1 files changed, 120 insertions, 0 deletions
diff --git a/devtools/client/debugger/test/mochitest/browser_dbg_variables-view-reexpand-03.js b/devtools/client/debugger/test/mochitest/browser_dbg_variables-view-reexpand-03.js
new file mode 100644
index 000000000..258fbed26
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/browser_dbg_variables-view-reexpand-03.js
@@ -0,0 +1,120 @@
+/* -*- 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 variables view correctly re-expands *scopes* after pauses.
+ */
+
+const TAB_URL = EXAMPLE_URL + "doc_scope-variable-4.html";
+
+function test() {
+  // Debug test slaves are a bit slow at this test.
+  requestLongerTimeout(4);
+
+  let options = {
+    source: TAB_URL,
+    line: 1
+  };
+  initDebugger(TAB_URL, options).then(([aTab,, aPanel]) => {
+    const gTab = aTab;
+    const gPanel = aPanel;
+    const gDebugger = gPanel.panelWin;
+    const gSources = gDebugger.DebuggerView.Sources;
+    const gVariables = gDebugger.DebuggerView.Variables;
+    const queries = gDebugger.require("./content/queries");
+    const getState = gDebugger.DebuggerController.getState;
+    const actions = bindActionCreators(gPanel);
+
+    // Always expand all items between pauses.
+    gVariables.commitHierarchyIgnoredItems = Object.create(null);
+
+    function addBreakpoint() {
+      return actions.addBreakpoint({
+        actor: gSources.selectedValue,
+        line: 18
+      });
+    }
+
+    function pauseDebuggee() {
+      callInTab(gTab, "test");
+
+      return waitForDebuggerEvents(gPanel, gDebugger.EVENTS.FETCHED_SCOPES);
+    }
+
+    function resumeDebuggee() {
+      // Spin the event loop before causing the debuggee to pause, to allow
+      // this function to return first.
+      executeSoon(() => {
+        EventUtils.sendMouseEvent({ type: "mousedown" },
+                                  gDebugger.document.querySelector("#resume"),
+                                  gDebugger);
+      });
+
+      return waitForDebuggerEvents(gPanel, gDebugger.EVENTS.FETCHED_SCOPES);
+    }
+
+    function testVariablesExpand() {
+      let localScope = gVariables.getScopeAtIndex(0);
+      let functionScope = gVariables.getScopeAtIndex(1);
+      let globalScope = gVariables.getScopeAtIndex(2);
+
+      is(localScope.target.querySelector(".arrow").hasAttribute("open"), true,
+         "The localScope arrow should still be expanded.");
+      is(functionScope.target.querySelector(".arrow").hasAttribute("open"), true,
+         "The functionScope arrow should still be expanded.");
+      is(globalScope.target.querySelector(".arrow").hasAttribute("open"), false,
+         "The globalScope arrow should not be expanded.");
+
+      is(localScope.target.querySelector(".variables-view-element-details").hasAttribute("open"), true,
+         "The localScope enumerables should still be expanded.");
+      is(functionScope.target.querySelector(".variables-view-element-details").hasAttribute("open"), true,
+         "The functionScope enumerables should still be expanded.");
+      is(globalScope.target.querySelector(".variables-view-element-details").hasAttribute("open"), false,
+         "The globalScope enumerables should not be expanded.");
+
+      is(localScope.expanded, true,
+         "The localScope expanded getter should return true.");
+      is(functionScope.expanded, true,
+         "The functionScope expanded getter should return true.");
+      is(globalScope.expanded, false,
+         "The globalScope expanded getter should return false.");
+    }
+
+    function prepareScopes() {
+      let localScope = gVariables.getScopeAtIndex(0);
+      let functionScope = gVariables.getScopeAtIndex(1);
+      let globalScope = gVariables.getScopeAtIndex(2);
+
+      is(localScope.expanded, true,
+         "The localScope should be expanded.");
+      is(functionScope.expanded, false,
+         "The functionScope should not be expanded yet.");
+      is(globalScope.expanded, false,
+         "The globalScope should not be expanded yet.");
+
+      localScope.collapse();
+      functionScope.expand();
+
+      // Don't for any events to be triggered, because the Function scope is
+      // an environment to which scope arguments and variables are already attached.
+      is(localScope.expanded, false,
+         "The localScope should not be expanded anymore.");
+      is(functionScope.expanded, true,
+         "The functionScope should now be expanded.");
+      is(globalScope.expanded, false,
+         "The globalScope should still not be expanded.");
+    }
+
+    Task.spawn(function* () {
+      yield addBreakpoint();
+      yield ensureThreadClientState(gPanel, "resumed");
+      yield pauseDebuggee();
+      yield prepareScopes();
+      yield resumeDebuggee();
+      yield testVariablesExpand();
+      resumeDebuggerThenCloseAndFinish(gPanel);
+    });
+  });
+}