First cut at infobars on Mac. These are not expected to be...

chrome/browser/cocoa/infobar_text_field_unittest.mm

+// Copyright (c) 2009 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 "chrome/browser/cocoa/cocoa_test_helper.h"
+#import "chrome/browser/cocoa/infobar_text_field.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "testing/platform_test.h"
+
+@interface TextFieldDelegatePong: NSObject {
+ @private
+  BOOL pong_;
+}
+@property(readonly) BOOL pong;
+@end
+
+@implementation TextFieldDelegatePong
+@synthesize pong = pong_;
+
+- (id)init {
+  if ((self == [super init])) {
+    pong_ = NO;
+  }
+  return self;
+}
+
+- (void)linkClicked {
+  pong_ = YES;
+}
+@end
+
+namespace {
+
+///////////////////////////////////////////////////////////////////////////
+// Test fixtures
+
+class InfoBarTextFieldTest : public PlatformTest {
+ protected:
+  CocoaTestHelper helper_;
+};
+
+////////////////////////////////////////////////////////////////////////////
+// Tests
+
+TEST_F(InfoBarTextFieldTest, Show) {
+  // Test basic drawing.
+  scoped_nsobject<InfoBarTextField> field(
+      [[InfoBarTextField alloc] initWithFrame:NSMakeRect(0, 0, 200, 200)]);
+  [helper_.contentView() addSubview:field];
+}
+
+TEST_F(InfoBarTextFieldTest, LinkClicked) {
+  scoped_nsobject<InfoBarTextField> field(
+      [[InfoBarTextField alloc] initWithFrame:NSMakeRect(0, 0, 200, 200)]);
+  scoped_nsobject<TextFieldDelegatePong> delegate(
+      [[TextFieldDelegatePong alloc] init]);
+  [field setDelegate:delegate];
+
+  // Our implementation doesn't look at any of these fields, so they
+  // can all be nil.
+  [field textView:nil clickedOnLink:nil atIndex:0];
+  EXPECT_TRUE([delegate pong]);
+}
+
+}  // namespace