WebKit/chromium/src/js/Tests.js
changeset 0 4f2f89ce4247
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebKit/chromium/src/js/Tests.js	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,1852 @@
+/*
+ * Copyright (C) 2010 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+
+/**
+ * @fileoverview This file contains small testing framework along with the
+ * test suite for the frontend. These tests are a part of the continues build
+ * and are executed by the devtools_sanity_unittest.cc as a part of the
+ * Interactive UI Test suite.
+ * FIXME: change field naming style to use trailing underscore.
+ */
+
+if (window.domAutomationController) {
+
+var ___interactiveUiTestsMode = true;
+
+/**
+ * Test suite for interactive UI tests.
+ * @constructor
+ */
+TestSuite = function()
+{
+    this.controlTaken_ = false;
+    this.timerId_ = -1;
+};
+
+
+/**
+ * Reports test failure.
+ * @param {string} message Failure description.
+ */
+TestSuite.prototype.fail = function(message)
+{
+    if (this.controlTaken_)
+        this.reportFailure_(message);
+    else
+        throw message;
+};
+
+
+/**
+ * Equals assertion tests that expected === actual.
+ * @param {Object} expected Expected object.
+ * @param {Object} actual Actual object.
+ * @param {string} opt_message User message to print if the test fails.
+ */
+TestSuite.prototype.assertEquals = function(expected, actual, opt_message)
+{
+    if (expected !== actual) {
+        var message = "Expected: '" + expected + "', but was '" + actual + "'";
+        if (opt_message)
+            message = opt_message + "(" + message + ")";
+        this.fail(message);
+    }
+};
+
+
+/**
+ * True assertion tests that value == true.
+ * @param {Object} value Actual object.
+ * @param {string} opt_message User message to print if the test fails.
+ */
+TestSuite.prototype.assertTrue = function(value, opt_message)
+{
+    this.assertEquals(true, !!value, opt_message);
+};
+
+
+/**
+ * Contains assertion tests that string contains substring.
+ * @param {string} string Outer.
+ * @param {string} substring Inner.
+ */
+TestSuite.prototype.assertContains = function(string, substring)
+{
+    if (string.indexOf(substring) === -1)
+        this.fail("Expected to: '" + string + "' to contain '" + substring + "'");
+};
+
+
+/**
+ * Takes control over execution.
+ */
+TestSuite.prototype.takeControl = function()
+{
+    this.controlTaken_ = true;
+    // Set up guard timer.
+    var self = this;
+    this.timerId_ = setTimeout(function() {
+        self.reportFailure_("Timeout exceeded: 20 sec");
+    }, 20000);
+};
+
+
+/**
+ * Releases control over execution.
+ */
+TestSuite.prototype.releaseControl = function()
+{
+    if (this.timerId_ !== -1) {
+        clearTimeout(this.timerId_);
+        this.timerId_ = -1;
+    }
+    this.reportOk_();
+};
+
+
+/**
+ * Async tests use this one to report that they are completed.
+ */
+TestSuite.prototype.reportOk_ = function()
+{
+    window.domAutomationController.send("[OK]");
+};
+
+
+/**
+ * Async tests use this one to report failures.
+ */
+TestSuite.prototype.reportFailure_ = function(error)
+{
+    if (this.timerId_ !== -1) {
+        clearTimeout(this.timerId_);
+        this.timerId_ = -1;
+    }
+    window.domAutomationController.send("[FAILED] " + error);
+};
+
+
+/**
+ * Runs all global functions starting with "test" as unit tests.
+ */
+TestSuite.prototype.runTest = function(testName)
+{
+    try {
+        this[testName]();
+        if (!this.controlTaken_)
+            this.reportOk_();
+    } catch (e) {
+        this.reportFailure_(e);
+    }
+};
+
+
+/**
+ * @param {string} panelName Name of the panel to show.
+ */
+TestSuite.prototype.showPanel = function(panelName)
+{
+    // Open Scripts panel.
+    var toolbar = document.getElementById("toolbar");
+    var button = toolbar.getElementsByClassName(panelName)[0];
+    button.click();
+    this.assertEquals(WebInspector.panels[panelName], WebInspector.currentPanel);
+};
+
+
+/**
+ * Overrides the method with specified name until it's called first time.
+ * @param {Object} receiver An object whose method to override.
+ * @param {string} methodName Name of the method to override.
+ * @param {Function} override A function that should be called right after the
+ *     overriden method returns.
+ * @param {boolean} opt_sticky Whether restore original method after first run
+ *     or not.
+ */
+TestSuite.prototype.addSniffer = function(receiver, methodName, override, opt_sticky)
+{
+    var orig = receiver[methodName];
+    if (typeof orig !== "function")
+        this.fail("Cannot find method to override: " + methodName);
+    var test = this;
+    receiver[methodName] = function(var_args) {
+        try {
+            var result = orig.apply(this, arguments);
+        } finally {
+            if (!opt_sticky)
+                receiver[methodName] = orig;
+        }
+        // In case of exception the override won't be called.
+        try {
+            override.apply(this, arguments);
+        } catch (e) {
+            test.fail("Exception in overriden method '" + methodName + "': " + e);
+        }
+        return result;
+    };
+};
+
+
+// UI Tests
+
+
+/**
+ * Tests that the real injected host is present in the context.
+ */
+TestSuite.prototype.testHostIsPresent = function()
+{
+    this.assertTrue(typeof InspectorFrontendHost === "object" && !InspectorFrontendHost.isStub);
+};
+
+
+/**
+ * Tests elements tree has an "HTML" root.
+ */
+TestSuite.prototype.testElementsTreeRoot = function()
+{
+    var doc = WebInspector.domAgent.document;
+    this.assertEquals("HTML", doc.documentElement.nodeName);
+    this.assertTrue(doc.documentElement.hasChildNodes());
+};
+
+
+/**
+ * Tests that main resource is present in the system and that it is
+ * the only resource.
+ */
+TestSuite.prototype.testMainResource = function()
+{
+    var tokens = [];
+    var resources = WebInspector.resources;
+    for (var id in resources)
+        tokens.push(resources[id].lastPathComponent);
+    this.assertEquals("simple_page.html", tokens.join(","));
+};
+
+
+/**
+ * Tests that resources tab is enabled when corresponding item is selected.
+ */
+TestSuite.prototype.testEnableResourcesTab = function()
+{
+    this.showPanel("resources");
+
+    var test = this;
+    this.addSniffer(WebInspector, "updateResource",
+        function(identifier, payload) {
+            test.assertEquals("simple_page.html", payload.lastPathComponent);
+            WebInspector.panels.resources.refresh();
+            WebInspector.panels.resources.revealAndSelectItem(WebInspector.resources[identifier]);
+
+            test.releaseControl();
+        });
+
+    // Following call should lead to reload that we capture in the
+    // addResource override.
+    WebInspector.panels.resources._enableResourceTracking();
+
+    // We now have some time to report results to controller.
