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