Refactor to move chrome_page_zoom functions to components/ui/zoom.

chrome/browser/chrome_page_zoom_unittest.cc

-// 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"
-#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));
-}
-