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
24 class Allocate : public IonAllHeapsTest {
25 };
26
TEST_F(Allocate,Allocate)27 TEST_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
TEST_F(Allocate,AllocateCached)42 TEST_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
TEST_F(Allocate,AllocateCachedNeedsSync)57 TEST_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
TEST_F(Allocate,RepeatedAllocate)72 TEST_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
TEST_F(Allocate,Zeroed)91 TEST_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
TEST_F(Allocate,Large)138 TEST_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