Add m-esr52 at 52.6.0

1 files changed, 191 insertions, 0 deletions

diff --git a/browser/base/content/test/general/browser_bug678392.js b/browser/base/content/test/general/browser_bug678392.js
new file mode 100644
index 000000000..6aedeefdf
--- /dev/null
+++ b/browser/base/content/test/general/browser_bug678392.js
@@ -0,0 +1,191 @@
+/* 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/. */
+
+var HTTPROOT = "http://example.com/browser/browser/base/content/test/general/";
+
+function maxSnapshotOverride() {
+  return 5;
+}
+
+function test() {
+  waitForExplicitFinish();
+
+  BrowserOpenTab();
+  let tab = gBrowser.selectedTab;
+  registerCleanupFunction(function () { gBrowser.removeTab(tab); });
+
+  ok(gHistorySwipeAnimation, "gHistorySwipeAnimation exists.");
+
+  if (!gHistorySwipeAnimation._isSupported()) {
+    is(gHistorySwipeAnimation.active, false, "History swipe animation is not " +
+       "active when not supported by the platform.");
+    finish();
+    return;
+  }
+
+  gHistorySwipeAnimation._getMaxSnapshots = maxSnapshotOverride;
+  gHistorySwipeAnimation.init();
+
+  is(gHistorySwipeAnimation.active, true, "History swipe animation support " +
+     "was successfully initialized when supported.");
+
+  cleanupArray();
+  load(gBrowser.selectedTab, HTTPROOT + "browser_bug678392-2.html", test0);
+}
+
+function load(aTab, aUrl, aCallback) {
+  aTab.linkedBrowser.addEventListener("load", function onload(aEvent) {
+    aEvent.currentTarget.removeEventListener("load", onload, true);
+    waitForFocus(aCallback, content);
+  }, true);
+  aTab.linkedBrowser.loadURI(aUrl);
+}
+
+function cleanupArray() {
+  let arr = gHistorySwipeAnimation._trackedSnapshots;
+  while (arr.length > 0) {
+    delete arr[0].browser.snapshots[arr[0].index]; // delete actual snapshot
+    arr.splice(0, 1);
+  }
+}
+
+function testArrayCleanup() {
+  // Test cleanup of array of tracked snapshots.
+  let arr = gHistorySwipeAnimation._trackedSnapshots;
+  is(arr.length, 0, "Snapshots were removed correctly from the array of " +
+                    "tracked snapshots.");
+}
+
+function test0() {
+  // Test growing of array of tracked snapshots.
+  let tab = gBrowser.selectedTab;
+
+  load(tab, HTTPROOT + "browser_bug678392-1.html", function() {
+    ok(gHistorySwipeAnimation._trackedSnapshots, "Array for snapshot " +
+      "tracking is initialized.");
+    is(gHistorySwipeAnimation._trackedSnapshots.length, 1, "Snapshot array " +
+       "has correct length of 1 after loading one page.");
+    load(tab, HTTPROOT + "browser_bug678392-2.html", function() {
+      is(gHistorySwipeAnimation._trackedSnapshots.length, 2, "Snapshot array " +
+         " has correct length of 2 after loading two pages.");
+      load(tab, HTTPROOT + "browser_bug678392-1.html", function() {
+        is(gHistorySwipeAnimation._trackedSnapshots.length, 3, "Snapshot " +
+           "array has correct length of 3 after loading three pages.");
+        load(tab, HTTPROOT + "browser_bug678392-2.html", function() {
+          is(gHistorySwipeAnimation._trackedSnapshots.length, 4, "Snapshot " +
+             "array has correct length of 4 after loading four pages.");
+          cleanupArray();
+          testArrayCleanup();
+          test1();
+        });
+      });
+    });
+  });
+}
+
+function verifyRefRemoved(aIndex, aBrowser) {
+  let wasFound = false;
+  let arr = gHistorySwipeAnimation._trackedSnapshots;
+  for (let i = 0; i < arr.length; i++) {
+    if (arr[i].index == aIndex && arr[i].browser == aBrowser)
+      wasFound = true;
+  }
+  is(wasFound, false, "The reference that was previously removed was " +
+     "still found in the array of tracked snapshots.");
+}
+
+function test1() {
+  // Test presence of snpashots in per-tab array of snapshots and removal of
+  // individual snapshots (and corresponding references in the array of
+  // tracked snapshots).
