src/third_party/WebKit/Source/core/css/CSSFontFaceTest.cpp

   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 "config.h"
   6 #include "core/css/CSSFontFace.h"
   7
   8 #include <gtest/gtest.h>
   9
  10 namespace blink {
  11
  12 static const UChar hiraganaA[2] = { 0x3042, 0 };
  13
  14 TEST(CSSFontFace, UnicodeRangeSetEmpty)
  15 {
  16     Vector<CSSFontFace::UnicodeRange> ranges;
  17     CSSFontFace::UnicodeRangeSet set(ranges);
  18     EXPECT_TRUE(set.isEntireRange());
  19     EXPECT_EQ(0u, set.size());
  20     EXPECT_FALSE(set.intersectsWith(String()));
  21     EXPECT_TRUE(set.intersectsWith(String("a")));
  22     EXPECT_TRUE(set.intersectsWith(String(hiraganaA)));
  23 }
  24
  25 TEST(CSSFontFace, UnicodeRangeSetSingleCharacter)
  26 {
  27     Vector<CSSFontFace::UnicodeRange> ranges;
  28     ranges.append(CSSFontFace::UnicodeRange('b', 'b'));
  29     CSSFontFace::UnicodeRangeSet set(ranges);
  30     EXPECT_FALSE(set.isEntireRange());
  31     EXPECT_FALSE(set.intersectsWith(String()));
  32     EXPECT_FALSE(set.intersectsWith(String("a")));
  33     EXPECT_TRUE(set.intersectsWith(String("b")));
  34     EXPECT_FALSE(set.intersectsWith(String("c")));
  35     EXPECT_TRUE(set.intersectsWith(String("abc")));
  36     EXPECT_FALSE(set.intersectsWith(String(hiraganaA)));
  37     ASSERT_EQ(1u, set.size());
  38     EXPECT_EQ('b', set.rangeAt(0).from());
  39     EXPECT_EQ('b', set.rangeAt(0).to());
  40 }
  41
  42 TEST(CSSFontFace, UnicodeRangeSetTwoRanges)
  43 {
  44     Vector<CSSFontFace::UnicodeRange> ranges;
  45     ranges.append(CSSFontFace::UnicodeRange('6', '7'));
  46     ranges.append(CSSFontFace::UnicodeRange('2', '4'));
  47     CSSFontFace::UnicodeRangeSet set(ranges);
  48     EXPECT_FALSE(set.isEntireRange());
  49     EXPECT_FALSE(set.intersectsWith(String()));
  50     EXPECT_FALSE(set.intersectsWith(String("1")));
  51     EXPECT_TRUE(set.intersectsWith(String("2")));
  52     EXPECT_TRUE(set.intersectsWith(String("3")));
  53     EXPECT_TRUE(set.intersectsWith(String("4")));
  54     EXPECT_FALSE(set.intersectsWith(String("5")));
  55     EXPECT_TRUE(set.intersectsWith(String("6")));
  56     EXPECT_TRUE(set.intersectsWith(String("7")));
  57     EXPECT_FALSE(set.intersectsWith(String("8")));
  58     ASSERT_EQ(2u, set.size());
  59     EXPECT_EQ('2', set.rangeAt(0).from());
  60     EXPECT_EQ('4', set.rangeAt(0).to());
  61     EXPECT_EQ('6', set.rangeAt(1).from());
  62     EXPECT_EQ('7', set.rangeAt(1).to());
  63 }
  64
  65 TEST(CSSFontFace, UnicodeRangeSetOverlap)
  66 {
  67     Vector<CSSFontFace::UnicodeRange> ranges;
  68     ranges.append(CSSFontFace::UnicodeRange('0', '2'));
  69     ranges.append(CSSFontFace::UnicodeRange('1', '1'));
  70     ranges.append(CSSFontFace::UnicodeRange('3', '5'));
  71     ranges.append(CSSFontFace::UnicodeRange('4', '6'));
  72     CSSFontFace::UnicodeRangeSet set(ranges);
  73     ASSERT_EQ(1u, set.size());
  74     EXPECT_EQ('0', set.rangeAt(0).from());
  75     EXPECT_EQ('6', set.rangeAt(0).to());
  76 }
  77
  78 TEST(CSSFontFace, UnicodeRangeSetNon8Bit)
  79 {
  80     Vector<CSSFontFace::UnicodeRange> ranges;
  81     ranges.append(CSSFontFace::UnicodeRange(0x3042, 0x3042));
  82     CSSFontFace::UnicodeRangeSet set(ranges);
  83     ASSERT_EQ(1u, set.size());
  84     EXPECT_EQ(0x3042, set.rangeAt(0).from());
  85     EXPECT_EQ(0x3042, set.rangeAt(0).to());
  86     EXPECT_FALSE(set.intersectsWith(String("a")));
  87     EXPECT_TRUE(set.intersectsWith(String(hiraganaA)));
  88 }
  89
  90 } // namespace blink