1/*
2 * Copyright (C) 2013 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
17#include <sys/mman.h>
18
19#include <gtest/gtest.h>
20
21#include <ion/ion.h>
22#include "ion_test_fixture.h"
23
24class Allocate : public IonAllHeapsTest {
25};
26
27TEST_F(Allocate, Allocate)
28{
29    static const size_t allocationSizes[] = {4*1024, 64*1024, 1024*1024, 2*1024*1024};
30    for (unsigned int heapMask : m_allHeaps) {
31        for (size_t size : allocationSizes) {
32            SCOPED_TRACE(::testing::Message() << "heap " << heapMask);
33            SCOPED_TRACE(::testing::Message() << "size " << size);
34            ion_user_handle_t handle = 0;
35            ASSERT_EQ(0, ion_alloc(m_ionFd, size, 0, heapMask, 0, &handle));
36            ASSERT_TRUE(handle != 0);
37            ASSERT_EQ(0, ion_free(m_ionFd, handle));
38        }
39    }
40}
41
42TEST_F(Allocate, AllocateCached)
43{
44    static const size_t allocationSizes[] = {4*1024, 64*1024, 1024*1024, 2*1024*1024};
45    for (unsigned int heapMask : m_allHeaps) {
46        for (size_t size : allocationSizes) {
47            SCOPED_TRACE(::testing::Message() << "heap " << heapMask);
48            SCOPED_TRACE(::testing::Message() << "size " << size);
49            ion_user_handle_t handle = 0;
50            ASSERT_EQ(0, ion_alloc(m_ionFd, size, 0, heapMask, ION_FLAG_CACHED, &handle));
51            ASSERT_TRUE(handle != 0);
52            ASSERT_EQ(0, ion_free(m_ionFd, handle));
53        }
54    }
55}
56
57TEST_F(Allocate, AllocateCachedNeedsSync)
58{
59    static const size_t allocationSizes[] = {4*1024, 64*1024, 1024*1024, 2*1024*1024};
60    for (unsigned int heapMask : m_allHeaps) {
61        for (size_t size : allocationSizes) {
62            SCOPED_TRACE(::testing::Message() << "heap " << heapMask);
63            SCOPED_TRACE(::testing::Message() << "size " << size);
64            ion_user_handle_t handle = 0;
65            ASSERT_EQ(0, ion_alloc(m_ionFd, size, 0, heapMask, ION_FLAG_CACHED_NEEDS_SYNC, &handle));
66            ASSERT_TRUE(handle != 0);
67            ASSERT_EQ(0, ion_free(m_ionFd, handle));
68        }
69    }
70}
71
72TEST_F(Allocate, RepeatedAllocate)
73{
74    static const size_t allocationSizes[] = {4*1024, 64*1024, 1024*1024, 2*1024*1024};
75    for (unsigned int heapMask : m_allHeaps) {
76        for (size_t size : allocationSizes) {
77            SCOPED_TRACE(::testing::Message() << "heap " << heapMask);
78            SCOPED_TRACE(::testing::Message() << "size " << size);
79            ion_user_handle_t handle = 0;
80
81            for (unsigned int i = 0; i < 1024; i++) {
82                SCOPED_TRACE(::testing::Message() << "iteration " << i);
83                ASSERT_EQ(0, ion_alloc(m_ionFd, size, 0, heapMask, 0, &handle));
84                ASSERT_TRUE(handle != 0);
85                ASSERT_EQ(0, ion_free(m_ionFd, handle));
86            }
87        }
88    }
89}
90
91TEST_F(Allocate, Zeroed)
92{
93    void *zeroes = calloc(4096, 1);
94
95    for (unsigned int heapMask : m_allHeaps) {
96        SCOPED_TRACE(::testing::Message() << "heap " << heapMask);
97        int fds[16];
98        for (unsigned int i = 0; i < 16; i++) {
99            int map_fd = -1;
100
101            ASSERT_EQ(0, ion_alloc_fd(m_ionFd, 4096, 0, heapMask, 0, &map_fd));
102            ASSERT_GE(map_fd, 0);
103
104            void *ptr = NULL;
105            ptr = mmap(NULL, 4096, PROT_WRITE, MAP_SHARED, map_fd, 0);
106            ASSERT_TRUE(ptr != NULL);
107
108            memset(ptr, 0xaa, 4096);
109
110            ASSERT_EQ(0, munmap(ptr, 4096));
111            fds[i] = map_fd;
112        }
113
114        for (unsigned int i = 0; i < 16; i++) {
115            ASSERT_EQ(0, close(fds[i]));
116        }
117
118        int newIonFd = ion_open();
119        int map_fd = -1;
120
121        ASSERT_EQ(0, ion_alloc_fd(newIonFd, 4096, 0, heapMask, 0, &map_fd));
122        ASSERT_GE(map_fd, 0);
123
124        void *ptr = NULL;
125        ptr = mmap(NULL, 4096, PROT_READ, MAP_SHARED, map_fd, 0);
126        ASSERT_TRUE(ptr != NULL);
127
128        ASSERT_EQ(0, memcmp(ptr, zeroes, 4096));
129
130        ASSERT_EQ(0, munmap(ptr, 4096));
131        ASSERT_EQ(0, close(map_fd));
132    }
133
134    free(zeroes);
135
136}
137
138TEST_F(Allocate, Large)
139{
140    for (unsigned int heapMask : m_allHeaps) {
141            SCOPED_TRACE(::testing::Message() << "heap " << heapMask);
142        ion_user_handle_t handle = 0;
143        ASSERT_EQ(-ENOMEM, ion_alloc(m_ionFd, 3UL*1024*1024*1024, 0, heapMask, 0, &handle));
144    }
145}
146