+  let tab = gBrowser.selectedTab;
+
+  load(tab, HTTPROOT + "browser_bug678392-1.html", function() {
+    var historyIndex = gBrowser.webNavigation.sessionHistory.index - 1;
+    load(tab, HTTPROOT + "browser_bug678392-2.html", function() {
+      load(tab, HTTPROOT + "browser_bug678392-1.html", function() {
+        load(tab, HTTPROOT + "browser_bug678392-2.html", function() {
+          let browser = gBrowser.selectedBrowser;
+          ok(browser.snapshots, "Array of snapshots exists in browser.");
+          ok(browser.snapshots[historyIndex], "First page exists in snapshot " +
+                                              "array.");
+          ok(browser.snapshots[historyIndex + 1], "Second page exists in " +
+                                                  "snapshot array.");
+          ok(browser.snapshots[historyIndex + 2], "Third page exists in " +
+                                                  "snapshot array.");
+          ok(browser.snapshots[historyIndex + 3], "Fourth page exists in " +
+                                                  "snapshot array.");
+          is(gHistorySwipeAnimation._trackedSnapshots.length, 4, "Length of " +
+             "array of tracked snapshots is equal to 4 after loading four " +
+             "pages.");
+
+          // Test removal of reference in the middle of the array.
+          gHistorySwipeAnimation._removeTrackedSnapshot(historyIndex + 1,
+                                                        browser);
+          verifyRefRemoved(historyIndex + 1, browser);
+          is(gHistorySwipeAnimation._trackedSnapshots.length, 3, "Length of " +
+             "array of tracked snapshots is equal to 3 after removing one" +
+             "reference from the array with length 4.");
+
+          // Test removal of reference at end of array.
+          gHistorySwipeAnimation._removeTrackedSnapshot(historyIndex + 3,
+                                                        browser);
+          verifyRefRemoved(historyIndex + 3, browser);
+          is(gHistorySwipeAnimation._trackedSnapshots.length, 2, "Length of " +
+             "array of tracked snapshots is equal to 2 after removing two" +
+             "references from the array with length 4.");
+
+          // Test removal of reference at head of array.
+          gHistorySwipeAnimation._removeTrackedSnapshot(historyIndex,
+                                                        browser);
+          verifyRefRemoved(historyIndex, browser);
+          is(gHistorySwipeAnimation._trackedSnapshots.length, 1, "Length of " +
+             "array of tracked snapshots is equal to 1 after removing three" +
+             "references from the array with length 4.");
+
+          cleanupArray();
+          test2();
+        });
+      });
+    });
+  });
+}
+
+function test2() {
+  // Test growing of snapshot array across tabs.
+  let tab = gBrowser.selectedTab;
+
+  load(tab, HTTPROOT + "browser_bug678392-1.html", function() {
+    load(tab, HTTPROOT + "browser_bug678392-2.html", function() {
+      is(gHistorySwipeAnimation._trackedSnapshots.length, 2, "Length of " +
+         "snapshot array is equal to 2 after loading two pages");
+      let prevTab = tab;
+      tab = gBrowser.addTab("about:newtab");
+      gBrowser.selectedTab = tab;
+      load(tab, HTTPROOT + "browser_bug678392-2.html" /* initial page */,
+           function() {
+        load(tab, HTTPROOT + "browser_bug678392-1.html", function() {
+          load(tab, HTTPROOT + "browser_bug678392-2.html", function() {
+            is(gHistorySwipeAnimation._trackedSnapshots.length, 4, "Length " +
+               "of snapshot array is equal to 4 after loading two pages in " +
+               "two tabs each.");
+            gBrowser.removeCurrentTab();
+            gBrowser.selectedTab = prevTab;
+            cleanupArray();
+            test3();
+          });
+        });
+      });
+    });
+  });
+}
+
+function test3() {
+  // Test uninit of gHistorySwipeAnimation.
+  // This test MUST be the last one to execute.
+  gHistorySwipeAnimation.uninit();
+  is(gHistorySwipeAnimation.active, false, "History swipe animation support " +
+     "was successfully uninitialized");
+  finish();
+}