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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "third_party/blink/renderer/platform/fonts/unicode_range_set.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace blink {
static const UChar kHiraganaA[2] = {0x3042, 0};
TEST(UnicodeRangeSet, Empty) {
Vector<UnicodeRange> ranges;
scoped_refptr<UnicodeRangeSet> set =
base::AdoptRef(new UnicodeRangeSet(ranges));
EXPECT_TRUE(set->IsEntireRange());
EXPECT_EQ(0u, set->size());
EXPECT_FALSE(set->IntersectsWith(String()));
EXPECT_TRUE(set->IntersectsWith(String("a")));
EXPECT_TRUE(set->IntersectsWith(String(kHiraganaA)));
}
TEST(UnicodeRangeSet, SingleCharacter) {
Vector<UnicodeRange> ranges;
ranges.push_back(UnicodeRange('b', 'b'));
scoped_refptr<UnicodeRangeSet> set =
base::AdoptRef(new UnicodeRangeSet(ranges));
EXPECT_FALSE(set->IsEntireRange());
EXPECT_FALSE(set->IntersectsWith(String()));
EXPECT_FALSE(set->IntersectsWith(String("a")));
EXPECT_TRUE(set->IntersectsWith(String("b")));
EXPECT_FALSE(set->IntersectsWith(String("c")));
EXPECT_TRUE(set->IntersectsWith(String("abc")));
EXPECT_FALSE(set->IntersectsWith(String(kHiraganaA)));
ASSERT_EQ(1u, set->size());
EXPECT_EQ('b', set->RangeAt(0).From());
EXPECT_EQ('b', set->RangeAt(0).To());
}
TEST(UnicodeRangeSet, TwoRanges) {
Vector<UnicodeRange> ranges;
ranges.push_back(UnicodeRange('6', '7'));
ranges.push_back(UnicodeRange('2', '4'));
scoped_refptr<UnicodeRangeSet> set =
base::AdoptRef(new UnicodeRangeSet(ranges));
EXPECT_FALSE(set->IsEntireRange());
EXPECT_FALSE(set->IntersectsWith(String()));
EXPECT_FALSE(set->IntersectsWith(String("1")));
EXPECT_TRUE(set->IntersectsWith(String("2")));
EXPECT_TRUE(set->IntersectsWith(String("3")));
EXPECT_TRUE(set->IntersectsWith(String("4")));
EXPECT_FALSE(set->IntersectsWith(String("5")));
EXPECT_TRUE(set->IntersectsWith(String("6")));
EXPECT_TRUE(set->IntersectsWith(String("7")));
EXPECT_FALSE(set->IntersectsWith(String("8")));
ASSERT_EQ(2u, set->size());
EXPECT_EQ('2', set->RangeAt(0).From());
EXPECT_EQ('4', set->RangeAt(0).To());
EXPECT_EQ('6', set->RangeAt(1).From());
EXPECT_EQ('7', set->RangeAt(1).To());
}
TEST(UnicodeRangeSet, Overlap) {
Vector<UnicodeRange> ranges;
ranges.push_back(UnicodeRange('0', '2'));
ranges.push_back(UnicodeRange('1', '1'));
ranges.push_back(UnicodeRange('3', '5'));
ranges.push_back(UnicodeRange('4', '6'));
scoped_refptr<UnicodeRangeSet> set =
base::AdoptRef(new UnicodeRangeSet(ranges));
ASSERT_EQ(1u, set->size());
EXPECT_EQ('0', set->RangeAt(0).From());
EXPECT_EQ('6', set->RangeAt(0).To());
}
TEST(UnicodeRangeSet, Non8Bit) {
Vector<UnicodeRange> ranges;
ranges.push_back(UnicodeRange(0x3042, 0x3042));
scoped_refptr<UnicodeRangeSet> set =
base::AdoptRef(new UnicodeRangeSet(ranges));
ASSERT_EQ(1u, set->size());
EXPECT_EQ(0x3042, set->RangeAt(0).From());
EXPECT_EQ(0x3042, set->RangeAt(0).To());
EXPECT_FALSE(set->IntersectsWith(String("a")));
EXPECT_TRUE(set->IntersectsWith(String(kHiraganaA)));
}
} // namespace blink
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