1 files changed, 75 insertions, 0 deletions
diff --git a/browser/base/content/test/general/browser_pinnedTabs.js b/browser/base/content/test/general/browser_pinnedTabs.js
new file mode 100644
index 000000000..e0ddb5072
--- /dev/null
+++ b/browser/base/content/test/general/browser_pinnedTabs.js
@@ -0,0 +1,75 @@
+var tabs;
+
+function index(tab) {
+  return Array.indexOf(gBrowser.tabs, tab);
+}
+
+function indexTest(tab, expectedIndex, msg) {
+  var diag = "tab " + tab + " should be at index " + expectedIndex;
+  if (msg)
+    msg = msg + " (" + diag + ")";
+  else
+    msg = diag;
+  is(index(tabs[tab]), expectedIndex, msg);
+}
+
+function PinUnpinHandler(tab, eventName) {
+  this.eventCount = 0;
+  var self = this;
+  tab.addEventListener(eventName, function() {
+    tab.removeEventListener(eventName, arguments.callee, true);
+
+    self.eventCount++;
+  }, true);
+  gBrowser.tabContainer.addEventListener(eventName, function(e) {
+    gBrowser.tabContainer.removeEventListener(eventName, arguments.callee, true);
+
+    if (e.originalTarget == tab) {
+      self.eventCount++;
+    }
+  }, true);
+}
+
+function test() {
+  tabs = [gBrowser.selectedTab, gBrowser.addTab(), gBrowser.addTab(), gBrowser.addTab()];
+  indexTest(0, 0);
+  indexTest(1, 1);
+  indexTest(2, 2);
+  indexTest(3, 3);
+
+  var eh = new PinUnpinHandler(tabs[3], "TabPinned");
+  gBrowser.pinTab(tabs[3]);
+  is(eh.eventCount, 2, "TabPinned event should be fired");
+  indexTest(0, 1);
+  indexTest(1, 2);
+  indexTest(2, 3);
+  indexTest(3, 0);
+
+  eh = new PinUnpinHandler(tabs[1], "TabPinned");
+  gBrowser.pinTab(tabs[1]);
+  is(eh.eventCount, 2, "TabPinned event should be fired");
+  indexTest(0, 2);
+  indexTest(1, 1);
+  indexTest(2, 3);
+  indexTest(3, 0);
+
+  gBrowser.moveTabTo(tabs[3], 3);
+  indexTest(3, 1, "shouldn't be able to mix a pinned tab into normal tabs");
+
+  gBrowser.moveTabTo(tabs[2], 0);
+  indexTest(2, 2, "shouldn't be able to mix a normal tab into pinned tabs");
+
+  eh = new PinUnpinHandler(tabs[1], "TabUnpinned");
+  gBrowser.unpinTab(tabs[1]);
+  is(eh.eventCount, 2, "TabUnpinned event should be fired");
+  indexTest(1, 1, "unpinning a tab should move a tab to the start of normal tabs");
+
+  eh = new PinUnpinHandler(tabs[3], "TabUnpinned");
+  gBrowser.unpinTab(tabs[3]);
+  is(eh.eventCount, 2, "TabUnpinned event should be fired");
+  indexTest(3, 0, "unpinning a tab should move a tab to the start of normal tabs");
+
+  gBrowser.removeTab(tabs[1]);
+  gBrowser.removeTab(tabs[2]);
+  gBrowser.removeTab(tabs[3]);
+}