1 // Copyright (c) 2012 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 #include "base/message_loop/message_loop.h" 6 #include "chrome/browser/prerender/prerender_manager.h" 7 #include "content/public/test/test_browser_thread.h" 8 #include "testing/gtest/include/gtest/gtest.h" 9 10 11 namespace prerender { 12 13 namespace { 14 15 // These tests don't require the dummy PrerenderContents & PrerenderManager that 16 // the heavier PrerenderTest.* tests do. 17 class PrerenderManagerTest : public testing::Test { 18 public: 19 PrerenderManagerTest() 20 : ui_thread_(content::BrowserThread::UI, &message_loop_), 21 prerender_manager_(NULL, NULL) { 22 } 23 24 PrerenderManager* prerender_manager() { return &prerender_manager_; } 25 26 base::MessageLoop message_loop_; 27 content::TestBrowserThread ui_thread_; 28 PrerenderManager prerender_manager_; 29 }; 30 31 TEST_F(PrerenderManagerTest, IsWebContentsPrerenderedTest) { 32 // The methods being tested should not dereference their WebContents, instead 33 // they use it as a unique identifier. 34 int not_a_webcontents = 0; 35 content::WebContents* web_contents = 36 reinterpret_cast<content::WebContents*>(¬_a_webcontents); 37 38 EXPECT_FALSE(prerender_manager()->IsWebContentsPrerendered( 39 web_contents, NULL)); 40 41 const Origin origin = ORIGIN_OMNIBOX; 42 prerender_manager()->MarkWebContentsAsPrerendered(web_contents, origin); 43 44 Origin test_origin = ORIGIN_NONE; 45 EXPECT_TRUE(prerender_manager()->IsWebContentsPrerendered( 46 web_contents, &test_origin)); 47 48 int also_not_a_webcontents = 1; 49 content::WebContents* another_web_contents = 50 reinterpret_cast<content::WebContents*>(&also_not_a_webcontents); 51 EXPECT_FALSE(prerender_manager()->IsWebContentsPrerendered( 52 another_web_contents, NULL)); 53 54 EXPECT_EQ(origin, test_origin); 55 56 prerender_manager()->MarkWebContentsAsNotPrerendered(web_contents); 57 EXPECT_FALSE(prerender_manager()->IsWebContentsPrerendered( 58 web_contents, NULL)); 59 } 60 61 TEST_F(PrerenderManagerTest, WouldWebContentsBePrerenderedTest) { 62 // The methods being tested should not dereference their WebContents, instead 63 // they use it as a unique identifier. 64 int not_a_webcontents = 0; 65 content::WebContents* web_contents = 66 reinterpret_cast<content::WebContents*>(¬_a_webcontents); 67 68 EXPECT_FALSE(prerender_manager()->WouldWebContentsBePrerendered( 69 web_contents, NULL)); 70 71 const Origin origin = ORIGIN_OMNIBOX; 72 prerender_manager()->MarkWebContentsAsWouldBePrerendered(web_contents, 73 origin); 74 75 Origin test_origin = ORIGIN_NONE; 76 EXPECT_TRUE(prerender_manager()->WouldWebContentsBePrerendered( 77 web_contents, &test_origin)); 78 EXPECT_EQ(origin, test_origin); 79 80 int also_not_a_webcontents = 1; 81 content::WebContents* another_web_contents = 82 reinterpret_cast<content::WebContents*>(&also_not_a_webcontents); 83 EXPECT_FALSE(prerender_manager()->WouldWebContentsBePrerendered( 84 another_web_contents, NULL)); 85 86 // Control group (aka WouldBe...) web_contents need to be removed twice. See 87 // the comment in prerender_manager.cc at the definition of 88 // WouldBePrerenderedWebContentsData and its inner enum State. 89 prerender_manager()->MarkWebContentsAsNotPrerendered(web_contents); 90 EXPECT_TRUE(prerender_manager()->WouldWebContentsBePrerendered( 91 web_contents, NULL)); 92 93 prerender_manager()->MarkWebContentsAsNotPrerendered(web_contents); 94 EXPECT_FALSE(prerender_manager()->WouldWebContentsBePrerendered( 95 web_contents, NULL)); 96 } 97 98 } // namespace 99 100 } // namespace prerender 101