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/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "io/StringStream.h"
#include "io/Util.h"
#include "test/Test.h"
using ::android::StringPiece;
using ::testing::Eq;
using ::testing::NotNull;
using ::testing::StrEq;
namespace aapt {
namespace io {
TEST(StringInputStreamTest, OneCallToNextShouldReturnEntireBuffer) {
constexpr const size_t kCount = 1000;
std::string input;
input.resize(kCount, 0x7f);
input[0] = 0x00;
input[kCount - 1] = 0xff;
StringInputStream in(input);
const char* buffer;
size_t size;
ASSERT_TRUE(in.Next(reinterpret_cast<const void**>(&buffer), &size));
ASSERT_THAT(size, Eq(kCount));
ASSERT_THAT(buffer, NotNull());
EXPECT_THAT(buffer[0], Eq(0x00));
EXPECT_THAT(buffer[kCount - 1], Eq('\xff'));
EXPECT_FALSE(in.Next(reinterpret_cast<const void**>(&buffer), &size));
EXPECT_FALSE(in.HadError());
}
TEST(StringInputStreamTest, BackUp) {
std::string input = "hello this is a string";
StringInputStream in(input);
const char* buffer;
size_t size;
ASSERT_TRUE(in.Next(reinterpret_cast<const void**>(&buffer), &size));
ASSERT_THAT(size, Eq(input.size()));
ASSERT_THAT(buffer, NotNull());
EXPECT_THAT(in.ByteCount(), Eq(input.size()));
in.BackUp(6u);
EXPECT_THAT(in.ByteCount(), Eq(input.size() - 6u));
ASSERT_TRUE(in.Next(reinterpret_cast<const void**>(&buffer), &size));
ASSERT_THAT(size, Eq(6u));
ASSERT_THAT(buffer, NotNull());
ASSERT_THAT(buffer, StrEq("string"));
EXPECT_THAT(in.ByteCount(), Eq(input.size()));
}
TEST(StringOutputStreamTest, NextAndBackUp) {
std::string input = "hello this is a string";
std::string output;
StringInputStream in(input);
StringOutputStream out(&output, 10u);
ASSERT_TRUE(Copy(&out, &in));
out.Flush();
EXPECT_THAT(output, StrEq(input));
}
} // namespace io
} // namespace aapt
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