Added unit test for the views::ProgressBar::AddProgress method....

views/controls/progress_bar_unittest.cc

 // 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.
 
 #include "app/l10n_util.h"
 #include "base/string_util.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "views/controls/progress_bar.h"
 
 namespace views {
 
 TEST(ProgressBarTest, ProgressProperty) {
   ProgressBar bar;
   bar.SetProgress(-1);
   int progress = bar.GetProgress();
   EXPECT_EQ(0, progress);
   bar.SetProgress(300);
   progress = bar.GetProgress();
   EXPECT_EQ(100, progress);
   bar.SetProgress(62);
   progress = bar.GetProgress();
   EXPECT_EQ(62, progress);
 }
 
+TEST(ProgressBarTest, AddProgressMethod) {
+  ProgressBar bar;
+  bar.SetProgress(10);
+  bar.AddProgress(22);
+  int progress = bar.GetProgress();
+  EXPECT_EQ(32, progress);
+  bar.AddProgress(200);
+  progress = bar.GetProgress();
+  EXPECT_EQ(100, progress);
+}
+
 TEST(ProgressBarTest, TooltipTextProperty) {
   ProgressBar bar;
   std::wstring tooltip = L"Some text";
   EXPECT_FALSE(bar.GetTooltipText(gfx::Point(), &tooltip));
   EXPECT_EQ(L"", tooltip);
   std::wstring tooltip_text = L"My progress";
   bar.SetTooltipText(tooltip_text);
   EXPECT_TRUE(bar.GetTooltipText(gfx::Point(), &tooltip));
   EXPECT_EQ(tooltip_text, tooltip);
 }
 
 TEST(ProgressBarTest, Accessibility) {
   ProgressBar bar;
   bar.SetProgress(62);
 
   AccessibilityTypes::Role role;
   EXPECT_TRUE(bar.GetAccessibleRole(&role));
   EXPECT_EQ(AccessibilityTypes::ROLE_TEXT, role);
 
   // TODO(denisromanov): Test accessibility text here when it's implemented.
 
   AccessibilityTypes::State state;
   EXPECT_TRUE(bar.GetAccessibleState(&state));
   EXPECT_EQ(AccessibilityTypes::STATE_READONLY, state);
 }
 
 }  // namespace views