[inspector] added inspector test runner [part 5]

test/inspector-protocol/runtime/clear-of-command-line-api.js

+// Copyright 2016 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+print("Tests that CommandLineAPI is presented only while evaluation.");
+
+InspectorTest.evaluateInPage(
+`
+var methods = ["dir","dirxml","profile","profileEnd","clear","table","keys","values","debug","undebug","monitor","unmonitor","inspect","copy"];
+var window = this;
+function presentedAPIMethods()
+{
+    var methodCount = 0;
+    for (var method of methods) {
+        try {
+            if (eval("window." + method + "&&" + method + ".toString ? " + method + ".toString().indexOf(\\"[Command Line API]\\") !== -1 : false"))
+                ++methodCount;
+        } catch (e) {
+        }
+    }
+    methodCount += eval("\\"$_\\" in window ? $_ === 239 : false") ? 1 : 0;
+    return methodCount;
+}
+
+function setPropertyForMethod()
+{
+    window.dir = 42;
+}
+
+function defineValuePropertyForMethod()
+{
+    Object.defineProperty(window, "dir", { value: 42 });
+}
+
+function defineAccessorPropertyForMethod()
+{
+    Object.defineProperty(window, "dir", { set: function() {}, get: function(){ return 42 } });
+}
+
+function definePropertiesForMethod()
+{
+    Object.defineProperties(window, { "dir": { set: function() {}, get: function(){ return 42 } }});
+}
+
+var builtinGetOwnPropertyDescriptorOnObject;
+var builtinGetOwnPropertyDescriptorOnObjectPrototype;
+var builtinGetOwnPropertyDescriptorOnWindow;
+
+function redefineGetOwnPropertyDescriptors()
+{
+    builtinGetOwnPropertyDescriptorOnObject = Object.getOwnPropertyDescriptor;
+    Object.getOwnPropertyDescriptor = function() {}
+    builtinGetOwnPropertyDescriptorOnObjectPrototype = Object.prototype.getOwnPropertyDescriptor;
+    Object.prototype.getOwnPropertyDescriptor = function() {}
+    builtinGetOwnPropertyDescriptorOnWindow = window.getOwnPropertyDescriptor;
+    window.getOwnPropertyDescriptor = function() {}
+}
+
+function restoreGetOwnPropertyDescriptors()
+{
+    Object.getOwnPropertyDescriptor = builtinGetOwnPropertyDescriptorOnObject;
+    Object.prototype.getOwnPropertyDescriptor = builtinGetOwnPropertyDescriptorOnObjectPrototype;
+    window.getOwnPropertyDescriptor = builtinGetOwnPropertyDescriptorOnWindow;
+}`);
+
+runExpressionAndDumpPresentedMethods("")
+  .then(() => dumpLeftMethods())
+  .then(() => runExpressionAndDumpPresentedMethods("setPropertyForMethod()"))
+  .then(() => dumpLeftMethods())
+  .then(() => dumpDir())
+  .then(() => runExpressionAndDumpPresentedMethods("defineValuePropertyForMethod()"))
+  .then(() => dumpLeftMethods())
+  .then(() => dumpDir())
+  .then(() => runExpressionAndDumpPresentedMethods("definePropertiesForMethod()"))
+  .then(() => dumpLeftMethods())
+  .then(() => dumpDir())
+  .then(() => runExpressionAndDumpPresentedMethods("defineAccessorPropertyForMethod()"))
+  .then(() => dumpLeftMethods())
+  .then(() => dumpDir())
+  .then(() => runExpressionAndDumpPresentedMethods("redefineGetOwnPropertyDescriptors()"))
+  .then(() => dumpLeftMethods())
+  .then(() => dumpDir())
+  .then(() => evaluate("restoreGetOwnPropertyDescriptors()", false))
+  .then(() => InspectorTest.completeTest());
+
+function evaluate(expression, includeCommandLineAPI)
+{
+  var cb;
+  var p = new Promise(resolver => cb = resolver);
+  InspectorTest.sendCommandOrDie("Runtime.evaluate", { expression: expression, objectGroup: "console", includeCommandLineAPI: includeCommandLineAPI }, cb);
+  return p;
+}
+
+function setLastEvaluationResultTo239()
+{
+  return evaluate("239", false);
+}
+
+function runExpressionAndDumpPresentedMethods(expression)
+{
+  InspectorTest.log(expression);
+  return setLastEvaluationResultTo239()
+    .then(() => evaluate(expression + "; var a = presentedAPIMethods(); a", true))
+    .then((result) => InspectorTest.logObject(result));
+}
+
+function dumpLeftMethods()
+{
+  // Should always be zero.
+  return setLastEvaluationResultTo239()
+    .then(() => evaluate("presentedAPIMethods()", false))
+    .then((result) => InspectorTest.logObject(result));
+}
+
+function dumpDir()
+{
+  // Should always be presented.
+  return evaluate("dir", false)
+    .then((result) => InspectorTest.logObject(result));
+}