144 lines
4.7 KiB
C++
144 lines
4.7 KiB
C++
/*
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* Copyright (C) 2013 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <memory>
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#include <sys/mman.h>
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#include <gtest/gtest.h>
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#include <ion/ion.h>
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#include "ion_test_fixture.h"
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class Allocate : public IonAllHeapsTest {
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};
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TEST_F(Allocate, Allocate)
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{
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static const size_t allocationSizes[] = {4*1024, 64*1024, 1024*1024, 2*1024*1024};
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for (unsigned int heapMask : m_allHeaps) {
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for (size_t size : allocationSizes) {
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SCOPED_TRACE(::testing::Message() << "heap " << heapMask);
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SCOPED_TRACE(::testing::Message() << "size " << size);
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ion_user_handle_t handle = 0;
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ASSERT_EQ(0, ion_alloc(m_ionFd, size, 0, heapMask, 0, &handle));
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ASSERT_TRUE(handle != 0);
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ASSERT_EQ(0, ion_free(m_ionFd, handle));
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}
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}
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}
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TEST_F(Allocate, AllocateCached)
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{
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static const size_t allocationSizes[] = {4*1024, 64*1024, 1024*1024, 2*1024*1024};
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for (unsigned int heapMask : m_allHeaps) {
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for (size_t size : allocationSizes) {
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SCOPED_TRACE(::testing::Message() << "heap " << heapMask);
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SCOPED_TRACE(::testing::Message() << "size " << size);
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ion_user_handle_t handle = 0;
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ASSERT_EQ(0, ion_alloc(m_ionFd, size, 0, heapMask, ION_FLAG_CACHED, &handle));
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ASSERT_TRUE(handle != 0);
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ASSERT_EQ(0, ion_free(m_ionFd, handle));
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}
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}
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}
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TEST_F(Allocate, AllocateCachedNeedsSync)
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{
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static const size_t allocationSizes[] = {4*1024, 64*1024, 1024*1024, 2*1024*1024};
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for (unsigned int heapMask : m_allHeaps) {
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for (size_t size : allocationSizes) {
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SCOPED_TRACE(::testing::Message() << "heap " << heapMask);
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SCOPED_TRACE(::testing::Message() << "size " << size);
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ion_user_handle_t handle = 0;
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ASSERT_EQ(0, ion_alloc(m_ionFd, size, 0, heapMask, ION_FLAG_CACHED_NEEDS_SYNC, &handle));
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ASSERT_TRUE(handle != 0);
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ASSERT_EQ(0, ion_free(m_ionFd, handle));
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}
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}
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}
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TEST_F(Allocate, RepeatedAllocate)
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{
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static const size_t allocationSizes[] = {4*1024, 64*1024, 1024*1024, 2*1024*1024};
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for (unsigned int heapMask : m_allHeaps) {
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for (size_t size : allocationSizes) {
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SCOPED_TRACE(::testing::Message() << "heap " << heapMask);
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SCOPED_TRACE(::testing::Message() << "size " << size);
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ion_user_handle_t handle = 0;
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for (unsigned int i = 0; i < 1024; i++) {
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SCOPED_TRACE(::testing::Message() << "iteration " << i);
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ASSERT_EQ(0, ion_alloc(m_ionFd, size, 0, heapMask, 0, &handle));
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ASSERT_TRUE(handle != 0);
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ASSERT_EQ(0, ion_free(m_ionFd, handle));
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}
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}
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}
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}
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TEST_F(Allocate, Zeroed)
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{
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auto zeroes_ptr = std::make_unique<char[]>(4096);
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for (unsigned int heapMask : m_allHeaps) {
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SCOPED_TRACE(::testing::Message() << "heap " << heapMask);
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int fds[16];
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for (unsigned int i = 0; i < 16; i++) {
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int map_fd = -1;
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ASSERT_EQ(0, ion_alloc_fd(m_ionFd, 4096, 0, heapMask, 0, &map_fd));
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ASSERT_GE(map_fd, 0);
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void *ptr = NULL;
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ptr = mmap(NULL, 4096, PROT_WRITE, MAP_SHARED, map_fd, 0);
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ASSERT_TRUE(ptr != NULL);
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memset(ptr, 0xaa, 4096);
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ASSERT_EQ(0, munmap(ptr, 4096));
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fds[i] = map_fd;
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}
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for (unsigned int i = 0; i < 16; i++) {
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ASSERT_EQ(0, close(fds[i]));
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}
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int newIonFd = ion_open();
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int map_fd = -1;
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ASSERT_EQ(0, ion_alloc_fd(newIonFd, 4096, 0, heapMask, 0, &map_fd));
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ASSERT_GE(map_fd, 0);
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void *ptr = NULL;
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ptr = mmap(NULL, 4096, PROT_READ, MAP_SHARED, map_fd, 0);
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ASSERT_TRUE(ptr != NULL);
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ASSERT_EQ(0, memcmp(ptr, zeroes_ptr.get(), 4096));
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ASSERT_EQ(0, munmap(ptr, 4096));
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ASSERT_EQ(0, close(map_fd));
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}
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}
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TEST_F(Allocate, Large)
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{
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for (unsigned int heapMask : m_allHeaps) {
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SCOPED_TRACE(::testing::Message() << "heap " << heapMask);
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ion_user_handle_t handle = 0;
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ASSERT_EQ(-ENOMEM, ion_alloc(m_ionFd, 3UL*1024*1024*1024, 0, heapMask, 0, &handle));
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}
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}
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