| /* |
| * Copyright (C) 2019 The Android Open Source Project |
| * |
| * 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 "perfetto/base/string_writer.h" |
| |
| #include "gmock/gmock.h" |
| #include "gtest/gtest.h" |
| |
| namespace perfetto { |
| namespace base { |
| namespace { |
| |
| TEST(StringWriterTest, BasicCases) { |
| char buffer[128]; |
| { |
| base::StringWriter writer(buffer, sizeof(buffer)); |
| writer.AppendChar('0'); |
| ASSERT_STREQ(writer.GetCString(), "0"); |
| } |
| { |
| base::StringWriter writer(buffer, sizeof(buffer)); |
| writer.AppendInt(132545); |
| ASSERT_STREQ(writer.GetCString(), "132545"); |
| } |
| { |
| base::StringWriter writer(buffer, sizeof(buffer)); |
| writer.AppendPaddedInt<'0', 3>(0); |
| ASSERT_STREQ(writer.GetCString(), "000"); |
| } |
| { |
| base::StringWriter writer(buffer, sizeof(buffer)); |
| writer.AppendPaddedInt<'0', 1>(1); |
| ASSERT_STREQ(writer.GetCString(), "1"); |
| } |
| { |
| base::StringWriter writer(buffer, sizeof(buffer)); |
| writer.AppendPaddedInt<'0', 3>(1); |
| ASSERT_STREQ(writer.GetCString(), "001"); |
| } |
| { |
| base::StringWriter writer(buffer, sizeof(buffer)); |
| writer.AppendPaddedInt<'0', 0>(1); |
| ASSERT_STREQ(writer.GetCString(), "1"); |
| } |
| { |
| base::StringWriter writer(buffer, sizeof(buffer)); |
| writer.AppendPaddedInt<' ', 5>(123); |
| ASSERT_STREQ(writer.GetCString(), " 123"); |
| } |
| { |
| base::StringWriter writer(buffer, sizeof(buffer)); |
| writer.AppendDouble(123.25); |
| ASSERT_STREQ(writer.GetCString(), "123.250000"); |
| } |
| { |
| base::StringWriter writer(buffer, sizeof(buffer)); |
| writer.AppendInt(std::numeric_limits<int64_t>::min()); |
| ASSERT_STREQ(writer.GetCString(), "-9223372036854775808"); |
| } |
| { |
| base::StringWriter writer(buffer, sizeof(buffer)); |
| writer.AppendInt(std::numeric_limits<int64_t>::max()); |
| ASSERT_STREQ(writer.GetCString(), "9223372036854775807"); |
| } |
| |
| constexpr char kTestStr[] = "test"; |
| { |
| base::StringWriter writer(buffer, sizeof(buffer)); |
| writer.AppendLiteral(kTestStr); |
| ASSERT_STREQ(writer.GetCString(), kTestStr); |
| } |
| { |
| base::StringWriter writer(buffer, sizeof(buffer)); |
| writer.AppendString(kTestStr, sizeof(kTestStr) - 1); |
| ASSERT_STREQ(writer.GetCString(), kTestStr); |
| } |
| { |
| base::StringWriter writer(buffer, sizeof(buffer)); |
| writer.AppendString(kTestStr); |
| ASSERT_STREQ(writer.GetCString(), kTestStr); |
| } |
| } |
| |
| TEST(StringWriterTest, WriteAllTypes) { |
| char buffer[128]; |
| base::StringWriter writer(buffer, sizeof(buffer)); |
| writer.AppendChar('0'); |
| writer.AppendInt(132545); |
| writer.AppendPaddedInt<'0', 0>(1); |
| writer.AppendPaddedInt<'0', 3>(0); |
| writer.AppendPaddedInt<'0', 1>(1); |
| writer.AppendPaddedInt<'0', 2>(1); |
| writer.AppendPaddedInt<'0', 3>(1); |
| writer.AppendPaddedInt<' ', 5>(123); |
| writer.AppendDouble(123.25); |
| |
| constexpr char kTestStr[] = "test"; |
| writer.AppendLiteral(kTestStr); |
| writer.AppendString(kTestStr, sizeof(kTestStr) - 1); |
| writer.AppendString(kTestStr); |
| |
| ASSERT_STREQ(writer.GetCString(), |
| "01325451000101001 123123.250000testtesttest"); |
| } |
| |
| } // namespace |
| } // namespace base |
| } // namespace perfetto |