Move ModuleSystem and NativeHandler to extensions/

chrome/renderer/module_system_unittest.cc

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "chrome/test/base/module_system_test.h"
-#include "base/memory/scoped_ptr.h"
-#include "chrome/renderer/module_system.h"
-
-class CounterNatives : public NativeHandler {
- public:
-  CounterNatives() : counter_(0) {
-    RouteFunction("Get", base::Bind(&CounterNatives::Get,
-        base::Unretained(this)));
-    RouteFunction("Increment", base::Bind(&CounterNatives::Increment,
-        base::Unretained(this)));
-  }
-
-  v8::Handle<v8::Value> Get(const v8::Arguments& args) {
-    return v8::Integer::New(counter_);
-  }
-
-  v8::Handle<v8::Value> Increment(const v8::Arguments& args) {
-    counter_++;
-    return v8::Undefined();
-  }
-
- private:
-  int counter_;
-};
-
-TEST_F(ModuleSystemTest, TestRequire) {
-  ModuleSystem::NativesEnabledScope natives_enabled_scope(module_system_.get());
-  RegisterModule("add", "exports.Add = function(x, y) { return x + y; };");
-  RegisterModule("test",
-      "var Add = require('add').Add;"
-      "requireNative('assert').AssertTrue(Add(3, 5) == 8);");
-  module_system_->Require("test");
-}
-
-TEST_F(ModuleSystemTest, TestNestedRequire) {
-  ModuleSystem::NativesEnabledScope natives_enabled_scope(module_system_.get());
-  RegisterModule("add", "exports.Add = function(x, y) { return x + y; };");
-  RegisterModule("double",
-      "var Add = require('add').Add;"
-      "exports.Double = function(x) { return Add(x, x); };");
-  RegisterModule("test",
-      "var Double = require('double').Double;"
-      "requireNative('assert').AssertTrue(Double(3) == 6);");
-  module_system_->Require("test");
-}
-
-TEST_F(ModuleSystemTest, TestModuleInsulation) {
-  ModuleSystem::NativesEnabledScope natives_enabled_scope(module_system_.get());
-  RegisterModule("x",
-      "var x = 10;"
-      "exports.X = function() { return x; };");
-  RegisterModule("y",
-      "var x = 15;"
-      "require('x');"
-      "exports.Y = function() { return x; };");
-  RegisterModule("test",
-      "var Y = require('y').Y;"
-      "var X = require('x').X;"
-      "var assert = requireNative('assert');"
-      "assert.AssertTrue(!this.hasOwnProperty('x'));"
-      "assert.AssertTrue(Y() == 15);"
-      "assert.AssertTrue(X() == 10);");
-  module_system_->Require("test");
-}
-
-TEST_F(ModuleSystemTest, TestNativesAreDisabledOutsideANativesEnabledScope) {
-  RegisterModule("test",
-      "var assert;"
-      "try {"
-      "  assert = requireNative('assert');"
-      "} catch (e) {"
-      "  caught = true;"
-      "}"
-      "if (assert) {"
-      "  assert.AssertTrue(true);"
-      "}");
-  module_system_->Require("test");
-  ExpectNoAssertionsMade();
-}
-
-TEST_F(ModuleSystemTest, TestNativesAreEnabledWithinANativesEnabledScope) {
-  RegisterModule("test",
-      "var assert = requireNative('assert');"
-      "assert.AssertTrue(true);");
-
-  {
-    ModuleSystem::NativesEnabledScope natives_enabled(module_system_.get());
-    {
-      ModuleSystem::NativesEnabledScope natives_enabled_inner(
-          module_system_.get());
-    }
-    module_system_->Require("test");
-  }
-}
-
-TEST_F(ModuleSystemTest, TestLazyField) {
-  ModuleSystem::NativesEnabledScope natives_enabled_scope(module_system_.get());
-  RegisterModule("lazy",
-      "exports.x = 5;");
-
-  v8::Handle<v8::Object> object = CreateGlobal("object");
-
-  module_system_->SetLazyField(object, "blah", "lazy", "x");
-
-  RegisterModule("test",
-      "var assert = requireNative('assert');"
-      "assert.AssertTrue(object.blah == 5);");
-  module_system_->Require("test");
-}
-
-TEST_F(ModuleSystemTest, TestLazyFieldYieldingObject) {
-  ModuleSystem::NativesEnabledScope natives_enabled_scope(module_system_.get());
-  RegisterModule("lazy",
-      "var object = {};"
