test: Add tests for truncated scripts

Author: MarcoFalke

src/test/script_tests.cpp

@@ -1030,6 +1030,28 @@ BOOST_AUTO_TEST_CASE(script_PushData)
     BOOST_CHECK(EvalScript(pushdata4Stack, CScript(pushdata4, pushdata4 + sizeof(pushdata4)), SCRIPT_VERIFY_P2SH, BaseSignatureChecker(), SigVersion::BASE, &err));
     BOOST_CHECK(pushdata4Stack == directStack);
     BOOST_CHECK_MESSAGE(err == SCRIPT_ERR_OK, ScriptErrorString(err));
+
+    const std::vector<unsigned char> pushdata1_trunc{OP_PUSHDATA1, 1};
+    const std::vector<unsigned char> pushdata2_trunc{OP_PUSHDATA2, 1, 0};
+    const std::vector<unsigned char> pushdata4_trunc{OP_PUSHDATA4, 1, 0, 0, 0};
+
+    std::vector<std::vector<unsigned char>> stack_ignore;
+    BOOST_CHECK(!EvalScript(stack_ignore, CScript(pushdata1_trunc.begin(), pushdata1_trunc.end()), SCRIPT_VERIFY_P2SH, BaseSignatureChecker(), SigVersion::BASE, &err));
+    BOOST_CHECK_EQUAL(err, SCRIPT_ERR_BAD_OPCODE);
+    BOOST_CHECK(!EvalScript(stack_ignore, CScript(pushdata2_trunc.begin(), pushdata2_trunc.end()), SCRIPT_VERIFY_P2SH, BaseSignatureChecker(), SigVersion::BASE, &err));
+    BOOST_CHECK_EQUAL(err, SCRIPT_ERR_BAD_OPCODE);
+    BOOST_CHECK(!EvalScript(stack_ignore, CScript(pushdata4_trunc.begin(), pushdata4_trunc.end()), SCRIPT_VERIFY_P2SH, BaseSignatureChecker(), SigVersion::BASE, &err));
+    BOOST_CHECK_EQUAL(err, SCRIPT_ERR_BAD_OPCODE);
+}
+
+BOOST_AUTO_TEST_CASE(script_cltv_truncated)
+{
+    const auto script_cltv_trunc = CScript() << OP_CHECKLOCKTIMEVERIFY;
+
+    std::vector<std::vector<unsigned char>> stack_ignore;
+    ScriptError err;
+    BOOST_CHECK(!EvalScript(stack_ignore, script_cltv_trunc, SCRIPT_VERIFY_CHECKLOCKTIMEVERIFY, BaseSignatureChecker(), SigVersion::BASE, &err));
+    BOOST_CHECK_EQUAL(err, SCRIPT_ERR_INVALID_STACK_OPERATION);
 }
 
 static CScript