+    this.takeControl();
+};
+
+
+/**
+ * Tests that correct content length is reported for resources.
+ */
+TestSuite.prototype.testResourceContentLength = function()
+{
+    this.showPanel("resources");
+    var test = this;
+
+    var png = false;
+    var html = false;
+    this.addSniffer(WebInspector, "updateResource",
+        function(identifier, payload) {
+            if (!payload.didLengthChange)
+                return;
+            var resource = WebInspector.resources[identifier];
+            if (!resource || !resource.url)
+                return;
+            if (resource.url.search("image.html") !== -1) {
+              var expectedLength = 87;
+              test.assertTrue(
+                  resource.resourceSize <= expectedLength,
+                  "image.html content length is greater thatn expected.");
+              if (expectedLength === resource.resourceSize)
+                  html = true;
+            } else if (resource.url.search("image.png") !== -1) {
+              var expectedLength = 257796;
+              test.assertTrue(
+                  resource.resourceSize <= expectedLength,
+                  "image.png content length is greater than expected.");
+              if (expectedLength === resource.resourceSize)
+                  png = true;
+            }
+            if (html && png) {
+              // Wait 1 second before releasing control to check that the content
+              // lengths are not updated anymore.
+              setTimeout(function() {
+                  test.releaseControl();
+              }, 1000);
+            }
+        }, true);
+
+    // Make sure resource tracking is on.
+    WebInspector.panels.resources._enableResourceTracking();
+    // Reload inspected page to update all resources.
+    test.evaluateInConsole_(
+        "window.location.reload(true);",
+         function(resultText) {
+             test.assertEquals("undefined", resultText, "Unexpected result of reload().");
+         });
+
+    // We now have some time to report results to controller.
+    this.takeControl();
+};
+
+
+/**
+ * Tests resource headers.
+ */
+TestSuite.prototype.testResourceHeaders = function()
+{
+    this.showPanel("resources");
+
+    var test = this;
+
+    var responseOk = false;
+    var timingOk = false;
+
+    this.addSniffer(WebInspector, "updateResource",
+        function(identifier, payload) {
+            var resource = this.resources[identifier];
+            if (!resource || resource.mainResource) {
+                // We are only interested in secondary resources in this test.
+                return;
+            }
+
+            var requestHeaders = JSON.stringify(resource.requestHeaders);
+            test.assertContains(requestHeaders, "Accept");
+
+            if (payload.didResponseChange) {
+                var responseHeaders = JSON.stringify(resource.responseHeaders);
+                test.assertContains(responseHeaders, "Content-type");
+                test.assertContains(responseHeaders, "Content-Length");
+                test.assertTrue(typeof resource.responseReceivedTime !== "undefined");
+                responseOk = true;
+            }
+
+            if (payload.didTimingChange) {
+                test.assertTrue(typeof resource.startTime !== "undefined");
+                timingOk = true;
+            }
+
+            if (payload.didCompletionChange) {
+                test.assertTrue(responseOk);
+                test.assertTrue(timingOk);
+                test.assertTrue(typeof resource.endTime !== "undefined");
+                test.releaseControl();
+            }
+        }, true);
+
+    WebInspector.panels.resources._enableResourceTracking();
+    this.takeControl();
+};
+
+
+/**
+ * Tests the mime type of a cached (HTTP 304) resource.
+ */
+TestSuite.prototype.testCachedResourceMimeType = function()
+{
+    this.showPanel("resources");
+
+    var test = this;
+    var hasReloaded = false;
+
+    this.addSniffer(WebInspector, "updateResource",
+        function(identifier, payload) {
+            var resource = this.resources[identifier];
+            if (!resource || resource.mainResource) {
+                // We are only interested in secondary resources in this test.
+                return;
+            }
+
+            if (payload.didResponseChange) {
+                // Test server uses a default mime type for JavaScript files.
+                test.assertEquals("text/html", payload.mimeType);
+                if (!hasReloaded) {
+                    hasReloaded = true;
+                    // Reload inspected page to update all resources.
+                    test.evaluateInConsole_("window.location.reload(true);", function() {});
+                } else
+                    test.releaseControl();
+            }
+
+        }, true);
+
+    WebInspector.panels.resources._enableResourceTracking();
+    this.takeControl();
+};
+
+
+/**
+ * Tests that profiler works.
+ */
+TestSuite.prototype.testProfilerTab = function()
+{
+    this.showPanel("profiles");
+
+    var panel = WebInspector.panels.profiles;
+    var test = this;
+
+    function findDisplayedNode() {
+        var node = panel.visibleView.profileDataGridTree.children[0];
+        if (!node) {
+            // Profile hadn't been queried yet, re-schedule.
+            window.setTimeout(findDisplayedNode, 100);
+            return;
+        }
+
+        // Iterate over displayed functions and search for a function
+        // that is called "fib" or "eternal_fib". If found, this will mean
+        // that we actually have profiled page's code.
+        while (node) {
+            if (node.functionName.indexOf("fib") !== -1)
+                test.releaseControl();
+            node = node.traverseNextNode(true, null, true);
+        }
+
+        test.fail();
+    }
+
+    function findVisibleView() {
+        if (!panel.visibleView) {
+            setTimeout(findVisibleView, 0);
+            return;
+        }
+        setTimeout(findDisplayedNode, 0);
+    }
+
+    findVisibleView();
+    this.takeControl();
+};
+
+
+/**
+ * Tests that heap profiler works.
+ */
+TestSuite.prototype.testHeapProfiler = function()
+{
+    this.showPanel("profiles");
+
+    var panel = WebInspector.panels.profiles;
+    var test = this;
+
+    function findDisplayedNode() {
+        var node = panel.visibleView.dataGrid.children[0];
+        if (!node) {
+            // Profile hadn't been queried yet, re-schedule.
+            window.setTimeout(findDisplayedNode, 100);
+            return;
+        }
+
+        // Iterate over displayed functions and find node called "A"
+        // If found, this will mean that we actually have taken heap snapshot.
+        while (node) {
+            if (node.constructorName.indexOf("A") !== -1) {
+                test.releaseControl();
+                return;
+            }
+            node = node.traverseNextNode(false, null, true);
+        }
+
+        test.fail();
+    }
+
+    function findVisibleView() {
+        if (!panel.visibleView) {
+            setTimeout(findVisibleView, 0);
+            return;
+        }
+        setTimeout(findDisplayedNode, 0);
+    }
+
+    WebInspector.HeapSnapshotProfileType.prototype.buttonClicked();
+    findVisibleView();
+    this.takeControl();
+};
+
+
+/**
+ * Tests that scripts tab can be open and populated with inspected scripts.
+ */
+TestSuite.prototype.testShowScriptsTab = function()
+{
+    this.showPanel("scripts");
+    var test = this;
+    // There should be at least main page script.
+    this._waitUntilScriptsAreParsed(["debugger_test_page.html"],
+        function() {
+            test.releaseControl();
+        });
+    // Wait until all scripts are added to the debugger.
