1 files changed, 60 insertions, 0 deletions
diff --git a/test/core/transport/chaotic_good/transport_test.cc b/test/core/transport/chaotic_good/transport_test.cc
new file mode 100644
index 0000000000..b43098fa7c
--- /dev/null
+++ b/test/core/transport/chaotic_good/transport_test.cc
@@ -0,0 +1,60 @@
+// Copyright 2023 gRPC authors.
+//
+// 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 "test/core/transport/chaotic_good/transport_test.h"
+
+namespace grpc_core {
+namespace chaotic_good {
+namespace testing {
+
+grpc_event_engine::experimental::Slice SerializedFrameHeader(
+    FrameType type, uint8_t flags, uint32_t stream_id, uint32_t header_length,
+    uint32_t message_length, uint32_t message_padding,
+    uint32_t trailer_length) {
+  uint8_t buffer[24] = {static_cast<uint8_t>(type),
+                        flags,
+                        0,
+                        0,
+                        static_cast<uint8_t>(stream_id),
+                        static_cast<uint8_t>(stream_id >> 8),
+                        static_cast<uint8_t>(stream_id >> 16),
+                        static_cast<uint8_t>(stream_id >> 24),
+                        static_cast<uint8_t>(header_length),
+                        static_cast<uint8_t>(header_length >> 8),
+                        static_cast<uint8_t>(header_length >> 16),
+                        static_cast<uint8_t>(header_length >> 24),
+                        static_cast<uint8_t>(message_length),
+                        static_cast<uint8_t>(message_length >> 8),
+                        static_cast<uint8_t>(message_length >> 16),
+                        static_cast<uint8_t>(message_length >> 24),
+                        static_cast<uint8_t>(message_padding),
+                        static_cast<uint8_t>(message_padding >> 8),
+                        static_cast<uint8_t>(message_padding >> 16),
+                        static_cast<uint8_t>(message_padding >> 24),
+                        static_cast<uint8_t>(trailer_length),
+                        static_cast<uint8_t>(trailer_length >> 8),
+                        static_cast<uint8_t>(trailer_length >> 16),
+                        static_cast<uint8_t>(trailer_length >> 24)};
+  return grpc_event_engine::experimental::Slice::FromCopiedBuffer(buffer, 24);
+}
+
+grpc_event_engine::experimental::Slice Zeros(uint32_t length) {
+  std::string zeros(length, 0);
+  return grpc_event_engine::experimental::Slice::FromCopiedBuffer(zeros.data(),
+                                                                  length);
+}
+
+}  // namespace testing
+}  // namespace chaotic_good
+}  // namespace grpc_core