Add m-esr52 at 52.6.0

1 files changed, 102 insertions, 0 deletions

diff --git a/dom/base/test/browser_messagemanager_unload.js b/dom/base/test/browser_messagemanager_unload.js
new file mode 100644
index 000000000..413e38493
--- /dev/null
+++ b/dom/base/test/browser_messagemanager_unload.js
@@ -0,0 +1,102 @@
+function frameScript()
+{
+  Components.utils.import("resource://gre/modules/Services.jsm");
+
+  function eventHandler(e) {
+    if (!docShell) {
+      sendAsyncMessage("Test:Fail", "docShell is null");
+    }
+
+    sendAsyncMessage("Test:Event", [e.type, e.target === content.document, e.eventPhase]);
+  }
+
+  let outerID = content.QueryInterface(Components.interfaces.nsIInterfaceRequestor).
+        getInterface(Components.interfaces.nsIDOMWindowUtils).outerWindowID;
+  function onOuterWindowDestroyed(subject, topic, data) {
+    if (docShell) {
+      sendAsyncMessage("Test:Fail", "docShell is non-null");
+    }
+
+    let id = subject.QueryInterface(Components.interfaces.nsISupportsPRUint64).data;
+    sendAsyncMessage("Test:Event", ["outer-window-destroyed", id == outerID]);
+    if (id == outerID) {
+      Services.obs.removeObserver(onOuterWindowDestroyed, "outer-window-destroyed");
+    }
+  }
+
+  let url = "https://example.com/browser/dom/base/test/file_messagemanager_unload.html";
+
+  content.location = url;
+  addEventListener("load", (e) => {
+    if (e.target.location != url) {
+      return;
+    }
+
+    addEventListener("unload", eventHandler, false);
+    addEventListener("unload", eventHandler, true);
+    addEventListener("pagehide", eventHandler, false);
+    addEventListener("pagehide", eventHandler, true);
+    Services.obs.addObserver(onOuterWindowDestroyed, "outer-window-destroyed", false);
+
+    sendAsyncMessage("Test:Ready");
+  }, true);
+}
+
+const EXPECTED = [
+  // Unload events on the TabChildGlobal. These come first so that the
+  // docshell is available.
+  ["unload", false, 2],
+  ["unload", false, 2],
+
+  // pagehide and unload events for the top-level page.
+  ["pagehide", true, 1],
+  ["pagehide", true, 3],
+  ["unload", true, 1],
+
+  // pagehide and unload events for the iframe.
+  ["pagehide", false, 1],
+  ["pagehide", false, 3],
+  ["unload", false, 1],
+
+  // outer-window-destroyed for both pages.
+  ["outer-window-destroyed", false],
+  ["outer-window-destroyed", true],
+];
+
+function test() {
+  waitForExplicitFinish();
+
+  var newTab = gBrowser.addTab("about:blank");
+  gBrowser.selectedTab = newTab;
+
+  let browser = newTab.linkedBrowser;
+  let frameLoader = browser.frameLoader;
+  ok(frameLoader !== null, "frameLoader looks okay");
+
+  browser.messageManager.loadFrameScript("data:,(" + frameScript.toString() + ")()", false);
+
+  browser.messageManager.addMessageListener("Test:Fail", (msg) => {
+    ok(false, msg.data);
+  }, true);
+
+  let index = 0;
+  browser.messageManager.addMessageListener("Test:Event", (msg) => {
+    ok(msg.target === browser, "<browser> is correct");
+    ok(msg.targetFrameLoader === frameLoader, "frameLoader is correct");
+    ok(browser.frameLoader === null, "browser frameloader null during teardown");
+
+    info(JSON.stringify(msg.data));
+
+    is(JSON.stringify(msg.data), JSON.stringify(EXPECTED[index]), "results match");
+    index++;
+
+    if (index == EXPECTED.length) {
+      finish();
+    }
+  }, true);
+
+  browser.messageManager.addMessageListener("Test:Ready", () => {
+    info("Got ready message");
+    gBrowser.removeCurrentTab();
+  });
+}