+    this.takeControl();
+};
+
+
+/**
+ * Tests that scripts tab is populated with inspected scripts even if it
+ * hadn't been shown by the moment inspected paged refreshed.
+ * @see http://crbug.com/26312
+ */
+TestSuite.prototype.testScriptsTabIsPopulatedOnInspectedPageRefresh = function()
+{
+    var test = this;
+    this.assertEquals(WebInspector.panels.elements, WebInspector.currentPanel, "Elements panel should be current one.");
+
+    this.addSniffer(WebInspector.panels.scripts, "reset", waitUntilScriptIsParsed);
+
+    // Reload inspected page. It will reset the debugger agent.
+    test.evaluateInConsole_(
+        "window.location.reload(true);",
+        function(resultText) {});
+
+    function waitUntilScriptIsParsed() {
+        test.showPanel("scripts");
+        test._waitUntilScriptsAreParsed(["debugger_test_page.html"],
+            function() {
+                test.releaseControl();
+            });
+    }
+
+    // Wait until all scripts are added to the debugger.
+    this.takeControl();
+};
+
+
+/**
+ * Tests that scripts list contains content scripts.
+ */
+TestSuite.prototype.testContentScriptIsPresent = function()
+{
+    this.showPanel("scripts");
+    var test = this;
+
+    test._waitUntilScriptsAreParsed(
+        ["page_with_content_script.html", "simple_content_script.js"],
+        function() {
+          test.releaseControl();
+        });
+
+    // Wait until all scripts are added to the debugger.
+    this.takeControl();
+};
+
+
+/**
+ * Tests that scripts are not duplicaed on Scripts tab switch.
+ */
+TestSuite.prototype.testNoScriptDuplicatesOnPanelSwitch = function()
+{
+    var test = this;
+
+    // There should be two scripts: one for the main page and another
+    // one which is source of console API(see
+    // InjectedScript._ensureCommandLineAPIInstalled).
+    var expectedScriptsCount = 2;
+    var parsedScripts = [];
+
+    this.showPanel("scripts");
+
+
+    function switchToElementsTab() {
+        test.showPanel("elements");
+        setTimeout(switchToScriptsTab, 0);
+    }
+
+    function switchToScriptsTab() {
+        test.showPanel("scripts");
+        setTimeout(checkScriptsPanel, 0);
+    }
+
+    function checkScriptsPanel() {
+        test.assertTrue(!!WebInspector.panels.scripts.visibleView, "No visible script view.");
+        test.assertTrue(test._scriptsAreParsed(["debugger_test_page.html"]), "Some scripts are missing.");
+        checkNoDuplicates();
+        test.releaseControl();
+    }
+
+    function checkNoDuplicates() {
+        var scriptSelect = document.getElementById("scripts-files");
+        var options = scriptSelect.options;
+        for (var i = 0; i < options.length; i++) {
+            var scriptName = options[i].text;
+            for (var j = i + 1; j < options.length; j++)
+                test.assertTrue(scriptName !== options[j].text, "Found script duplicates: " + test.optionsToString_(options));
+        }
+    }
+
+    test._waitUntilScriptsAreParsed(
+        ["debugger_test_page.html"],
+        function() {
+            checkNoDuplicates();
+            setTimeout(switchToElementsTab, 0);
+        });
+
+
+    // Wait until all scripts are added to the debugger.
+    this.takeControl();
+};
+
+
+/**
+ * Tests that a breakpoint can be set.
+ */
+TestSuite.prototype.testSetBreakpoint = function()
+{
+    var test = this;
+    this.showPanel("scripts");
+
+    var breakpointLine = 16
+
+    this._waitUntilScriptsAreParsed(["debugger_test_page.html"],
+        function() {
+          test.showMainPageScriptSource_(
+              "debugger_test_page.html",
+              function(view, url) {
+                view._addBreakpoint(breakpointLine);
+
+                test.evaluateInConsole_(
+                    'setTimeout("calculate()" , 0)',
+                    function(resultText) {
+                      test.assertTrue(!isNaN(resultText), "Failed to get timer id: " + resultText);
+                    });
+              });
+        });
+
+    this._waitForScriptPause(
+        {
+            functionsOnStack: ["calculate", ""],
+            lineNumber: breakpointLine,
+            lineText: "  result = fib(lastVal++);"
+        },
+        function() {
+            test.releaseControl();
+        });
+
+    this.takeControl();
+};
+
+
+/**
+ * Tests that pause on exception works.
+ */
+TestSuite.prototype.testPauseOnException = function()
+{
+    this.showPanel("scripts");
+    var test = this;
+
+    InspectorBackend.setPauseOnExceptionsState(WebInspector.ScriptsPanel.PauseOnExceptionsState.PauseOnUncaughtExceptions);
+
+    this._executeCodeWhenScriptsAreParsed("handleClick()", ["pause_on_exception.html"]);
+
+    this._waitForScriptPause(
+        {
+            functionsOnStack: ["throwAnException", "handleClick", ""],
+            lineNumber: 6,
+            lineText: "  return unknown_var;"
+        },
+        function() {
+            test.releaseControl();
+        });
+
+    this.takeControl();
+};
+
+
+// Tests that debugger works correctly if pause event occurs when DevTools
+// frontend is being loaded.
+TestSuite.prototype.testPauseWhenLoadingDevTools = function()
+{
+    this.showPanel("scripts");
+    var test = this;
+
+    var expectations = {
+            functionsOnStack: ["callDebugger"],
+            lineNumber: 8,
+            lineText: "  debugger;"
+        };
+
+
+    // Script execution can already be paused.
+    if (WebInspector.currentPanel.paused) {
+        var callFrame = WebInspector.currentPanel.sidebarPanes.callstack.selectedCallFrame;
+        this.assertEquals(expectations.functionsOnStack[0], callFrame.functionName);
+        var callbackInvoked = false;
+        this._checkSourceFrameWhenLoaded(expectations, function() {
+                callbackInvoked = true;
+                if (test.controlTaken_)
+                    test.releaseControl();
+            });
+        if (!callbackInvoked) {
+            test.takeControl();
+        }
+        return;
+    }
+
+    this._waitForScriptPause(
+        {
+            functionsOnStack: ["callDebugger"],
+            lineNumber: 8,
+            lineText: "  debugger;"
+        },
+        function() {
+            test.releaseControl();
+        });
+    this.takeControl();
+};
+
+
+// Tests that pressing "Pause" will pause script execution if the script
+// is already running.
+TestSuite.prototype.testPauseWhenScriptIsRunning = function()
+{
+    this.showPanel("scripts");
+    var test = this;
+
+    test.evaluateInConsole_(
+        'setTimeout("handleClick()" , 0)',
+        function(resultText) {
+          test.assertTrue(!isNaN(resultText), "Failed to get timer id: " + resultText);
+          testScriptPauseAfterDelay();
+        });
+
+    // Wait for some time to make sure that inspected page is running the
+    // infinite loop.
