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/*
* Copyright (C) 2013 The Android Open Source Project
*
* 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 <memory>
#include <sys/mman.h>
#include <gtest/gtest.h>
#include <ion/ion.h>
#include "ion_test_fixture.h"
class Allocate : public IonAllHeapsTest {
};
TEST_F(Allocate, Allocate)
{
static const size_t allocationSizes[] = {4*1024, 64*1024, 1024*1024, 2*1024*1024};
for (unsigned int heapMask : m_allHeaps) {
for (size_t size : allocationSizes) {
SCOPED_TRACE(::testing::Message() << "heap " << heapMask);
SCOPED_TRACE(::testing::Message() << "size " << size);
ion_user_handle_t handle = 0;
ASSERT_EQ(0, ion_alloc(m_ionFd, size, 0, heapMask, 0, &handle));
ASSERT_TRUE(handle != 0);
ASSERT_EQ(0, ion_free(m_ionFd, handle));
}
}
}
TEST_F(Allocate, AllocateCached)
{
static const size_t allocationSizes[] = {4*1024, 64*1024, 1024*1024, 2*1024*1024};
for (unsigned int heapMask : m_allHeaps) {
for (size_t size : allocationSizes) {
SCOPED_TRACE(::testing::Message() << "heap " << heapMask);
SCOPED_TRACE(::testing::Message() << "size " << size);
ion_user_handle_t handle = 0;
ASSERT_EQ(0, ion_alloc(m_ionFd, size, 0, heapMask, ION_FLAG_CACHED, &handle));
ASSERT_TRUE(handle != 0);
ASSERT_EQ(0, ion_free(m_ionFd, handle));
}
}
}
TEST_F(Allocate, AllocateCachedNeedsSync)
{
static const size_t allocationSizes[] = {4*1024, 64*1024, 1024*1024, 2*1024*1024};
for (unsigned int heapMask : m_allHeaps) {
for (size_t size : allocationSizes) {
SCOPED_TRACE(::testing::Message() << "heap " << heapMask);
SCOPED_TRACE(::testing::Message() << "size " << size);
ion_user_handle_t handle = 0;
ASSERT_EQ(0, ion_alloc(m_ionFd, size, 0, heapMask, ION_FLAG_CACHED_NEEDS_SYNC, &handle));
ASSERT_TRUE(handle != 0);
ASSERT_EQ(0, ion_free(m_ionFd, handle));
}
}
}
TEST_F(Allocate, RepeatedAllocate)
{
static const size_t allocationSizes[] = {4*1024, 64*1024, 1024*1024, 2*1024*1024};
for (unsigned int heapMask : m_allHeaps) {
for (size_t size : allocationSizes) {
SCOPED_TRACE(::testing::Message() << "heap " << heapMask);
SCOPED_TRACE(::testing::Message() << "size " << size);
ion_user_handle_t handle = 0;
for (unsigned int i = 0; i < 1024; i++) {
SCOPED_TRACE(::testing::Message() << "iteration " << i);
ASSERT_EQ(0, ion_alloc(m_ionFd, size, 0, heapMask, 0, &handle));
ASSERT_TRUE(handle != 0);
ASSERT_EQ(0, ion_free(m_ionFd, handle));
}
}
}
}
TEST_F(Allocate, Zeroed)
{
auto zeroes_ptr = std::make_unique<char[]>(4096);
for (unsigned int heapMask : m_allHeaps) {
SCOPED_TRACE(::testing::Message() << "heap " << heapMask);
int fds[16];
for (unsigned int i = 0; i < 16; i++) {
int map_fd = -1;
ASSERT_EQ(0, ion_alloc_fd(m_ionFd, 4096, 0, heapMask, 0, &map_fd));
ASSERT_GE(map_fd, 0);
void *ptr = NULL;
ptr = mmap(NULL, 4096, PROT_WRITE, MAP_SHARED, map_fd, 0);
ASSERT_TRUE(ptr != NULL);
memset(ptr, 0xaa, 4096);
ASSERT_EQ(0, munmap(ptr, 4096));
fds[i] = map_fd;
}
for (unsigned int i = 0; i < 16; i++) {
ASSERT_EQ(0, close(fds[i]));
}
int newIonFd = ion_open();
int map_fd = -1;
ASSERT_EQ(0, ion_alloc_fd(newIonFd, 4096, 0, heapMask, 0, &map_fd));
ASSERT_GE(map_fd, 0);
void *ptr = NULL;
ptr = mmap(NULL, 4096, PROT_READ, MAP_SHARED, map_fd, 0);
ASSERT_TRUE(ptr != NULL);
ASSERT_EQ(0, memcmp(ptr, zeroes_ptr.get(), 4096));
ASSERT_EQ(0, munmap(ptr, 4096));
ASSERT_EQ(0, close(map_fd));
}
}
TEST_F(Allocate, Large)
{
for (unsigned int heapMask : m_allHeaps) {
SCOPED_TRACE(::testing::Message() << "heap " << heapMask);
ion_user_handle_t handle = 0;
ASSERT_EQ(-ENOMEM, ion_alloc(m_ionFd, 3UL*1024*1024*1024, 0, heapMask, 0, &handle));
}
}
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