ios/chrome/browser/ui/infobars/infobar_egtest.mm - chromium/src - Git at Google

 // Copyright 2016 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 <XCTest/XCTest.h>

 #include "base/strings/sys_string_conversions.h"
 #import "ios/chrome/browser/ui/infobars/infobar_manager_app_interface.h"
 #import "ios/chrome/test/earl_grey/chrome_earl_grey.h"
 #import "ios/chrome/test/earl_grey/chrome_matchers.h"
 #import "ios/chrome/test/earl_grey/chrome_test_case.h"
 #import "ios/testing/earl_grey/earl_grey_test.h"
 #import "ios/web/public/test/http_server/http_server.h"
 #include "ios/web/public/test/http_server/http_server_util.h"
 #include "url/gurl.h"
 #include "url/url_constants.h"

 #if !defined(__has_feature) || !__has_feature(objc_arc)
 #error "This file requires ARC support."
 #endif

 #if defined(CHROME_EARL_GREY_2)
 // TODO(crbug.com/1015113): The EG2 macro is breaking indexing for some reason
 // without the trailing semicolon.  For now, disable the extra semi warning
 // so Xcode indexing works for the egtest.
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Wc++98-compat-extra-semi"
 GREY_STUB_CLASS_IN_APP_MAIN_QUEUE(InfobarManagerAppInterface);
 #endif  // defined(CHROME_EARL_GREY_2)

 namespace {

 // Timeout for how long to wait for an infobar to appear or disapper.
 const CFTimeInterval kTimeout = 4.0;

 // Verifies that a single TestInfoBar with |message| is either present or absent
 // on the current tab.
 void VerifyTestInfoBarVisibleForCurrentTab(bool visible, NSString* message) {
   id<GREYMatcher> expected_visibility =
       visible ? grey_minimumVisiblePercent(1.0f) : grey_notVisible();
   NSString* condition_name =
       visible ? @"Waiting for infobar to show" : @"Waiting for infobar to hide";

 #if defined(CHROME_EARL_GREY_1)
   [[GREYCondition
       conditionWithName:condition_name
                   block:^BOOL {
                     NSError* error = nil;
                     [[EarlGrey
                         selectElementWithMatcher:
                             chrome_test_util::StaticTextWithAccessibilityLabel(
                                 message)] assertWithMatcher:expected_visibility
                                                       error:&error];
                     return error == nil;
                   }] waitWithTimeout:kTimeout];
 #elif defined(CHROME_EARL_GREY_2)
   GREYAssertTrue(
       [[GREYCondition
           conditionWithName:condition_name
                       block:^BOOL {
                         NSError* error = nil;
                         [[EarlGrey
                             selectElementWithMatcher:
                                 chrome_test_util::
                                     StaticTextWithAccessibilityLabel(message)]
                             assertWithMatcher:expected_visibility
                                         error:&error];
                         return error == nil;
                       }] waitWithTimeout:kTimeout],
       condition_name);
 #else
 #error Must define either CHROME_EARL_GREY_1 or CHROME_EARL_GREY_2.
 #endif
 }

 }  // namespace

 // Tests functionality related to infobars.
 @interface InfobarTestCase : ChromeTestCase
 @end

 @implementation InfobarTestCase

 // Tests that page infobars don't persist on navigation.
 - (void)testInfobarsDismissOnNavigate {
   web::test::SetUpFileBasedHttpServer();

   // Open a new tab and navigate to the test page.
   const GURL testURL = web::test::HttpServer::MakeUrl(
       "http://ios/testing/data/http_server_files/pony.html");
   [ChromeEarlGrey loadURL:testURL];
   [ChromeEarlGrey waitForMainTabCount:1];

   // Infobar Message
   NSString* infoBarMessage = @"TestInfoBar";

   // Add a test infobar to the current tab. Verify that the infobar is present
   // in the model and that the infobar view is visible on screen.
   GREYAssertTrue([InfobarManagerAppInterface
                      addTestInfoBarToCurrentTabWithMessage:infoBarMessage],
                  @"Failed to add infobar to test tab.");
   VerifyTestInfoBarVisibleForCurrentTab(true, infoBarMessage);
   GREYAssertTrue([InfobarManagerAppInterface verifyInfobarCount:1],
                  @"Incorrect number of infobars.");

