1 /*
2 * Copyright (C) 2017 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 "io/StringStream.h"
18
19 #include "io/Util.h"
20
21 #include "test/Test.h"
22
23 using ::android::StringPiece;
24 using ::testing::Eq;
25 using ::testing::NotNull;
26 using ::testing::StrEq;
27
28 namespace aapt {
29 namespace io {
30
TEST(StringInputStreamTest,OneCallToNextShouldReturnEntireBuffer)31 TEST(StringInputStreamTest, OneCallToNextShouldReturnEntireBuffer) {
32 constexpr const size_t kCount = 1000;
33 std::string input;
34 input.resize(kCount, 0x7f);
35 input[0] = 0x00;
36 input[kCount - 1] = 0xff;
37 StringInputStream in(input);
38
39 const char* buffer;
40 size_t size;
41 ASSERT_TRUE(in.Next(reinterpret_cast<const void**>(&buffer), &size));
42 ASSERT_THAT(size, Eq(kCount));
43 ASSERT_THAT(buffer, NotNull());
44
45 EXPECT_THAT(buffer[0], Eq(0x00));
46 EXPECT_THAT(buffer[kCount - 1], Eq('\xff'));
47
48 EXPECT_FALSE(in.Next(reinterpret_cast<const void**>(&buffer), &size));
49 EXPECT_FALSE(in.HadError());
50 }
51
TEST(StringInputStreamTest,BackUp)52 TEST(StringInputStreamTest, BackUp) {
53 std::string input = "hello this is a string";
54 StringInputStream in(input);
55
56 const char* buffer;
57 size_t size;
58 ASSERT_TRUE(in.Next(reinterpret_cast<const void**>(&buffer), &size));
59 ASSERT_THAT(size, Eq(input.size()));
60 ASSERT_THAT(buffer, NotNull());
61 EXPECT_THAT(in.ByteCount(), Eq(input.size()));
62
63 in.BackUp(6u);
64 EXPECT_THAT(in.ByteCount(), Eq(input.size() - 6u));
65
66 ASSERT_TRUE(in.Next(reinterpret_cast<const void**>(&buffer), &size));
67 ASSERT_THAT(size, Eq(6u));
68 ASSERT_THAT(buffer, NotNull());
69 ASSERT_THAT(buffer, StrEq("string"));
70 EXPECT_THAT(in.ByteCount(), Eq(input.size()));
71 }
72
TEST(StringOutputStreamTest,NextAndBackUp)73 TEST(StringOutputStreamTest, NextAndBackUp) {
74 std::string input = "hello this is a string";
75 std::string output;
76
77 StringInputStream in(input);
78 StringOutputStream out(&output, 10u);
79 ASSERT_TRUE(Copy(&out, &in));
80 out.Flush();
81 EXPECT_THAT(output, StrEq(input));
82 }
83
84 } // namespace io
85 } // namespace aapt
86