+    function testScriptPauseAfterDelay() {
+        setTimeout(testScriptPause, 300);
+    }
+
+    function testScriptPause() {
+        // The script should be in infinite loop. Click "Pause" button to
+        // pause it and wait for the result.
+        WebInspector.panels.scripts.pauseButton.click();
+
+        test._waitForScriptPause(
+            {
+                functionsOnStack: ["handleClick", ""],
+                lineNumber: 5,
+                lineText: "  while(true) {"
+            },
+            function() {
+                test.releaseControl();
+            });
+    }
+
+    this.takeControl();
+};
+
+
+/**
+ * Serializes options collection to string.
+ * @param {HTMLOptionsCollection} options
+ * @return {string}
+ */
+TestSuite.prototype.optionsToString_ = function(options)
+{
+    var names = [];
+    for (var i = 0; i < options.length; i++)
+        names.push('"' + options[i].text + '"');
+    return names.join(",");
+};
+
+
+/**
+ * Ensures that main HTML resource is selected in Scripts panel and that its
+ * source frame is setup. Invokes the callback when the condition is satisfied.
+ * @param {HTMLOptionsCollection} options
+ * @param {function(WebInspector.SourceView,string)} callback
+ */
+TestSuite.prototype.showMainPageScriptSource_ = function(scriptName, callback)
+{
+    var test = this;
+
+    var scriptSelect = document.getElementById("scripts-files");
+    var options = scriptSelect.options;
+
+    test.assertTrue(options.length, "Scripts list is empty");
+
+    // Select page's script if it's not current option.
+    var scriptResource;
+    if (options[scriptSelect.selectedIndex].text === scriptName)
+        scriptResource = options[scriptSelect.selectedIndex].representedObject;
+    else {
+        var pageScriptIndex = -1;
+        for (var i = 0; i < options.length; i++) {
+            if (options[i].text === scriptName) {
+                pageScriptIndex = i;
+                break;
+            }
+        }
+        test.assertTrue(-1 !== pageScriptIndex, "Script with url " + scriptName + " not found among " + test.optionsToString_(options));
+        scriptResource = options[pageScriptIndex].representedObject;
+
+        // Current panel is "Scripts".
+        WebInspector.currentPanel._showScriptOrResource(scriptResource);
+        test.assertEquals(pageScriptIndex, scriptSelect.selectedIndex, "Unexpected selected option index.");
+    }
+
+    test.assertTrue(scriptResource instanceof WebInspector.Resource,
+                    "Unexpected resource class.");
+    test.assertTrue(!!scriptResource.url, "Resource URL is null.");
+    test.assertTrue(scriptResource.url.search(scriptName + "$") !== -1, "Main HTML resource should be selected.");
+
+    var scriptsPanel = WebInspector.panels.scripts;
+
+    var view = scriptsPanel.visibleView;
+    test.assertTrue(view instanceof WebInspector.SourceView);
+
+    if (!view.sourceFrame._loaded) {
+        test.addSniffer(view, "_sourceFrameSetupFinished", function(event) {
+            callback(view, scriptResource.url);
+        });
+    } else
+        callback(view, scriptResource.url);
+};
+
+
+/*
+ * Evaluates the code in the console as if user typed it manually and invokes
+ * the callback when the result message is received and added to the console.
+ * @param {string} code
+ * @param {function(string)} callback
+ */
+TestSuite.prototype.evaluateInConsole_ = function(code, callback)
+{
+    WebInspector.showConsole();
+    WebInspector.console.prompt.text = code;
+    WebInspector.console.promptElement.dispatchEvent( TestSuite.createKeyEvent("Enter"));
+
+    this.addSniffer(WebInspector.ConsoleView.prototype, "addMessage",
+        function(commandResult) {
+            callback(commandResult.toMessageElement().textContent);
+        });
+};
+
+
+/**
+ * Tests eval on call frame.
+ */
+TestSuite.prototype.testEvalOnCallFrame = function()
+{
+    this.showPanel("scripts");
+
+    var breakpointLine = 16;
+
+    var test = this;
+    this._waitUntilScriptsAreParsed(["debugger_test_page.html"],
+        function() {
+          test.showMainPageScriptSource_(
+              "debugger_test_page.html",
+              function(view, url) {
+                  view._addBreakpoint(breakpointLine);
+
+                  // Since breakpoints are ignored in evals' calculate() function is
+                  // execute after zero-timeout so that the breakpoint is hit.
+                  test.evaluateInConsole_(
+                      'setTimeout("calculate(123)" , 0)',
+                      function(resultText) {
+                          test.assertTrue(!isNaN(resultText), "Failed to get timer id: " + resultText);
+                          waitForBreakpointHit();
+                      });
+              });
+        });
+
+    function waitForBreakpointHit() {
+      test.addSniffer(WebInspector,
+          "pausedScript",
+          function(callFrames) {
+            test.assertEquals(2, callFrames.length, "Unexpected stack depth on the breakpoint. " + JSON.stringify(callFrames, null, 4));
+            test.assertEquals("calculate", callFrames[0].functionName, "Unexpected top frame function.");
+            // Evaluate "e+1" where "e" is an argument of "calculate" function.
+            test.evaluateInConsole_(
+                "e+1",
+                function(resultText) {
+                    test.assertEquals("124", resultText, 'Unexpected "e+1" value.');
+                    test.releaseControl();
+                });
+          });
+    }
+
+    this.takeControl();
+};
+
+
+/**
+ * Tests that console auto completion works when script execution is paused.
+ */
+TestSuite.prototype.testCompletionOnPause = function()
+{
+    this.showPanel("scripts");
+    var test = this;
+    this._executeCodeWhenScriptsAreParsed("handleClick()", ["completion_on_pause.html"]);
+
+    this._waitForScriptPause(
+        {
+            functionsOnStack: ["innerFunction", "handleClick", ""],
+            lineNumber: 9,
+            lineText: "    debugger;"
+        },
+        showConsole);
+
+    function showConsole() {
+        if (WebInspector.currentFocusElement === WebInspector.console.promptElement)
+            testLocalsCompletion();
+        else {
+            test.addSniffer(WebInspector.console, "afterShow", testLocalsCompletion);
+            WebInspector.showConsole();
+        }
+    }
+
+    function testLocalsCompletion() {
+        checkCompletions("th", ["parameter1", "closureLocal", "p", "createClosureLocal"], testThisCompletion);
+    }
+
+    function testThisCompletion() {
+        checkCompletions("this.", ["field1", "field2", "m"], testFieldCompletion);
+    }
+
+    function testFieldCompletion() {
+        checkCompletions("this.field1.", ["id", "name"], function() { test.releaseControl(); });
+    }
+
+    function checkCompletions(expression, expectedProperties, callback) {
+        test.addSniffer(WebInspector.console, "_reportCompletions",
+            function(bestMatchOnly, completionsReadyCallback, dotNotation, bracketNotation, prefix, result, isException) {
+                test.assertTrue(!isException, "Exception while collecting completions");
+                for (var i = 0; i < expectedProperties.length; i++) {
+                    var name = expectedProperties[i];
+                    test.assertTrue(result[name], "Name " + name + " not found among the completions: " + JSON.stringify(result));
+                }
+                setTimeout(callback, 0);
+            });
+      WebInspector.console.prompt.text = expression;
+      WebInspector.console.prompt.autoCompleteSoon();
+    }
+
+    this.takeControl();
+};
+
+
+/**
+ * Tests that inspected page doesn't hang on reload if it contains a syntax
+ * error and DevTools window is open.
