chrome/browser/loadtimes_extension_bindings_browsertest.cc

   1 // Copyright 2012 The Chromium Authors
   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 "chrome/browser/ui/browser.h"
   6 #include "chrome/browser/ui/tabs/tab_strip_model.h"
   7 #include "chrome/test/base/in_process_browser_test.h"
   8 #include "chrome/test/base/ui_test_utils.h"
   9 #include "content/public/browser/web_contents.h"
  10 #include "content/public/test/browser_test.h"
  11 #include "content/public/test/browser_test_utils.h"
  12 #include "net/test/embedded_test_server/embedded_test_server.h"
  13
  14 class LoadtimesExtensionBindingsTest : public InProcessBrowserTest {
  15  public:
  16   LoadtimesExtensionBindingsTest() {}
  17
  18   void CompareBeforeAndAfter() {
  19     // TODO(simonjam): There's a race on whether or not first paint is populated
  20     // before we read them. We ought to test that too. Until the race is fixed,
  21     // zero it out so the test is stable.
  22     content::WebContents* contents =
  23         browser()->tab_strip_model()->GetActiveWebContents();
  24     ASSERT_TRUE(content::ExecJs(contents,
  25                                 "window.before.firstPaintAfterLoadTime = 0;"
  26                                 "window.before.firstPaintTime = 0;"
  27                                 "window.after.firstPaintAfterLoadTime = 0;"
  28                                 "window.after.firstPaintTime = 0;"));
  29
  30     std::string before =
  31         content::EvalJs(contents, "JSON.stringify(before)").ExtractString();
  32     std::string after =
  33         content::EvalJs(contents, "JSON.stringify(after)").ExtractString();
  34     EXPECT_EQ(before, after);
  35   }
  36 };
  37
  38 IN_PROC_BROWSER_TEST_F(LoadtimesExtensionBindingsTest,
  39                        LoadTimesSameAfterClientInDocNavigation) {
  40   ASSERT_TRUE(embedded_test_server()->Start());
  41   GURL plain_url = embedded_test_server()->GetURL("/simple.html");
  42   ASSERT_TRUE(ui_test_utils::NavigateToURL(browser(), plain_url));
  43   content::WebContents* contents =
  44       browser()->tab_strip_model()->GetActiveWebContents();
  45   ASSERT_TRUE(
  46       content::ExecJs(contents, "window.before = window.chrome.loadTimes()"));
  47   ASSERT_TRUE(content::ExecJs(
  48       contents, "window.location.href = window.location + \"#\""));
  49   ASSERT_TRUE(
  50       content::ExecJs(contents, "window.after = window.chrome.loadTimes()"));
  51   CompareBeforeAndAfter();
  52 }
  53
  54 IN_PROC_BROWSER_TEST_F(LoadtimesExtensionBindingsTest,
  55                        LoadTimesSameAfterUserInDocNavigation) {
  56   ASSERT_TRUE(embedded_test_server()->Start());
  57   GURL plain_url = embedded_test_server()->GetURL("/simple.html");
  58   GURL hash_url(plain_url.spec() + "#");
  59   ASSERT_TRUE(ui_test_utils::NavigateToURL(browser(), plain_url));
  60   content::WebContents* contents =
  61       browser()->tab_strip_model()->GetActiveWebContents();
  62   ASSERT_TRUE(
  63       content::ExecJs(contents, "window.before = window.chrome.loadTimes()"));
  64   ASSERT_TRUE(ui_test_utils::NavigateToURL(browser(), hash_url));
  65   ASSERT_TRUE(
  66       content::ExecJs(contents, "window.after = window.chrome.loadTimes()"));
  67   CompareBeforeAndAfter();
  68 }