1 files changed, 65 insertions, 0 deletions
diff --git a/devtools/client/canvasdebugger/test/browser_canvas-frontend-call-stack-03.js b/devtools/client/canvasdebugger/test/browser_canvas-frontend-call-stack-03.js
new file mode 100644
index 000000000..24780c566
--- /dev/null
+++ b/devtools/client/canvasdebugger/test/browser_canvas-frontend-call-stack-03.js
@@ -0,0 +1,65 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+/**
+ * Tests if the a function call's stack can be shown/hidden by double-clicking
+ * on a function call item.
+ */
+
+function* ifTestingSupported() {
+  let { target, panel } = yield initCanvasDebuggerFrontend(SIMPLE_CANVAS_DEEP_STACK_URL);
+  let { window, $, $all, EVENTS, SnapshotsListView, CallsListView } = panel.panelWin;
+
+  yield reload(target);
+
+  let recordingFinished = once(window, EVENTS.SNAPSHOT_RECORDING_FINISHED);
+  let callListPopulated = once(window, EVENTS.CALL_LIST_POPULATED);
+  SnapshotsListView._onRecordButtonClick();
+  yield promise.all([recordingFinished, callListPopulated]);
+
+  let callItem = CallsListView.getItemAtIndex(2);
+  let view = $(".call-item-view", callItem.target);
+  let contents = $(".call-item-contents", callItem.target);
+
+  is(view.hasAttribute("call-stack-populated"), false,
+    "The call item's view should not have the stack populated yet.");
+  is(view.hasAttribute("call-stack-expanded"), false,
+    "The call item's view should not have the stack populated yet.");
+  is($(".call-item-stack", callItem.target), null,
+    "There should be no stack container available yet for the draw call.");
+
+  let callStackDisplayed = once(window, EVENTS.CALL_STACK_DISPLAYED);
+  EventUtils.sendMouseEvent({ type: "dblclick" }, contents, window);
+  yield callStackDisplayed;
+
+  is(view.hasAttribute("call-stack-populated"), true,
+    "The call item's view should have the stack populated now.");
+  is(view.getAttribute("call-stack-expanded"), "true",
+    "The call item's view should have the stack expanded now.");
+  isnot($(".call-item-stack", callItem.target), null,
+    "There should be a stack container available now for the draw call.");
+  is($(".call-item-stack", callItem.target).hidden, false,
+    "The stack container should now be visible.");
+  // We may have more than 4 functions, depending on whether async
+  // stacks are available.
+  ok($all(".call-item-stack-fn", callItem.target).length >= 4,
+     "There should be at least 4 functions on the stack for the draw call.");
+
+  EventUtils.sendMouseEvent({ type: "dblclick" }, contents, window);
+
+  is(view.hasAttribute("call-stack-populated"), true,
+    "The call item's view should still have the stack populated.");
+  is(view.getAttribute("call-stack-expanded"), "false",
+    "The call item's view should not have the stack expanded anymore.");
+  isnot($(".call-item-stack", callItem.target), null,
+    "There should still be a stack container available for the draw call.");
+  is($(".call-item-stack", callItem.target).hidden, true,
+    "The stack container should now be hidden.");
+  // We may have more than 4 functions, depending on whether async
+  // stacks are available.
+  ok($all(".call-item-stack-fn", callItem.target).length >= 4,
+     "There should still be at least 4 functions on the stack for the draw call.");
+
+  yield teardown(panel);
+  finish();
+}