blob: 985bde6bca788350d15aeafd9df0ac7f74c65e84 [file] [log] [blame]
// Copyright 2019 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 "chromeos/components/string_matching/term_break_iterator.h"
#include "base/strings/utf_string_conversions.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace chromeos {
namespace string_matching {
using base::UTF8ToUTF16;
TEST(TermBreakIteratorTest, EmptyWord) {
base::string16 empty;
TermBreakIterator iter(empty);
EXPECT_FALSE(iter.Advance());
}
TEST(TermBreakIteratorTest, Simple) {
base::string16 word(UTF8ToUTF16("simple"));
TermBreakIterator iter(word);
EXPECT_TRUE(iter.Advance());
EXPECT_EQ(UTF8ToUTF16("simple"), iter.GetCurrentTerm());
EXPECT_FALSE(iter.Advance()); // Test unexpected advance after end.
}
TEST(TermBreakIteratorTest, CamelCase) {
base::string16 word(UTF8ToUTF16("CamelCase"));
TermBreakIterator iter(word);
EXPECT_TRUE(iter.Advance());
EXPECT_EQ(UTF8ToUTF16("Camel"), iter.GetCurrentTerm());
EXPECT_TRUE(iter.Advance());
EXPECT_EQ(UTF8ToUTF16("Case"), iter.GetCurrentTerm());
EXPECT_FALSE(iter.Advance()); // Test unexpected advance after end.
}
TEST(TermBreakIteratorTest, LowerToUpper) {
base::string16 word(UTF8ToUTF16("lowerToUpper"));
TermBreakIterator iter(word);
EXPECT_TRUE(iter.Advance());
EXPECT_EQ(UTF8ToUTF16("lower"), iter.GetCurrentTerm());
EXPECT_TRUE(iter.Advance());
EXPECT_EQ(UTF8ToUTF16("To"), iter.GetCurrentTerm());
EXPECT_TRUE(iter.Advance());
EXPECT_EQ(UTF8ToUTF16("Upper"), iter.GetCurrentTerm());
EXPECT_FALSE(iter.Advance()); // Test unexpected advance after end.
}
TEST(TermBreakIteratorTest, AlphaNumber) {
base::string16 word(UTF8ToUTF16("Chromium26.0.0.0"));
TermBreakIterator iter(word);
EXPECT_TRUE(iter.Advance());
EXPECT_EQ(UTF8ToUTF16("Chromium"), iter.GetCurrentTerm());
EXPECT_TRUE(iter.Advance());
EXPECT_EQ(UTF8ToUTF16("26.0.0.0"), iter.GetCurrentTerm());
EXPECT_FALSE(iter.Advance()); // Test unexpected advance after end.
}
TEST(TermBreakIteratorTest, StartsWithNumber) {
base::string16 word(UTF8ToUTF16("123startWithNumber"));
TermBreakIterator iter(word);
EXPECT_TRUE(iter.Advance());
EXPECT_EQ(UTF8ToUTF16("123"), iter.GetCurrentTerm());
EXPECT_TRUE(iter.Advance());
EXPECT_EQ(UTF8ToUTF16("start"), iter.GetCurrentTerm());
EXPECT_TRUE(iter.Advance());
EXPECT_EQ(UTF8ToUTF16("With"), iter.GetCurrentTerm());
EXPECT_TRUE(iter.Advance());
EXPECT_EQ(UTF8ToUTF16("Number"), iter.GetCurrentTerm());
EXPECT_FALSE(iter.Advance()); // Test unexpected advance after end.
}
TEST(TermBreakIteratorTest, CaseAndNoCase) {
// "English" + two Chinese chars U+4E2D U+6587 + "Word"
base::string16 word(UTF8ToUTF16("English\xe4\xb8\xad\xe6\x96\x87Word"));
TermBreakIterator iter(word);
EXPECT_TRUE(iter.Advance());
EXPECT_EQ(UTF8ToUTF16("English"), iter.GetCurrentTerm());
EXPECT_TRUE(iter.Advance());
EXPECT_EQ(UTF8ToUTF16("\xe4\xb8\xad\xe6\x96\x87"), iter.GetCurrentTerm());
EXPECT_TRUE(iter.Advance());
EXPECT_EQ(UTF8ToUTF16("Word"), iter.GetCurrentTerm());
EXPECT_FALSE(iter.Advance()); // Test unexpected advance after end.
}
} // namespace string_matching
} // namespace chromeos