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diff --git a/devtools/client/debugger/test/mochitest/browser_dbg_variables-view-reexpand-02.js b/devtools/client/debugger/test/mochitest/browser_dbg_variables-view-reexpand-02.js
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+++ b/devtools/client/debugger/test/mochitest/browser_dbg_variables-view-reexpand-02.js
@@ -0,0 +1,226 @@
+/* -*- 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 nodes after pauses,
+ * with the caveat that there are no ignored items in the hierarchy.
+ */
+
+const TAB_URL = EXAMPLE_URL + "doc_with-frame.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: 21
+ });
+ }
+
+ function pauseDebuggee() {
+ generateMouseClickInTab(gTab, "content.document.querySelector('button')");
+
+ // The first 'with' scope should be expanded by default, but the
+ // variables haven't been fetched yet. This is how 'with' scopes work.
+ return promise.all([
+ waitForDebuggerEvents(gPanel, gDebugger.EVENTS.FETCHED_SCOPES),
+ waitForDebuggerEvents(gPanel, gDebugger.EVENTS.FETCHED_VARIABLES)
+ ]);
+ }
+
+ function stepInDebuggee() {
+ // 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("#step-in"),
+ gDebugger);
+ });
+
+ return promise.all([
+ waitForDebuggerEvents(gPanel, gDebugger.EVENTS.FETCHED_SCOPES, 1),
+ waitForDebuggerEvents(gPanel, gDebugger.EVENTS.FETCHED_VARIABLES, 3),
+ waitForDebuggerEvents(gPanel, gDebugger.EVENTS.FETCHED_PROPERTIES, 4),
+ ]);
+ }
+
+ function testVariablesExpand() {
+ let localScope = gVariables.getScopeAtIndex(0);
+ let withScope = gVariables.getScopeAtIndex(1);
+ let functionScope = gVariables.getScopeAtIndex(2);
+ let globalLexicalScope = gVariables.getScopeAtIndex(3);
+ let globalScope = gVariables.getScopeAtIndex(4);
+
+ let thisVar = localScope.get("this");
+ let windowVar = thisVar.get("window");
+ let documentVar = windowVar.get("document");
+ let locationVar = documentVar.get("location");
+
+ is(localScope.target.querySelector(".arrow").hasAttribute("open"), true,
+ "The localScope arrow should still be expanded.");
+ is(withScope.target.querySelector(".arrow").hasAttribute("open"), true,
+ "The withScope arrow should still be expanded.");
+ is(functionScope.target.querySelector(".arrow").hasAttribute("open"), true,
+ "The functionScope arrow should still be expanded.");
+ is(globalLexicalScope.target.querySelector(".arrow").hasAttribute("open"), true,
+ "The globalLexicalScope arrow should still be expanded.");
+ is(globalScope.target.querySelector(".arrow").hasAttribute("open"), true,
+ "The globalScope arrow should still be expanded.");
+ is(thisVar.target.querySelector(".arrow").hasAttribute("open"), true,
+ "The thisVar arrow should still be expanded.");
+ is(windowVar.target.querySelector(".arrow").hasAttribute("open"), true,
+ "The windowVar arrow should still be expanded.");
+ is(documentVar.target.querySelector(".arrow").hasAttribute("open"), true,
+ "The documentVar arrow should still be expanded.");
+ is(locationVar.target.querySelector(".arrow").hasAttribute("open"), true,
+ "The locationVar arrow should still be expanded.");
+
+ is(localScope.target.querySelector(".variables-view-element-details").hasAttribute("open"), true,
+ "The localScope enumerables should still be expanded.");
+ is(withScope.target.querySelector(".variables-view-element-details").hasAttribute("open"), true,
+ "The withScope enumerables should still be expanded.");
+ is(functionScope.target.querySelector(".variables-view-element-details").hasAttribute("open"), true,
+ "The functionScope enumerables should still be expanded.");
+ is(globalLexicalScope.target.querySelector(".variables-view-element-details").hasAttribute("open"), true,
+ "The globalLexicalScope enumerables should still be expanded.");
+ is(globalScope.target.querySelector(".variables-view-element-details").hasAttribute("open"), true,
+ "The globalScope enumerables should still be expanded.");
+ is(thisVar.target.querySelector(".variables-view-element-details").hasAttribute("open"), true,
+ "The thisVar enumerables should still be expanded.");
+ is(windowVar.target.querySelector(".variables-view-element-details").hasAttribute("open"), true,