-      "object.__defineGetter__('z', function() { return 1; });"
-      "object.x = 5;"
-      "object.y = function() { return 10; };"
-      "exports.object = object;");
-
-  v8::Handle<v8::Object> object = CreateGlobal("object");
-
-  module_system_->SetLazyField(object, "thing", "lazy", "object");
-
-  RegisterModule("test",
-      "var assert = requireNative('assert');"
-      "assert.AssertTrue(object.thing.x == 5);"
-      "assert.AssertTrue(object.thing.y() == 10);"
-      "assert.AssertTrue(object.thing.z == 1);"
-      );
-  module_system_->Require("test");
-}
-
-TEST_F(ModuleSystemTest, TestLazyFieldIsOnlyEvaledOnce) {
-  ModuleSystem::NativesEnabledScope natives_enabled_scope(module_system_.get());
-  module_system_->RegisterNativeHandler(
-      "counter",
-      scoped_ptr<NativeHandler>(new CounterNatives()));
-  RegisterModule("lazy",
-      "requireNative('counter').Increment();"
-      "exports.x = 5;");
-
-  v8::Handle<v8::Object> object = CreateGlobal("object");
-
-  module_system_->SetLazyField(object, "x", "lazy", "x");
-
-  RegisterModule("test",
-      "var assert = requireNative('assert');"
-      "var counter = requireNative('counter');"
-      "assert.AssertTrue(counter.Get() == 0);"
-      "object.x;"
-      "assert.AssertTrue(counter.Get() == 1);"
-      "object.x;"
-      "assert.AssertTrue(counter.Get() == 1);");
-  module_system_->Require("test");
-}
-
-TEST_F(ModuleSystemTest, TestRequireNativesAfterLazyEvaluation) {
-  ModuleSystem::NativesEnabledScope natives_enabled_scope(module_system_.get());
-  RegisterModule("lazy",
-      "exports.x = 5;");
-  v8::Handle<v8::Object> object = CreateGlobal("object");
-
-  module_system_->SetLazyField(object, "x", "lazy", "x");
-  RegisterModule("test",
-      "object.x;"
-      "requireNative('assert').AssertTrue(true);");
-  module_system_->Require("test");
-}
-
-TEST_F(ModuleSystemTest, TestTransitiveRequire) {
-  ModuleSystem::NativesEnabledScope natives_enabled_scope(module_system_.get());
-  RegisterModule("dependency",
-      "exports.x = 5;");
-  RegisterModule("lazy",
-      "exports.output = require('dependency');");
-
-  v8::Handle<v8::Object> object = CreateGlobal("object");
-
-  module_system_->SetLazyField(object, "thing", "lazy", "output");
-
-  RegisterModule("test",
-      "var assert = requireNative('assert');"
-      "assert.AssertTrue(object.thing.x == 5);");
-  module_system_->Require("test");
-}
-
-TEST_F(ModuleSystemTest, TestModulesOnlyGetEvaledOnce) {
-  ModuleSystem::NativesEnabledScope natives_enabled_scope(module_system_.get());
-  module_system_->RegisterNativeHandler(
-      "counter",
-      scoped_ptr<NativeHandler>(new CounterNatives()));
-
-  RegisterModule("incrementsWhenEvaled",
-      "requireNative('counter').Increment();");
-  RegisterModule("test",
-      "var assert = requireNative('assert');"
-      "var counter = requireNative('counter');"
-      "assert.AssertTrue(counter.Get() == 0);"
-      "require('incrementsWhenEvaled');"
-      "assert.AssertTrue(counter.Get() == 1);"
-      "require('incrementsWhenEvaled');"
-      "assert.AssertTrue(counter.Get() == 1);");
-
-  module_system_->Require("test");
-}
-
-TEST_F(ModuleSystemTest, TestOverrideNativeHandler) {
-  ModuleSystem::NativesEnabledScope natives_enabled_scope(module_system_.get());
-  OverrideNativeHandler("assert", "exports.AssertTrue = function() {};");
-  RegisterModule("test", "requireNative('assert').AssertTrue(true);");
-  ExpectNoAssertionsMade();
-  module_system_->Require("test");
-}
-
-TEST_F(ModuleSystemTest, TestOverrideNonExistentNativeHandler) {
-  ModuleSystem::NativesEnabledScope natives_enabled_scope(module_system_.get());
-  OverrideNativeHandler("thing", "exports.x = 5;");
-  RegisterModule("test",
-      "var assert = requireNative('assert');"
-      "assert.AssertTrue(requireNative('thing').x == 5);");
-  module_system_->Require("test");
-}