From e75ecb91c730115290e1201371492c2cd334e9b4 Mon Sep 17 00:00:00 2001
From: practicalswift <practicalswift@users.noreply.github.com>
Date: Wed, 9 Oct 2019 13:14:52 +0000
Subject: tests: Add fuzzing harness for various CTxOut related functions

---
 src/test/fuzz/tx_out.cpp | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 src/test/fuzz/tx_out.cpp

(limited to 'src/test')

diff --git a/src/test/fuzz/tx_out.cpp b/src/test/fuzz/tx_out.cpp
new file mode 100644
index 0000000000..aa1338d5ba
--- /dev/null
+++ b/src/test/fuzz/tx_out.cpp
@@ -0,0 +1,35 @@
+// Copyright (c) 2019 The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#include <consensus/validation.h>
+#include <core_memusage.h>
+#include <policy/policy.h>
+#include <primitives/transaction.h>
+#include <streams.h>
+#include <test/fuzz/fuzz.h>
+#include <version.h>
+
+void test_one_input(const std::vector<uint8_t>& buffer)
+{
+    CDataStream ds(buffer, SER_NETWORK, INIT_PROTO_VERSION);
+    CTxOut tx_out;
+    try {
+        int version;
+        ds >> version;
+        ds.SetVersion(version);
+        ds >> tx_out;
+    } catch (const std::ios_base::failure&) {
+        return;
+    }
+
+    const CFeeRate dust_relay_fee{DUST_RELAY_TX_FEE};
+    (void)GetDustThreshold(tx_out, dust_relay_fee);
+    (void)IsDust(tx_out, dust_relay_fee);
+    (void)RecursiveDynamicUsage(tx_out);
+
+    (void)tx_out.ToString();
+    (void)tx_out.IsNull();
+    tx_out.SetNull();
+    assert(tx_out.IsNull());
+}
-- 
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