+ "The windowVar enumerables should still be expanded.");
+ is(documentVar.target.querySelector(".variables-view-element-details").hasAttribute("open"), true,
+ "The documentVar enumerables should still be expanded.");
+ is(locationVar.target.querySelector(".variables-view-element-details").hasAttribute("open"), true,
+ "The locationVar enumerables should still be expanded.");
+
+ is(localScope.expanded, true,
+ "The localScope expanded getter should return true.");
+ is(withScope.expanded, true,
+ "The withScope expanded getter should return true.");
+ is(functionScope.expanded, true,
+ "The functionScope expanded getter should return true.");
+ is(globalLexicalScope.expanded, true,
+ "The globalLexicalScope expanded getter should return true.");
+ is(globalScope.expanded, true,
+ "The globalScope expanded getter should return true.");
+ is(thisVar.expanded, true,
+ "The thisVar expanded getter should return true.");
+ is(windowVar.expanded, true,
+ "The windowVar expanded getter should return true.");
+ is(documentVar.expanded, true,
+ "The documentVar expanded getter should return true.");
+ is(locationVar.expanded, true,
+ "The locationVar expanded getter should return true.");
+ }
+
+ function prepareVariablesAndProperties() {
+ let deferred = promise.defer();
+
+ let localScope = gVariables.getScopeAtIndex(0);
+ let withScope = gVariables.getScopeAtIndex(1);
+ let functionScope = gVariables.getScopeAtIndex(2);
+ let globalLexicalScope = gVariables.getScopeAtIndex(3);
+ let globalScope = gVariables.getScopeAtIndex(4);
+
+ is(localScope.expanded, true,
+ "The localScope should be expanded.");
+ is(withScope.expanded, false,
+ "The withScope should not be expanded yet.");
+ is(functionScope.expanded, false,
+ "The functionScope should not be expanded yet.");
+ is(globalLexicalScope.expanded, false,
+ "The globalLexicalScope should not be expanded yet.");
+ is(globalScope.expanded, false,
+ "The globalScope should not be expanded yet.");
+
+ // Wait for only two events to be triggered, because the Function scope is
+ // an environment to which scope arguments and variables are already attached.
+ waitForDebuggerEvents(gPanel, gDebugger.EVENTS.FETCHED_VARIABLES, 2).then(() => {
+ is(localScope.expanded, true,
+ "The localScope should now be expanded.");
+ is(withScope.expanded, true,
+ "The withScope should now be expanded.");
+ is(functionScope.expanded, true,
+ "The functionScope should now be expanded.");
+ is(globalLexicalScope.expanded, true,
+ "The globalLexicalScope should now be expanded.");
+ is(globalScope.expanded, true,
+ "The globalScope should now be expanded.");
+
+ let thisVar = localScope.get("this");
+
+ waitForDebuggerEvents(gPanel, gDebugger.EVENTS.FETCHED_PROPERTIES, 1).then(() => {
+ let windowVar = thisVar.get("window");
+
+ waitForDebuggerEvents(gPanel, gDebugger.EVENTS.FETCHED_PROPERTIES, 1).then(() => {
+ let documentVar = windowVar.get("document");
+
+ waitForDebuggerEvents(gPanel, gDebugger.EVENTS.FETCHED_PROPERTIES, 1).then(() => {
+ let locationVar = documentVar.get("location");
+
+ waitForDebuggerEvents(gPanel, gDebugger.EVENTS.FETCHED_PROPERTIES, 1).then(() => {
+ is(thisVar.expanded, true,
+ "The local scope 'this' should be expanded.");
+ is(windowVar.expanded, true,
+ "The local scope 'this.window' should be expanded.");
+ is(documentVar.expanded, true,
+ "The local scope 'this.window.document' should be expanded.");
+ is(locationVar.expanded, true,
+ "The local scope 'this.window.document.location' should be expanded.");
+
+ deferred.resolve();
+ });
+
+ locationVar.expand();
+ });
+
+ documentVar.expand();
+ });
+
+ windowVar.expand();
+ });
+
+ thisVar.expand();
+ });
+
+ withScope.expand();
+ functionScope.expand();
+ globalLexicalScope.expand();
+ globalScope.expand();
+
+ return deferred.promise;
+ }
+
+ Task.spawn(function* () {
+ yield addBreakpoint();
+ yield ensureThreadClientState(gPanel, "resumed");
+ yield pauseDebuggee();
+ yield prepareVariablesAndProperties();
+ yield stepInDebuggee();
+ yield testVariablesExpand();
+ resumeDebuggerThenCloseAndFinish(gPanel);
+ });
+ });
+}