Repo created

TMessagesProj/jni/voip/webrtc/net/dcsctp/testing/data_generator.cc

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+/*
+ *  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

TMessagesProj/jni/voip/webrtc/net/dcsctp/testing/data_generator.h

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+/*
+ *  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_

TMessagesProj/jni/voip/webrtc/net/dcsctp/testing/testing_macros.h

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+/*
+ *  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_