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Differential D3968 Diff 11050 src/test/script_tests.cpp

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src/test/script_tests.cpp

Show First 20 Lines • Show All 2,874 Lines • ▼ Show 20 LinesBOOST_AUTO_TEST_CASE(script_FindAndDelete) {
CScript s; CScript s;
CScript d; CScript d;
CScript expect; CScript expect;
s = CScript() << OP_1 << OP_2; s = CScript() << OP_1 << OP_2;
// delete nothing should be a no-op // delete nothing should be a no-op
d = CScript(); d = CScript();
expect = s; expect = s;
BOOST_CHECK_EQUAL(s.FindAndDelete(d), 0); BOOST_CHECK_EQUAL(FindAndDelete(s, d), 0);
BOOST_CHECK(s == expect); BOOST_CHECK(s == expect);
s = CScript() << OP_1 << OP_2 << OP_3; s = CScript() << OP_1 << OP_2 << OP_3;
d = CScript() << OP_2; d = CScript() << OP_2;
expect = CScript() << OP_1 << OP_3; expect = CScript() << OP_1 << OP_3;
BOOST_CHECK_EQUAL(s.FindAndDelete(d), 1); BOOST_CHECK_EQUAL(FindAndDelete(s, d), 1);
BOOST_CHECK(s == expect); BOOST_CHECK(s == expect);
s = CScript() << OP_3 << OP_1 << OP_3 << OP_3 << OP_4 << OP_3; s = CScript() << OP_3 << OP_1 << OP_3 << OP_3 << OP_4 << OP_3;
d = CScript() << OP_3; d = CScript() << OP_3;
expect = CScript() << OP_1 << OP_4; expect = CScript() << OP_1 << OP_4;
BOOST_CHECK_EQUAL(s.FindAndDelete(d), 4); BOOST_CHECK_EQUAL(FindAndDelete(s, d), 4);
BOOST_CHECK(s == expect); BOOST_CHECK(s == expect);
// PUSH 0x02ff03 onto stack // PUSH 0x02ff03 onto stack
s = ScriptFromHex("0302ff03"); s = ScriptFromHex("0302ff03");
d = ScriptFromHex("0302ff03"); d = ScriptFromHex("0302ff03");
expect = CScript(); expect = CScript();
BOOST_CHECK_EQUAL(s.FindAndDelete(d), 1); BOOST_CHECK_EQUAL(FindAndDelete(s, d), 1);
BOOST_CHECK(s == expect); BOOST_CHECK(s == expect);
// PUSH 0x2ff03 PUSH 0x2ff03 // PUSH 0x2ff03 PUSH 0x2ff03
s = ScriptFromHex("0302ff030302ff03"); s = ScriptFromHex("0302ff030302ff03");
d = ScriptFromHex("0302ff03"); d = ScriptFromHex("0302ff03");
expect = CScript(); expect = CScript();
BOOST_CHECK_EQUAL(s.FindAndDelete(d), 2); BOOST_CHECK_EQUAL(FindAndDelete(s, d), 2);
BOOST_CHECK(s == expect); BOOST_CHECK(s == expect);
s = ScriptFromHex("0302ff030302ff03"); s = ScriptFromHex("0302ff030302ff03");
d = ScriptFromHex("02"); d = ScriptFromHex("02");
expect = s; // FindAndDelete matches entire opcodes expect = s; // FindAndDelete matches entire opcodes
BOOST_CHECK_EQUAL(s.FindAndDelete(d), 0); BOOST_CHECK_EQUAL(FindAndDelete(s, d), 0);
BOOST_CHECK(s == expect); BOOST_CHECK(s == expect);
s = ScriptFromHex("0302ff030302ff03"); s = ScriptFromHex("0302ff030302ff03");
d = ScriptFromHex("ff"); d = ScriptFromHex("ff");
expect = s; expect = s;
BOOST_CHECK_EQUAL(s.FindAndDelete(d), 0); BOOST_CHECK_EQUAL(FindAndDelete(s, d), 0);
BOOST_CHECK(s == expect); BOOST_CHECK(s == expect);
// This is an odd edge case: strip of the push-three-bytes prefix, leaving // This is an odd edge case: strip of the push-three-bytes prefix, leaving
// 02ff03 which is push-two-bytes: // 02ff03 which is push-two-bytes:
s = ScriptFromHex("0302ff030302ff03"); s = ScriptFromHex("0302ff030302ff03");
d = ScriptFromHex("03"); d = ScriptFromHex("03");
expect = CScript() << ParseHex("ff03") << ParseHex("ff03"); expect = CScript() << ParseHex("ff03") << ParseHex("ff03");
BOOST_CHECK_EQUAL(s.FindAndDelete(d), 2); BOOST_CHECK_EQUAL(FindAndDelete(s, d), 2);
BOOST_CHECK(s == expect); BOOST_CHECK(s == expect);
// Byte sequence that spans multiple opcodes: // Byte sequence that spans multiple opcodes:
// PUSH(0xfeed) OP_1 OP_VERIFY // PUSH(0xfeed) OP_1 OP_VERIFY
