1 files changed, 65 insertions, 0 deletions
diff --git a/devtools/client/debugger/test/mochitest/browser_dbg_blackboxing-03.js b/devtools/client/debugger/test/mochitest/browser_dbg_blackboxing-03.js
new file mode 100644
index 000000000..fa4489ac7
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/browser_dbg_blackboxing-03.js
@@ -0,0 +1,65 @@
+/* -*- 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 black boxed frames are compressed into a single frame on the stack
+ * view when we are already paused.
+ */
+
+const TAB_URL = EXAMPLE_URL + "doc_blackboxing.html";
+const BLACKBOXME_URL = EXAMPLE_URL + "code_blackboxing_blackboxme.js";
+
+var gTab, gPanel, gDebugger;
+var gFrames, gSources;
+
+function test() {
+  let options = {
+    source: BLACKBOXME_URL,
+    line: 1
+  };
+  initDebugger(TAB_URL, options).then(([aTab,, aPanel]) => {
+    gTab = aTab;
+    gPanel = aPanel;
+    gDebugger = gPanel.panelWin;
+    gFrames = gDebugger.DebuggerView.StackFrames;
+    gSources = gDebugger.DebuggerView.Sources;
+
+    waitForSourceAndCaretAndScopes(gPanel, ".html", 21)
+      .then(testBlackBoxStack)
+      .then(testBlackBoxSource)
+      .then(() => resumeDebuggerThenCloseAndFinish(gPanel))
+      .then(null, aError => {
+        ok(false, "Got an error: " + aError.message + "\n" + aError.stack);
+      });
+
+    callInTab(gTab, "runTest");
+  });
+}
+
+function testBlackBoxStack() {
+  is(gFrames.itemCount, 6,
+    "Should get 6 frames.");
+  is(gDebugger.document.querySelectorAll(".dbg-stackframe-black-boxed").length, 0,
+    "And none of them are black boxed.");
+}
+
+function testBlackBoxSource() {
+  return toggleBlackBoxing(gPanel, getSourceActor(gSources, BLACKBOXME_URL)).then(aSource => {
+    ok(aSource.isBlackBoxed, "The source should be black boxed now.");
+
+    is(gFrames.itemCount, 3,
+      "Should only get 3 frames.");
+    is(gDebugger.document.querySelectorAll(".dbg-stackframe-black-boxed").length, 1,
+      "And one of them should be the combined black boxed frames.");
+  });
+}
+
+registerCleanupFunction(function () {
+  gTab = null;
+  gPanel = null;
+  gDebugger = null;
+  gFrames = null;
+  gSources = null;
+});