Index: ios/chrome/browser/web/tab_id_tab_helper_unittest.mm |
diff --git a/ios/chrome/browser/web/tab_id_tab_helper_unittest.mm b/ios/chrome/browser/web/tab_id_tab_helper_unittest.mm |
new file mode 100644 |
index 0000000000000000000000000000000000000000..4709fc4a295220b66909999e5e1ca8f3b928d50b |
--- /dev/null |
+++ b/ios/chrome/browser/web/tab_id_tab_helper_unittest.mm |
@@ -0,0 +1,65 @@ |
+// Copyright 2017 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/web/tab_id_tab_helper.h" |
+ |
+#import "ios/web/public/test/fakes/test_web_state.h" |
+#include "testing/gtest/include/gtest/gtest.h" |
+#import "testing/gtest_mac.h" |
+#include "testing/platform_test.h" |
+ |
+#if !defined(__has_feature) || !__has_feature(objc_arc) |
+#error "This file requires ARC support." |
+#endif |
+ |
+// Test fixture for TabIdTabHelper class. |
+class TabIdTabHelperTest : public PlatformTest { |
+ protected: |
+ web::TestWebState first_web_state_; |
+ web::TestWebState second_web_state_; |
+}; |
+ |
+// Tests that a tab ID is returned for a WebState, and tab ID's are different |
+// for different WebStates. |
+TEST_F(TabIdTabHelperTest, UniqueIdentifiers) { |
+ TabIdTabHelper::CreateForWebState(&first_web_state_); |
+ TabIdTabHelper::CreateForWebState(&second_web_state_); |
+ |
+ const NSString* first_tab_id = |
+ TabIdTabHelper::FromWebState(&first_web_state_)->tab_id(); |
+ const NSString* second_tab_id = |
+ TabIdTabHelper::FromWebState(&second_web_state_)->tab_id(); |
+ |
+ EXPECT_GT([first_tab_id length], 0U); |
+ EXPECT_GT([second_tab_id length], 0U); |
+ EXPECT_NSNE(first_tab_id, second_tab_id); |
+} |
+ |
+// Tests that a tab ID is stable across successive calls. |
+TEST_F(TabIdTabHelperTest, StableAcrossCalls) { |
+ TabIdTabHelper::CreateForWebState(&first_web_state_); |
+ TabIdTabHelper* tab_helper = TabIdTabHelper::FromWebState(&first_web_state_); |
+ |
+ const NSString* first_call_id = tab_helper->tab_id(); |
+ const NSString* second_call_id = tab_helper->tab_id(); |
+ |
+ EXPECT_NSEQ(first_call_id, second_call_id); |
+} |
+ |
+// Tests serialization of a tab ID. |
+TEST_F(TabIdTabHelperTest, Serialization) { |
+ TabIdTabHelper::CreateForWebState(&first_web_state_); |
+ TabIdTabHelper* first_tab_helper = |
+ TabIdTabHelper::FromWebState(&first_web_state_); |
+ const NSString* first_call_id = first_tab_helper->tab_id(); |
+ |
+ first_tab_helper->RemoveFromWebState(&first_web_state_); |
+ |
+ TabIdTabHelper::CreateForWebState(&first_web_state_); |
+ TabIdTabHelper* second_tab_helper = |
+ TabIdTabHelper::FromWebState(&first_web_state_); |
+ const NSString* second_call_id = second_tab_helper->tab_id(); |
+ |
+ EXPECT_NSEQ(first_call_id, second_call_id); |
+} |