+ */
+TestSuite.prototype.testAutoContinueOnSyntaxError = function()
+{
+    // TODO(yurys): provide an implementation that works with ScriptDebugServer.
+};
+
+
+/**
+ * Checks current execution line against expectations.
+ * @param {WebInspector.SourceFrame} sourceFrame
+ * @param {number} lineNumber Expected line number
+ * @param {string} lineContent Expected line text
+ */
+TestSuite.prototype._checkExecutionLine = function(sourceFrame, lineNumber, lineContent)
+{
+    this.assertEquals(lineNumber, sourceFrame.executionLine, "Unexpected execution line number.");
+    this.assertEquals(lineContent, sourceFrame._textModel.line(lineNumber - 1), "Unexpected execution line text.");
+}
+
+
+/**
+ * Checks that all expected scripts are present in the scripts list
+ * in the Scripts panel.
+ * @param {Array.<string>} expected Regular expressions describing
+ *     expected script names.
+ * @return {boolean} Whether all the scripts are in "scripts-files" select
+ *     box
+ */
+TestSuite.prototype._scriptsAreParsed = function(expected)
+{
+    var scriptSelect = document.getElementById("scripts-files");
+    var options = scriptSelect.options;
+
+    // Check that at least all the expected scripts are present.
+    var missing = expected.slice(0);
+    for (var i = 0 ; i < options.length; i++) {
+        for (var j = 0; j < missing.length; j++) {
+            if (options[i].text.search(missing[j]) !== -1) {
+                missing.splice(j, 1);
+                break;
+            }
+        }
+    }
+    return missing.length === 0;
+};
+
+
+/**
+ * Waits for script pause, checks expectations, and invokes the callback.
+ * @param {Object} expectations  Dictionary of expectations
+ * @param {function():void} callback
+ */
+TestSuite.prototype._waitForScriptPause = function(expectations, callback)
+{
+    var test = this;
+    // Wait until script is paused.
+    test.addSniffer(
+        WebInspector,
+        "pausedScript",
+        function(callFrames) {
+            var functionsOnStack = [];
+            for (var i = 0; i < callFrames.length; i++)
+                functionsOnStack.push(callFrames[i].functionName);
+
+            test.assertEquals(expectations.functionsOnStack.join(","), functionsOnStack.join(","), "Unexpected stack.");
+
+            // Check that execution line where the script is paused is
+            // expected one.
+            test._checkSourceFrameWhenLoaded(expectations, callback);
+        });
+};
+
+
+/**
+ * Waits for current source frame to load, checks expectations, and invokes
+ * the callback.
+ * @param {Object} expectations  Dictionary of expectations
+ * @param {function():void} callback
+ */
+TestSuite.prototype._checkSourceFrameWhenLoaded = function(expectations, callback)
+{
+    var test = this;
+
+    var frame = WebInspector.currentPanel.visibleView.sourceFrame;
+    if (frame._loaded)
+        checkExecLine();
+    else {
+        setTimeout(function() {
+            test._checkSourceFrameWhenLoaded(expectations, callback);
+        }, 100);
+    }
+    function checkExecLine() {
+        test._checkExecutionLine(frame, expectations.lineNumber, expectations.lineText);
+        callback();
+    }
+};
+
+
+/**
+ * Performs sequence of steps.
+ * @param {Array.<Object|Function>} Array [expectations1,action1,expectations2,
+ *     action2,...,actionN].
+ */
+TestSuite.prototype._performSteps = function(actions)
+{
+    var test = this;
+    var i = 0;
+    function doNextAction() {
+        if (i > 0)
+            actions[i++]();
+        if (i < actions.length - 1)
+            test._waitForScriptPause(actions[i++], doNextAction);
+    }
+    doNextAction();
+};
+
+
+/**
+ * Waits until all the scripts are parsed and asynchronously executes the code
+ * in the inspected page.
+ */
+TestSuite.prototype._executeCodeWhenScriptsAreParsed = function(code, expectedScripts)
+{
+    var test = this;
+
+    function executeFunctionInInspectedPage() {
+        // Since breakpoints are ignored in evals' calculate() function is
+        // execute after zero-timeout so that the breakpoint is hit.
+        test.evaluateInConsole_(
+            'setTimeout("' + code + '" , 0)',
+            function(resultText) {
+                test.assertTrue(!isNaN(resultText), "Failed to get timer id: " + resultText + ". Code: " + code);
+            });
+    }
+
+    test._waitUntilScriptsAreParsed(expectedScripts, executeFunctionInInspectedPage);
+};
+
+
+/**
+ * Waits until all the scripts are parsed and invokes the callback.
+ */
+TestSuite.prototype._waitUntilScriptsAreParsed = function(expectedScripts, callback)
+{
+    var test = this;
+
+    function waitForAllScripts() {
+        if (test._scriptsAreParsed(expectedScripts))
+            callback();
+        else
+            test.addSniffer(WebInspector, "parsedScriptSource", waitForAllScripts);
+    }
+
+    waitForAllScripts();
+};
+
+
+/**
+ * Waits until all debugger scripts are parsed and executes "a()" in the
+ * inspected page.
+ */
+TestSuite.prototype._executeFunctionForStepTest = function()
+{
+    this._executeCodeWhenScriptsAreParsed("a()", ["debugger_step.html", "debugger_step.js"]);
+};
+
+
+/**
+ * Tests step over in the debugger.
+ */
+TestSuite.prototype.testStepOver = function()
+{
+    this.showPanel("scripts");
+    var test = this;
+
+    this._executeFunctionForStepTest();
+
+    this._performSteps([
+        {
+            functionsOnStack: ["d","a",""],
+            lineNumber: 3,
+            lineText: "    debugger;"
+        },
+        function() {
+            document.getElementById("scripts-step-over").click();
+        },
+        {
+            functionsOnStack: ["d","a",""],
+            lineNumber: 5,
+            lineText: "  var y = fact(10);"
+        },
+        function() {
+            document.getElementById("scripts-step-over").click();
+        },
+        {
+            functionsOnStack: ["d","a",""],
+            lineNumber: 6,
+            lineText: "  return y;"
+        },
+        function() {
+            test.releaseControl();
+        }
+    ]);
+
+    test.takeControl();
+};
+
+
+/**
+ * Tests step out in the debugger.
