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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "net/spdy/spdy_prefixed_buffer_reader.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace net {
namespace test {
using base::StringPiece;
using testing::ElementsAreArray;
class SpdyPrefixedBufferReaderTest : public ::testing::Test {
protected:
SpdyPrefixedBufferReader Build(const std::string& prefix,
const std::string& suffix) {
prefix_ = prefix;
suffix_ = suffix;
return SpdyPrefixedBufferReader(prefix_.data(), prefix_.length(),
suffix_.data(), suffix_.length());
}
std::string prefix_, suffix_;
};
TEST_F(SpdyPrefixedBufferReaderTest, ReadRawFromPrefix) {
SpdyPrefixedBufferReader reader = Build("foobar", "");
EXPECT_EQ(6u, reader.Available());
char buffer[] = "123456";
EXPECT_FALSE(reader.ReadN(10, buffer)); // Not enough buffer.
EXPECT_TRUE(reader.ReadN(6, buffer));
EXPECT_THAT(buffer, ElementsAreArray("foobar"));
EXPECT_EQ(0u, reader.Available());
}
TEST_F(SpdyPrefixedBufferReaderTest, ReadPieceFromPrefix) {
SpdyPrefixedBufferReader reader = Build("foobar", "");
EXPECT_EQ(6u, reader.Available());
SpdyPinnableBufferPiece piece;
EXPECT_FALSE(reader.ReadN(10, &piece)); // Not enough buffer.
EXPECT_TRUE(reader.ReadN(6, &piece));
EXPECT_FALSE(piece.IsPinned());
EXPECT_EQ(StringPiece("foobar"), piece);
EXPECT_EQ(0u, reader.Available());
}
TEST_F(SpdyPrefixedBufferReaderTest, ReadRawFromSuffix) {
SpdyPrefixedBufferReader reader = Build("", "foobar");
EXPECT_EQ(6u, reader.Available());
char buffer[] = "123456";
EXPECT_FALSE(reader.ReadN(10, buffer)); // Not enough buffer.
EXPECT_TRUE(reader.ReadN(6, buffer));
EXPECT_THAT(buffer, ElementsAreArray("foobar"));
EXPECT_EQ(0u, reader.Available());
}
TEST_F(SpdyPrefixedBufferReaderTest, ReadPieceFromSuffix) {
SpdyPrefixedBufferReader reader = Build("", "foobar");
EXPECT_EQ(6u, reader.Available());
SpdyPinnableBufferPiece piece;
EXPECT_FALSE(reader.ReadN(10, &piece)); // Not enough buffer.
EXPECT_TRUE(reader.ReadN(6, &piece));
EXPECT_FALSE(piece.IsPinned());
EXPECT_EQ(StringPiece("foobar"), piece);
EXPECT_EQ(0u, reader.Available());
}
TEST_F(SpdyPrefixedBufferReaderTest, ReadRawSpanning) {
SpdyPrefixedBufferReader reader = Build("foob", "ar");
EXPECT_EQ(6u, reader.Available());
char buffer[] = "123456";
EXPECT_FALSE(reader.ReadN(10, buffer)); // Not enough buffer.
EXPECT_TRUE(reader.ReadN(6, buffer));
EXPECT_THAT(buffer, ElementsAreArray("foobar"));
EXPECT_EQ(0u, reader.Available());
}
TEST_F(SpdyPrefixedBufferReaderTest, ReadPieceSpanning) {
SpdyPrefixedBufferReader reader = Build("foob", "ar");
EXPECT_EQ(6u, reader.Available());
SpdyPinnableBufferPiece piece;
EXPECT_FALSE(reader.ReadN(10, &piece)); // Not enough buffer.
EXPECT_TRUE(reader.ReadN(6, &piece));
EXPECT_TRUE(piece.IsPinned());
EXPECT_EQ(StringPiece("foobar"), piece);
EXPECT_EQ(0u, reader.Available());
}
TEST_F(SpdyPrefixedBufferReaderTest, ReadMixed) {
SpdyPrefixedBufferReader reader = Build("abcdef", "hijkl");
EXPECT_EQ(11u, reader.Available());
char buffer[] = "1234";
SpdyPinnableBufferPiece piece;
EXPECT_TRUE(reader.ReadN(3, buffer));
EXPECT_THAT(buffer, ElementsAreArray("abc4"));
EXPECT_EQ(8u, reader.Available());
EXPECT_TRUE(reader.ReadN(2, buffer));
EXPECT_THAT(buffer, ElementsAreArray("dec4"));
EXPECT_EQ(6u, reader.Available());
EXPECT_TRUE(reader.ReadN(3, &piece));
EXPECT_EQ(StringPiece("fhi"), piece);
EXPECT_TRUE(piece.IsPinned());
EXPECT_EQ(3u, reader.Available());
EXPECT_TRUE(reader.ReadN(2, &piece));
EXPECT_EQ(StringPiece("jk"), piece);
EXPECT_FALSE(piece.IsPinned());
EXPECT_EQ(1u, reader.Available());
EXPECT_TRUE(reader.ReadN(1, buffer));
EXPECT_THAT(buffer, ElementsAreArray("lec4"));
EXPECT_EQ(0u, reader.Available());
}
} // namespace test
} // namespace net
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