From 5fdda3fa837f3138973d754f05aec7f541f806ce Mon Sep 17 00:00:00 2001 From: zxu Date: Thu, 25 Jan 2018 13:03:07 -0500 Subject: normalize string_util (#708) * refactoring string_util * port string_util to iOS --- .../firebase/firestore/util/string_util_test.cc | 42 ++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 Firestore/core/test/firebase/firestore/util/string_util_test.cc (limited to 'Firestore/core/test/firebase/firestore/util/string_util_test.cc') diff --git a/Firestore/core/test/firebase/firestore/util/string_util_test.cc b/Firestore/core/test/firebase/firestore/util/string_util_test.cc new file mode 100644 index 0000000..f94596f --- /dev/null +++ b/Firestore/core/test/firebase/firestore/util/string_util_test.cc @@ -0,0 +1,42 @@ +/* + * 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 + +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 -- cgit v1.2.3