1 files changed, 88 insertions, 0 deletions
diff --git a/toolkit/mozapps/webextensions/test/browser/browser_bug562899.js b/toolkit/mozapps/webextensions/test/browser/browser_bug562899.js
new file mode 100644
index 000000000..9807be98f
--- /dev/null
+++ b/toolkit/mozapps/webextensions/test/browser/browser_bug562899.js
@@ -0,0 +1,88 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ */
+
+// Simulates quickly switching between different list views to verify that only
+// the last selected is displayed
+
+var tempScope = {};
+Components.utils.import("resource://gre/modules/LightweightThemeManager.jsm", tempScope);
+var LightweightThemeManager = tempScope.LightweightThemeManager;
+
+const xpi = "browser/toolkit/mozapps/extensions/test/browser/browser_installssl.xpi";
+
+var gManagerWindow;
+var gCategoryUtilities;
+
+function test() {
+  waitForExplicitFinish();
+
+  // Add a lightweight theme so at least one theme exists
+  LightweightThemeManager.currentTheme = {
+    id: "test",
+    name: "Test lightweight theme",
+    headerURL: "http://example.com/header.png"
+  };
+
+  open_manager(null, function(aWindow) {
+    gManagerWindow = aWindow;
+    gCategoryUtilities = new CategoryUtilities(gManagerWindow);
+    run_next_test();
+  });
+}
+
+function end_test() {
+  close_manager(gManagerWindow, function() {
+    LightweightThemeManager.forgetUsedTheme("test");
+    finish();
+  });
+}
+
+// Tests that loading a second view before the first has not finished loading
+// does not merge the results
+add_test(function() {
+  var themeCount = null;
+  var pluginCount = null;
+  var themeItem = gCategoryUtilities.get("theme");
+  var pluginItem = gCategoryUtilities.get("plugin");
+  var list = gManagerWindow.document.getElementById("addon-list");
+
+  gCategoryUtilities.open(themeItem, function() {
+    themeCount = list.childNodes.length;
+    ok(themeCount > 0, "Test is useless if there are no themes");
+
+    gCategoryUtilities.open(pluginItem, function() {
+      pluginCount = list.childNodes.length;
+      ok(pluginCount > 0, "Test is useless if there are no plugins");
+
+      gCategoryUtilities.open(themeItem);
+
+      gCategoryUtilities.open(pluginItem, function() {
+        is(list.childNodes.length, pluginCount, "Should only see the plugins");
+
+        var item = list.firstChild;
+        while (item) {
+          is(item.getAttribute("type"), "plugin", "All items should be plugins");
+          item = item.nextSibling;
+        }
+
+        // Tests that switching to, from, to the same pane in quick succession
+        // still only shows the right number of results
+
+        gCategoryUtilities.open(themeItem);
+        gCategoryUtilities.open(pluginItem);
+        gCategoryUtilities.open(themeItem, function() {
+          is(list.childNodes.length, themeCount, "Should only see the theme");
+
+          var item = list.firstChild;
+          while (item) {
+            is(item.getAttribute("type"), "theme", "All items should be theme");
+            item = item.nextSibling;
+          }
+
+          run_next_test();
+        });
+      });
+    });
+  });
+});