+ */
+TestSuite.prototype.testStepOut = function()
+{
+    this.showPanel("scripts");
+    var test = this;
+
+    this._executeFunctionForStepTest();
+
+    this._performSteps([
+        {
+            functionsOnStack: ["d","a",""],
+            lineNumber: 3,
+            lineText: "    debugger;"
+        },
+        function() {
+            document.getElementById("scripts-step-out").click();
+        },
+        {
+            functionsOnStack: ["a",""],
+            lineNumber: 8,
+            lineText: "  printResult(result);"
+        },
+        function() {
+            test.releaseControl();
+        }
+    ]);
+
+    test.takeControl();
+};
+
+
+/**
+ * Tests step in in the debugger.
+ */
+TestSuite.prototype.testStepIn = function()
+{
+    this.showPanel("scripts");
+    var test = this;
+
+    this._executeFunctionForStepTest();
+
+    this._performSteps([
+        {
+            functionsOnStack: ["d","a",""],
+            lineNumber: 3,
+            lineText: "    debugger;"
+        },
+        function() {
+            document.getElementById("scripts-step-over").click();
+        },
+        {
+            functionsOnStack: ["d","a",""],
+            lineNumber: 5,
+            lineText: "  var y = fact(10);"
+        },
+        function() {
+            document.getElementById("scripts-step-into").click();
+        },
+        {
+            functionsOnStack: ["fact","d","a",""],
+            lineNumber: 10,
+            lineText: "  var r = 1;"
+        },
+        function() {
+            test.releaseControl();
+        }
+    ]);
+
+    test.takeControl();
+};
+
+
+/**
+ * Gets a XPathResult matching given xpath.
+ * @param {string} xpath
+ * @param {number} resultType
+ * @param {Node} opt_ancestor Context node. If not specified documentElement
+ *     will be used
+ * @return {XPathResult} Type of returned value is determined by "resultType" parameter
+ */
+
+TestSuite.prototype._evaluateXpath = function(xpath, resultType, opt_ancestor)
+{
+    if (!opt_ancestor)
+        opt_ancestor = document.documentElement;
+    try {
+        return document.evaluate(xpath, opt_ancestor, null, resultType, null);
+    } catch(e) {
+        this.fail('Error in expression: "' + xpath + '".' + e);
+    }
+};
+
+
+/**
+ * Gets first Node matching given xpath.
+ * @param {string} xpath
+ * @param {Node} opt_ancestor Context node. If not specified documentElement
+ *     will be used
+ * @return {?Node}
+ */
+TestSuite.prototype._findNode = function(xpath, opt_ancestor)
+{
+    var result = this._evaluateXpath(xpath, XPathResult.FIRST_ORDERED_NODE_TYPE, opt_ancestor).singleNodeValue;
+    this.assertTrue(!!result, "Cannot find node on path: " + xpath);
+    return result;
+};
+
+
+/**
+ * Gets a text matching given xpath.
+ * @param {string} xpath
+ * @param {Node} opt_ancestor Context node. If not specified documentElement
+ *     will be used
+ * @return {?string}
+ */
+TestSuite.prototype._findText = function(xpath, opt_ancestor)
+{
+    var result = this._evaluateXpath(xpath, XPathResult.STRING_TYPE, opt_ancestor).stringValue;
+    this.assertTrue(!!result, "Cannot find text on path: " + xpath);
+    return result;
+};
+
+
+/**
+ * Gets an iterator over nodes matching given xpath.
+ * @param {string} xpath
+ * @param {Node} opt_ancestor Context node. If not specified, documentElement
+ *     will be used
+ * @return {XPathResult} Iterator over the nodes
+ */
+TestSuite.prototype._nodeIterator = function(xpath, opt_ancestor)
+{
+    return this._evaluateXpath(xpath, XPathResult.ORDERED_NODE_ITERATOR_TYPE, opt_ancestor);
+};
+
+
+/**
+ * Checks the scopeSectionDiv against the expectations.
+ * @param {Node} scopeSectionDiv The section div
+ * @param {Object} expectations Expectations dictionary
+ */
+TestSuite.prototype._checkScopeSectionDiv = function(scopeSectionDiv, expectations)
+{
+    var scopeTitle = this._findText('./div[@class="header"]/div[@class="title"]/text()', scopeSectionDiv);
+    this.assertEquals(expectations.title, scopeTitle, "Unexpected scope section title.");
+    if (!expectations.properties)
+        return;
+    this.assertTrue(scopeSectionDiv.hasStyleClass("expanded"), 'Section "' + scopeTitle + '" is collapsed.');
+
+    var propertyIt = this._nodeIterator("./ol/li", scopeSectionDiv);
+    var propertyLi;
+    var foundProps = [];
+    while (propertyLi = propertyIt.iterateNext()) {
+        var name = this._findText('./span[@class="name"]/text()', propertyLi);
+        var value = this._findText('./span[@class="value"]/text()', propertyLi);
+        this.assertTrue(!!name, 'Invalid variable name: "' + name + '"');
+        this.assertTrue(name in expectations.properties, "Unexpected property: " + name);
+        this.assertEquals(expectations.properties[name], value, 'Unexpected "' + name + '" property value.');
+        delete expectations.properties[name];
+        foundProps.push(name + " = " + value);
+    }
+
+    // Check that all expected properties were found.
+    for (var p in expectations.properties)
+        this.fail('Property "' + p + '" was not found in scope "' + scopeTitle + '". Found properties: "' + foundProps.join(",") + '"');
+};
+
+
+/**
+ * Expands scope sections matching the filter and invokes the callback on
+ * success.
+ * @param {function(WebInspector.ObjectPropertiesSection, number):boolean}
+ *     filter
+ * @param {Function} callback
+ */
+TestSuite.prototype._expandScopeSections = function(filter, callback)
+{
+    var sections = WebInspector.currentPanel.sidebarPanes.scopechain.sections;
+
+    var toBeUpdatedCount = 0;
+    function updateListener() {
+        --toBeUpdatedCount;
+        if (toBeUpdatedCount === 0) {
+            // Report when all scopes are expanded and populated.
+            callback();
+        }
+    }
+
+    // Global scope is always the last one.
+    for (var i = 0; i < sections.length - 1; i++) {
+        var section = sections[i];
+        if (!filter(sections, i))
+            continue;
+        ++toBeUpdatedCount;
+        var populated = section.populated;
+
+        this._hookGetPropertiesCallback(updateListener,
+            function() {
+                section.expand();
+                if (populated) {
+                    // Make sure "updateProperties" callback will be called at least once
+                    // after it was overridden.
+                    section.update();
+                }
+            });
+    }
+};
+
+
+/**
+ * Tests that scopes can be expanded and contain expected data.
