Media CAS Proxy SDK release: 16.5.0
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175
ubuntu/google/protobuf/arenastring_unittest.cc
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175
ubuntu/google/protobuf/arenastring_unittest.cc
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// Protocol Buffers - Google's data interchange format
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// Copyright 2008 Google Inc. All rights reserved.
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// https://developers.google.com/protocol-buffers/
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include <google/protobuf/arenastring.h>
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#include <algorithm>
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#include <cstdlib>
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#include <memory>
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#include <string>
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#include <vector>
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#include <google/protobuf/stubs/logging.h>
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#include <google/protobuf/stubs/common.h>
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#include <google/protobuf/io/coded_stream.h>
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#include <google/protobuf/io/zero_copy_stream_impl.h>
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#include <google/protobuf/generated_message_util.h>
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#include <gtest/gtest.h>
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#include <google/protobuf/stubs/strutil.h>
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// Must be included last.
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#include <google/protobuf/port_def.inc>
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namespace google {
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namespace protobuf {
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using internal::ArenaStringPtr;
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static std::string WrapString(const char* value) { return value; }
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using EmptyDefault = ArenaStringPtr::EmptyDefault;
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const internal::LazyString nonempty_default{{{"default", 7}}, {nullptr}};
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// Test ArenaStringPtr with arena == NULL.
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TEST(ArenaStringPtrTest, ArenaStringPtrOnHeap) {
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ArenaStringPtr field;
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const std::string* empty_default = &internal::GetEmptyString();
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field.UnsafeSetDefault(empty_default);
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EXPECT_EQ(std::string(""), field.Get());
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field.Set(empty_default, WrapString("Test short"), NULL);
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EXPECT_EQ(std::string("Test short"), field.Get());
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field.Set(empty_default, WrapString("Test long long long long value"), NULL);
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EXPECT_EQ(std::string("Test long long long long value"), field.Get());
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field.Set(empty_default, std::string(""), NULL);
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field.Destroy(empty_default, NULL);
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ArenaStringPtr field2;
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field2.UnsafeSetDefault(empty_default);
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std::string* mut = field2.Mutable(EmptyDefault{}, NULL);
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EXPECT_EQ(mut, field2.Mutable(EmptyDefault{}, NULL));
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EXPECT_EQ(mut, &field2.Get());
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EXPECT_NE(empty_default, mut);
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EXPECT_EQ(std::string(""), *mut);
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*mut = "Test long long long long value"; // ensure string allocates storage
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EXPECT_EQ(std::string("Test long long long long value"), field2.Get());
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field2.Destroy(empty_default, NULL);
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ArenaStringPtr field3;
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field3.UnsafeSetDefault(nullptr);
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mut = field3.Mutable(nonempty_default, NULL);
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EXPECT_EQ(mut, field3.Mutable(nonempty_default, NULL));
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EXPECT_EQ(mut, &field3.Get());
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EXPECT_NE(nullptr, mut);
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EXPECT_EQ(std::string("default"), *mut);
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*mut = "Test long long long long value"; // ensure string allocates storage
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EXPECT_EQ(std::string("Test long long long long value"), field3.Get());
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field3.Destroy(nullptr, NULL);
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}
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TEST(ArenaStringPtrTest, ArenaStringPtrOnArena) {
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Arena arena;
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ArenaStringPtr field;
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const std::string* empty_default = &internal::GetEmptyString();
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field.UnsafeSetDefault(empty_default);
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EXPECT_EQ(std::string(""), field.Get());
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field.Set(empty_default, WrapString("Test short"), &arena);
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EXPECT_EQ(std::string("Test short"), field.Get());
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field.Set(empty_default, WrapString("Test long long long long value"),
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&arena);
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EXPECT_EQ(std::string("Test long long long long value"), field.Get());
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field.Set(empty_default, std::string(""), &arena);
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field.Destroy(empty_default, &arena);
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ArenaStringPtr field2;
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field2.UnsafeSetDefault(empty_default);
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std::string* mut = field2.Mutable(EmptyDefault{}, &arena);
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EXPECT_EQ(mut, field2.Mutable(EmptyDefault{}, &arena));
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EXPECT_EQ(mut, &field2.Get());
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EXPECT_NE(empty_default, mut);
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EXPECT_EQ(std::string(""), *mut);
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*mut = "Test long long long long value"; // ensure string allocates storage
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EXPECT_EQ(std::string("Test long long long long value"), field2.Get());
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field2.Destroy(empty_default, &arena);
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ArenaStringPtr field3;
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field3.UnsafeSetDefault(nullptr);
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mut = field3.Mutable(nonempty_default, &arena);
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EXPECT_EQ(mut, field3.Mutable(nonempty_default, &arena));
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EXPECT_EQ(mut, &field3.Get());
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EXPECT_NE(nullptr, mut);
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EXPECT_EQ(std::string("default"), *mut);
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*mut = "Test long long long long value"; // ensure string allocates storage
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EXPECT_EQ(std::string("Test long long long long value"), field3.Get());
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field3.Destroy(nullptr, &arena);
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}
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TEST(ArenaStringPtrTest, ArenaStringPtrOnArenaNoSSO) {
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Arena arena;
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ArenaStringPtr field;
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const std::string* empty_default = &internal::GetEmptyString();
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field.UnsafeSetDefault(empty_default);
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EXPECT_EQ(std::string(""), field.Get());
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// Avoid triggering the SSO optimization by setting the string to something
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// larger than the internal buffer.
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field.Set(empty_default, WrapString("Test long long long long value"),
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&arena);
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EXPECT_EQ(std::string("Test long long long long value"), field.Get());
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field.Set(empty_default, std::string(""), &arena);
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field.Destroy(empty_default, &arena);
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ArenaStringPtr field2;
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field2.UnsafeSetDefault(empty_default);
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std::string* mut = field2.Mutable(EmptyDefault{}, &arena);
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EXPECT_EQ(mut, field2.Mutable(EmptyDefault{}, &arena));
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EXPECT_EQ(mut, &field2.Get());
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EXPECT_NE(empty_default, mut);
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EXPECT_EQ(std::string(""), *mut);
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*mut = "Test long long long long value"; // ensure string allocates storage
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EXPECT_EQ(std::string("Test long long long long value"), field2.Get());
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field2.Destroy(empty_default, &arena);
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ArenaStringPtr field3;
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field3.UnsafeSetDefault(nullptr);
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mut = field3.Mutable(nonempty_default, &arena);
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EXPECT_EQ(mut, field3.Mutable(nonempty_default, &arena));
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EXPECT_EQ(mut, &field3.Get());
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EXPECT_NE(nullptr, mut);
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EXPECT_EQ(std::string("default"), *mut);
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*mut = "Test long long long long value"; // ensure string allocates storage
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EXPECT_EQ(std::string("Test long long long long value"), field3.Get());
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field3.Destroy(nullptr, &arena);
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}
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} // namespace protobuf
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} // namespace google
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