| // 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 |