+ */
+TestSuite.prototype.testExpandScope = function()
+{
+    this.showPanel("scripts");
+    var test = this;
+
+    this._executeCodeWhenScriptsAreParsed("handleClick()", ["debugger_closure.html"]);
+
+    this._waitForScriptPause(
+        {
+            functionsOnStack: ["innerFunction", "handleClick", ""],
+            lineNumber: 8,
+            lineText: "    debugger;"
+        },
+        expandAllSectionsExceptGlobal);
+
+    // Expanding Global scope takes for too long so we skeep it.
+    function expandAllSectionsExceptGlobal() {
+        test._expandScopeSections(function(sections, i) {
+            return i < sections.length - 1;
+        },
+        examineScopes /* When all scopes are expanded and populated check them. */);
+    }
+
+    // Check scope sections contents.
+    function examineScopes() {
+        var scopeVariablesSection = test._findNode('//div[@id="scripts-sidebar"]/div[div[@class="title"]/text()="Scope Variables"]');
+        var expectedScopes = [
+            {
+                title: "Local",
+                properties: {
+                    x:"2009",
+                    innerFunctionLocalVar:"2011",
+                    "this": "DOMWindow",
+                }
+            },
+            {
+                title: "Closure",
+                properties: {
+                    n: '"TextParam"',
+                    makeClosureLocalVar: '"local.TextParam"',
+                }
+            },
+            {
+                title: "Global",
+            },
+        ];
+        var it = test._nodeIterator('./div[@class="body"]/div', scopeVariablesSection);
+        var scopeIndex = 0;
+        var scopeDiv;
+        while (scopeDiv = it.iterateNext()) {
+            test.assertTrue(scopeIndex < expectedScopes.length, "Too many scopes.");
+            test._checkScopeSectionDiv(scopeDiv, expectedScopes[scopeIndex]);
+            ++scopeIndex;
+        }
+        test.assertEquals(expectedScopes.length, scopeIndex, "Unexpected number of scopes.");
+
+        test.releaseControl();
+    }
+
+    test.takeControl();
+};
+
+
+/**
+ * Returns child tree element for a property with given name.
+ * @param {TreeElement} parent Parent tree element.
+ * @param {string} childName
+ * @param {string} objectPath Path to the object. Will be printed in the case
+ *     of failure.
+ * @return {TreeElement}
+ */
+TestSuite.prototype._findChildProperty = function(parent, childName, objectPath)
+{
+    var children = parent.children;
+    for (var i = 0; i < children.length; i++) {
+        var treeElement = children[i];
+        var property = treeElement.property;
+        if (property.name === childName)
+            return treeElement;
+    }
+    this.fail('Cannot find property "' + childName + '" in ' + objectPath);
+};
+
+
+/**
+ * Executes the 'code' with InjectedScriptAccess.getProperties overriden
+ * so that all callbacks passed to InjectedScriptAccess.getProperties are
+ * extended with the "hook".
+ * @param {Function} hook The hook function.
+ * @param {Function} code A code snippet to be executed.
+ */
+TestSuite.prototype._hookGetPropertiesCallback = function(hook, code)
+{
+    var accessor = InjectedScriptAccess.prototype;
+    var orig = accessor.getProperties;
+    accessor.getProperties = function(objectProxy, ignoreHasOwnProperty, abbreviate, callback) {
+        orig.call(this, objectProxy, ignoreHasOwnProperty, abbreviate,
+            function() {
+              callback.apply(this, arguments);
+              hook();
+            });
+    };
+    try {
+        code();
+    } finally {
+        accessor.getProperties = orig;
+    }
+};
+
+
+/**
+ * Tests that all elements in prototype chain of an object have expected
+ * intrinic proprties(__proto__, constructor, prototype).
+ */
+TestSuite.prototype.testDebugIntrinsicProperties = function()
+{
+    this.showPanel("scripts");
+    var test = this;
+
+    this._executeCodeWhenScriptsAreParsed("handleClick()", ["debugger_intrinsic_properties.html"]);
+
+    this._waitForScriptPause(
+        {
+            functionsOnStack: ["callDebugger", "handleClick", ""],
+            lineNumber: 29,
+            lineText: "  debugger;"
+        },
+        expandLocalScope);
+
+    var localScopeSection = null;
+    function expandLocalScope() {
+      test._expandScopeSections(function(sections, i) {
+              if (i === 0) {
+                  test.assertTrue(sections[i].object.isLocal, "Scope #0 is not Local.");
+                  localScopeSection = sections[i];
+                  return true;
+              }
+              return false;
+          },
+          examineLocalScope);
+    }
+
+    function examineLocalScope() {
+      var scopeExpectations = [
+          "a", "Child", [
+            "__proto__", "Child", [
+                  "__proto__", "Parent", [
+                      "__proto__", "Object", null,
+                    "constructor", "function Parent(n) {", [
+                        "name", '"Parent"', null,
+                        "prototype", 'Parent', [
+                            "parentProtoField", "11", null,
+                        ]
+                    ],
+                    "parentProtoField", "11", null,
+                ],
+                "constructor", "function Child(n) {", null,
+                "childProtoField", "21", null,
+            ],
+
+            "parentField", "10", null,
+            "childField", "20", null,
+          ]
+      ];
+      checkProperty(localScopeSection.propertiesTreeOutline, "<Local Scope>", scopeExpectations);
+    }
+
+    var propQueue = [];
+    var index = 0;
+    var expectedFinalIndex = 5;
+
+    function expandAndCheckNextProperty() {
+        if (index === propQueue.length) {
+            test.assertEquals(expectedFinalIndex, index, "Unexpected number of expanded objects.");
+            test.releaseControl();
+            return;
+        }
+
+        // Read next property data from the queue.
+        var treeElement = propQueue[index].treeElement;
+        var path = propQueue[index].path;
+        var expectations = propQueue[index].expectations;
+        index++;
+
+        // Expand the property.
+        test._hookGetPropertiesCallback(function() {
+                checkProperty(treeElement, path, expectations);
+            },
+            function() {
+                treeElement.expand();
+            });
+    }
+
+    function checkProperty(treeElement, path, expectations) {
+        for (var i = 0; i < expectations.length; i += 3) {
+            var name = expectations[i];
+            var description = expectations[i+1];
+            var value = expectations[i+2];
+
+            var propertyPath = path + "." + name;
+            var propertyTreeElement = test._findChildProperty(treeElement, name, path);
+            test.assertTrue(propertyTreeElement, 'Property "' + propertyPath + '" not found.');
+            test.assertEquals(description, propertyTreeElement.property.value.description, 'Unexpected "' + propertyPath + '" description.');
+            if (value) {
+                // Schedule property content check.
+                propQueue.push({
+                    treeElement: propertyTreeElement,
+                    path: propertyPath,
+                    expectations: value,
+                });
+            }
+        }
+        // Check next property in the queue.
+        expandAndCheckNextProperty();
+    }
+
+    test.takeControl();
+};
+
+
+/**
+ * Tests "Pause" button will pause debugger when a snippet is evaluated.
