Magic-Mirror/gecko-dev
1
0
Fork 0
mirror of https://github.com/mozilla/gecko-dev.git synced 2024-10-23 10:15:41 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Bug 1288799 - Add a hook to run a custom onload function in APZ group subtests, and a helper to inject scripts into documents. r=botond

Browse Source 
MozReview-Commit-ID: CpNBgSMRIgU
This commit is contained in:
Kartikaya Gupta 2016-07-29 14:27:39 -04:00
parent a74193fa22
commit 42160174c0
1 changed files with 34 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

34
gfx/layers/apz/test/mochitest/apz_test_utils.js
View File

@ -164,10 +164,14 @@ function waitForApzFlushedRepaints(aCallback) {
// prefs: optional, an array of arrays containing key-value prefs to set.
// dp_suppression: optional, a boolean on whether or not to respect displayport
// suppression during the test.
// onload: optional, a function that will be registered as a load event listener
// for the child window that will hold the subtest. the function will be
// passed exactly one argument, which will be the child window.
// An example of an array is:
// aSubtests = [
// { 'file': 'test_file_name.html' },
// { 'file': 'test_file_2.html', 'prefs': [['pref.name', true], ['other.pref', 1000]], 'dp_suppression': false }
// { 'file': 'file_3.html', 'onload': function(w) { w.subtestDone(); } }
// ];
//
// Each subtest should call the subtestDone() function when it is done, to
@ -225,6 +229,9 @@ function runSubtestsSeriallyInFreshWindows(aSubtests) {
w.SimpleTest = SimpleTest;
w.is = function(a, b, msg) { return is(a, b, aFile + " | " + msg); };
w.ok = function(cond, name, diag) { return ok(cond, aFile + " | " + name, diag); };
if (test.onload) {
w.addEventListener('load', function(e) { test.onload(w); }, { once: true });
}
w.location = location.href.substring(0, location.href.lastIndexOf('/') + 1) + aFile;
return w;
}
@ -367,3 +374,30 @@ function getQueryArgs() {
}
return args;
}
// Return a function that returns a promise to create a script element with the
// given URI and append it to the head of the document in the given window.
// As with runContinuation(), the extra function wrapper is for convenience
// at the call site, so that this can be chained with other promises:
// waitUntilApzStable().then(injectScript('foo'))
// .then(injectScript('bar'));
// If you want to do the injection right away, run the function returned by
// this function:
// injectScript('foo')();
function injectScript(aScript, aWindow = window) {
return function() {
return new Promise(function(resolve, reject) {
var e = aWindow.document.createElement('script');
e.type = 'text/javascript';
e.onload = function() {
resolve();
};
e.onerror = function() {
dump('Script [' + aScript + '] errored out\n');
reject();
};
e.src = aScript;
aWindow.document.getElementsByTagName('head')[0].appendChild(e);
});
};
}