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-rw-r--r--src/test/script_tests.cpp17
1 files changed, 17 insertions, 0 deletions
diff --git a/src/test/script_tests.cpp b/src/test/script_tests.cpp
index 17374edcc4..011a5db795 100644
--- a/src/test/script_tests.cpp
+++ b/src/test/script_tests.cpp
@@ -1451,4 +1451,21 @@ BOOST_AUTO_TEST_CASE(script_HasValidOps)
BOOST_CHECK(!script.HasValidOps());
}
+BOOST_AUTO_TEST_CASE(script_can_append_self)
+{
+ CScript s, d;
+
+ s = ScriptFromHex("00");
+ s += s;
+ d = ScriptFromHex("0000");
+ BOOST_CHECK(s == d);
+
+ // check doubling a script that's large enough to require reallocation
+ static const char hex[] = "04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38c4f35504e51ec112de5c384df7ba0b8d578a4c702b6bf11d5f";
+ s = CScript() << ParseHex(hex) << OP_CHECKSIG;
+ d = CScript() << ParseHex(hex) << OP_CHECKSIG << ParseHex(hex) << OP_CHECKSIG;
+ s += s;
+ BOOST_CHECK(s == d);
+}
+
BOOST_AUTO_TEST_SUITE_END()