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// Copyright 2015 Google Inc. All Rights Reserved.
//
// 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 "starboard/memory.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace starboard {
namespace nplb {
namespace {
const size_t kSize = 1024 * 128;
TEST(SbMemoryMoveTest, MovesSomeData) {
void* memory1 = SbMemoryAllocate(kSize);
ASSERT_NE(static_cast<void*>(NULL), memory1);
void* memory2 = SbMemoryAllocate(kSize);
ASSERT_NE(static_cast<void*>(NULL), memory2);
char* data1 = static_cast<char*>(memory1);
char* data2 = static_cast<char*>(memory2);
for (int i = 0; i < kSize; ++i) {
data1[i] = i;
data2[i] = 0;
}
void* result = SbMemoryMove(memory2, memory1, kSize);
EXPECT_EQ(memory2, result);
for (int i = 0; i < kSize; ++i) {
EXPECT_EQ(data1[i], static_cast<char>(i));
EXPECT_EQ(data2[i], static_cast<char>(i));
}
SbMemoryDeallocate(memory1);
SbMemoryDeallocate(memory2);
}
TEST(SbMemoryMoveTest, MovesZeroData) {
void* memory1 = SbMemoryAllocate(kSize);
ASSERT_NE(static_cast<void*>(NULL), memory1);
void* memory2 = SbMemoryAllocate(kSize);
ASSERT_NE(static_cast<void*>(NULL), memory2);
char* data1 = static_cast<char*>(memory1);
char* data2 = static_cast<char*>(memory2);
for (int i = 0; i < kSize; ++i) {
data1[i] = static_cast<char>(i);
data2[i] = static_cast<char>(i + 1);
}
void* result = SbMemoryMove(memory2, memory1, 0);
EXPECT_EQ(memory2, result);
for (int i = 0; i < kSize; ++i) {
EXPECT_EQ(data1[i], static_cast<char>(i));
EXPECT_EQ(data2[i], static_cast<char>(i + 1));
}
SbMemoryDeallocate(memory1);
SbMemoryDeallocate(memory2);
}
TEST(SbMemoryMoveTest, MovesOverlappingDataForward) {
void* memory = SbMemoryAllocate(kSize);
ASSERT_NE(static_cast<void*>(NULL), memory);
char* data = static_cast<char*>(memory);
for (int i = 0; i < kSize; ++i) {
data[i] = static_cast<char>(i);
}
void* result = SbMemoryMove(data + 3, data, kSize - 3);
EXPECT_EQ(data + 3, result);
for (int i = 0; i < kSize - 3; ++i) {
EXPECT_EQ(data[i + 3], static_cast<char>(i));
}
SbMemoryDeallocate(memory);
}
TEST(SbMemoryMoveTest, MovesOverlappingDataBackwards) {
void* memory = SbMemoryAllocate(kSize);
ASSERT_NE(static_cast<void*>(NULL), memory);
char* data = static_cast<char*>(memory);
for (int i = 0; i < kSize; ++i) {
data[i] = static_cast<char>(i);
}
void* result = SbMemoryMove(data, data + 3, kSize - 3);
EXPECT_EQ(memory, result);
for (int i = 0; i < kSize - 3; ++i) {
EXPECT_EQ(data[i], static_cast<char>(i + 3));
}
SbMemoryDeallocate(memory);
}
} // namespace
} // namespace nplb
} // namespace starboard