Upstream Chrome on iOS source code [7/11].

ios/chrome/browser/ui/settings/contextual_search_collection_view_controller_unittest.mm

+// Copyright 2015 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.
+
+#import "ios/chrome/browser/ui/settings/contextual_search_collection_view_controller.h"
+
+#include <memory>
+
+#include "ios/chrome/browser/browser_state/test_chrome_browser_state.h"
+#import "ios/chrome/browser/ui/collection_view/collection_view_controller_test.h"
+#import "ios/chrome/browser/ui/contextual_search/touch_to_search_permissions_mediator.h"
+#include "ios/chrome/grit/ios_strings.h"
+#include "ios/web/public/test/test_web_thread_bundle.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "testing/gtest_mac.h"
+#include "testing/platform_test.h"
+#include "ui/base/l10n/l10n_util_mac.h"
+
+namespace {
+
+class ContextualSearchCollectionViewControllerTest
+    : public CollectionViewControllerTest {
+ protected:
+  ContextualSearchCollectionViewControllerTest() {
+    TestChromeBrowserState::Builder browserStateBuilder;
+    browser_state_ = browserStateBuilder.Build();
+    tts_permissions_.reset([[TouchToSearchPermissionsMediator alloc]
+        initWithBrowserState:browser_state_.get()]);
+  }
+
+  CollectionViewController* NewController() override NS_RETURNS_RETAINED {
+    return [[ContextualSearchCollectionViewController alloc]
+        initWithPermissions:tts_permissions_];
+  }
+
+  web::TestWebThreadBundle thread_bundle_;
+  std::unique_ptr<TestChromeBrowserState> browser_state_;
+  base::scoped_nsobject<TouchToSearchPermissionsMediator> tts_permissions_;
+};
+
+TEST_F(ContextualSearchCollectionViewControllerTest,
+       TestModelContextualSearchOff) {
+  [tts_permissions_ setPreferenceState:TouchToSearch::DISABLED];
+  CreateController();
+  CheckController();
+  EXPECT_EQ(2, NumberOfSections());
+  EXPECT_EQ(1, NumberOfItemsInSection(0));
+  CheckSwitchCellStateAndTitleWithId(NO, IDS_IOS_CONTEXTUAL_SEARCH_TITLE, 0, 0);
+}
+
+TEST_F(ContextualSearchCollectionViewControllerTest,
+       TestModelContextualSearchOn) {
+  [tts_permissions_ setPreferenceState:TouchToSearch::ENABLED];
+  CreateController();
+  EXPECT_EQ(2, NumberOfSections());
+  EXPECT_EQ(1, NumberOfItemsInSection(0));
+  CheckSwitchCellStateAndTitleWithId(YES, IDS_IOS_CONTEXTUAL_SEARCH_TITLE, 0,
+                                     0);
+}
+
+TEST_F(ContextualSearchCollectionViewControllerTest,
+       TestModelContextualSearchUndecided) {
+  [tts_permissions_ setPreferenceState:TouchToSearch::UNDECIDED];
+  CreateController();
+  EXPECT_EQ(2, NumberOfSections());
+  EXPECT_EQ(1, NumberOfItemsInSection(0));
+  CheckSwitchCellStateAndTitleWithId(YES, IDS_IOS_CONTEXTUAL_SEARCH_TITLE, 0,
+                                     0);
+}
+
+}  // namespace