   // Navigate to a different page.  Verify that the infobar is dismissed and no
   // longer visible on screen.
   [ChromeEarlGrey loadURL:GURL(url::kAboutBlankURL)];
   VerifyTestInfoBarVisibleForCurrentTab(false, infoBarMessage);
   GREYAssertTrue([InfobarManagerAppInterface verifyInfobarCount:0],
                  @"Incorrect number of infobars.");
 }

 // Tests that page infobars persist only on the tabs they are opened on, and
 // that navigation in other tabs doesn't affect them.
 - (void)testInfobarTabSwitch {
   const GURL destinationURL = web::test::HttpServer::MakeUrl(
       "http://ios/testing/data/http_server_files/destination.html");
   const GURL ponyURL = web::test::HttpServer::MakeUrl(
       "http://ios/testing/data/http_server_files/pony.html");
   web::test::SetUpFileBasedHttpServer();

   // Create the first tab and navigate to the test page.
   [ChromeEarlGrey loadURL:destinationURL];
   [ChromeEarlGrey waitForMainTabCount:1];

   // Infobar Message
   NSString* infoBarMessage = @"TestInfoBar";

   // Create the second tab, navigate to the test page, and add the test infobar.
   [ChromeEarlGrey openNewTab];
   [ChromeEarlGrey loadURL:ponyURL];
   [ChromeEarlGrey waitForMainTabCount:2];
   VerifyTestInfoBarVisibleForCurrentTab(false, infoBarMessage);
   GREYAssertTrue([InfobarManagerAppInterface verifyInfobarCount:0],
                  @"Incorrect number of infobars.");
   GREYAssertTrue([InfobarManagerAppInterface
                      addTestInfoBarToCurrentTabWithMessage:infoBarMessage],
                  @"Failed to add infobar to second tab.");
   VerifyTestInfoBarVisibleForCurrentTab(true, infoBarMessage);
   GREYAssertTrue([InfobarManagerAppInterface verifyInfobarCount:1],
                  @"Incorrect number of infobars.");

   // Switch back to the first tab and make sure no infobar is visible.
   [ChromeEarlGrey selectTabAtIndex:0U];
   VerifyTestInfoBarVisibleForCurrentTab(false, infoBarMessage);
   GREYAssertTrue([InfobarManagerAppInterface verifyInfobarCount:0],
                  @"Incorrect number of infobars.");

   // Navigate to a different URL in the first tab, to verify that this
   // navigation does not hide the infobar in the second tab.
   [ChromeEarlGrey loadURL:ponyURL];

   // Close the first tab.  Verify that there is only one tab remaining and its
   // infobar is visible.
   [ChromeEarlGrey closeCurrentTab];
   [ChromeEarlGrey waitForMainTabCount:1];
   VerifyTestInfoBarVisibleForCurrentTab(true, infoBarMessage);
   GREYAssertTrue([InfobarManagerAppInterface verifyInfobarCount:1],
                  @"Incorrect number of infobars.");
 }

 // Tests that the Infobar dissapears once the "OK" button is tapped.
 - (void)testInfobarButtonDismissal {
   web::test::SetUpFileBasedHttpServer();

   // Open a new tab and navigate to the test page.
   const GURL testURL = web::test::HttpServer::MakeUrl(
       "http://ios/testing/data/http_server_files/pony.html");
   [ChromeEarlGrey loadURL:testURL];
   [ChromeEarlGrey waitForMainTabCount:1];

   // Infobar Message
   NSString* infoBarMessage = @"TestInfoBar";

   // Add a test infobar to the current tab. Verify that the infobar is present
   // in the model and that the infobar view is visible on screen.
   GREYAssertTrue([InfobarManagerAppInterface
                      addTestInfoBarToCurrentTabWithMessage:infoBarMessage],
                  @"Failed to add infobar to test tab.");
   VerifyTestInfoBarVisibleForCurrentTab(true, infoBarMessage);
   GREYAssertTrue([InfobarManagerAppInterface verifyInfobarCount:1],
                  @"Incorrect number of infobars.");

