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Unified Diff: LayoutTests/fast/events/event-isolated-world.html

Issue 17063016: Remove leak of objects between isolated worlds on custom events. (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master
Patch Set: Minor rebase nits. Created 7 years, 5 months ago
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Index: LayoutTests/fast/events/event-isolated-world.html
diff --git a/LayoutTests/fast/events/event-isolated-world.html b/LayoutTests/fast/events/event-isolated-world.html
new file mode 100644
index 0000000000000000000000000000000000000000..396c706446dffba0588e0085b52f020ca39fa180
--- /dev/null
+++ b/LayoutTests/fast/events/event-isolated-world.html
@@ -0,0 +1,71 @@
+<!DOCTYPE html>
+<html>
+<head>
+<script src="../js/resources/js-test-pre.js"></script>
+</head>
+<body>
+<script>
+window.jsTestIsAsync = true;
+description("Tests that properties of various events do not leak between isolated worlds (bug 85158).");
+
+function addListener(eventType, prop) {
+ document.addEventListener(eventType, function(event) {
+ documentObject = event[prop];
+
+ // Object passed into isolated world should be undefined.
+ shouldBeNull("documentObject");
+
+ // The property defined in the isolated world should be undefined.
+ shouldBeUndefined("document.pageDefinedVar");
+
+ window.postMessage("done", "*");
+ });
+}
+
+function sendDocumentObject(eventType, prop) {
+ var newEvent = eval("new " + eventType + "('" + eventType + "', { " + prop + ": document })");
+ document.dispatchEvent(newEvent);
+}
+
+function runScript(eventType, prop) {
+ // Final string should have the form:
+ // document.pageDefinedVar = 1; (function sendDocumentObject(eventType, prop) {...})(...);
+ // When evaluated in the isolated world, should initiate the event with the
+ // document object as the specificed property value.
+ var script = "document.pageDefinedVar = 1; " +
+ "(" + sendDocumentObject.toString() + ")('" + eventType + "', '" + prop + "');";
+ addListener(eventType, prop);
+ testRunner.evaluateScriptInIsolatedWorld(1, script);
+}
+
+// Run the tests whenever a notification arrives, which indicates that the
+// previous test has finished.
+window.addEventListener("message", function(message) {
+ runNextTest();
+}, false);
+
+// The events that we want to test, with the properties that each one uses.
+var events = [
+ { eventType: "CustomEvent", prop: "detail" },
+ { eventType: "MessageEvent", prop: "data" },
+ { eventType: "PopStateEvent", prop: "state" }
+];
+
+function runNextTest () {
+ var evt = events.pop();
+ if (!evt) {
+ finishJSTest();
+ return;
+ }
+
+ runScript(evt.eventType, evt.prop);
+};
+
+// This test is meaningless without testRunner.
+if (window.testRunner) {
+ runNextTest();
+}
+</script>
+</body>
+<script src="../js/resources/js-test-post.js"></script>
+</html>

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