s = ScriptFromHex("02feed5169"); s = ScriptFromHex("02feed5169");
d = ScriptFromHex("feed51"); d = ScriptFromHex("feed51");
expect = s; expect = s;
// doesn't match 'inside' opcodes // doesn't match 'inside' opcodes
BOOST_CHECK_EQUAL(s.FindAndDelete(d), 0); BOOST_CHECK_EQUAL(FindAndDelete(s, d), 0);
BOOST_CHECK(s == expect); BOOST_CHECK(s == expect);
// PUSH(0xfeed) OP_1 OP_VERIFY // PUSH(0xfeed) OP_1 OP_VERIFY
s = ScriptFromHex("02feed5169"); s = ScriptFromHex("02feed5169");
d = ScriptFromHex("02feed51"); d = ScriptFromHex("02feed51");
expect = ScriptFromHex("69"); expect = ScriptFromHex("69");
BOOST_CHECK_EQUAL(s.FindAndDelete(d), 1); BOOST_CHECK_EQUAL(FindAndDelete(s, d), 1);
BOOST_CHECK(s == expect); BOOST_CHECK(s == expect);
s = ScriptFromHex("516902feed5169"); s = ScriptFromHex("516902feed5169");
d = ScriptFromHex("feed51"); d = ScriptFromHex("feed51");
expect = s; expect = s;
BOOST_CHECK_EQUAL(s.FindAndDelete(d), 0); BOOST_CHECK_EQUAL(FindAndDelete(s, d), 0);
BOOST_CHECK(s == expect); BOOST_CHECK(s == expect);
s = ScriptFromHex("516902feed5169"); s = ScriptFromHex("516902feed5169");
d = ScriptFromHex("02feed51"); d = ScriptFromHex("02feed51");
expect = ScriptFromHex("516969"); expect = ScriptFromHex("516969");
BOOST_CHECK_EQUAL(s.FindAndDelete(d), 1); BOOST_CHECK_EQUAL(FindAndDelete(s, d), 1);
BOOST_CHECK(s == expect); BOOST_CHECK(s == expect);
s = CScript() << OP_0 << OP_0 << OP_1 << OP_1; s = CScript() << OP_0 << OP_0 << OP_1 << OP_1;
d = CScript() << OP_0 << OP_1; d = CScript() << OP_0 << OP_1;
// FindAndDelete is single-pass // FindAndDelete is single-pass
expect = CScript() << OP_0 << OP_1; expect = CScript() << OP_0 << OP_1;
BOOST_CHECK_EQUAL(s.FindAndDelete(d), 1); BOOST_CHECK_EQUAL(FindAndDelete(s, d), 1);
BOOST_CHECK(s == expect); BOOST_CHECK(s == expect);
s = CScript() << OP_0 << OP_0 << OP_1 << OP_0 << OP_1 << OP_1; s = CScript() << OP_0 << OP_0 << OP_1 << OP_0 << OP_1 << OP_1;
d = CScript() << OP_0 << OP_1; d = CScript() << OP_0 << OP_1;
// FindAndDelete is single-pass // FindAndDelete is single-pass
expect = CScript() << OP_0 << OP_1; expect = CScript() << OP_0 << OP_1;
BOOST_CHECK_EQUAL(s.FindAndDelete(d), 2); BOOST_CHECK_EQUAL(FindAndDelete(s, d), 2);
BOOST_CHECK(s == expect); BOOST_CHECK(s == expect);
// Another weird edge case: // Another weird edge case:
// End with invalid push (not enough data)... // End with invalid push (not enough data)...
s = ScriptFromHex("0003feed"); s = ScriptFromHex("0003feed");
// ... can remove the invalid push // ... can remove the invalid push
d = ScriptFromHex("03feed"); d = ScriptFromHex("03feed");
expect = ScriptFromHex("00"); expect = ScriptFromHex("00");
BOOST_CHECK_EQUAL(s.FindAndDelete(d), 1); BOOST_CHECK_EQUAL(FindAndDelete(s, d), 1);
BOOST_CHECK(s == expect); BOOST_CHECK(s == expect);
s = ScriptFromHex("0003feed"); s = ScriptFromHex("0003feed");
d = ScriptFromHex("00"); d = ScriptFromHex("00");
expect = ScriptFromHex("03feed"); expect = ScriptFromHex("03feed");
BOOST_CHECK_EQUAL(s.FindAndDelete(d), 1); BOOST_CHECK_EQUAL(FindAndDelete(s, d), 1);
BOOST_CHECK(s == expect); BOOST_CHECK(s == expect);
} }
BOOST_AUTO_TEST_CASE(IsWitnessProgram) { BOOST_AUTO_TEST_CASE(IsWitnessProgram) {
// Valid version: [0,16] // Valid version: [0,16]
// Valid program_len: [2,40] // Valid program_len: [2,40]
for (int version = -1; version <= 17; version++) { for (int version = -1; version <= 17; version++) {
for (unsigned int program_len = 1; program_len <= 41; program_len++) { for (unsigned int program_len = 1; program_len <= 41; program_len++) {
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