   // Tap on "OK" which should dismiss the Infobar.
   [[EarlGrey
       selectElementWithMatcher:grey_allOf(grey_buttonTitle(@"OK"),
                                           grey_sufficientlyVisible(), nil)]
       performAction:grey_tap()];
   VerifyTestInfoBarVisibleForCurrentTab(false, infoBarMessage);
   GREYAssertTrue([InfobarManagerAppInterface verifyInfobarCount:0],
                  @"Incorrect number of infobars.");
 }

 // Tests adding an Infobar on top of an existing one.
 - (void)testInfobarTopMostVisible {
   web::test::SetUpFileBasedHttpServer();

   // Open a new tab and navigate to the test page.
   const GURL testURL = web::test::HttpServer::MakeUrl(
       "http://ios/testing/data/http_server_files/pony.html");
   [ChromeEarlGrey loadURL:testURL];
   [ChromeEarlGrey waitForMainTabCount:1];

   // First Infobar Message
   NSString* firstInfoBarMessage = @"TestFirstInfoBar";

   // Add a test infobar to the current tab. Verify that the infobar is present
   // in the model and that the infobar view is visible on screen.
   GREYAssertTrue([InfobarManagerAppInterface
                      addTestInfoBarToCurrentTabWithMessage:firstInfoBarMessage],
                  @"Failed to add infobar to test tab.");
   VerifyTestInfoBarVisibleForCurrentTab(true, firstInfoBarMessage);
   GREYAssertTrue([InfobarManagerAppInterface verifyInfobarCount:1],
                  @"Incorrect number of infobars.");

   // Second Infobar Message
   NSString* secondInfoBarMessage = @"TestSecondInfoBar";

   // Add a second test infobar to the current tab. Verify that the infobar is
   // present in the model, and that only this second infobar is now visible on
   // screen.
   GREYAssertTrue(
       [InfobarManagerAppInterface
           addTestInfoBarToCurrentTabWithMessage:secondInfoBarMessage],
       @"Failed to add infobar to test tab.");
   VerifyTestInfoBarVisibleForCurrentTab(true, secondInfoBarMessage);
   VerifyTestInfoBarVisibleForCurrentTab(false, firstInfoBarMessage);
   GREYAssertTrue([InfobarManagerAppInterface verifyInfobarCount:2],
                  @"Incorrect number of infobars.");
 }

 // Tests that a taller Infobar layout is correct and the OK button is tappable.
 - (void)testInfobarTallerLayout {
   web::test::SetUpFileBasedHttpServer();

   // Open a new tab and navigate to the test page.
   const GURL testURL = web::test::HttpServer::MakeUrl(
       "http://ios/testing/data/http_server_files/pony.html");
   [ChromeEarlGrey loadURL:testURL];
   [ChromeEarlGrey waitForMainTabCount:1];

   // Infobar Message
   NSString* firstInfoBarMessage =
       @"This is a really long message that will cause this infobar height to "
       @"increase since Confirm Infobar heights changes depending on its "
       @"message.";

   // Add a test infobar to the current tab. Verify that the infobar is present
   // in the model and that the infobar view is visible on screen.
   GREYAssertTrue([InfobarManagerAppInterface
                      addTestInfoBarToCurrentTabWithMessage:firstInfoBarMessage],
                  @"Failed to add infobar to test tab.");
   VerifyTestInfoBarVisibleForCurrentTab(true, firstInfoBarMessage);
   GREYAssertTrue([InfobarManagerAppInterface verifyInfobarCount:1],
                  @"Incorrect number of infobars.");

   // Dismiss the Infobar.
   [[EarlGrey
       selectElementWithMatcher:grey_allOf(grey_buttonTitle(@"OK"),
                                           grey_sufficientlyVisible(), nil)]
       performAction:grey_tap()];
   VerifyTestInfoBarVisibleForCurrentTab(false, firstInfoBarMessage);
   GREYAssertTrue([InfobarManagerAppInterface verifyInfobarCount:0],
                  @"Incorrect number of infobars.");
 }

 // Tests that adding an Infobar of lower height on top of a taller Infobar only
 // displays the top shorter one, and that after dismissing the shorter Infobar
 // the taller infobar is now completely displayed again.
 - (void)testInfobarTopMostVisibleHeight {
   web::test::SetUpFileBasedHttpServer();

   // Open a new tab and navigate to the test page.
   const GURL testURL = web::test::HttpServer::MakeUrl(
       "http://ios/testing/data/http_server_files/pony.html");
   [ChromeEarlGrey loadURL:testURL];
   [ChromeEarlGrey waitForMainTabCount:1];

