1 //
2 // Copyright (C) 2015 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 "update_engine/payload_generator/payload_file.h"
18
19 #include <string>
20 #include <utility>
21 #include <vector>
22
23 #include <gtest/gtest.h>
24
25 #include "update_engine/common/test_utils.h"
26 #include "update_engine/payload_generator/extent_ranges.h"
27
28 using std::string;
29 using std::vector;
30
31 namespace chromeos_update_engine {
32
33 class PayloadFileTest : public ::testing::Test {
34 protected:
35 PayloadFile payload_;
36 };
37
TEST_F(PayloadFileTest,ReorderBlobsTest)38 TEST_F(PayloadFileTest, ReorderBlobsTest) {
39 ScopedTempFile orig_blobs("ReorderBlobsTest.orig.XXXXXX");
40
41 // The operations have three blob and one gap (the whitespace):
42 // Rootfs operation 1: [8, 3] bcd
43 // Rootfs operation 2: [7, 1] a
44 // Kernel operation 1: [0, 6] kernel
45 string orig_data = "kernel abcd";
46 EXPECT_TRUE(test_utils::WriteFileString(orig_blobs.path(), orig_data));
47
48 ScopedTempFile new_blobs("ReorderBlobsTest.new.XXXXXX");
49
50 payload_.part_vec_.resize(2);
51
52 vector<AnnotatedOperation> aops;
53 AnnotatedOperation aop;
54 aop.op.set_data_offset(8);
55 aop.op.set_data_length(3);
56 aops.push_back(aop);
57
58 aop.op.set_data_offset(7);
59 aop.op.set_data_length(1);
60 aops.push_back(aop);
61 payload_.part_vec_[0].aops = aops;
62
63 aop.op.set_data_offset(0);
64 aop.op.set_data_length(6);
65 payload_.part_vec_[1].aops = {aop};
66
67 EXPECT_TRUE(payload_.ReorderDataBlobs(orig_blobs.path(), new_blobs.path()));
68
69 const vector<AnnotatedOperation>& part0_aops = payload_.part_vec_[0].aops;
70 const vector<AnnotatedOperation>& part1_aops = payload_.part_vec_[1].aops;
71 string new_data;
72 EXPECT_TRUE(utils::ReadFile(new_blobs.path(), &new_data));
73 // Kernel blobs should appear at the end.
74 EXPECT_EQ("bcdakernel", new_data);
75
76 EXPECT_EQ(2U, part0_aops.size());
77 EXPECT_EQ(0U, part0_aops[0].op.data_offset());
78 EXPECT_EQ(3U, part0_aops[0].op.data_length());
79 EXPECT_EQ(3U, part0_aops[1].op.data_offset());
80 EXPECT_EQ(1U, part0_aops[1].op.data_length());
81
82 EXPECT_EQ(1U, part1_aops.size());
83 EXPECT_EQ(4U, part1_aops[0].op.data_offset());
84 EXPECT_EQ(6U, part1_aops[0].op.data_length());
85 }
86
87 } // namespace chromeos_update_engine
88