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// Copyright (C) 2011 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Author: George Yakovlev
// Philippe Liard
#include "phonenumbers/regexp_adapter.h"
#include <string>
#include <gtest/gtest.h>
#include "base/scoped_ptr.h"
namespace i18n {
namespace phonenumbers {
using std::string;
class RegExpAdapterTest : public testing::Test {
protected:
RegExpAdapterTest()
: digits_(RegExp::Create("\\d+")),
parentheses_digits_(RegExp::Create("\\((\\d+)\\)")),
single_digit_(RegExp::Create("\\d")),
two_digit_groups_(RegExp::Create("(\\d+)-(\\d+)")) {}
const scoped_ptr<const RegExp> digits_;
const scoped_ptr<const RegExp> parentheses_digits_;
const scoped_ptr<const RegExp> single_digit_;
const scoped_ptr<const RegExp> two_digit_groups_;
};
TEST_F(RegExpAdapterTest, TestConsumeNoMatch) {
const scoped_ptr<RegExpInput> input(RegExpInput::Create("+1-123-456-789"));
// When 'true' is passed to Consume(), the match occurs from the beginning of
// the input.
ASSERT_FALSE(digits_->Consume(input.get(), true, NULL, NULL, NULL));
ASSERT_EQ("+1-123-456-789", input->ToString());
string res1;
ASSERT_FALSE(parentheses_digits_->Consume(
input.get(), true, &res1, NULL, NULL));
ASSERT_EQ("+1-123-456-789", input->ToString());
ASSERT_EQ("", res1);
}
TEST_F(RegExpAdapterTest, TestConsumeWithNull) {
const scoped_ptr<RegExpInput> input(RegExpInput::Create("+123"));
const scoped_ptr<const RegExp> plus_sign(RegExp::Create("(\\+)"));
ASSERT_TRUE(plus_sign->Consume(input.get(), true, NULL, NULL, NULL));
ASSERT_EQ("123", input->ToString());
}
TEST_F(RegExpAdapterTest, TestConsumeRetainsMatches) {
const scoped_ptr<RegExpInput> input(RegExpInput::Create("1-123-456-789"));
string res1, res2;
ASSERT_TRUE(two_digit_groups_->Consume(
input.get(), true, &res1, &res2, NULL));
ASSERT_EQ("-456-789", input->ToString());
ASSERT_EQ("1", res1);
ASSERT_EQ("123", res2);
}
TEST_F(RegExpAdapterTest, TestFindAndConsume) {
const scoped_ptr<RegExpInput> input(RegExpInput::Create("+1-123-456-789"));
// When 'false' is passed to Consume(), the match can occur from any place in
// the input.
ASSERT_TRUE(digits_->Consume(input.get(), false, NULL, NULL, NULL));
ASSERT_EQ("-123-456-789", input->ToString());
ASSERT_TRUE(digits_->Consume(input.get(), false, NULL, NULL, NULL));
ASSERT_EQ("-456-789", input->ToString());
ASSERT_FALSE(parentheses_digits_->Consume(
input.get(), false, NULL, NULL, NULL));
ASSERT_EQ("-456-789", input->ToString());
string res1, res2;
ASSERT_TRUE(two_digit_groups_->Consume(
input.get(), false, &res1, &res2, NULL));
ASSERT_EQ("", input->ToString());
ASSERT_EQ("456", res1);
ASSERT_EQ("789", res2);
}
TEST(RegExpAdapter, TestPartialMatch) {
const scoped_ptr<const RegExp> reg_exp(RegExp::Create("([\\da-z]+)"));
string matched;
EXPECT_TRUE(reg_exp->PartialMatch("12345af", &matched));
EXPECT_EQ("12345af", matched);
EXPECT_TRUE(reg_exp->PartialMatch("12345af", NULL));
EXPECT_TRUE(reg_exp->PartialMatch("[12]", &matched));
EXPECT_EQ("12", matched);
matched.clear();
EXPECT_FALSE(reg_exp->PartialMatch("[]", &matched));
EXPECT_EQ("", matched);
}
TEST(RegExpAdapter, TestFullMatch) {
const scoped_ptr<const RegExp> reg_exp(RegExp::Create("([\\da-z]+)"));
string matched;
EXPECT_TRUE(reg_exp->FullMatch("12345af", &matched));
EXPECT_EQ("12345af", matched);
EXPECT_TRUE(reg_exp->FullMatch("12345af", NULL));
matched.clear();
EXPECT_FALSE(reg_exp->FullMatch("[12]", &matched));
EXPECT_EQ("", matched);
matched.clear();
EXPECT_FALSE(reg_exp->FullMatch("[]", &matched));
EXPECT_EQ("", matched);
}
TEST_F(RegExpAdapterTest, TestReplace) {
string input("123-4567 ");
ASSERT_TRUE(single_digit_->Replace(&input, "+"));
ASSERT_EQ("+23-4567 ", input);
ASSERT_TRUE(single_digit_->Replace(&input, "+"));
ASSERT_EQ("++3-4567 ", input);
const scoped_ptr<const RegExp> single_letter(RegExp::Create("[a-z]"));
ASSERT_FALSE(single_letter->Replace(&input, "+"));
ASSERT_EQ("++3-4567 ", input);
}
TEST_F(RegExpAdapterTest, TestReplaceWithGroup) {
// Make sure referencing groups in the regexp in the replacement string works.
// $[0-9] notation is used.
string input = "123-4567 abc";
ASSERT_TRUE(two_digit_groups_->Replace(&input, "$2"));
ASSERT_EQ("4567 abc", input);
input = "123-4567";
ASSERT_TRUE(two_digit_groups_->Replace(&input, "$1"));
ASSERT_EQ("123", input);
input = "123-4567";
ASSERT_TRUE(two_digit_groups_->Replace(&input, "$2"));
ASSERT_EQ("4567", input);
input = "123-4567";
ASSERT_TRUE(two_digit_groups_->Replace(&input, "$1 $2"));
ASSERT_EQ("123 4567", input);
}
TEST_F(RegExpAdapterTest, TestReplaceWithDollarSign) {
// Make sure '$' can be used in the replacement string when escaped.
string input = "123-4567";
ASSERT_TRUE(two_digit_groups_->Replace(&input, "\\$1 \\$2"));
ASSERT_EQ("$1 $2", input);
}
TEST_F(RegExpAdapterTest, TestGlobalReplace) {
string input("123-4567 ");
ASSERT_TRUE(single_digit_->GlobalReplace(&input, "*"));
ASSERT_EQ("***-**** ", input);
ASSERT_FALSE(single_digit_->GlobalReplace(&input, "*"));
ASSERT_EQ("***-**** ", input);
}
TEST(RegExpAdapter, TestUtf8) {
const scoped_ptr<const RegExp> reg_exp(RegExp::Create("℡⊏([α-ω]*)⊐"));
string matched;
EXPECT_FALSE(reg_exp->Match("℡⊏123⊐", true, &matched));
EXPECT_TRUE(reg_exp->Match("℡⊏αβ⊐", true, &matched));
EXPECT_EQ("αβ", matched);
}
} // namespace phonenumbers
} // namespace i18n
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