   // First Infobar Message
   NSString* firstInfoBarMessage =
       @"This is a really long message that will cause this infobar height to "
       @"increase since Confirm Infobar heights changes depending on its "
       @"message.";

   // Add a test infobar to the current tab. Verify that the infobar is present
   // in the model and that the infobar view is visible on screen.
   GREYAssertTrue([InfobarManagerAppInterface
                      addTestInfoBarToCurrentTabWithMessage:firstInfoBarMessage],
                  @"Failed to add infobar to test tab.");
   VerifyTestInfoBarVisibleForCurrentTab(true, firstInfoBarMessage);
   GREYAssertTrue([InfobarManagerAppInterface verifyInfobarCount:1],
                  @"Incorrect number of infobars.");

   // Second Infobar Message
   NSString* secondInfoBarMessage = @"TestSecondInfoBar";

   // Add a second test infobar to the current tab. Verify that the infobar is
   // present in the model, and that only this second infobar is now visible on
   // screen.
   GREYAssertTrue(
       [InfobarManagerAppInterface
           addTestInfoBarToCurrentTabWithMessage:secondInfoBarMessage],
       @"Failed to add infobar to test tab.");
   VerifyTestInfoBarVisibleForCurrentTab(true, secondInfoBarMessage);
   VerifyTestInfoBarVisibleForCurrentTab(false, firstInfoBarMessage);
   GREYAssertTrue([InfobarManagerAppInterface verifyInfobarCount:2],
                  @"Incorrect number of infobars.");

   // Dismiss the second Infobar.
   [[EarlGrey
       selectElementWithMatcher:grey_allOf(grey_buttonTitle(@"OK"),
                                           grey_sufficientlyVisible(), nil)]
       performAction:grey_tap()];
   VerifyTestInfoBarVisibleForCurrentTab(false, secondInfoBarMessage);
   VerifyTestInfoBarVisibleForCurrentTab(true, firstInfoBarMessage);
   GREYAssertTrue([InfobarManagerAppInterface verifyInfobarCount:1],
                  @"Incorrect number of infobars.");
 }

 @end
	// Copyright 2016 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 <XCTest/XCTest.h>

	#include "base/strings/sys_string_conversions.h"
	#import "ios/chrome/browser/ui/infobars/infobar_manager_app_interface.h"
	#import "ios/chrome/test/earl_grey/chrome_earl_grey.h"
	#import "ios/chrome/test/earl_grey/chrome_matchers.h"
	#import "ios/chrome/test/earl_grey/chrome_test_case.h"
	#import "ios/testing/earl_grey/earl_grey_test.h"
	#import "ios/web/public/test/http_server/http_server.h"
	#include "ios/web/public/test/http_server/http_server_util.h"
	#include "url/gurl.h"
	#include "url/url_constants.h"

	#if !defined(__has_feature) \|\| !__has_feature(objc_arc)
	#error "This file requires ARC support."
	#endif

	#if defined(CHROME_EARL_GREY_2)
	// TODO(crbug.com/1015113): The EG2 macro is breaking indexing for some reason
	// without the trailing semicolon. For now, disable the extra semi warning
	// so Xcode indexing works for the egtest.
	#pragma clang diagnostic push
	#pragma clang diagnostic ignored "-Wc++98-compat-extra-semi"
	GREY_STUB_CLASS_IN_APP_MAIN_QUEUE(InfobarManagerAppInterface);
	#endif // defined(CHROME_EARL_GREY_2)

	namespace {

	// Timeout for how long to wait for an infobar to appear or disapper.
	const CFTimeInterval kTimeout = 4.0;

	// Verifies that a single TestInfoBar with \|message\| is either present or absent
	// on the current tab.
	void VerifyTestInfoBarVisibleForCurrentTab(bool visible, NSString* message) {
	id<GREYMatcher> expected_visibility =
	visible ? grey_minimumVisiblePercent(1.0f) : grey_notVisible();
	NSString* condition_name =
	visible ? @"Waiting for infobar to show" : @"Waiting for infobar to hide";

