Sergio Giro | 7987b83 | 2015-08-18 17:36:50 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2015 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
Sergio Giro | d95e47f | 2015-08-18 17:36:50 +0100 | [diff] [blame] | 17 | #define __STDC_LIMIT_MACROS |
Sergio Giro | 7987b83 | 2015-08-18 17:36:50 +0100 | [diff] [blame] | 18 | |
| 19 | #include <gtest/gtest.h> |
| 20 | |
| 21 | #include <memory> |
| 22 | #include <stdint.h> |
| 23 | |
Sergio Giro | 8dba9a7 | 2015-09-23 21:22:14 +0100 | [diff] [blame] | 24 | #include "SharedBuffer.h" |
| 25 | |
Elliott Hughes | f2f016e | 2020-10-19 13:18:45 -0700 | [diff] [blame] | 26 | extern "C" void __hwasan_init() __attribute__((weak)); |
| 27 | #define SKIP_WITH_HWASAN \ |
| 28 | if (&__hwasan_init != 0) GTEST_SKIP() |
Sergio Giro | 7987b83 | 2015-08-18 17:36:50 +0100 | [diff] [blame] | 29 | |
Elliott Hughes | f2f016e | 2020-10-19 13:18:45 -0700 | [diff] [blame] | 30 | TEST(SharedBufferTest, alloc_death) { |
| 31 | EXPECT_DEATH(android::SharedBuffer::alloc(SIZE_MAX), ""); |
| 32 | EXPECT_DEATH(android::SharedBuffer::alloc(SIZE_MAX - sizeof(android::SharedBuffer)), ""); |
Sergio Giro | 7987b83 | 2015-08-18 17:36:50 +0100 | [diff] [blame] | 33 | } |
| 34 | |
Steven Moreland | 128826c | 2021-04-27 21:36:50 +0000 | [diff] [blame] | 35 | TEST(SharedBufferTest, alloc_max) { |
Elliott Hughes | f2f016e | 2020-10-19 13:18:45 -0700 | [diff] [blame] | 36 | SKIP_WITH_HWASAN; // hwasan has a 2GiB allocation limit. |
Steven Moreland | 128826c | 2021-04-27 21:36:50 +0000 | [diff] [blame] | 37 | |
| 38 | android::SharedBuffer* buf = |
| 39 | android::SharedBuffer::alloc(SIZE_MAX - sizeof(android::SharedBuffer) - 1); |
| 40 | if (buf != nullptr) { |
| 41 | EXPECT_NE(nullptr, buf->data()); |
| 42 | buf->release(); |
| 43 | } |
| 44 | } |
| 45 | |
| 46 | TEST(SharedBufferTest, alloc_big) { |
| 47 | SKIP_WITH_HWASAN; // hwasan has a 2GiB allocation limit. |
| 48 | |
| 49 | android::SharedBuffer* buf = android::SharedBuffer::alloc(SIZE_MAX / 2); |
| 50 | if (buf != nullptr) { |
| 51 | EXPECT_NE(nullptr, buf->data()); |
| 52 | buf->release(); |
| 53 | } |
Elliott Hughes | f2f016e | 2020-10-19 13:18:45 -0700 | [diff] [blame] | 54 | } |
Sergio Giro | 7987b83 | 2015-08-18 17:36:50 +0100 | [diff] [blame] | 55 | |
Elliott Hughes | f2f016e | 2020-10-19 13:18:45 -0700 | [diff] [blame] | 56 | TEST(SharedBufferTest, alloc_zero_size) { |
| 57 | android::SharedBuffer* buf = android::SharedBuffer::alloc(0); |
| 58 | ASSERT_NE(nullptr, buf); |
| 59 | ASSERT_EQ(0U, buf->size()); |
| 60 | buf->release(); |
| 61 | } |
Sergio Giro | 7987b83 | 2015-08-18 17:36:50 +0100 | [diff] [blame] | 62 | |
Elliott Hughes | f2f016e | 2020-10-19 13:18:45 -0700 | [diff] [blame] | 63 | TEST(SharedBufferTest, editResize_death) { |
| 64 | android::SharedBuffer* buf = android::SharedBuffer::alloc(10); |
| 65 | EXPECT_DEATH(buf->editResize(SIZE_MAX - sizeof(android::SharedBuffer)), ""); |
| 66 | buf = android::SharedBuffer::alloc(10); |
| 67 | EXPECT_DEATH(buf->editResize(SIZE_MAX), ""); |
| 68 | } |
| 69 | |
| 70 | TEST(SharedBufferTest, editResize_null) { |
| 71 | // Big enough to fail, not big enough to abort. |
| 72 | SKIP_WITH_HWASAN; // hwasan has a 2GiB allocation limit. |
| 73 | android::SharedBuffer* buf = android::SharedBuffer::alloc(10); |
Steven Moreland | 128826c | 2021-04-27 21:36:50 +0000 | [diff] [blame] | 74 | android::SharedBuffer* buf2 = buf->editResize(SIZE_MAX / 2); |
| 75 | if (buf2 == nullptr) { |
| 76 | buf->release(); |
| 77 | } else { |
| 78 | EXPECT_NE(nullptr, buf2->data()); |
| 79 | buf2->release(); |
| 80 | } |
Elliott Hughes | f2f016e | 2020-10-19 13:18:45 -0700 | [diff] [blame] | 81 | } |
| 82 | |
| 83 | TEST(SharedBufferTest, editResize_zero_size) { |
| 84 | android::SharedBuffer* buf = android::SharedBuffer::alloc(10); |
| 85 | buf = buf->editResize(0); |
| 86 | ASSERT_EQ(0U, buf->size()); |
| 87 | buf->release(); |
Sergio Giro | 7987b83 | 2015-08-18 17:36:50 +0100 | [diff] [blame] | 88 | } |