129 lines
4.5 KiB
C++
129 lines
4.5 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 <sys/mman.h>
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#include <unistd.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 Map : public IonTest {};
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TEST_F(Map, MapFd) {
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static const size_t allocationSizes[] = {4 * 1024, 64 * 1024, 1024 * 1024, 2 * 1024 * 1024};
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for (const auto& heap : ion_heaps) {
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for (size_t size : allocationSizes) {
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SCOPED_TRACE(::testing::Message()
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<< "heap:" << heap.name << ":" << heap.type << ":" << heap.heap_id);
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SCOPED_TRACE(::testing::Message() << "size " << size);
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int map_fd = -1;
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ASSERT_EQ(0, ion_alloc_fd(ionfd, size, 0, (1 << heap.heap_id), 0, &map_fd));
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ASSERT_GE(map_fd, 0);
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void* ptr;
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ptr = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, map_fd, 0);
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ASSERT_TRUE(ptr != NULL);
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ASSERT_EQ(0, close(map_fd));
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memset(ptr, 0xaa, size);
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ASSERT_EQ(0, munmap(ptr, size));
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}
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}
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}
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TEST_F(Map, MapOffset) {
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for (const auto& heap : ion_heaps) {
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SCOPED_TRACE(::testing::Message()
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<< "heap:" << heap.name << ":" << heap.type << ":" << heap.heap_id);
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int map_fd = -1;
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ASSERT_EQ(0, ion_alloc_fd(ionfd, getpagesize() * 2, 0, (1 << heap.heap_id), 0, &map_fd));
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ASSERT_GE(map_fd, 0);
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unsigned char* ptr;
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ptr = (unsigned char*)mmap(NULL, getpagesize() * 2, PROT_READ | PROT_WRITE, MAP_SHARED,
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map_fd, 0);
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ASSERT_TRUE(ptr != NULL);
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memset(ptr, 0, getpagesize());
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memset(ptr + getpagesize(), 0xaa, getpagesize());
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ASSERT_EQ(0, munmap(ptr, getpagesize() * 2));
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ptr = (unsigned char*)mmap(NULL, getpagesize(), PROT_READ | PROT_WRITE, MAP_SHARED, map_fd,
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getpagesize());
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ASSERT_TRUE(ptr != NULL);
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ASSERT_EQ(ptr[0], 0xaa);
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ASSERT_EQ(ptr[getpagesize() - 1], 0xaa);
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ASSERT_EQ(0, munmap(ptr, getpagesize()));
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ASSERT_EQ(0, close(map_fd));
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}
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}
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TEST_F(Map, MapCached) {
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static const size_t allocationSizes[] = {4 * 1024, 64 * 1024, 1024 * 1024, 2 * 1024 * 1024};
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for (const auto& heap : ion_heaps) {
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for (size_t size : allocationSizes) {
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SCOPED_TRACE(::testing::Message()
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<< "heap:" << heap.name << ":" << heap.type << ":" << heap.heap_id);
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SCOPED_TRACE(::testing::Message() << "size " << size);
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int map_fd = -1;
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unsigned int flags = ION_FLAG_CACHED;
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ASSERT_EQ(0, ion_alloc_fd(ionfd, size, 0, (1 << heap.heap_id), flags, &map_fd));
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ASSERT_GE(map_fd, 0);
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void* ptr;
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ptr = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, map_fd, 0);
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ASSERT_TRUE(ptr != NULL);
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ASSERT_EQ(0, close(map_fd));
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memset(ptr, 0xaa, size);
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ASSERT_EQ(0, munmap(ptr, size));
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}
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}
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}
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TEST_F(Map, MapCachedNeedsSync) {
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static const size_t allocationSizes[] = {4 * 1024, 64 * 1024, 1024 * 1024, 2 * 1024 * 1024};
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for (const auto& heap : ion_heaps) {
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for (size_t size : allocationSizes) {
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SCOPED_TRACE(::testing::Message()
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<< "heap:" << heap.name << ":" << heap.type << ":" << heap.heap_id);
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SCOPED_TRACE(::testing::Message() << "size " << size);
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int map_fd = -1;
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unsigned int flags = ION_FLAG_CACHED | ION_FLAG_CACHED_NEEDS_SYNC;
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ASSERT_EQ(0, ion_alloc_fd(ionfd, size, 0, (1 << heap.heap_id), flags, &map_fd));
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ASSERT_GE(map_fd, 0);
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void* ptr;
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ptr = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, map_fd, 0);
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ASSERT_TRUE(ptr != NULL);
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ASSERT_EQ(0, close(map_fd));
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memset(ptr, 0xaa, size);
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ASSERT_EQ(0, munmap(ptr, size));
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}
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}
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}
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