1 files changed, 58 insertions, 0 deletions
diff --git a/devtools/client/debugger/test/mochitest/browser_dbg_stack-04.js b/devtools/client/debugger/test/mochitest/browser_dbg_stack-04.js
new file mode 100644
index 000000000..808ec634e
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/browser_dbg_stack-04.js
@@ -0,0 +1,58 @@
+/* -*- 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/ */
+
+/**
+ * Test that stackframes are cleared after resume.
+ */
+
+const TAB_URL = EXAMPLE_URL + "doc_recursion-stack.html";
+
+var gTab, gPanel, gDebugger;
+var gFrames, gClassicFrames;
+
+function test() {
+  let options = {
+    source: TAB_URL,
+    line: 1
+  };
+  initDebugger(TAB_URL, options).then(([aTab,, aPanel]) => {
+    gTab = aTab;
+    gPanel = aPanel;
+    gDebugger = gPanel.panelWin;
+    gFrames = gDebugger.DebuggerView.StackFrames;
+    gClassicFrames = gDebugger.DebuggerView.StackFramesClassicList;
+
+    waitForCaretAndScopes(gPanel, 1).then(performTest);
+    callInTab(gTab, "evalCall");
+  });
+}
+
+function performTest() {
+  is(gDebugger.gThreadClient.state, "paused",
+    "Should only be getting stack frames while paused.");
+  is(gFrames.itemCount, 2,
+    "Should have two frames.");
+  is(gClassicFrames.itemCount, 2,
+    "Should also have two frames in the mirrored view.");
+
+  gDebugger.once(gDebugger.EVENTS.AFTER_FRAMES_CLEARED, () => {
+    is(gFrames.itemCount, 0,
+      "Should have no frames after resume.");
+    is(gClassicFrames.itemCount, 0,
+      "Should also have no frames in the mirrored view after resume.");
+
+    closeDebuggerAndFinish(gPanel);
+  }, true);
+
+  gDebugger.gThreadClient.resume();
+}
+
+registerCleanupFunction(function () {
+  gTab = null;
+  gPanel = null;
+  gDebugger = null;
+  gFrames = null;
+  gClassicFrames = null;
+});