	#if defined(CHROME_EARL_GREY_1)
	[[GREYCondition
	conditionWithName:condition_name
	block:^BOOL {
	NSError* error = nil;
	[[EarlGrey
	selectElementWithMatcher:
	chrome_test_util::StaticTextWithAccessibilityLabel(
	message)] assertWithMatcher:expected_visibility
	error:&error];
	return error == nil;
	}] waitWithTimeout:kTimeout];
	#elif defined(CHROME_EARL_GREY_2)
	GREYAssertTrue(
	[[GREYCondition
	conditionWithName:condition_name
	block:^BOOL {
	NSError* error = nil;
	[[EarlGrey
	selectElementWithMatcher:
	chrome_test_util::
	StaticTextWithAccessibilityLabel(message)]
	assertWithMatcher:expected_visibility
	error:&error];
	return error == nil;
	}] waitWithTimeout:kTimeout],
	condition_name);
	#else
	#error Must define either CHROME_EARL_GREY_1 or CHROME_EARL_GREY_2.
	#endif
	}

	} // namespace

	// Tests functionality related to infobars.
	@interface InfobarTestCase : ChromeTestCase
	@end

	@implementation InfobarTestCase

	// Tests that page infobars don't persist on navigation.
	- (void)testInfobarsDismissOnNavigate {
	web::test::SetUpFileBasedHttpServer();

	// Open a new tab and navigate to the test page.
	const GURL testURL = web::test::HttpServer::MakeUrl(
	"http://ios/testing/data/http_server_files/pony.html");
	[ChromeEarlGrey loadURL:testURL];
	[ChromeEarlGrey waitForMainTabCount:1];

	// Infobar Message
	NSString* infoBarMessage = @"TestInfoBar";

	// Add a test infobar to the current tab. Verify that the infobar is present
	// in the model and that the infobar view is visible on screen.
	GREYAssertTrue([InfobarManagerAppInterface
	addTestInfoBarToCurrentTabWithMessage:infoBarMessage],
	@"Failed to add infobar to test tab.");
	VerifyTestInfoBarVisibleForCurrentTab(true, infoBarMessage);
	GREYAssertTrue([InfobarManagerAppInterface verifyInfobarCount:1],
	@"Incorrect number of infobars.");

	// Navigate to a different page. Verify that the infobar is dismissed and no
	// longer visible on screen.
	[ChromeEarlGrey loadURL:GURL(url::kAboutBlankURL)];
	VerifyTestInfoBarVisibleForCurrentTab(false, infoBarMessage);
	GREYAssertTrue([InfobarManagerAppInterface verifyInfobarCount:0],
	@"Incorrect number of infobars.");
	}

	// Tests that page infobars persist only on the tabs they are opened on, and
	// that navigation in other tabs doesn't affect them.
	- (void)testInfobarTabSwitch {
	const GURL destinationURL = web::test::HttpServer::MakeUrl(
	"http://ios/testing/data/http_server_files/destination.html");
	const GURL ponyURL = web::test::HttpServer::MakeUrl(
	"http://ios/testing/data/http_server_files/pony.html");
	web::test::SetUpFileBasedHttpServer();

	// Create the first tab and navigate to the test page.
	[ChromeEarlGrey loadURL:destinationURL];
	[ChromeEarlGrey waitForMainTabCount:1];

	// Infobar Message
	NSString* infoBarMessage = @"TestInfoBar";

	// Create the second tab, navigate to the test page, and add the test infobar.
	[ChromeEarlGrey openNewTab];
	[ChromeEarlGrey loadURL:ponyURL];
	[ChromeEarlGrey waitForMainTabCount:2];
	VerifyTestInfoBarVisibleForCurrentTab(false, infoBarMessage);
	GREYAssertTrue([InfobarManagerAppInterface verifyInfobarCount:0],
	@"Incorrect number of infobars.");
	GREYAssertTrue([InfobarManagerAppInterface
	addTestInfoBarToCurrentTabWithMessage:infoBarMessage],
	@"Failed to add infobar to second tab.");
	VerifyTestInfoBarVisibleForCurrentTab(true, infoBarMessage);
	GREYAssertTrue([InfobarManagerAppInterface verifyInfobarCount:1],
	@"Incorrect number of infobars.");

