chrome/browser/ui/views/omnibox/omnibox_result_view_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/views/omnibox/omnibox_result_view.h"
   6 #include "testing/gtest/include/gtest/gtest.h"
   7
   8 TEST(OmniboxResultViewTest, CheckComputeMatchWidths) {
   9     int contents_max_width, description_max_width;
  10     const int separator_width = 10;
  11
  12     // Both contents and description fit fine.
  13     OmniboxResultView::ComputeMatchMaxWidths(
  14         100, separator_width, 50, 200, true, &contents_max_width,
  15         &description_max_width);
  16     EXPECT_EQ(-1, contents_max_width);
  17     EXPECT_EQ(-1, description_max_width);
  18
  19     // Contents should be given as much space as it wants up to 300 pixels.
  20     OmniboxResultView::ComputeMatchMaxWidths(
  21         100, separator_width, 50, 100, true, &contents_max_width,
  22         &description_max_width);
  23     EXPECT_EQ(-1, contents_max_width);
  24     EXPECT_EQ(0, description_max_width);
  25
  26     // Description should be hidden if it's at least 75 pixels wide but doesn't
  27     // get 75 pixels of space.
  28     OmniboxResultView::ComputeMatchMaxWidths(
  29         300, separator_width, 75, 384, true, &contents_max_width,
  30         &description_max_width);
  31     EXPECT_EQ(-1, contents_max_width);
  32     EXPECT_EQ(0, description_max_width);
  33
  34     // Both contents and description will be limited.
  35     OmniboxResultView::ComputeMatchMaxWidths(
  36         310, separator_width, 150, 400, true, &contents_max_width,
  37         &description_max_width);
  38     EXPECT_EQ(300, contents_max_width);
  39     EXPECT_EQ(400 - 300 - separator_width, description_max_width);
  40
  41     // Contents takes all available space.
  42     OmniboxResultView::ComputeMatchMaxWidths(
  43         400, separator_width, 0, 200, true, &contents_max_width,
  44         &description_max_width);
  45     EXPECT_EQ(-1, contents_max_width);
  46     EXPECT_EQ(0, description_max_width);
  47
  48     // Half and half.
  49     OmniboxResultView::ComputeMatchMaxWidths(
  50         395, separator_width, 395, 700, true, &contents_max_width,
  51         &description_max_width);
  52     EXPECT_EQ((700 - separator_width) / 2, contents_max_width);
  53     EXPECT_EQ((700 - separator_width) / 2, description_max_width);
  54
  55     // When we disallow shrinking the contents, it should get as much space as
  56     // it wants.
  57     OmniboxResultView::ComputeMatchMaxWidths(
  58         395, separator_width, 395, 700, false, &contents_max_width,
  59         &description_max_width);
  60     EXPECT_EQ(-1, contents_max_width);
  61     EXPECT_EQ(295, description_max_width);
  62
  63     // (available_width - separator_width) is odd, so contents gets the extra
  64     // pixel.
  65     OmniboxResultView::ComputeMatchMaxWidths(
  66         395, separator_width, 395, 699, true, &contents_max_width,
  67         &description_max_width);
  68     EXPECT_EQ((700 - separator_width) / 2, contents_max_width);
  69     EXPECT_EQ((700 - separator_width) / 2 - 1, description_max_width);
  70
  71     // Not enough space to draw anything.
  72     OmniboxResultView::ComputeMatchMaxWidths(
  73         1, 1, 1, 0, true, &contents_max_width, &description_max_width);
  74     EXPECT_EQ(0, contents_max_width);
  75     EXPECT_EQ(0, description_max_width);
  76 }