ui/app_list/search/term_break_iterator_unittest.cc

   1 // Copyright 2013 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/app_list/search/term_break_iterator.h"
   6
   7 #include "base/strings/utf_string_conversions.h"
   8 #include "testing/gtest/include/gtest/gtest.h"
   9
  10 using base::UTF8ToUTF16;
  11
  12 namespace app_list {
  13 namespace test {
  14
  15 TEST(TermBreakIteratorTest, EmptyWord) {
  16   base::string16 empty;
  17   TermBreakIterator iter(empty);
  18   EXPECT_FALSE(iter.Advance());
  19 }
  20
  21 TEST(TermBreakIteratorTest, Simple) {
  22   base::string16 word(UTF8ToUTF16("simple"));
  23   TermBreakIterator iter(word);
  24   EXPECT_TRUE(iter.Advance());
  25   EXPECT_EQ(UTF8ToUTF16("simple"), iter.GetCurrentTerm());
  26   EXPECT_FALSE(iter.Advance());  // Test unexpected advance after end.
  27 }
  28
  29 TEST(TermBreakIteratorTest, CamelCase) {
  30   base::string16 word(UTF8ToUTF16("CamelCase"));
  31   TermBreakIterator iter(word);
  32   EXPECT_TRUE(iter.Advance());
  33   EXPECT_EQ(UTF8ToUTF16("Camel"), iter.GetCurrentTerm());
  34   EXPECT_TRUE(iter.Advance());
  35   EXPECT_EQ(UTF8ToUTF16("Case"), iter.GetCurrentTerm());
  36   EXPECT_FALSE(iter.Advance());  // Test unexpected advance after end.
  37 }
  38
  39 TEST(TermBreakIteratorTest, LowerToUpper) {
  40   base::string16 word(UTF8ToUTF16("lowerToUpper"));
  41   TermBreakIterator iter(word);
  42   EXPECT_TRUE(iter.Advance());
  43   EXPECT_EQ(UTF8ToUTF16("lower"), iter.GetCurrentTerm());
  44   EXPECT_TRUE(iter.Advance());
  45   EXPECT_EQ(UTF8ToUTF16("To"), iter.GetCurrentTerm());
  46   EXPECT_TRUE(iter.Advance());
  47   EXPECT_EQ(UTF8ToUTF16("Upper"), iter.GetCurrentTerm());
  48   EXPECT_FALSE(iter.Advance());  // Test unexpected advance after end.
  49 }
  50
  51 TEST(TermBreakIteratorTest, AlphaNumber) {
  52   base::string16 word(UTF8ToUTF16("Chromium26.0.0.0"));
  53   TermBreakIterator iter(word);
  54   EXPECT_TRUE(iter.Advance());
  55   EXPECT_EQ(UTF8ToUTF16("Chromium"), iter.GetCurrentTerm());
  56   EXPECT_TRUE(iter.Advance());
  57   EXPECT_EQ(UTF8ToUTF16("26.0.0.0"), iter.GetCurrentTerm());
  58   EXPECT_FALSE(iter.Advance());  // Test unexpected advance after end.
  59 }
  60
  61 TEST(TermBreakIteratorTest, StartsWithNumber) {
  62   base::string16 word(UTF8ToUTF16("123startWithNumber"));
  63   TermBreakIterator iter(word);
  64   EXPECT_TRUE(iter.Advance());
  65   EXPECT_EQ(UTF8ToUTF16("123"), iter.GetCurrentTerm());
  66   EXPECT_TRUE(iter.Advance());
  67   EXPECT_EQ(UTF8ToUTF16("start"), iter.GetCurrentTerm());
  68   EXPECT_TRUE(iter.Advance());
  69   EXPECT_EQ(UTF8ToUTF16("With"), iter.GetCurrentTerm());
  70   EXPECT_TRUE(iter.Advance());
  71   EXPECT_EQ(UTF8ToUTF16("Number"), iter.GetCurrentTerm());
  72   EXPECT_FALSE(iter.Advance());  // Test unexpected advance after end.
  73 }
  74
  75 TEST(TermBreakIteratorTest, CaseAndNoCase) {
  76   // "English" + two Chinese chars U+4E2D U+6587 + "Word"
  77   base::string16 word(UTF8ToUTF16("English\xe4\xb8\xad\xe6\x96\x87Word"));
  78   TermBreakIterator iter(word);
  79   EXPECT_TRUE(iter.Advance());
  80   EXPECT_EQ(UTF8ToUTF16("English"), iter.GetCurrentTerm());
  81   EXPECT_TRUE(iter.Advance());
  82   EXPECT_EQ(UTF8ToUTF16("\xe4\xb8\xad\xe6\x96\x87"), iter.GetCurrentTerm());
  83   EXPECT_TRUE(iter.Advance());
  84   EXPECT_EQ(UTF8ToUTF16("Word"), iter.GetCurrentTerm());
  85   EXPECT_FALSE(iter.Advance());  // Test unexpected advance after end.
  86 }
  87
  88 }  // namespace test
  89 }  // namespace app_list