1 files changed, 61 insertions, 0 deletions
diff --git a/third_party/libwebrtc/net/dcsctp/packet/error_cause/protocol_violation_cause_test.cc b/third_party/libwebrtc/net/dcsctp/packet/error_cause/protocol_violation_cause_test.cc
new file mode 100644
index 0000000000..902d867091
--- /dev/null
+++ b/third_party/libwebrtc/net/dcsctp/packet/error_cause/protocol_violation_cause_test.cc
@@ -0,0 +1,61 @@
+/*
+ *  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/packet/error_cause/protocol_violation_cause.h"
+
+#include <stdint.h>
+
+#include <type_traits>
+#include <vector>
+
+#include "api/array_view.h"
+#include "net/dcsctp/packet/error_cause/error_cause.h"
+#include "net/dcsctp/packet/tlv_trait.h"
+#include "net/dcsctp/testing/testing_macros.h"
+#include "rtc_base/gunit.h"
+#include "test/gmock.h"
+
+namespace dcsctp {
+namespace {
+using ::testing::SizeIs;
+
+TEST(ProtocolViolationCauseTest, EmptyReason) {
+  Parameters causes =
+      Parameters::Builder().Add(ProtocolViolationCause("")).Build();
+
+  ASSERT_HAS_VALUE_AND_ASSIGN(Parameters deserialized,
+                              Parameters::Parse(causes.data()));
+  ASSERT_THAT(deserialized.descriptors(), SizeIs(1));
+  EXPECT_EQ(deserialized.descriptors()[0].type, ProtocolViolationCause::kType);
+
+  ASSERT_HAS_VALUE_AND_ASSIGN(
+      ProtocolViolationCause cause,
+      ProtocolViolationCause::Parse(deserialized.descriptors()[0].data));
+
+  EXPECT_EQ(cause.additional_information(), "");
+}
+
+TEST(ProtocolViolationCauseTest, SetReason) {
+  Parameters causes = Parameters::Builder()
+                          .Add(ProtocolViolationCause("Reason goes here"))
+                          .Build();
+
+  ASSERT_HAS_VALUE_AND_ASSIGN(Parameters deserialized,
+                              Parameters::Parse(causes.data()));
+  ASSERT_THAT(deserialized.descriptors(), SizeIs(1));
+  EXPECT_EQ(deserialized.descriptors()[0].type, ProtocolViolationCause::kType);
+
+  ASSERT_HAS_VALUE_AND_ASSIGN(
+      ProtocolViolationCause cause,
+      ProtocolViolationCause::Parse(deserialized.descriptors()[0].data));
+
+  EXPECT_EQ(cause.additional_information(), "Reason goes here");
+}
+}  // namespace
+}  // namespace dcsctp