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| author | Anthony Towns <aj@erisian.com.au> | 2017-09-11 13:40:31 +1000 |
|---|---|---|
| committer | Anthony Towns <aj@erisian.com.au> | 2017-09-11 13:40:31 +1000 |
| commit | d601f16621e55c2f174afea2c5d7d1c9a0c0b969 (patch) | |
| tree | b75a7cd430b2010518414f6669dbc04dccea97b0 /src/test/script_tests.cpp | |
| parent | ee50c9e48786dea0d9df2e45805c25565c100fe3 (diff) | |
Fix invalid memory access in CScript::operator+=
Diffstat (limited to 'src/test/script_tests.cpp')
| -rw-r--r-- | src/test/script_tests.cpp | 17 |
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() |