[inspector] added inspector test runner [part 5]

test/inspector/runtime/get-properties.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.
+
+// A general-purpose engine for sending a sequence of protocol commands.
+// The clients provide requests and response handlers, while the engine catches
+// errors and makes sure that once there's nothing to do completeTest() is called.
+// @param step is an object with command, params and callback fields
+function runRequestSeries(step)
+{
+  processStep(step);
+
+  function processStep(s)
+  {
+    try {
+      processStepOrFail(s);
+    } catch (e) {
+      InspectorTest.log(e.stack);
+      InspectorTest.completeTest();
+    }
+  }
+
+  function processStepOrFail(s)
+  {
+    if (!s) {
+      InspectorTest.completeTest();
+      return;
+    }
+    if (!s.command) {
+      // A simple loopback step.
+      var next = s.callback();
+      processStep(next);
+      return;
+    }
+
+    var innerCallback = function(response)
+    {
+      if ("error" in response) {
+        InspectorTest.log(response.error.message);
+        InspectorTest.completeTest();
+        return;
+      }
+      var next;
+      try {
+        next = s.callback(response.result);
+      } catch (e) {
+        InspectorTest.log(e.stack);
+        InspectorTest.completeTest();
+        return;
+      }
+      processStep(next);
+    }
+    InspectorTest.sendCommand(s.command, s.params, innerCallback);
+  }
+}
+
+var firstStep = { callback: callbackStart5 };
+
+runRequestSeries(firstStep);
+
+// 'Object5' section -- check properties of '5' wrapped as object  (has an internal property).
+
+function callbackStart5()
+{
+  // Create an wrapper object with additional property.
+  var expression = "(function(){var r = Object(5); r.foo = 'cat';return r;})()";
+
+  return { command: "Runtime.evaluate", params: {expression: expression}, callback: callbackEval5 };
+}
+function callbackEval5(result)
+{
+  var id = result.result.objectId;
+  if (id === undefined)
+    throw new Error("objectId is expected");
+  return {
+    command: "Runtime.getProperties", params: {objectId: id, ownProperties: true}, callback: callbackProperties5
+  };
+}
+function callbackProperties5(result)
+{
+  logGetPropertiesResult("Object(5)", result);
+  return { callback: callbackStartNotOwn };
+}
+
+
+// 'Not own' section -- check all properties of the object, including ones from it prototype chain.
+
+function callbackStartNotOwn()
+{
+  // Create an wrapper object with additional property.
+  var expression = "({ a: 2, set b(_) {}, get b() {return 5;}, __proto__: { a: 3, c: 4, get d() {return 6;} }})";
+
+  return { command: "Runtime.evaluate", params: {expression: expression}, callback: callbackEvalNotOwn };
+}
+function callbackEvalNotOwn(result)
+{
+  var id = result.result.objectId;
+  if (id === undefined)
+    throw new Error("objectId is expected");
+  return {
+    command: "Runtime.getProperties", params: {objectId: id, ownProperties: false}, callback: callbackPropertiesNotOwn
+  };
+}
+function callbackPropertiesNotOwn(result)
+{
+  logGetPropertiesResult("Not own properties", result);
+  return { callback: callbackStartAccessorsOnly };
+}
+
+
+// 'Accessors only' section -- check only accessor properties of the object.
+
+function callbackStartAccessorsOnly()
+{
+  // Create an wrapper object with additional property.
+  var expression = "({ a: 2, set b(_) {}, get b() {return 5;}, c: 'c', set d(_){} })";
+
+  return { command: "Runtime.evaluate", params: {expression: expression}, callback: callbackEvalAccessorsOnly };
+}
+function callbackEvalAccessorsOnly(result)
+{
+  var id = result.result.objectId;
+  if (id === undefined)
+    throw new Error("objectId is expected");
+  return {
+    command: "Runtime.getProperties", params: {objectId: id, ownProperties: true, accessorPropertiesOnly: true}, callback: callbackPropertiesAccessorsOnly
+  };
+}
+function callbackPropertiesAccessorsOnly(result)
+{
+  logGetPropertiesResult("Accessor only properties", result);
+  return { callback: callbackStartArray };
+}
+
+
+// 'Array' section -- check properties of an array.
+
+function callbackStartArray()
+{
+  var expression = "['red', 'green', 'blue']";
+  return { command: "Runtime.evaluate", params: {expression: expression}, callback: callbackEvalArray };
+}
+function callbackEvalArray(result)
+{
+  var id = result.result.objectId;
+  if (id === undefined)
+    throw new Error("objectId is expected");
+  return {
+    command: "Runtime.getProperties", params: {objectId: id, ownProperties: true}, callback: callbackPropertiesArray
+  };
+}
+function callbackPropertiesArray(result)
+{
+  logGetPropertiesResult("array", result);
+  return { callback: callbackStartBound };
+}
+
+
+// 'Bound' section -- check properties of a bound function (has a bunch of internal properties).
+
+function callbackStartBound()
+{
+  var expression = "Number.bind({}, 5)";
+  return { command: "Runtime.evaluate", params: {expression: expression}, callback: callbackEvalBound };
+}
+function callbackEvalBound(result)
+{
+  var id = result.result.objectId;
+  if (id === undefined)
+    throw new Error("objectId is expected");
+  return {
+    command: "Runtime.getProperties", params: {objectId: id, ownProperties: true}, callback: callbackPropertiesBound
+  };
+}
+function callbackPropertiesBound(result)
+{
+  logGetPropertiesResult("Bound function", result);
+  return; // End of test
+}
+
+// A helper function that dumps object properties and internal properties in sorted order.
+function logGetPropertiesResult(title, protocolResult)
+{
+  function hasGetterSetter(property, fieldName)
+  {
+    var v = property[fieldName];
+    if (!v)
+      return false;
+    return v.type !== "undefined"
+  }
+
+  InspectorTest.log("Properties of " + title);
+  var propertyArray = protocolResult.result;
+  propertyArray.sort(NamedThingComparator);
+  for (var i = 0; i < propertyArray.length; i++) {
+    var p = propertyArray[i];
+    var v = p.value;
+    var own = p.isOwn ? "own" : "inherited";
+    if (v)
+      InspectorTest.log("  " + p.name + " " + own + " " + v.type + " " + v.value);
+    else
+      InspectorTest.log("  " + p.name + " " + own + " no value" +
+        (hasGetterSetter(p, "get") ? ", getter" : "") + (hasGetterSetter(p, "set") ? ", setter" : ""));
+  }
+  var internalPropertyArray = protocolResult.internalProperties;
+  if (internalPropertyArray) {
+    InspectorTest.log("Internal properties");
+    internalPropertyArray.sort(NamedThingComparator);
+    for (var i = 0; i < internalPropertyArray.length; i++) {
+      var p = internalPropertyArray[i];
+      var v = p.value;
+      InspectorTest.log("  " + p.name + " " + v.type + " " + v.value);
+    }
+  }
+
+  function NamedThingComparator(o1, o2)
+  {
+    return o1.name === o2.name ? 0 : (o1.name < o2.name ? -1 : 1);
+  }
+}