Index: chrome/browser/chrome_page_zoom_unittest.cc |
=================================================================== |
--- chrome/browser/chrome_page_zoom_unittest.cc (revision 0) |
+++ chrome/browser/chrome_page_zoom_unittest.cc (revision 0) |
@@ -0,0 +1,98 @@ |
+// Copyright (c) 2011 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 "chrome/browser/chrome_page_zoom.h" |
+#include "content/public/common/page_zoom.h" |
+ |
jam
2011/11/22 01:22:43
nit: not needed
|
+#include "testing/gtest/include/gtest/gtest.h" |
+ |
+TEST(ChromePageZoomTest, PresetZoomFactors) { |
+ // Fetch a vector of preset zoom factors, including a custom value that we |
+ // already know is not going to be in the list. |
+ double custom_value = 1.05; // 105% |
+ std::vector<double> factors = |
+ chrome_page_zoom::PresetZoomFactors(custom_value); |
+ |
+ // Expect at least 10 zoom factors. |
+ EXPECT_GE(factors.size(), 10U); |
+ |
+ // Expect the first and last items to match the minimum and maximum values. |
+ EXPECT_DOUBLE_EQ(factors.front(), content::kMinimumZoomFactor); |
+ EXPECT_DOUBLE_EQ(factors.back(), content::kMaximumZoomFactor); |
+ |
+ // Iterate through the vector, with the following checks: |
+ // 1. The values are in sorted order. |
+ // 2. The custom value is exists. |
+ // 3. The 100% value exists. |
+ bool found_custom_value = false; |
+ bool found_100_percent = false; |
+ double last_value = 0; |
+ |
+ std::vector<double>::const_iterator i; |
+ for (i = factors.begin(); i != factors.end(); ++i) { |
+ double factor = *i; |
+ EXPECT_GT(factor, last_value); |
+ if (content::ZoomValuesEqual(factor, custom_value)) |
+ found_custom_value = true; |
+ if (content::ZoomValuesEqual(factor, 1.0)) |
+ found_100_percent = true; |
+ last_value = factor; |
+ } |
+ |
+ EXPECT_TRUE(found_custom_value); |
+ EXPECT_TRUE(found_100_percent); |
+} |
+ |
+TEST(ChromePageZoomTest, PresetZoomLevels) { |
+ // Fetch a vector of preset zoom levels, including a custom value that we |
+ // already know is not going to be in the list. |
+ double custom_value = 0.1; |
+ std::vector<double> levels = chrome_page_zoom::PresetZoomLevels(custom_value); |
+ |
+ // Expect at least 10 zoom levels. |
+ EXPECT_GE(levels.size(), 10U); |
+ |
+ // Iterate through the vector, with the following checks: |
+ // 1. The values are in sorted order. |
+ // 2. The custom value is exists. |
+ // 3. The 100% value exists. |
+ bool found_custom_value = false; |
+ bool found_100_percent = false; |
+ double last_value = -99; |
+ |
+ std::vector<double>::const_iterator i; |
+ for (i = levels.begin(); i != levels.end(); ++i) { |
+ double level = *i; |
+ EXPECT_GT(level, last_value); |
+ if (content::ZoomValuesEqual(level, custom_value)) |
+ found_custom_value = true; |
+ if (content::ZoomValuesEqual(level, 0)) |
+ found_100_percent = true; |
+ last_value = level; |
+ } |
+ |
+ EXPECT_TRUE(found_custom_value); |
+ EXPECT_TRUE(found_100_percent); |
+} |
+ |
+TEST(ChromePageZoomTest, InvalidCustomFactor) { |
+ double too_low = 0.01; |
+ std::vector<double> factors = chrome_page_zoom::PresetZoomFactors(too_low); |
+ EXPECT_FALSE(content::ZoomValuesEqual(factors.front(), too_low)); |
+ |
+ double too_high = 99.0; |
+ factors = chrome_page_zoom::PresetZoomFactors(too_high); |
+ EXPECT_FALSE(content::ZoomValuesEqual(factors.back(), too_high)); |
+} |
+ |
+TEST(ChromePageZoomTest, InvalidCustomLevel) { |
+ double too_low = -99.0; |
+ std::vector<double> levels = chrome_page_zoom::PresetZoomLevels(too_low); |
+ EXPECT_FALSE(content::ZoomValuesEqual(levels.front(), too_low)); |
+ |
+ double too_high = 99.0; |
+ levels = chrome_page_zoom::PresetZoomLevels(too_high); |
+ EXPECT_FALSE(content::ZoomValuesEqual(levels.back(), too_high)); |
+} |
+ |
Property changes on: chrome/browser/chrome_page_zoom_unittest.cc |
___________________________________________________________________ |
Added: svn:eol-style |
+ LF |