1 /*
2 * Copyright (C) 2018 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 <gtest/gtest.h>
18 #include <liblp/liblp.h>
19
20 #include "utility.h"
21
22 using namespace android;
23 using namespace android::fs_mgr;
24
TEST(liblp,SlotNumberForSlotSuffix)25 TEST(liblp, SlotNumberForSlotSuffix) {
26 EXPECT_EQ(SlotNumberForSlotSuffix(""), 0);
27 EXPECT_EQ(SlotNumberForSlotSuffix("a"), 0);
28 EXPECT_EQ(SlotNumberForSlotSuffix("_a"), 0);
29 EXPECT_EQ(SlotNumberForSlotSuffix("b"), 1);
30 EXPECT_EQ(SlotNumberForSlotSuffix("_b"), 1);
31 EXPECT_EQ(SlotNumberForSlotSuffix("_c"), 0);
32 EXPECT_EQ(SlotNumberForSlotSuffix("_d"), 0);
33 }
34
TEST(liblp,SlotSuffixForSlotNumber)35 TEST(liblp, SlotSuffixForSlotNumber) {
36 EXPECT_EQ(SlotSuffixForSlotNumber(0), "_a");
37 EXPECT_EQ(SlotSuffixForSlotNumber(1), "_b");
38 }
39
TEST(liblp,GetMetadataOffset)40 TEST(liblp, GetMetadataOffset) {
41 LpMetadataGeometry geometry = {LP_METADATA_GEOMETRY_MAGIC,
42 sizeof(geometry),
43 {0},
44 16384,
45 4,
46 4096};
47 static const uint64_t start = LP_PARTITION_RESERVED_BYTES;
48 EXPECT_EQ(GetPrimaryMetadataOffset(geometry, 0), start + 8192);
49 EXPECT_EQ(GetPrimaryMetadataOffset(geometry, 1), start + 8192 + 16384);
50 EXPECT_EQ(GetPrimaryMetadataOffset(geometry, 2), start + 8192 + 16384 * 2);
51 EXPECT_EQ(GetPrimaryMetadataOffset(geometry, 3), start + 8192 + 16384 * 3);
52
53 static const uint64_t backup_start = start + 8192 + 16384 * 4;
54 EXPECT_EQ(GetBackupMetadataOffset(geometry, 3), backup_start + 16384 * 3);
55 EXPECT_EQ(GetBackupMetadataOffset(geometry, 2), backup_start + 16384 * 2);
56 EXPECT_EQ(GetBackupMetadataOffset(geometry, 1), backup_start + 16384 * 1);
57 EXPECT_EQ(GetBackupMetadataOffset(geometry, 0), backup_start + 16384 * 0);
58 }
59
TEST(liblp,AlignTo)60 TEST(liblp, AlignTo) {
61 EXPECT_EQ(AlignTo(37, 0), 37);
62 EXPECT_EQ(AlignTo(1024, 1024), 1024);
63 EXPECT_EQ(AlignTo(555, 1024), 1024);
64 EXPECT_EQ(AlignTo(555, 1000), 1000);
65 EXPECT_EQ(AlignTo(0, 1024), 0);
66 EXPECT_EQ(AlignTo(54, 32, 30), 62);
67 EXPECT_EQ(AlignTo(32, 32, 30), 62);
68 EXPECT_EQ(AlignTo(17, 32, 30), 30);
69 }
70
TEST(liblp,GetPartitionSlotSuffix)71 TEST(liblp, GetPartitionSlotSuffix) {
72 EXPECT_EQ(GetPartitionSlotSuffix("system"), "");
73 EXPECT_EQ(GetPartitionSlotSuffix("_"), "");
74 EXPECT_EQ(GetPartitionSlotSuffix("_a"), "");
75 EXPECT_EQ(GetPartitionSlotSuffix("system_a"), "_a");
76 EXPECT_EQ(GetPartitionSlotSuffix("system_b"), "_b");
77 }
78