ui/base/layout_unittest.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "ui/base/layout.h"
   6
   7 #include "testing/gtest/include/gtest/gtest.h"
   8
   9 #if defined(OS_CHROMEOS)
  10 #include "base/command_line.h"
  11 #include "ui/base/ui_base_switches.h"
  12 #endif
  13
  14 namespace ui {
  15
  16 TEST(LayoutTest, GetScaleFactorScale) {
  17   EXPECT_FLOAT_EQ(1.0f, GetImageScale(SCALE_FACTOR_100P));
  18   EXPECT_FLOAT_EQ(1.25f, GetImageScale(SCALE_FACTOR_125P));
  19   EXPECT_FLOAT_EQ(1.33f, GetImageScale(SCALE_FACTOR_133P));
  20   EXPECT_FLOAT_EQ(1.4f, GetImageScale(SCALE_FACTOR_140P));
  21   EXPECT_FLOAT_EQ(1.5f, GetImageScale(SCALE_FACTOR_150P));
  22   EXPECT_FLOAT_EQ(1.8f, GetImageScale(SCALE_FACTOR_180P));
  23   EXPECT_FLOAT_EQ(2.0f, GetImageScale(SCALE_FACTOR_200P));
  24 }
  25
  26 TEST(LayoutTest, GetScaleFactorFromScalePartlySupported) {
  27   std::vector<ScaleFactor> supported_factors;
  28   supported_factors.push_back(SCALE_FACTOR_100P);
  29   supported_factors.push_back(SCALE_FACTOR_180P);
  30   test::ScopedSetSupportedScaleFactors scoped_supported(supported_factors);
  31   EXPECT_EQ(SCALE_FACTOR_100P, GetSupportedScaleFactor(0.1f));
  32   EXPECT_EQ(SCALE_FACTOR_100P, GetSupportedScaleFactor(0.9f));
  33   EXPECT_EQ(SCALE_FACTOR_100P, GetSupportedScaleFactor(1.0f));
  34   EXPECT_EQ(SCALE_FACTOR_100P, GetSupportedScaleFactor(1.39f));
  35   EXPECT_EQ(SCALE_FACTOR_180P, GetSupportedScaleFactor(1.41f));
  36   EXPECT_EQ(SCALE_FACTOR_180P, GetSupportedScaleFactor(1.8f));
  37   EXPECT_EQ(SCALE_FACTOR_180P, GetSupportedScaleFactor(2.0f));
  38   EXPECT_EQ(SCALE_FACTOR_180P, GetSupportedScaleFactor(999.0f));
  39 }
  40
  41 TEST(LayoutTest, GetScaleFactorFromScaleAllSupported) {
  42   std::vector<ScaleFactor> supported_factors;
  43   for (int factor = SCALE_FACTOR_100P; factor < NUM_SCALE_FACTORS; ++factor) {
  44     supported_factors.push_back(static_cast<ScaleFactor>(factor));
  45   }
  46   test::ScopedSetSupportedScaleFactors scoped_supported(supported_factors);
  47
  48   EXPECT_EQ(SCALE_FACTOR_100P, GetSupportedScaleFactor(0.1f));
  49   EXPECT_EQ(SCALE_FACTOR_100P, GetSupportedScaleFactor(0.9f));
  50   EXPECT_EQ(SCALE_FACTOR_100P, GetSupportedScaleFactor(1.0f));
  51   EXPECT_EQ(SCALE_FACTOR_125P, GetSupportedScaleFactor(1.19f));
  52   EXPECT_EQ(SCALE_FACTOR_125P, GetSupportedScaleFactor(1.21f));
  53   EXPECT_EQ(SCALE_FACTOR_133P, GetSupportedScaleFactor(1.291f));
  54   EXPECT_EQ(SCALE_FACTOR_133P, GetSupportedScaleFactor(1.3f));
  55   EXPECT_EQ(SCALE_FACTOR_140P, GetSupportedScaleFactor(1.4f));
  56   EXPECT_EQ(SCALE_FACTOR_150P, GetSupportedScaleFactor(1.59f));
  57   EXPECT_EQ(SCALE_FACTOR_150P, GetSupportedScaleFactor(1.61f));
  58   EXPECT_EQ(SCALE_FACTOR_180P, GetSupportedScaleFactor(1.7f));
  59   EXPECT_EQ(SCALE_FACTOR_180P, GetSupportedScaleFactor(1.89f));
  60   EXPECT_EQ(SCALE_FACTOR_200P, GetSupportedScaleFactor(1.91f));
  61   EXPECT_EQ(SCALE_FACTOR_200P, GetSupportedScaleFactor(2.0f));
  62   EXPECT_EQ(SCALE_FACTOR_200P, GetSupportedScaleFactor(2.1f));
  63   EXPECT_EQ(SCALE_FACTOR_200P, GetSupportedScaleFactor(999.0f));
  64 }
  65
  66 }  // namespace ui