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/*
* Copyright 2017 Google
*
* 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.
*/
#include "Firestore/core/src/firebase/firestore/util/string_util.h"
#include "gtest/gtest.h"
namespace firebase {
namespace firestore {
namespace util {
TEST(StringUtil, PrefixSuccessor) {
EXPECT_EQ(PrefixSuccessor("a"), "b");
EXPECT_EQ(PrefixSuccessor("aaAA"), "aaAB");
EXPECT_EQ(PrefixSuccessor("aaa\xff"), "aab");
EXPECT_EQ(PrefixSuccessor(std::string("\x00", 1)), "\x01");
EXPECT_EQ(PrefixSuccessor("az\xe0"), "az\xe1");
EXPECT_EQ(PrefixSuccessor("\xff\xff\xff"), "");
EXPECT_EQ(PrefixSuccessor(""), "");
}
TEST(StringUtil, ImmediateSuccessor) {
EXPECT_EQ(ImmediateSuccessor("hello"), std::string("hello\0", 6));
EXPECT_EQ(ImmediateSuccessor(""), std::string("\0", 1));
}
} // namespace util
} // namespace firestore
} // namespace firebase
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