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| 1 // Copyright 2017 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #import <ChromeWebView/ChromeWebView.h> |
| 6 |
| 7 #import "ios/web_view/test/chrome_web_view_test.h" |
| 8 #include "testing/gtest_mac.h" |
| 9 |
| 10 #if !defined(__has_feature) || !__has_feature(objc_arc) |
| 11 #error "This file requires ARC support." |
| 12 #endif |
| 13 |
| 14 namespace { |
| 15 |
| 16 // Creates web view for testing. |
| 17 CWVWebView* CreateWebView() { |
| 18 return [[CWVWebView alloc] |
| 19 initWithFrame:CGRectMake(0, 0, 50, 50) |
| 20 configuration:[CWVWebViewConfiguration defaultConfiguration]]; |
| 21 } |
| 22 |
| 23 // Creates a new web view and restores its state from |source_web_view|. |
| 24 CWVWebView* CreateWebViewWithState(CWVWebView* source_web_view) { |
| 25 NSMutableData* data = [[NSMutableData alloc] init]; |
| 26 NSKeyedArchiver* archiver = |
| 27 [[NSKeyedArchiver alloc] initForWritingWithMutableData:data]; |
| 28 [source_web_view encodeRestorableStateWithCoder:archiver]; |
| 29 [archiver finishEncoding]; |
| 30 NSKeyedUnarchiver* unarchiver = |
| 31 [[NSKeyedUnarchiver alloc] initForReadingWithData:data]; |
| 32 CWVWebView* result = CreateWebView(); |
| 33 [result decodeRestorableStateWithCoder:unarchiver]; |
| 34 return result; |
| 35 } |
| 36 |
| 37 } // namespace |
| 38 |
| 39 namespace ios_web_view { |
| 40 |
| 41 // Tests encodeRestorableStateWithCoder: and decodeRestorableStateWithCoder: |
| 42 // methods. |
| 43 typedef ios_web_view::ChromeWebViewTest ChromeWebViewRestorableStateTest; |
| 44 TEST_F(ChromeWebViewRestorableStateTest, EncodeDecode) { |
| 45 // Create web view that will be used as a source for state restoration. |
| 46 CWVWebView* web_view = CreateWebView(); |
| 47 |
| 48 // Load 2 URLs to create non-default state. |
| 49 ASSERT_FALSE(web_view.lastCommittedURL); |
| 50 ASSERT_FALSE(web_view.visibleURL); |
| 51 ASSERT_FALSE(web_view.canGoBack); |
| 52 ASSERT_FALSE(web_view.canGoForward); |
| 53 LoadUrl(web_view, [NSURL URLWithString:@"about:newtab"]); |
| 54 ASSERT_NSEQ(@"about:newtab", web_view.lastCommittedURL.absoluteString); |
| 55 ASSERT_NSEQ(@"about:newtab", web_view.visibleURL.absoluteString); |
| 56 LoadUrl(web_view, [NSURL URLWithString:@"about:blank"]); |
| 57 ASSERT_NSEQ(@"about:blank", web_view.lastCommittedURL.absoluteString); |
| 58 ASSERT_NSEQ(@"about:blank", web_view.visibleURL.absoluteString); |
| 59 ASSERT_TRUE(web_view.canGoBack); |
| 60 ASSERT_FALSE(web_view.canGoForward); |
| 61 |
| 62 // Create second web view and restore its state from the first web view. |
| 63 CWVWebView* restored_web_view = CreateWebViewWithState(web_view); |
| 64 |
| 65 // Verify that the state has been restored correctly. |
| 66 EXPECT_NSEQ(@"about:blank", |
| 67 restored_web_view.lastCommittedURL.absoluteString); |
| 68 EXPECT_NSEQ(@"about:blank", restored_web_view.visibleURL.absoluteString); |
| 69 EXPECT_TRUE(web_view.canGoBack); |
| 70 EXPECT_FALSE(web_view.canGoForward); |
| 71 } |
| 72 |
| 73 } // namespace ios_web_view |
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