| /* |
| * |
| * Copyright (c) 2021 Project CHIP Authors |
| * 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 <lib/support/FixedBufferAllocator.h> |
| |
| #include <cstring> |
| #include <gtest/gtest.h> |
| |
| using namespace chip; |
| |
| namespace { |
| |
| TEST(TestFixedBufferAllocator, TestClone) |
| { |
| uint8_t buffer[128]; |
| FixedBufferAllocator alloc(buffer); |
| |
| static const char kTestString[] = "Test string"; |
| const char * allocatedString = alloc.Clone(kTestString); |
| |
| ASSERT_NE(allocatedString, nullptr); |
| EXPECT_NE(allocatedString, kTestString); |
| |
| // NOLINTNEXTLINE(clang-analyzer-unix.cstring.NullArg): null check for allocated string already done |
| EXPECT_STREQ(allocatedString, kTestString); |
| |
| const uint8_t kTestData[] = { 0xDE, 0xAD, 0xBE, 0xEF }; |
| const uint8_t * allocatedData = alloc.Clone(kTestData, sizeof(kTestData)); |
| |
| ASSERT_NE(allocatedData, nullptr); |
| EXPECT_NE(allocatedData, kTestData); |
| |
| // NOLINTNEXTLINE(clang-analyzer-unix.cstring.NullArg): null check for allocated data already done |
| EXPECT_EQ(memcmp(allocatedData, kTestData, sizeof(kTestData)), 0); |
| } |
| |
| TEST(TestFixedBufferAllocator, TestOutOfMemory) |
| { |
| uint8_t buffer[16]; |
| FixedBufferAllocator alloc(buffer); |
| |
| static const char kTestData[] = "0123456789abcdef"; |
| |
| // Allocating 16 bytes still works... |
| EXPECT_NE(alloc.Clone(kTestData, 16), nullptr); |
| EXPECT_FALSE(alloc.AnyAllocFailed()); |
| |
| // ...but cannot allocate even one more byte... |
| EXPECT_EQ(alloc.Clone(kTestData, 1), nullptr); |
| EXPECT_TRUE(alloc.AnyAllocFailed()); |
| } |
| } // namespace |