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 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 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 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