	// Switch back to the first tab and make sure no infobar is visible.
	[ChromeEarlGrey selectTabAtIndex:0U];
	VerifyTestInfoBarVisibleForCurrentTab(false, infoBarMessage);
	GREYAssertTrue([InfobarManagerAppInterface verifyInfobarCount:0],
	@"Incorrect number of infobars.");

	// Navigate to a different URL in the first tab, to verify that this
	// navigation does not hide the infobar in the second tab.
	[ChromeEarlGrey loadURL:ponyURL];

	// Close the first tab. Verify that there is only one tab remaining and its
	// infobar is visible.
	[ChromeEarlGrey closeCurrentTab];
	[ChromeEarlGrey waitForMainTabCount:1];
	VerifyTestInfoBarVisibleForCurrentTab(true, infoBarMessage);
	GREYAssertTrue([InfobarManagerAppInterface verifyInfobarCount:1],
	@"Incorrect number of infobars.");
	}

	// Tests that the Infobar dissapears once the "OK" button is tapped.
	- (void)testInfobarButtonDismissal {
	web::test::SetUpFileBasedHttpServer();

	// Open a new tab and navigate to the test page.
	const GURL testURL = web::test::HttpServer::MakeUrl(
	"http://ios/testing/data/http_server_files/pony.html");
	[ChromeEarlGrey loadURL:testURL];
	[ChromeEarlGrey waitForMainTabCount:1];

	// Infobar Message
	NSString* infoBarMessage = @"TestInfoBar";

	// Add a test infobar to the current tab. Verify that the infobar is present
	// in the model and that the infobar view is visible on screen.
	GREYAssertTrue([InfobarManagerAppInterface
	addTestInfoBarToCurrentTabWithMessage:infoBarMessage],
	@"Failed to add infobar to test tab.");
	VerifyTestInfoBarVisibleForCurrentTab(true, infoBarMessage);
	GREYAssertTrue([InfobarManagerAppInterface verifyInfobarCount:1],
	@"Incorrect number of infobars.");

	// Tap on "OK" which should dismiss the Infobar.
	[[EarlGrey
	selectElementWithMatcher:grey_allOf(grey_buttonTitle(@"OK"),
	grey_sufficientlyVisible(), nil)]
	performAction:grey_tap()];
	VerifyTestInfoBarVisibleForCurrentTab(false, infoBarMessage);
	GREYAssertTrue([InfobarManagerAppInterface verifyInfobarCount:0],
	@"Incorrect number of infobars.");
	}

	// Tests adding an Infobar on top of an existing one.
	- (void)testInfobarTopMostVisible {
	web::test::SetUpFileBasedHttpServer();

	// Open a new tab and navigate to the test page.
	const GURL testURL = web::test::HttpServer::MakeUrl(
	"http://ios/testing/data/http_server_files/pony.html");
	[ChromeEarlGrey loadURL:testURL];
	[ChromeEarlGrey waitForMainTabCount:1];

	// First Infobar Message
	NSString* firstInfoBarMessage = @"TestFirstInfoBar";

	// Add a test infobar to the current tab. Verify that the infobar is present
	// in the model and that the infobar view is visible on screen.
	GREYAssertTrue([InfobarManagerAppInterface
	addTestInfoBarToCurrentTabWithMessage:firstInfoBarMessage],
	@"Failed to add infobar to test tab.");
	VerifyTestInfoBarVisibleForCurrentTab(true, firstInfoBarMessage);
	GREYAssertTrue([InfobarManagerAppInterface verifyInfobarCount:1],
	@"Incorrect number of infobars.");

	// Second Infobar Message
	NSString* secondInfoBarMessage = @"TestSecondInfoBar";

	// Add a second test infobar to the current tab. Verify that the infobar is
	// present in the model, and that only this second infobar is now visible on
	// screen.
	GREYAssertTrue(
	[InfobarManagerAppInterface
	addTestInfoBarToCurrentTabWithMessage:secondInfoBarMessage],
	@"Failed to add infobar to test tab.");
	VerifyTestInfoBarVisibleForCurrentTab(true, secondInfoBarMessage);
	VerifyTestInfoBarVisibleForCurrentTab(false, firstInfoBarMessage);
	GREYAssertTrue([InfobarManagerAppInterface verifyInfobarCount:2],
	@"Incorrect number of infobars.");
	}

