1 files changed, 122 insertions, 0 deletions
diff --git a/browser/devtools/debugger/test/browser_dbg_select-line.js b/browser/devtools/debugger/test/browser_dbg_select-line.js
new file mode 100644
index 000000000..bb18ea651
--- /dev/null
+++ b/browser/devtools/debugger/test/browser_dbg_select-line.js
@@ -0,0 +1,122 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+/**
+ * Make sure that selecting a stack frame loads the right script in the editor
+ * pane and highlights the proper line.
+ */
+
+const TAB_URL = EXAMPLE_URL + "browser_dbg_script-switching.html";
+
+var gPane = null;
+var gTab = null;
+var gDebuggee = null;
+var gDebugger = null;
+var gSources = null;
+
+function test()
+{
+  let scriptShown = false;
+  let framesAdded = false;
+  let testStarted = false;
+  let resumed = false;
+
+  debug_tab_pane(TAB_URL, function(aTab, aDebuggee, aPane) {
+    gTab = aTab;
+    gDebuggee = aDebuggee;
+    gPane = aPane;
+    gDebugger = gPane.panelWin;
+    gSources = gDebugger.DebuggerView.Sources;
+    resumed = true;
+
+    gDebugger.addEventListener("Debugger:SourceShown", onScriptShown);
+
+    gDebugger.DebuggerController.activeThread.addOneTimeListener("framesadded", function() {
+      framesAdded = true;
+      executeSoon(startTest);
+    });
+
+    executeSoon(function() {
+      gDebuggee.firstCall();
+    });
+  });
+
+  function onScriptShown(aEvent) {
+    scriptShown = aEvent.detail.url.indexOf("-02.js") != -1;
+    executeSoon(startTest);
+  }
+
+  function startTest()
+  {
+    if (scriptShown && framesAdded && resumed && !testStarted) {
+      gDebugger.removeEventListener("Debugger:SourceShown", onScriptShown);
+      testStarted = true;
+      Services.tm.currentThread.dispatch({ run: testSelectLine }, 0);
+    }
+  }
+}
+
+function testSelectLine() {
+  is(gDebugger.DebuggerController.activeThread.state, "paused",
+    "Should only be getting stack frames while paused.");
+
+  is(gSources.itemCount, 2, "Found the expected number of scripts.");
+
+  ok(gDebugger.editor.getText().search(/debugger/) != -1,
+    "The correct script was loaded initially.");
+
+  // Yield control back to the event loop so that the debugger has a
+  // chance to highlight the proper line.
+  executeSoon(function() {
+    // getCaretPosition is 0-based.
+    is(gDebugger.editor.getCaretPosition().line, 5,
+       "The correct line is selected.");
+
+    gDebugger.editor.addEventListener(SourceEditor.EVENTS.TEXT_CHANGED, function onChange() {
+      // Wait for the actual text to be shown.
+      if (gDebugger.editor.getText() == gDebugger.L10N.getStr("loadingText")) {
+        return;
+      }
+      // The requested source text has been shown, remove the event listener.
+      gDebugger.editor.removeEventListener(SourceEditor.EVENTS.TEXT_CHANGED, onChange);
+
+      ok(gDebugger.editor.getText().search(/debugger/) == -1,
+        "The second script is no longer displayed.");
+
+      ok(gDebugger.editor.getText().search(/firstCall/) != -1,
+        "The first script is displayed.");
+
+      // Yield control back to the event loop so that the debugger has a
+      // chance to highlight the proper line.
+      executeSoon(function(){
+        // getCaretPosition is 0-based.
+        is(gDebugger.editor.getCaretPosition().line, 4,
+           "The correct line is selected.");
+
+        closeDebuggerAndFinish();
+      });
+    });
+
+    let frames = gDebugger.DebuggerView.StackFrames.widget._list;
+    let childNodes = frames.childNodes;
+
+    is(frames.querySelectorAll(".dbg-stackframe").length, 4,
+      "Should have two frames.");
+
+    is(childNodes.length, frames.querySelectorAll(".dbg-stackframe").length,
+      "All children should be frames.");
+
+    EventUtils.sendMouseEvent({ type: "mousedown" },
+      frames.querySelector("#stackframe-3"),
+      gDebugger);
+  });
+}
+
+registerCleanupFunction(function() {
+  removeTab(gTab);
+  gPane = null;
+  gTab = null;
+  gDebuggee = null;
+  gDebugger = null;
+  gSources = null;
+});