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Bug 742781 - Chrome mochitest for WEBGL_debug_renderer_info extension - r=bz

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This commit is contained in:
Benoit Jacob 2012-10-17 15:11:59 -04:00
parent d568e3410c
commit 525b627f70
4 changed files with 167 additions and 1 deletions
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2
content/canvas/test/Makefile.in
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@ -8,7 +8,7 @@ topsrcdir = @top_srcdir@
srcdir = @srcdir@
VPATH = @srcdir@
relativesrcdir = @relativesrcdir@
DIRS += webgl crossorigin
DIRS += webgl crossorigin chrome
# TEST_DIRS += compiled

19
content/canvas/test/chrome/Makefile.in Normal file
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@ -0,0 +1,19 @@
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
DEPTH = @DEPTH@
topsrcdir = @top_srcdir@
srcdir = @srcdir@
VPATH = @srcdir@
relativesrcdir = @relativesrcdir@
include $(DEPTH)/config/autoconf.mk
MOCHITEST_CHROME_FILES = \
test_webgl_debug_renderer_info.html \
nonchrome_webgl_debug_renderer_info.html \
$(NULL)
include $(topsrcdir)/config/rules.mk

57
content/canvas/test/chrome/nonchrome_webgl_debug_renderer_info.html Normal file
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@ -0,0 +1,57 @@
<!DOCTYPE HTML>
<html>
<script>
// This file has the portion of the test_webgl_renderer_info chrome mochitest
// that has to run as non-chrome to check that this WebGL extension is not exposed to content
// we can't call the chrome Mochitest ok() function ourselves from non-chrome code.
// So we remote it to the chrome test.
function ok(res, msg) {
// Note we post to ourselves as posting to the chrome code doesn't seem to work here.
// This works by having the chrome code put an event handler on our own window.
window.postMessage({ subTestFinished: true, result: res, message: msg }, "*");
}
function messageListener(e) {
// This is how the chrome test tells us to start running -- we have to wait for this
// message to avoid running before it's set up its event handler.
if (e.data == "run") {
run();
}
}
window.addEventListener("message", messageListener, true);
function run() {
const UNMASKED_VENDOR_WEBGL = 0x9245;
const UNMASKED_RENDERER_WEBGL = 0x9246;
var canvas = document.createElement("canvas");
var gl = canvas.getContext("experimental-webgl");
ok(!gl.getError(), "getError on newly created WebGL context should return NO_ERROR");
ok(!gl.getParameter(UNMASKED_VENDOR_WEBGL) && gl.getError() == gl.INVALID_ENUM,
"Should not be able to query UNMASKED_VENDOR_WEBGL without having enabled the WEBGL_debug_renderer_info extension");
ok(!gl.getParameter(UNMASKED_RENDERER_WEBGL) && gl.getError() == gl.INVALID_ENUM,
"Should not be able to query UNMASKED_RENDERER_WEBGL without having enabled the WEBGL_debug_renderer_info extension");
var exts = gl.getSupportedExtensions();
ok(exts.indexOf("WEBGL_debug_renderer_info") == -1,
"WEBGL_debug_renderer_info should not be listed by getSupportedExtensions in non-chrome contexts");
var debugRendererInfoExtension = gl.getExtension("WEBGL_debug_renderer_info");
ok(!debugRendererInfoExtension,
"WEBGL_debug_renderer_info should not be available through getExtension in non-chrome contexts");
ok(!gl.getParameter(UNMASKED_VENDOR_WEBGL) && gl.getError() == gl.INVALID_ENUM,
"Should not be able to query UNMASKED_VENDOR_WEBGL if enabling WEBGL_debug_renderer_info failed");
ok(!gl.getParameter(UNMASKED_RENDERER_WEBGL) && gl.getError() == gl.INVALID_ENUM,
"Should not be able to query UNMASKED_RENDERER_WEBGL if enabling WEBGL_debug_renderer_info failed");
window.postMessage({allTestsFinished: true}, "*");
}
</script>
</html>

