1 files changed, 95 insertions, 0 deletions
diff --git a/devtools/client/debugger/test/mochitest/browser_dbg_bfcache.js b/devtools/client/debugger/test/mochitest/browser_dbg_bfcache.js
new file mode 100644
index 000000000..8b3c9ca34
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/browser_dbg_bfcache.js
@@ -0,0 +1,95 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+/**
+ * Make sure that the debugger is updated with the correct sources when moving
+ * back and forward in the tab.
+ */
+
+const TAB_URL_1 = EXAMPLE_URL + "doc_script-switching-01.html";
+const TAB_URL_2 = EXAMPLE_URL + "doc_recursion-stack.html";
+
+var gTab, gDebuggee, gPanel, gDebugger;
+var gSources;
+
+const test = Task.async(function* () {
+  info("Starting browser_dbg_bfcache.js's `test`.");
+
+  let options = {
+    source: EXAMPLE_URL + "code_script-switching-01.js",
+    line: 1
+  };
+  ([gTab, gDebuggee, gPanel]) = yield initDebugger(TAB_URL_1, options);
+  gDebugger = gPanel.panelWin;
+  gSources = gDebugger.DebuggerView.Sources;
+
+  yield testFirstPage();
+  yield testLocationChange();
+  yield testBack();
+  yield testForward();
+  return closeDebuggerAndFinish(gPanel);
+});
+
+function testFirstPage() {
+  info("Testing first page.");
+
+  // Spin the event loop before causing the debuggee to pause, to allow
+  // this function to return first.
+  executeSoon(() => gDebuggee.firstCall());
+
+  return waitForSourceAndCaretAndScopes(gPanel, "-02.js", 1)
+    .then(validateFirstPage);
+}
+
+function testLocationChange() {
+  info("Navigating to a different page.");
+
+  return navigateActiveTabTo(gPanel,
+                             TAB_URL_2,
+                             gDebugger.EVENTS.SOURCES_ADDED)
+    .then(validateSecondPage);
+}
+
+function testBack() {
+  info("Going back.");
+
+  return navigateActiveTabInHistory(gPanel,
+                                    "back",
+                                    gDebugger.EVENTS.SOURCES_ADDED)
+    .then(validateFirstPage);
+}
+
+function testForward() {
+  info("Going forward.");
+
+  return navigateActiveTabInHistory(gPanel,
+                                    "forward",
+                                    gDebugger.EVENTS.SOURCES_ADDED)
+    .then(validateSecondPage);
+}
+
+function validateFirstPage() {
+  is(gSources.itemCount, 2,
+    "Found the expected number of sources.");
+  ok(gSources.getItemForAttachment(e => e.label == "code_script-switching-01.js"),
+    "Found the first source label.");
+  ok(gSources.getItemForAttachment(e => e.label == "code_script-switching-02.js"),
+    "Found the second source label.");
+}
+
+function validateSecondPage() {
+  is(gSources.itemCount, 1,
+    "Found the expected number of sources.");
+  ok(gSources.getItemForAttachment(e => e.label == "doc_recursion-stack.html"),
+    "Found the single source label.");
+}
+
+registerCleanupFunction(function () {
+  gTab = null;
+  gDebuggee = null;
+  gPanel = null;
+  gDebugger = null;
+  gSources = null;
+});