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chrome/browser/cocoa/gradient_button_cell_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 "base/scoped_nsobject.h"
 #import "chrome/browser/cocoa/gradient_button_cell.h"
 #import "chrome/browser/cocoa/cocoa_test_helper.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/platform_test.h"
 
 @interface GradientButtonCell (HoverValueTesting)
-- (void)adjustHoverValue;
+- (void)performOnePulseStep;
 @end
 
 namespace {
 
 class GradientButtonCellTest : public CocoaTest {
  public:
   GradientButtonCellTest() {
     NSRect frame = NSMakeRect(0, 0, 50, 30);
     scoped_nsobject<NSButton>view([[NSButton alloc] initWithFrame:frame]);
     view_ = view.get();
@@ skipping 19 matching lines @@
 }
 
 // Test hover, mostly to ensure nothing leaks or crashes.
 TEST_F(GradientButtonCellTest, Hover) {
   GradientButtonCell* cell = [view_ cell];
   [cell setMouseInside:YES animate:NO];
   EXPECT_EQ([[view_ cell] hoverAlpha], 1.0);
 
   [cell setMouseInside:NO animate:YES];
   CGFloat alpha1 = [cell hoverAlpha];
-  [cell adjustHoverValue];
+  [cell performOnePulseStep];
   CGFloat alpha2 = [cell hoverAlpha];
   EXPECT_TRUE(alpha2 < alpha1);
 }
 
 // Tracking rects
 TEST_F(GradientButtonCellTest, TrackingRects) {
   GradientButtonCell* cell = [view_ cell];
   EXPECT_FALSE([cell showsBorderOnlyWhileMouseInside]);
   EXPECT_FALSE([cell isMouseInside]);
 
   [cell setShowsBorderOnlyWhileMouseInside:YES];
   [cell mouseEntered:nil];
   EXPECT_TRUE([cell isMouseInside]);
   [cell mouseExited:nil];
   EXPECT_FALSE([cell isMouseInside]);
 
   [cell setShowsBorderOnlyWhileMouseInside:NO];
   EXPECT_FALSE([cell isMouseInside]);
 
   [cell setShowsBorderOnlyWhileMouseInside:YES];
   [cell setShowsBorderOnlyWhileMouseInside:YES];
   [cell setShowsBorderOnlyWhileMouseInside:NO];
   [cell setShowsBorderOnlyWhileMouseInside:NO];
 }
 
+TEST_F(GradientButtonCellTest, ContinuousPulseOnOff) {
+  GradientButtonCell* cell = [view_ cell];
+
+  // On/off
+  EXPECT_FALSE([cell isContinuousPulsing]);
+  [cell setIsContinuousPulsing:YES];
+  EXPECT_TRUE([cell isContinuousPulsing]);
+  EXPECT_TRUE([cell pulsing]);
+  [cell setIsContinuousPulsing:NO];
+  EXPECT_FALSE([cell isContinuousPulsing]);
+
+  // On/safeOff
+  [cell setIsContinuousPulsing:YES];
+  EXPECT_TRUE([cell isContinuousPulsing]);
+  [cell safelyStopPulsing];
+}
+
+// More for valgrind; we don't confirm state change does anything useful.
+TEST_F(GradientButtonCellTest, PulseState) {
+  GradientButtonCell* cell = [view_ cell];
+
+  [cell setMouseInside:YES animate:YES];
+  // Allow for immediate state changes to keep test unflaky
+  EXPECT_TRUE(([cell pulseState] == gradient_button_cell::kPulsingOn) ||
+              ([cell pulseState] == gradient_button_cell::kPulsedOn));
+
+  [cell setMouseInside:NO animate:YES];
+  // Allow for immediate state changes to keep test unflaky
+  EXPECT_TRUE(([cell pulseState] == gradient_button_cell::kPulsingOff) ||
+              ([cell pulseState] == gradient_button_cell::kPulsedOff));
+}
+
 }  // namespace