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Diffstat (limited to 'Firestore/core/test/firebase/firestore/util/string_printf_test.cc')
-rw-r--r-- | Firestore/core/test/firebase/firestore/util/string_printf_test.cc | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/Firestore/core/test/firebase/firestore/util/string_printf_test.cc b/Firestore/core/test/firebase/firestore/util/string_printf_test.cc new file mode 100644 index 0000000..76f7cde --- /dev/null +++ b/Firestore/core/test/firebase/firestore/util/string_printf_test.cc @@ -0,0 +1,78 @@ +/* + * 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. + int 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 |