chrome/browser/ui/omnibox/omnibox_popup_model_unittest.cc

   1 // Copyright 2014 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 "chrome/browser/ui/omnibox/omnibox_popup_model.h"
   6 #include "testing/gtest/include/gtest/gtest.h"
   7
   8 TEST(OmniboxPopupModelTest, ComputeMatchMaxWidths) {
   9     int contents_max_width, description_max_width;
  10     const int separator_width = 10;
  11     const int kMinimumContentsWidth = 300;
  12     int contents_width, description_width, available_width;
  13
  14     // Both contents and description fit fine.
  15     contents_width = 100;
  16     description_width = 50;
  17     available_width = 200;
  18     OmniboxPopupModel::ComputeMatchMaxWidths(
  19         contents_width, separator_width, description_width, available_width,
  20         true, &contents_max_width, &description_max_width);
  21     EXPECT_EQ(contents_width, contents_max_width);
  22     EXPECT_EQ(description_width, description_max_width);
  23
  24     // Contents should be given as much space as it wants up to 300 pixels.
  25     contents_width = 100;
  26     description_width = 50;
  27     available_width = 100;
  28     OmniboxPopupModel::ComputeMatchMaxWidths(
  29         contents_width, separator_width, description_width, available_width,
  30         true, &contents_max_width, &description_max_width);
  31     EXPECT_EQ(contents_width, contents_max_width);
  32     EXPECT_EQ(0, description_max_width);
  33
  34     // Description should be hidden if it's at least 75 pixels wide but doesn't
  35     // get 75 pixels of space.
  36     contents_width = 300;
  37     description_width = 100;
  38     available_width = 384;
  39     OmniboxPopupModel::ComputeMatchMaxWidths(
  40         contents_width, separator_width, description_width, available_width,
  41         true, &contents_max_width, &description_max_width);
  42     EXPECT_EQ(contents_width, contents_max_width);
  43     EXPECT_EQ(0, description_max_width);
  44
  45     // Both contents and description will be limited.
  46     contents_width = 310;
  47     description_width = 150;
  48     available_width = 400;
  49     OmniboxPopupModel::ComputeMatchMaxWidths(
  50         contents_width, separator_width, description_width, available_width,
  51         true, &contents_max_width, &description_max_width);
  52     OmniboxPopupModel::ComputeMatchMaxWidths(
  53         310, separator_width, 150, 400, true, &contents_max_width,
  54         &description_max_width);
  55     EXPECT_EQ(kMinimumContentsWidth, contents_max_width);
  56     EXPECT_EQ(available_width - kMinimumContentsWidth - separator_width,
  57               description_max_width);
  58
  59     // Contents takes all available space.
  60     contents_width = 400;
  61     description_width = 0;
  62     available_width = 200;
  63     OmniboxPopupModel::ComputeMatchMaxWidths(
  64         contents_width, separator_width, description_width, available_width,
  65         true, &contents_max_width, &description_max_width);
  66     EXPECT_EQ(contents_width, contents_max_width);
  67     EXPECT_EQ(0, description_max_width);
  68
  69     // Half and half.
  70     contents_width = 395;
  71     description_width = 395;
  72     available_width = 700;
  73     OmniboxPopupModel::ComputeMatchMaxWidths(
  74         contents_width, separator_width, description_width, available_width,
  75         true, &contents_max_width, &description_max_width);
  76     EXPECT_EQ(345, contents_max_width);
  77     EXPECT_EQ(345, description_max_width);
  78
  79     // When we disallow shrinking the contents, it should get as much space as
  80     // it wants.
  81     contents_width = 395;
  82     description_width = 395;
  83     available_width = 700;
  84     OmniboxPopupModel::ComputeMatchMaxWidths(
  85         contents_width, separator_width, description_width, available_width,
  86         false, &contents_max_width, &description_max_width);
  87     EXPECT_EQ(contents_width, contents_max_width);
  88     EXPECT_EQ((available_width - contents_width - separator_width),
  89               description_max_width);
  90
  91     // (available_width - separator_width) is odd, so contents gets the extra
  92     // pixel.
  93     contents_width = 395;
  94     description_width = 395;
  95     available_width = 699;
  96     OmniboxPopupModel::ComputeMatchMaxWidths(
  97         contents_width, separator_width, description_width, available_width,
  98         true, &contents_max_width, &description_max_width);
  99     EXPECT_EQ(345, contents_max_width);
 100     EXPECT_EQ(344, description_max_width);
 101
 102     // Not enough space to draw anything.
 103     contents_width = 1;
 104     description_width = 1;
 105     available_width = 0;
 106     OmniboxPopupModel::ComputeMatchMaxWidths(
 107         contents_width, separator_width, description_width, available_width,
 108         true, &contents_max_width, &description_max_width);
 109     EXPECT_EQ(0, contents_max_width);
 110     EXPECT_EQ(0, description_max_width);
 111 }
 112