// Copyright (c) 2010 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 <Cocoa/Cocoa.h>

#include "base/string_util.h"
#include "chrome/browser/cocoa/browser_accessibility.h"
#include "chrome/browser/cocoa/cocoa_test_helper.h"
#include "testing/gtest/include/gtest/gtest.h"

@interface MockAccessibilityDelegate : NSObject<BrowserAccessibilityDelegate>

- (NSPoint)accessibilityPointInScreen:(BrowserAccessibility*)accessibility;
- (void)doDefaultAction:(int32)accessibilityObjectId;
- (void)setAccessibilityFocus:(BOOL)focus
              accessibilityId:(int32)accessibilityObjectId;
- (NSWindow*)window;

@end

@implementation MockAccessibilityDelegate

- (NSPoint)accessibilityPointInScreen:(BrowserAccessibility*)accessibility {
  return NSZeroPoint;
}
- (void)doDefaultAction:(int32)accessibilityObjectId {
}
- (void)setAccessibilityFocus:(BOOL)focus
              accessibilityId:(int32)accessibilityObjectId {
}
- (NSWindow*)window {
  return nil;
}

@end


class BrowserAccessibilityTest : public CocoaTest {
 public:
  virtual void SetUp() {
    CocoaTest::SetUp();
    WebAccessibility root;
    root.location.x = 0;
    root.location.y = 0;
    root.location.width = 500;
    root.location.height = 100;
    root.attributes[WebAccessibility::ATTR_HELP] = ASCIIToUTF16("HelpText");

    WebAccessibility child1;
    child1.name = ASCIIToUTF16("Child1");
    child1.location.x = 0;
    child1.location.y = 0;
    child1.location.width = 250;
    child1.location.height = 100;
    
    WebAccessibility child2;
    child2.location.x = 250;
    child2.location.y = 0;
    child2.location.width = 250;
    child2.location.height = 100;
    
    root.children.push_back(child1);
    root.children.push_back(child2);    
    
    delegate_.reset([[MockAccessibilityDelegate alloc] init]);
    accessibility_.reset(
        [[BrowserAccessibility alloc] initWithObject:root
                                            delegate:delegate_
                                              parent:delegate_]);
  }
 
 protected:
  scoped_nsobject<MockAccessibilityDelegate> delegate_;
  scoped_nsobject<BrowserAccessibility> accessibility_;
};

TEST_F(BrowserAccessibilityTest, HitTestTest) {
  BrowserAccessibility* firstChild =
      [accessibility_ accessibilityHitTest:NSMakePoint(50, 50)];
  EXPECT_TRUE(
      [[firstChild accessibilityAttributeValue:NSAccessibilityTitleAttribute]
        isEqualToString:@"Child1"]);
}

TEST_F(BrowserAccessibilityTest, BasicAttributeTest) {
  NSString* helpText = [accessibility_
      accessibilityAttributeValue:NSAccessibilityHelpAttribute];
  EXPECT_TRUE([helpText isEqualToString: @"HelpText"]);
}