1 // Copyright (c) 2006-2008 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 "testing/gtest/include/gtest/gtest.h" 6 #include "third_party/WebKit/Source/WebKit/chromium/public/WebRegularExpression.h" 7 #include "third_party/WebKit/Source/WebKit/chromium/public/WebString.h" 8 #include "third_party/WebKit/Source/WebKit/chromium/public/WebTextCaseSensitivity.h" 9 10 using namespace WebKit; 11 12 namespace { 13 14 class RegexTest : public testing::Test { 15 }; 16 17 struct Match { 18 const WebUChar* text; 19 const int textLength; 20 const int matchPosition; 21 const int matchLength; 22 }; 23 24 void testMatches(const WebRegularExpression& regex, 25 const Match* matches, 26 const size_t nMatches) { 27 28 for (size_t i = 0; i < nMatches; ++i) { 29 int matchedLength = matches[i].textLength; 30 EXPECT_EQ(matches[i].matchPosition, regex.match( 31 WebString(matches[i].text, matches[i].textLength), 0, &matchedLength)); 32 if (matches[i].matchPosition != -1) 33 EXPECT_EQ(matches[i].matchLength, matchedLength); 34 } 35 36 } 37 38 } // namespace 39 40 #define MATCH_DESC(webuchar, matchPosition, matchLength) \ 41 { webuchar, arraysize(webuchar), matchPosition, matchLength } 42 43 44 TEST(RegexTest, Basic) { 45 // Just make sure we're not completely broken. 46 WebRegularExpression regex("the quick brown fox", WebTextCaseSensitive); 47 EXPECT_EQ(0, regex.match("the quick brown fox")); 48 EXPECT_EQ(1, regex.match(" the quick brown fox")); 49 EXPECT_EQ(3, regex.match("foothe quick brown foxbar")); 50 51 EXPECT_EQ(-1, regex.match("The quick brown FOX")); 52 EXPECT_EQ(-1, regex.match("the quick brown fo")); 53 } 54 55 TEST(RegexTest, Unicode) { 56 // Make sure we get the right offsets for unicode strings. 57 WebUChar pattern[] = {L'\x6240', L'\x6709', L'\x7f51', L'\x9875'}; 58 WebRegularExpression regex(WebString(pattern, arraysize(pattern)), 59 WebTextCaseInsensitive); 60 61 WebUChar text1[] = {L'\x6240', L'\x6709', L'\x7f51', L'\x9875'}; 62 WebUChar text2[] = {L' ', L'\x6240', L'\x6709', L'\x7f51', L'\x9875'}; 63 WebUChar text3[] = {L'f', L'o', L'o', L'\x6240', L'\x6709', L'\x7f51', L'\x9875', L'b', L'a', L'r'}; 64 WebUChar text4[] = {L'\x4e2d', L'\x6587', L'\x7f51', L'\x9875', L'\x6240', L'\x6709', L'\x7f51', L'\x9875'}; 65 66 const Match matches[] = { 67 MATCH_DESC(text1, 0, 4), 68 MATCH_DESC(text2, 1, 4), 69 MATCH_DESC(text3, 3, 4), 70 MATCH_DESC(text4, 4, 4), 71 }; 72 73 testMatches(regex, matches, arraysize(matches)); 74 } 75 76 TEST(RegexTest, UnicodeMixedLength) { 77 WebUChar pattern[] = {L':', L'[', L' ', L'\x2000', L']', L'+', L':'}; 78 WebRegularExpression regex(WebString(pattern, arraysize(pattern)), 79 WebTextCaseInsensitive); 80 81 WebUChar text1[] = {L':', L' ', L' ', L':'}; 82 WebUChar text2[] = {L' ', L' ', L':', L' ', L' ', L' ', L' ', L':', L' ', L' '}; 83 WebUChar text3[] = {L' ', L':', L' ', L'\x2000', L' ', L':', L' '}; 84 WebUChar text4[] = {L'\x6240', L'\x6709', L'\x7f51', L'\x9875', L' ', L':', L' ', L'\x2000', L' ', L'\x2000', L' ', L':', L' '}; 85 WebUChar text5[] = {L' '}; 86 WebUChar text6[] = {L':', L':'}; 87 88 const Match matches[] = { 89 MATCH_DESC(text1, 0, 4), 90 MATCH_DESC(text2, 2, 6), 91 MATCH_DESC(text3, 1, 5), 92 MATCH_DESC(text4, 5, 7), 93 MATCH_DESC(text5, -1, -1), 94 MATCH_DESC(text6, -1, -1), 95 }; 96 97 testMatches(regex, matches, arraysize(matches)); 98 } 99 100 TEST(RegexTest, EmptyMatch) { 101 WebRegularExpression regex("|x", WebTextCaseInsensitive); 102 int matchedLength = 0; 103 EXPECT_EQ(0, regex.match("", 0, &matchedLength)); 104 EXPECT_EQ(0, matchedLength); 105 } 106
