diff options
Diffstat (limited to 'third_party/libwebrtc/net/dcsctp/testing')
4 files changed, 185 insertions, 0 deletions
diff --git a/third_party/libwebrtc/net/dcsctp/testing/BUILD.gn b/third_party/libwebrtc/net/dcsctp/testing/BUILD.gn new file mode 100644 index 0000000000..7e005a1f0c --- /dev/null +++ b/third_party/libwebrtc/net/dcsctp/testing/BUILD.gn @@ -0,0 +1,33 @@ +# Copyright (c) 2021 The WebRTC project authors. All Rights Reserved. +# +# Use of this source code is governed by a BSD-style license +# that can be found in the LICENSE file in the root of the source +# tree. An additional intellectual property rights grant can be found +# in the file PATENTS. All contributing project authors may +# be found in the AUTHORS file in the root of the source tree. + +import("../../../webrtc.gni") + +rtc_source_set("testing_macros") { + testonly = true + sources = [ "testing_macros.h" ] +} + +rtc_library("data_generator") { + testonly = true + deps = [ + "../../../api:array_view", + "../../../rtc_base:checks", + "../common:internal_types", + "../packet:data", + "../public:types", + ] + sources = [ + "data_generator.cc", + "data_generator.h", + ] + absl_deps = [ + "//third_party/abseil-cpp/absl/strings", + "//third_party/abseil-cpp/absl/types:optional", + ] +} diff --git a/third_party/libwebrtc/net/dcsctp/testing/data_generator.cc b/third_party/libwebrtc/net/dcsctp/testing/data_generator.cc new file mode 100644 index 0000000000..417695c9d0 --- /dev/null +++ b/third_party/libwebrtc/net/dcsctp/testing/data_generator.cc @@ -0,0 +1,65 @@ +/* + * Copyright (c) 2021 The WebRTC project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ +#include "net/dcsctp/testing/data_generator.h" + +#include <cstdint> +#include <string> +#include <utility> +#include <vector> + +#include "absl/strings/string_view.h" +#include "net/dcsctp/packet/data.h" +#include "net/dcsctp/public/types.h" + +namespace dcsctp { +constexpr PPID kPpid = PPID(53); + +Data DataGenerator::Ordered(std::vector<uint8_t> payload, + absl::string_view flags, + const DataGeneratorOptions opts) { + Data::IsBeginning is_beginning(flags.find('B') != std::string::npos); + Data::IsEnd is_end(flags.find('E') != std::string::npos); + + if (is_beginning) { + fsn_ = FSN(0); + } else { + fsn_ = FSN(*fsn_ + 1); + } + MID mid = opts.mid.value_or(mid_); + Data ret = Data(opts.stream_id, SSN(static_cast<uint16_t>(*mid)), mid, fsn_, + opts.ppid, std::move(payload), is_beginning, is_end, + IsUnordered(false)); + + if (is_end) { + mid_ = MID(*mid + 1); + } + return ret; +} + +Data DataGenerator::Unordered(std::vector<uint8_t> payload, + absl::string_view flags, + const DataGeneratorOptions opts) { + Data::IsBeginning is_beginning(flags.find('B') != std::string::npos); + Data::IsEnd is_end(flags.find('E') != std::string::npos); + + if (is_beginning) { + fsn_ = FSN(0); + } else { + fsn_ = FSN(*fsn_ + 1); + } + MID mid = opts.mid.value_or(mid_); + Data ret = Data(opts.stream_id, SSN(0), mid, fsn_, kPpid, std::move(payload), + is_beginning, is_end, IsUnordered(true)); + if (is_end) { + mid_ = MID(*mid + 1); + } + return ret; +} +} // namespace dcsctp diff --git a/third_party/libwebrtc/net/dcsctp/testing/data_generator.h b/third_party/libwebrtc/net/dcsctp/testing/data_generator.h new file mode 100644 index 0000000000..52f98dd1cb --- /dev/null +++ b/third_party/libwebrtc/net/dcsctp/testing/data_generator.h @@ -0,0 +1,58 @@ +/* + * Copyright (c) 2021 The WebRTC project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ +#ifndef NET_DCSCTP_TESTING_DATA_GENERATOR_H_ +#define NET_DCSCTP_TESTING_DATA_GENERATOR_H_ + +#include <cstdint> +#include <vector> + +#include "absl/strings/string_view.h" +#include "absl/types/optional.h" +#include "api/array_view.h" +#include "net/dcsctp/common/internal_types.h" +#include "net/dcsctp/packet/data.h" + +namespace dcsctp { + +struct DataGeneratorOptions { + StreamID stream_id = StreamID(1); + absl::optional<MID> mid = absl::nullopt; + PPID ppid = PPID(53); +}; + +// Generates Data with correct sequence numbers, and used only in unit tests. +class DataGenerator { + public: + explicit DataGenerator(MID start_mid = MID(0)) : mid_(start_mid) {} + + // Generates ordered "data" with the provided `payload` and flags, which can + // contain "B" for setting the "is_beginning" flag, and/or "E" for setting the + // "is_end" flag. + Data Ordered(std::vector<uint8_t> payload, + absl::string_view flags = "", + DataGeneratorOptions opts = {}); + + // Generates unordered "data" with the provided `payload` and flags, which can + // contain "B" for setting the "is_beginning" flag, and/or "E" for setting the + // "is_end" flag. + Data Unordered(std::vector<uint8_t> payload, + absl::string_view flags = "", + DataGeneratorOptions opts = {}); + + // Resets the Message ID identifier - simulating a "stream reset". + void ResetStream() { mid_ = MID(0); } + + private: + MID mid_; + FSN fsn_ = FSN(0); +}; +} // namespace dcsctp + +#endif // NET_DCSCTP_TESTING_DATA_GENERATOR_H_ diff --git a/third_party/libwebrtc/net/dcsctp/testing/testing_macros.h b/third_party/libwebrtc/net/dcsctp/testing/testing_macros.h new file mode 100644 index 0000000000..5cbdfffdce --- /dev/null +++ b/third_party/libwebrtc/net/dcsctp/testing/testing_macros.h @@ -0,0 +1,29 @@ +/* + * Copyright (c) 2021 The WebRTC project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ +#ifndef NET_DCSCTP_TESTING_TESTING_MACROS_H_ +#define NET_DCSCTP_TESTING_TESTING_MACROS_H_ + +#include <utility> + +namespace dcsctp { + +#define DCSCTP_CONCAT_INNER_(x, y) x##y +#define DCSCTP_CONCAT_(x, y) DCSCTP_CONCAT_INNER_(x, y) + +// Similar to ASSERT_OK_AND_ASSIGN, this works with an absl::optional<> instead +// of an absl::StatusOr<>. +#define ASSERT_HAS_VALUE_AND_ASSIGN(lhs, rexpr) \ + auto DCSCTP_CONCAT_(tmp_opt_val__, __LINE__) = rexpr; \ + ASSERT_TRUE(DCSCTP_CONCAT_(tmp_opt_val__, __LINE__).has_value()); \ + lhs = *std::move(DCSCTP_CONCAT_(tmp_opt_val__, __LINE__)); + +} // namespace dcsctp + +#endif // NET_DCSCTP_TESTING_TESTING_MACROS_H_ |