	// Tests that a taller Infobar layout is correct and the OK button is tappable.
	- (void)testInfobarTallerLayout {
	web::test::SetUpFileBasedHttpServer();

	// Open a new tab and navigate to the test page.
	const GURL testURL = web::test::HttpServer::MakeUrl(
	"http://ios/testing/data/http_server_files/pony.html");
	[ChromeEarlGrey loadURL:testURL];
	[ChromeEarlGrey waitForMainTabCount:1];

	// Infobar Message
	NSString* firstInfoBarMessage =
	@"This is a really long message that will cause this infobar height to "
	@"increase since Confirm Infobar heights changes depending on its "
	@"message.";

	// Add a test infobar to the current tab. Verify that the infobar is present
	// in the model and that the infobar view is visible on screen.
	GREYAssertTrue([InfobarManagerAppInterface
	addTestInfoBarToCurrentTabWithMessage:firstInfoBarMessage],
	@"Failed to add infobar to test tab.");
	VerifyTestInfoBarVisibleForCurrentTab(true, firstInfoBarMessage);
	GREYAssertTrue([InfobarManagerAppInterface verifyInfobarCount:1],
	@"Incorrect number of infobars.");

	// Dismiss the Infobar.
	[[EarlGrey
	selectElementWithMatcher:grey_allOf(grey_buttonTitle(@"OK"),
	grey_sufficientlyVisible(), nil)]
	performAction:grey_tap()];
	VerifyTestInfoBarVisibleForCurrentTab(false, firstInfoBarMessage);
	GREYAssertTrue([InfobarManagerAppInterface verifyInfobarCount:0],
	@"Incorrect number of infobars.");
	}

	// Tests that adding an Infobar of lower height on top of a taller Infobar only
	// displays the top shorter one, and that after dismissing the shorter Infobar
	// the taller infobar is now completely displayed again.
	- (void)testInfobarTopMostVisibleHeight {
	web::test::SetUpFileBasedHttpServer();

	// Open a new tab and navigate to the test page.
	const GURL testURL = web::test::HttpServer::MakeUrl(
	"http://ios/testing/data/http_server_files/pony.html");
	[ChromeEarlGrey loadURL:testURL];
	[ChromeEarlGrey waitForMainTabCount:1];

	// First Infobar Message
	NSString* firstInfoBarMessage =
	@"This is a really long message that will cause this infobar height to "
	@"increase since Confirm Infobar heights changes depending on its "
	@"message.";

	// Add a test infobar to the current tab. Verify that the infobar is present
	// in the model and that the infobar view is visible on screen.
	GREYAssertTrue([InfobarManagerAppInterface
	addTestInfoBarToCurrentTabWithMessage:firstInfoBarMessage],
	@"Failed to add infobar to test tab.");
	VerifyTestInfoBarVisibleForCurrentTab(true, firstInfoBarMessage);
	GREYAssertTrue([InfobarManagerAppInterface verifyInfobarCount:1],
	@"Incorrect number of infobars.");

	// Second Infobar Message
	NSString* secondInfoBarMessage = @"TestSecondInfoBar";

	// Add a second test infobar to the current tab. Verify that the infobar is
	// present in the model, and that only this second infobar is now visible on
	// screen.
	GREYAssertTrue(
	[InfobarManagerAppInterface
	addTestInfoBarToCurrentTabWithMessage:secondInfoBarMessage],
	@"Failed to add infobar to test tab.");
	VerifyTestInfoBarVisibleForCurrentTab(true, secondInfoBarMessage);
	VerifyTestInfoBarVisibleForCurrentTab(false, firstInfoBarMessage);
	GREYAssertTrue([InfobarManagerAppInterface verifyInfobarCount:2],
	@"Incorrect number of infobars.");

	// Dismiss the second Infobar.
	[[EarlGrey
	selectElementWithMatcher:grey_allOf(grey_buttonTitle(@"OK"),
	grey_sufficientlyVisible(), nil)]
	performAction:grey_tap()];
	VerifyTestInfoBarVisibleForCurrentTab(false, secondInfoBarMessage);
	VerifyTestInfoBarVisibleForCurrentTab(true, firstInfoBarMessage);
	GREYAssertTrue([InfobarManagerAppInterface verifyInfobarCount:1],
	@"Incorrect number of infobars.");
	}

	@end