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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_printf.h"
#include "gtest/gtest.h"
namespace firebase {
namespace firestore {
namespace util {
TEST(StringPrintf, Empty) {
EXPECT_EQ("", StringPrintf(""));
EXPECT_EQ("", StringPrintf("%s", std::string().c_str()));
EXPECT_EQ("", StringPrintf("%s", ""));
}
TEST(StringAppendFTest, Empty) {
std::string value("Hello");
const char* empty = "";
StringAppendF(&value, "%s", empty);
EXPECT_EQ("Hello", value);
}
TEST(StringAppendFTest, EmptyString) {
std::string value("Hello");
StringAppendF(&value, "%s", "");
EXPECT_EQ("Hello", value);
}
TEST(StringAppendFTest, String) {
std::string value("Hello");
StringAppendF(&value, " %s", "World");
EXPECT_EQ("Hello World", value);
}
TEST(StringAppendFTest, Int) {
std::string value("Hello");
StringAppendF(&value, " %d", 123);
EXPECT_EQ("Hello 123", value);
}
TEST(StringPrintf, DontOverwriteErrno) {
// Check that errno isn't overwritten unless we're printing
// something significantly larger than what people are normally
// printing in their badly written PLOG() statements.
errno = ECHILD;
std::string value = StringPrintf("Hello, %s!", "World");
EXPECT_EQ(ECHILD, errno);
}
TEST(StringPrintf, LargeBuf) {
// Check that the large buffer is handled correctly.
size_t n = 2048;
char* buf = new char[n + 1];
memset(buf, ' ', n);
buf[n] = 0;
std::string value = StringPrintf("%s", buf);
EXPECT_EQ(buf, value);
delete[] buf;
}
} // namespace util
} // namespace firestore
} // namespace firebase
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