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diff --git a/chrome/browser/cocoa/clickhold_button_cell_unittest.mm b/chrome/browser/cocoa/clickhold_button_cell_unittest.mm
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+++ b/chrome/browser/cocoa/clickhold_button_cell_unittest.mm
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+// 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 "base/scoped_nsobject.h"
+#import "chrome/browser/cocoa/clickhold_button_cell.h"
+#import "chrome/browser/cocoa/cocoa_test_helper.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "testing/platform_test.h"
+
+namespace {
+
+class ClickHoldButtonCellTest : public PlatformTest {
+ public:
+  ClickHoldButtonCellTest() {
+    NSRect frame = NSMakeRect(0, 0, 50, 30);
+    view_.reset([[NSButton alloc] initWithFrame:frame]);
+    scoped_nsobject<ClickHoldButtonCell> cell(
+        [[ClickHoldButtonCell alloc] initTextCell:@"Testing"]);
+    [view_ setCell:cell.get()];
+    [cocoa_helper_.contentView() addSubview:view_.get()];
+  }
+
+  CocoaTestHelper cocoa_helper_;            // Inits Cocoa, creates window, etc.
+  scoped_nsobject<NSButton> view_;
+};
+
+// Test adding/removing from the view hierarchy, mostly to ensure nothing leaks
+// or crashes.
+TEST_F(ClickHoldButtonCellTest, AddRemove) {
+  EXPECT_EQ(cocoa_helper_.contentView(), [view_ superview]);
+  [view_.get() removeFromSuperview];
+  EXPECT_FALSE([view_ superview]);
+}
+
+// Test drawing, mostly to ensure nothing leaks or crashes.
+TEST_F(ClickHoldButtonCellTest, Display) {
+  [view_ display];
+}
+
+// Test default values; make sure they are what they should be.
+TEST_F(ClickHoldButtonCellTest, Defaults) {
+  ClickHoldButtonCell* cell = static_cast<ClickHoldButtonCell*>([view_ cell]);
+  ASSERT_TRUE([cell isKindOfClass:[ClickHoldButtonCell class]]);
+
+  EXPECT_FALSE([cell enableClickHold]);
+
+  NSTimeInterval clickHoldTimeout = [cell clickHoldTimeout];
+  EXPECT_GE(clickHoldTimeout, 0.15);  // Check for a "Cocoa-ish" value.
+  EXPECT_LE(clickHoldTimeout, 0.35);
+
+  EXPECT_FALSE([cell trackOnlyInRect]);
+  EXPECT_TRUE([cell activateOnDrag]);
+}
+
+// TODO(viettrungluu): (1) Enable click-hold and figure out how to test the
+// tracking loop (i.e., |-trackMouse:...|), which is the nontrivial part.
+// (2) Test various initialization code paths (in particular, loading from nib).
+
+}  // namespace