blob: cd6d15e7555ad56dbf74e1902d27e91e2f92b5c0 [file] [log] [blame]
// 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 "spdy/core/spdy_prefixed_buffer_reader.h"
#include <string>
#include "absl/strings/string_view.h"
#include "common/platform/api/quiche_test.h"
namespace spdy {
namespace test {
using testing::ElementsAreArray;
class SpdyPrefixedBufferReaderTest : public QuicheTest {
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(absl::string_view("foobar"), absl::string_view(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(absl::string_view("foobar"), absl::string_view(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(absl::string_view("foobar"), absl::string_view(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(absl::string_view("fhi"), absl::string_view(piece));
EXPECT_TRUE(piece.IsPinned());
EXPECT_EQ(3u, reader.Available());
EXPECT_TRUE(reader.ReadN(2, &piece));
EXPECT_EQ(absl::string_view("jk"), absl::string_view(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 spdy