output_test.cc (2508B)
1 // Copyright 2017 The Abseil Authors. 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // https://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #include "absl/strings/internal/str_format/output.h" 16 17 #include <sstream> 18 #include <string> 19 20 #include "gmock/gmock.h" 21 #include "gtest/gtest.h" 22 #include "absl/strings/cord.h" 23 24 namespace absl { 25 ABSL_NAMESPACE_BEGIN 26 namespace { 27 28 TEST(InvokeFlush, String) { 29 std::string str = "ABC"; 30 str_format_internal::InvokeFlush(&str, "DEF"); 31 EXPECT_EQ(str, "ABCDEF"); 32 } 33 34 TEST(InvokeFlush, Stream) { 35 std::stringstream str; 36 str << "ABC"; 37 str_format_internal::InvokeFlush(&str, "DEF"); 38 EXPECT_EQ(str.str(), "ABCDEF"); 39 } 40 41 TEST(InvokeFlush, Cord) { 42 absl::Cord str("ABC"); 43 str_format_internal::InvokeFlush(&str, "DEF"); 44 EXPECT_EQ(str, "ABCDEF"); 45 } 46 47 TEST(BufferRawSink, Limits) { 48 char buf[16]; 49 { 50 std::fill(std::begin(buf), std::end(buf), 'x'); 51 str_format_internal::BufferRawSink bufsink(buf, sizeof(buf) - 1); 52 str_format_internal::InvokeFlush(&bufsink, "Hello World237"); 53 EXPECT_EQ(std::string(buf, sizeof(buf)), "Hello World237xx"); 54 } 55 { 56 std::fill(std::begin(buf), std::end(buf), 'x'); 57 str_format_internal::BufferRawSink bufsink(buf, sizeof(buf) - 1); 58 str_format_internal::InvokeFlush(&bufsink, "Hello World237237"); 59 EXPECT_EQ(std::string(buf, sizeof(buf)), "Hello World2372x"); 60 } 61 { 62 std::fill(std::begin(buf), std::end(buf), 'x'); 63 str_format_internal::BufferRawSink bufsink(buf, sizeof(buf) - 1); 64 str_format_internal::InvokeFlush(&bufsink, "Hello World"); 65 str_format_internal::InvokeFlush(&bufsink, "237"); 66 EXPECT_EQ(std::string(buf, sizeof(buf)), "Hello World237xx"); 67 } 68 { 69 std::fill(std::begin(buf), std::end(buf), 'x'); 70 str_format_internal::BufferRawSink bufsink(buf, sizeof(buf) - 1); 71 str_format_internal::InvokeFlush(&bufsink, "Hello World"); 72 str_format_internal::InvokeFlush(&bufsink, "237237"); 73 EXPECT_EQ(std::string(buf, sizeof(buf)), "Hello World2372x"); 74 } 75 } 76 77 } // namespace 78 ABSL_NAMESPACE_END 79 } // namespace absl