ok(exts.indexOf("WEBGL_debug_renderer_info") == -1, |
| michael@0 | 43 | "WEBGL_debug_renderer_info should not be listed by getSupportedExtensions in non-chrome contexts"); |
| michael@0 | 44 | var debugRendererInfoExtension = gl.getExtension("WEBGL_debug_renderer_info"); |
| michael@0 | 45 | ok(!debugRendererInfoExtension, |
| michael@0 | 46 | "WEBGL_debug_renderer_info should not be available through getExtension in non-chrome contexts"); |
| michael@0 | 47 | |
| michael@0 | 48 | ok(!gl.getParameter(UNMASKED_VENDOR_WEBGL) && gl.getError() == gl.INVALID_ENUM, |
| michael@0 | 49 | "Should not be able to query UNMASKED_VENDOR_WEBGL if enabling WEBGL_debug_renderer_info failed"); |
| michael@0 | 50 | ok(!gl.getParameter(UNMASKED_RENDERER_WEBGL) && gl.getError() == gl.INVALID_ENUM, |
| michael@0 | 51 | "Should not be able to query UNMASKED_RENDERER_WEBGL if enabling WEBGL_debug_renderer_info failed"); |
| michael@0 | 52 | |
| michael@0 | 53 | window.postMessage({allTestsFinished: true}, "*"); |
| michael@0 | 54 | } |
| michael@0 | 55 | |
| michael@0 | 56 | </script> |
| michael@0 | 57 | </html> |
