ui/gfx/text_utils_unittest.cc

   1 // Copyright (c) 2011 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/gfx/text_utils.h"
   6
   7 #include "base/strings/utf_string_conversions.h"
   8 #include "testing/gtest/include/gtest/gtest.h"
   9 #include "ui/gfx/font_list.h"
  10
  11 namespace gfx {
  12 namespace {
  13
  14 const base::char16 kAcceleratorChar = '&';
  15
  16 TEST(TextUtilsTest, RemoveAcceleratorChar) {
  17   struct TestData {
  18     const char* input;
  19     int accelerated_char_pos;
  20     int accelerated_char_span;
  21     const char* output;
  22   } cases[] = {
  23     { "", -1, 0, "" },
  24     { "&", -1, 0, "" },
  25     { "no accelerator", -1, 0, "no accelerator" },
  26     { "&one accelerator", 0, 1, "one accelerator" },
  27     { "one &accelerator", 4, 1, "one accelerator" },
  28     { "one_accelerator&", -1, 0, "one_accelerator" },
  29     { "&two &accelerators", 4, 1, "two accelerators" },
  30     { "two &accelerators&", 4, 1, "two accelerators" },
  31     { "two& &accelerators", 4, 1, "two accelerators" },
  32     { "&&escaping", -1, 0, "&escaping" },
  33     { "escap&&ing", -1, 0, "escap&ing" },
  34     { "escaping&&", -1, 0, "escaping&" },
  35     { "&mix&&ed", 0, 1, "mix&ed" },
  36     { "&&m&ix&&e&d&", 6, 1, "&mix&ed" },
  37     { "&&m&&ix&ed&&", 5, 1, "&m&ixed&" },
  38     { "&m&&ix&ed&&", 4, 1, "m&ixed&" },
  39     // U+1D49C MATHEMATICAL SCRIPT CAPITAL A, which occupies two |char16|'s.
  40     { "&\xF0\x9D\x92\x9C", 0, 2, "\xF0\x9D\x92\x9C" },
  41     { "Test&\xF0\x9D\x92\x9Cing", 4, 2, "Test\xF0\x9D\x92\x9Cing" },
  42     { "Test\xF0\x9D\x92\x9C&ing", 6, 1, "Test\xF0\x9D\x92\x9Cing" },
  43     { "Test&\xF0\x9D\x92\x9C&ing", 6, 1, "Test\xF0\x9D\x92\x9Cing" },
  44     { "Test&\xF0\x9D\x92\x9C&&ing", 4, 2, "Test\xF0\x9D\x92\x9C&ing" },
  45     { "Test&\xF0\x9D\x92\x9C&\xF0\x9D\x92\x9Cing", 6, 2,
  46       "Test\xF0\x9D\x92\x9C\xF0\x9D\x92\x9Cing" },
  47   };
  48
  49   for (size_t i = 0; i < ARRAYSIZE_UNSAFE(cases); ++i) {
  50     int accelerated_char_pos;
  51     int accelerated_char_span;
  52     base::string16 result = RemoveAcceleratorChar(
  53         base::UTF8ToUTF16(cases[i].input),
  54         kAcceleratorChar,
  55         &accelerated_char_pos,
  56         &accelerated_char_span);
  57     EXPECT_EQ(result, base::UTF8ToUTF16(cases[i].output));
  58     EXPECT_EQ(accelerated_char_pos, cases[i].accelerated_char_pos);
  59     EXPECT_EQ(accelerated_char_span, cases[i].accelerated_char_span);
  60   }
  61 }
  62
  63 // Disabled on Ozone since there are no fonts: crbug.com/320050
  64 #if defined(USE_OZONE)
  65 #define MAYBE_GetStringWidth DISABLED_GetStringWidth
  66 #else
  67 #define MAYBE_GetStringWidth GetStringWidth
  68 #endif
  69 TEST(TextUtilsTest, MAYBE_GetStringWidth) {
  70   FontList font_list;
  71   EXPECT_EQ(GetStringWidth(base::string16(), font_list), 0);
  72   EXPECT_GT(GetStringWidth(base::ASCIIToUTF16("a"), font_list),
  73             GetStringWidth(base::string16(), font_list));
  74   EXPECT_GT(GetStringWidth(base::ASCIIToUTF16("ab"), font_list),
  75             GetStringWidth(base::ASCIIToUTF16("a"), font_list));
  76   EXPECT_GT(GetStringWidth(base::ASCIIToUTF16("abc"), font_list),
  77             GetStringWidth(base::ASCIIToUTF16("ab"), font_list));
  78 }
  79
  80 }  // namespace
  81 }  // namespace gfx