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81 lines
2.5 KiB
C++
81 lines
2.5 KiB
C++
// Copyright 2017 The Abseil Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "absl/strings/internal/str_format/output.h"
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#include <sstream>
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#include <string>
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#include "gmock/gmock.h"
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#include "gtest/gtest.h"
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namespace absl {
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inline namespace lts_2018_12_18 {
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namespace {
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TEST(InvokeFlush, String) {
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std::string str = "ABC";
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str_format_internal::InvokeFlush(&str, "DEF");
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EXPECT_EQ(str, "ABCDEF");
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#if UTIL_FORMAT_HAS_GLOBAL_STRING
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std::string str2 = "ABC";
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str_format_internal::InvokeFlush(&str2, "DEF");
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EXPECT_EQ(str2, "ABCDEF");
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#endif // UTIL_FORMAT_HAS_GLOBAL_STRING
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}
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TEST(InvokeFlush, Stream) {
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std::stringstream str;
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str << "ABC";
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str_format_internal::InvokeFlush(&str, "DEF");
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EXPECT_EQ(str.str(), "ABCDEF");
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}
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TEST(BufferRawSink, Limits) {
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char buf[16];
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{
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std::fill(std::begin(buf), std::end(buf), 'x');
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str_format_internal::BufferRawSink bufsink(buf, sizeof(buf) - 1);
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str_format_internal::InvokeFlush(&bufsink, "Hello World237");
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EXPECT_EQ(std::string(buf, sizeof(buf)), "Hello World237xx");
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}
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{
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std::fill(std::begin(buf), std::end(buf), 'x');
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str_format_internal::BufferRawSink bufsink(buf, sizeof(buf) - 1);
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str_format_internal::InvokeFlush(&bufsink, "Hello World237237");
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EXPECT_EQ(std::string(buf, sizeof(buf)), "Hello World2372x");
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}
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{
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std::fill(std::begin(buf), std::end(buf), 'x');
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str_format_internal::BufferRawSink bufsink(buf, sizeof(buf) - 1);
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str_format_internal::InvokeFlush(&bufsink, "Hello World");
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str_format_internal::InvokeFlush(&bufsink, "237");
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EXPECT_EQ(std::string(buf, sizeof(buf)), "Hello World237xx");
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}
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{
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std::fill(std::begin(buf), std::end(buf), 'x');
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str_format_internal::BufferRawSink bufsink(buf, sizeof(buf) - 1);
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str_format_internal::InvokeFlush(&bufsink, "Hello World");
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str_format_internal::InvokeFlush(&bufsink, "237237");
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EXPECT_EQ(std::string(buf, sizeof(buf)), "Hello World2372x");
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}
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}
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} // namespace
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} // inline namespace lts_2018_12_18
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} // namespace absl
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