Test: Fuzz test for the OptionsView class

src/standalones/s_bmqfuzz/package/s_bmqfuzz.mem

@@ -1,3 +1,4 @@
+s_bmqfuzz_bmqp_optionsview.fuzz
 s_bmqfuzz_bmqt_uri.fuzz
 s_bmqfuzz_bmqu_stringutil_match.fuzz
 s_bmqfuzz_eval.fuzz

src/standalones/s_bmqfuzz/s_bmqfuzz_bmqp_optionsview.fuzz.cpp

@@ -0,0 +1,96 @@
+// Copyright 2026 Bloomberg Finance L.P.
+// SPDX-License-Identifier: Apache-2.0
+//
+// 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 <fuzzer/FuzzedDataProvider.h>
+
+#include <bmqp_optionsview.h>
+#include <bmqp_protocol.h>
+#include <bmqu_blob.h>
+
+#include <bdlbb_blob.h>
+#include <bdlbb_blobutil.h>
+#include <bdlbb_pooledblobbufferfactory.h>
+#include <bslma_default.h>
+
+#include <cstddef>
+#include <cstdint>
+#include <vector>
+
+using namespace BloombergLP;
+
+namespace {
+
+const int k_MIN_BUF_SIZE = 1;
+const int k_MAX_BUF_SIZE = 512;
+
+}
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
+{
+    FuzzedDataProvider provider(data, size);
+
+    bslma::Allocator* alloc = bslma::Default::allocator();
+
+    const int      bufferSize = provider.ConsumeIntegralInRange(k_MIN_BUF_SIZE,
+                                                           k_MAX_BUF_SIZE);
+    const uint32_t sizeSelector = provider.ConsumeIntegral<uint32_t>();
+
+    bdlbb::PooledBlobBufferFactory factory(bufferSize, alloc);
+    bdlbb::Blob                    blob(&factory, alloc);
+
+    const std::vector<uint8_t> payload =
+        provider.ConsumeRemainingBytes<uint8_t>();
+    bdlbb::BlobUtil::append(&blob,
+                            reinterpret_cast<const char*>(payload.data()),
+                            static_cast<int>(payload.size()));
+
+    const bmqu::BlobPosition optionsAreaPos(0, 0);
+    const int                optionsAreaSize = static_cast<int>(
+        sizeSelector % (static_cast<uint32_t>(blob.length()) + 1));
+
+    bmqp::OptionsView view(alloc);
+    const int         rc = view.reset(&blob, optionsAreaPos, optionsAreaSize);
+    if (rc != 0) {
+        return 0;
+    }
+
+    for (bmqp::OptionsView::const_iterator it = view.begin(); it != view.end();
+         ++it) {
+        (void)*it;
+    }
+
+    const bool hasSubQueueInfos = view.find(
+                                      bmqp::OptionType::e_SUB_QUEUE_INFOS) !=
+                                  view.end();
+    const bool hasSubQueueIdsOld =
+        view.find(bmqp::OptionType::e_SUB_QUEUE_IDS_OLD) != view.end();
+
+    if (hasSubQueueInfos || hasSubQueueIdsOld) {
+        bmqp::Protocol::SubQueueInfosArray subQueueInfos(alloc);
+        view.loadSubQueueInfosOption(&subQueueInfos);
+    }
+
+    if (hasSubQueueIdsOld) {
+        bmqp::Protocol::SubQueueIdsArrayOld subQueueIdsOld(alloc);
+        view.loadSubQueueIdsOption(&subQueueIdsOld);
+    }
+
+    if (view.find(bmqp::OptionType::e_MSG_GROUP_ID) != view.end()) {
+        bmqp::Protocol::MsgGroupId msgGroupId(alloc);
+        view.loadMsgGroupIdOption(&msgGroupId);
+    }
+
+    return 0;
+}