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// Copyright (c) 2006-2008 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 "config.h"
#include "base/compiler_specific.h"
MSVC_PUSH_WARNING_LEVEL(0);
#include "PlatformString.h"
#include "RegularExpression.h"
MSVC_POP_WARNING();
#include "testing/gtest/include/gtest/gtest.h"
#include "webkit/glue/glue_util.h"
using std::wstring;
using webkit_glue::StdWStringToString;
using WebCore::RegularExpression;
using WebCore::String;
namespace {
class RegexTest : public testing::Test {
};
struct Match {
const std::wstring text;
const int position;
const int length;
};
} // namespace
TEST(RegexTest, Basic) {
// Just make sure we're not completely broken.
const String pattern("the quick brown fox");
RegularExpression regex(pattern, WebCore::TextCaseSensitive);
EXPECT_EQ(0, regex.match("the quick brown fox"));
EXPECT_EQ(1, regex.match(" the quick brown fox"));
EXPECT_EQ(3, regex.match("foothe quick brown foxbar"));
EXPECT_EQ(-1, regex.match("The quick brown FOX"));
EXPECT_EQ(-1, regex.match("the quick brown fo"));
}
TEST(RegexTest, Unicode) {
// Make sure we get the right offsets for unicode strings.
// Test 1
wstring wstr_pattern(L"\x6240\x6709\x7f51\x9875");
String pattern = StdWStringToString(wstr_pattern);
RegularExpression regex(pattern, WebCore::TextCaseInsensitive);
EXPECT_EQ(0, regex.match(StdWStringToString(wstr_pattern)));
EXPECT_EQ(1, regex.match(StdWStringToString(
wstring(L" ") + wstr_pattern)));
EXPECT_EQ(3, regex.match(StdWStringToString(
wstring(L"foo") + wstr_pattern + wstring(L"bar"))));
EXPECT_EQ(4, regex.match(StdWStringToString(
wstring(L"\x4e2d\x6587\x7f51\x9875") + wstr_pattern)));
// Test 2, mixed length
wstr_pattern = L":[ \x2000]+:";
pattern = StdWStringToString(wstr_pattern);
regex = RegularExpression(pattern, WebCore::TextCaseInsensitive);
const Match matches[] = {
{ L": :", 0, 4 },
{ L" : : ", 2, 6 },
{ L" : \x2000 : ", 1, 5 },
{ L"\x6240\x6709\x7f51\x9875 : \x2000 \x2000 : ", 5, 7 },
{ L"", -1, -1 },
{ L"::", -1, -1 },
};
for (size_t i = 0; i < arraysize(matches); ++i) {
EXPECT_EQ(matches[i].position, regex.match(StdWStringToString(
wstring(matches[i].text))));
EXPECT_EQ(matches[i].length, regex.matchedLength());
}
// Test 3, empty match
wstr_pattern = L"|x";
pattern = StdWStringToString(wstr_pattern);
regex = RegularExpression(pattern, WebCore::TextCaseInsensitive);
const Match matches2[] = {
{ L"", 0, 0 },
};
for (size_t i = 0; i < arraysize(matches2); ++i) {
EXPECT_EQ(matches2[i].position, regex.match(StdWStringToString(
wstring(matches2[i].text))));
EXPECT_EQ(matches2[i].length, regex.matchedLength());
}
}
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