90
content/canvas/test/chrome/test_webgl_debug_renderer_info.html Normal file
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@ -0,0 +1,90 @@
<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=666446
-->
<head>
<title>Test for WEBGL_debug_renderer_info chrome-only extension</title>
<script type="application/javascript" src="chrome://mochikit/content/MochiKit/packed.js"></script>
<script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css" />
</head>
<body>
<pre id="test">
<script>
const UNMASKED_VENDOR_WEBGL = 0x9245;
const UNMASKED_RENDERER_WEBGL = 0x9246;
function isNonEmptyString(s)
{
return s && (typeof s) == "string";
}
function messageListener(e) {
if (e.data.allTestsFinished) {
SimpleTest.finish();
} else if (e.data.subTestFinished) {
ok(e.data.result, "content iframe: " + e.data.message);
}
}
function checkChromeCase(canvas) {
var gl = canvas.getContext("experimental-webgl");
ok(!gl.getError(), "getError on newly created WebGL context should return NO_ERROR");
ok(!gl.getParameter(UNMASKED_VENDOR_WEBGL) && gl.getError() == gl.INVALID_ENUM,
"Should not be able to query UNMASKED_VENDOR_WEBGL without having enabled the WEBGL_debug_renderer_info extension");
ok(!gl.getParameter(UNMASKED_RENDERER_WEBGL) && gl.getError() == gl.INVALID_ENUM,
"Should not be able to query UNMASKED_RENDERER_WEBGL without having enabled the WEBGL_debug_renderer_info extension");
var exts = gl.getSupportedExtensions();
ok(exts.indexOf("WEBGL_debug_renderer_info") != -1,
"WEBGL_debug_renderer_info should be listed by getSupportedExtensions in chrome contexts");
var debugRendererInfoExtension = gl.getExtension("WEBGL_debug_renderer_info");
ok(debugRendererInfoExtension,
"WEBGL_debug_renderer_info should be available through getExtension in chrome contexts");
ok(debugRendererInfoExtension.UNMASKED_VENDOR_WEBGL == UNMASKED_VENDOR_WEBGL,
"UNMASKED_VENDOR_WEBGL has the correct value");
ok(debugRendererInfoExtension.UNMASKED_RENDERER_WEBGL == UNMASKED_RENDERER_WEBGL,
"UNMASKED_RENDERER_WEBGL has the correct value");
ok(isNonEmptyString(gl.getParameter(UNMASKED_VENDOR_WEBGL)) && gl.getError() == gl.NO_ERROR,
"Should be able to query UNMASKED_VENDOR_WEBGL in chrome context with WEBGL_debug_renderer_info enabled");
ok(isNonEmptyString(gl.getParameter(UNMASKED_RENDERER_WEBGL)) && gl.getError() == gl.NO_ERROR,
"Should be able to query UNMASKED_RENDERER_WEBGL in chrome context with WEBGL_debug_renderer_info enabled");
}
function main()
{
SimpleTest.waitForExplicitFinish();
checkChromeCase(document.createElement("canvas"));
// Now run the non-chrome code to verify the security of this WebGL chrome-only extension.
var iframe = document.createElement("iframe");
iframe.src = "http://mochi.test:8888/chrome/content/canvas/test/chrome/nonchrome_webgl_debug_renderer_info.html";
iframe.onload = function () {
// test that chrome can get WEBGL_debug_renderer_info on a canvas on the iframe...
// this is useful to check in itself, and is also useful so the subsequent non-chrome test
// will also test that doing so doesn't confuse our chrome-only check.
checkChromeCase(iframe.contentDocument.createElement("canvas"));
iframe.contentWindow.addEventListener("message", messageListener, false);
iframe.contentWindow.postMessage("run", "*");
};
document.body.appendChild(iframe);
}
window.onload = main;
</script>
</pre>
</body>
</html>