| // Protocol Buffers - Google's data interchange format |
| // Copyright 2008 Google Inc. All rights reserved. |
| // https://developers.google.com/protocol-buffers/ |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following disclaimer |
| // in the documentation and/or other materials provided with the |
| // distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| // Based on mvels@'s frankenstring. |
| |
| #include <google/protobuf/arenastring.h> |
| |
| #include <string> |
| #include <memory> |
| #ifndef _SHARED_PTR_H |
| #include <google/protobuf/stubs/shared_ptr.h> |
| #endif |
| #include <cstdlib> |
| |
| #include <google/protobuf/stubs/logging.h> |
| #include <google/protobuf/stubs/common.h> |
| #include <gtest/gtest.h> |
| |
| namespace google { |
| using google::protobuf::internal::ArenaString; |
| using google::protobuf::internal::ArenaStringPtr; |
| |
| namespace protobuf { |
| |
| |
| static string WrapString(const char* value) { |
| return value; |
| } |
| |
| // Test ArenaStringPtr with arena == NULL. |
| TEST(ArenaStringPtrTest, ArenaStringPtrOnHeap) { |
| ArenaStringPtr field; |
| ::std::string default_value = "default"; |
| field.UnsafeSetDefault(&default_value); |
| EXPECT_EQ(string("default"), field.Get(&default_value)); |
| field.Set(&default_value, WrapString("Test short"), NULL); |
| EXPECT_EQ(string("Test short"), field.Get(&default_value)); |
| field.Set(&default_value, WrapString("Test long long long long value"), NULL); |
| EXPECT_EQ(string("Test long long long long value"), field.Get(&default_value)); |
| field.Set(&default_value, string(""), NULL); |
| field.Destroy(&default_value, NULL); |
| |
| ArenaStringPtr field2; |
| field2.UnsafeSetDefault(&default_value); |
| ::std::string* mut = field2.Mutable(&default_value, NULL); |
| EXPECT_EQ(mut, field2.Mutable(&default_value, NULL)); |
| EXPECT_EQ(mut, &field2.Get(&default_value)); |
| EXPECT_NE(&default_value, mut); |
| EXPECT_EQ(string("default"), *mut); |
| *mut = "Test long long long long value"; // ensure string allocates storage |
| EXPECT_EQ(string("Test long long long long value"), field2.Get(&default_value)); |
| field2.Destroy(&default_value, NULL); |
| } |
| |
| TEST(ArenaStringPtrTest, ArenaStringPtrOnArena) { |
| google::protobuf::Arena arena; |
| ArenaStringPtr field; |
| ::std::string default_value = "default"; |
| field.UnsafeSetDefault(&default_value); |
| EXPECT_EQ(string("default"), field.Get(&default_value)); |
| field.Set(&default_value, WrapString("Test short"), &arena); |
| EXPECT_EQ(string("Test short"), field.Get(&default_value)); |
| field.Set(&default_value, WrapString("Test long long long long value"), &arena); |
| EXPECT_EQ(string("Test long long long long value"), |
| field.Get(&default_value)); |
| field.Set(&default_value, string(""), &arena); |
| field.Destroy(&default_value, &arena); |
| |
| ArenaStringPtr field2; |
| field2.UnsafeSetDefault(&default_value); |
| ::std::string* mut = field2.Mutable(&default_value, &arena); |
| EXPECT_EQ(mut, field2.Mutable(&default_value, &arena)); |
| EXPECT_EQ(mut, &field2.Get(&default_value)); |
| EXPECT_NE(&default_value, mut); |
| EXPECT_EQ(string("default"), *mut); |
| *mut = "Test long long long long value"; // ensure string allocates storage |
| EXPECT_EQ(string("Test long long long long value"), |
| field2.Get(&default_value)); |
| field2.Destroy(&default_value, &arena); |
| } |
| |
| } // namespace protobuf |
| } // namespace google |