+ */
+TestSuite.prototype.testPauseInEval = function()
+{
+    this.showPanel("scripts");
+
+    var test = this;
+
+    var pauseButton = document.getElementById("scripts-pause");
+    pauseButton.click();
+
+    devtools.tools.evaluateJavaScript("fib(10)");
+
+    this.addSniffer(WebInspector, "pausedScript",
+        function() {
+            test.releaseControl();
+        });
+
+    test.takeControl();
+};
+
+
+/**
+ * Key event with given key identifier.
+ */
+TestSuite.createKeyEvent = function(keyIdentifier)
+{
+    var evt = document.createEvent("KeyboardEvent");
+    evt.initKeyboardEvent("keydown", true /* can bubble */, true /* can cancel */, null /* view */, keyIdentifier, "");
+    return evt;
+};
+
+
+/**
+ * Tests console eval.
+ */
+TestSuite.prototype.testConsoleEval = function()
+{
+    var test = this;
+    this.evaluateInConsole_("123",
+        function(resultText) {
+            test.assertEquals("123", resultText);
+            test.releaseControl();
+        });
+
+    this.takeControl();
+};
+
+
+/**
+ * Tests console log.
+ */
+TestSuite.prototype.testConsoleLog = function()
+{
+    WebInspector.showConsole();
+    var messages = WebInspector.console.messages;
+    var index = 0;
+
+    var test = this;
+    var assertNext = function(line, message, opt_class, opt_count, opt_substr) {
+        var elem = messages[index++].toMessageElement();
+        var clazz = elem.getAttribute("class");
+        var expectation = (opt_count || '') + 'console_test_page.html:' + line + message;
+        if (opt_substr)
+            test.assertContains(elem.textContent, expectation);
+        else
+            test.assertEquals(expectation, elem.textContent);
+        if (opt_class)
+            test.assertContains(clazz, "console-" + opt_class);
+    };
+
+    assertNext("5", "log", "log-level");
+    assertNext("7", "debug", "log-level");
+    assertNext("9", "info", "log-level");
+    assertNext("11", "warn", "warning-level");
+    assertNext("13", "error", "error-level");
+    assertNext("15", "Message format number 1, 2 and 3.5");
+    assertNext("17", "Message format for string");
+    assertNext("19", "Object Object");
+    assertNext("22", "repeated", "log-level", 5);
+    assertNext("26", "count: 1");
+    assertNext("26", "count: 2");
+    assertNext("29", "group", "group-title");
+    index++;
+    assertNext("33", "timer:", "log-level", "", true);
+    assertNext("35", "1 2 3", "log-level");
+    assertNext("37", "HTMLDocument", "log-level");
+    assertNext("39", "<html>", "log-level", "", true);
+};
+
+
+/**
+ * Tests eval of global objects.
+ */
+TestSuite.prototype.testEvalGlobal = function()
+{
+    WebInspector.showConsole();
+
+    var inputs = ["foo", "foobar"];
+    var expectations = ["foo", "fooValue", "foobar", "ReferenceError: foobar is not defined"];
+
+    // Do not change code below - simply add inputs and expectations above.
+    var initEval = function(input) {
+        WebInspector.console.prompt.text = input;
+        WebInspector.console.promptElement.dispatchEvent( TestSuite.createKeyEvent("Enter"));
+    };
+    var test = this;
+    var messagesCount = 0;
+    var inputIndex = 0;
+    this.addSniffer(WebInspector.ConsoleView.prototype, "addMessage",
+        function(commandResult) {
+            messagesCount++;
+            if (messagesCount === expectations.length) {
+                var messages = WebInspector.console.messages;
+                for (var i = 0; i < expectations; ++i) {
+                    var elem = messages[i++].toMessageElement();
+                    test.assertEquals(elem.textContent, expectations[i]);
+                }
+                test.releaseControl();
+            } else if (messagesCount % 2 === 0)
+                initEval(inputs[inputIndex++]);
+        }, true);
+
+    initEval(inputs[inputIndex++]);
+    this.takeControl();
+};
+
+
+/**
+ * Tests the message loop re-entrancy.
+ */
+TestSuite.prototype.testMessageLoopReentrant = function()
+{
+    var test = this;
+    this.showPanel("scripts");
+
+    var breakpointLine = 16;
+
+    WebInspector.showConsole();
+
+    this._waitUntilScriptsAreParsed(["debugger_test_page.html"],
+        function() {
+          test.showMainPageScriptSource_(
+              "debugger_test_page.html",
+              function(view, url) {
+                view._addBreakpoint(breakpointLine);
+
+                test.evaluateInConsole_(
+                    'setTimeout("calculate()", 0)',
+                    function(resultText) {
+                      test.assertTrue(!isNaN(resultText), "Failed to get timer id: " + resultText);
+                    });
+
+              });
+        });
+
+    // Wait until script is paused.
+    this.addSniffer(
+        WebInspector,
+        "pausedScript",
+        function(callFrames) {
+            test.evaluateInConsole_(
+                'document.cookie',
+                test.releaseControl.bind(test)); // This callback will be invoked only if the test succeeds (i.e. no crash).
+        });
+
+    this.takeControl();
+};
+
+
+/**
+ * Tests that Storage panel can be open and that local DOM storage is added
+ * to the panel.
+ */
+TestSuite.prototype.testShowStoragePanel = function()
+{
+    var test = this;
+    this.addSniffer(WebInspector.panels.storage, "addDOMStorage",
+        function(storage) {
+            var orig = storage.getEntries;
+            storage.getEntries = function(callback) {
+                orig.call(this, function(entries) {
+                    callback(entries);
+                    test.releaseControl();
+                });
+            };
+            try {
+                WebInspector.currentPanel.selectDOMStorage(storage.id);
+                storage.getEntries = orig;
+            } catch (e) {
+                test.fail("Exception in selectDOMStorage: " + e);
+            }
+        });
+    this.showPanel("storage");
+
+    // Access localStorage so that it's pushed to the frontend.
+    this.evaluateInConsole_(
+        'setTimeout("localStorage.x = 10" , 0)',
+        function(resultText) {
+            test.assertTrue(!isNaN(resultText), "Failed to get timer id: " + resultText);
+        });
+
+    // Wait until DOM storage is added to the panel.
+    this.takeControl();
+};
+
+
+/**
+ * Test runner for the test suite.
+ */
+var uiTests = {};
+
+
+/**
+ * Run each test from the test suit on a fresh instance of the suite.
+ */
+uiTests.runAllTests = function()
+{
+    // For debugging purposes.
+    for (var name in TestSuite.prototype) {
+        if (name.substring(0, 4) === "test" && typeof TestSuite.prototype[name] === "function")
+            uiTests.runTest(name);
+    }
+};
+
+
+/**
+ * Run specified test on a fresh instance of the test suite.
+ * @param {string} name Name of a test method from TestSuite class.
+ */
+uiTests.runTest = function(name)
+{
+    new TestSuite().runTest(name);
+};
+
+
+}