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Add unit testing for the CompressScript functions

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marcaiaf 2019-01-04 17:00:13 +01:00 • committed by Adam Jonas
parent a22b62481a
commit b05ec410f2
1 changed files with 73 additions and 0 deletions
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73
src/test/compress_tests.cpp
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@ -4,6 +4,7 @@
#include <compressor.h> #include <compressor.h>
#include <test/setup_common.h> #include <test/setup_common.h>
#include <script/standard.h>
#include <stdint.h> #include <stdint.h>
@ -61,4 +62,76 @@ BOOST_AUTO_TEST_CASE(compress_amounts)
BOOST_CHECK(TestDecode(i)); BOOST_CHECK(TestDecode(i));
} }
BOOST_AUTO_TEST_CASE(compress_script_to_ckey_id)
{
// case CKeyID
CKey key;
key.MakeNewKey(true);
CPubKey pubkey = key.GetPubKey();
CScript script = CScript() << OP_DUP << OP_HASH160 << ToByteVector(pubkey.GetID()) << OP_EQUALVERIFY << OP_CHECKSIG;
BOOST_CHECK_EQUAL(script.size(), 25);
std::vector<unsigned char> out;
bool done = CompressScript(script, out);
BOOST_CHECK_EQUAL(done, true);
// Check compressed script
BOOST_CHECK_EQUAL(out.size(), 21);
BOOST_CHECK_EQUAL(out[0], 0x00);
BOOST_CHECK_EQUAL(memcmp(&out[1], &script[3], 20), 0); // compare the 20 relevant chars of the CKeyId in the script
}
BOOST_AUTO_TEST_CASE(compress_script_to_cscript_id)
{
// case CScriptID
CScript script, redeemScript;
script << OP_HASH160 << ToByteVector(CScriptID(redeemScript)) << OP_EQUAL;
BOOST_CHECK_EQUAL(script.size(), 23);
std::vector<unsigned char> out;
bool done = CompressScript(script, out);
BOOST_CHECK_EQUAL(done, true);
// Check compressed script
BOOST_CHECK_EQUAL(out.size(), 21);
BOOST_CHECK_EQUAL(out[0], 0x01);
BOOST_CHECK_EQUAL(memcmp(&out[1], &script[2], 20), 0); // compare the 20 relevant chars of the CScriptId in the script
}
BOOST_AUTO_TEST_CASE(compress_script_to_compressed_pubkey_id)
{
CKey key;
key.MakeNewKey(true); // case compressed PubKeyID
CScript script = CScript() << ToByteVector(key.GetPubKey()) << OP_CHECKSIG; // COMPRESSED_PUBLIC_KEY_SIZE (33)
BOOST_CHECK_EQUAL(script.size(), 35);
std::vector<unsigned char> out;
bool done = CompressScript(script, out);
BOOST_CHECK_EQUAL(done, true);
// Check compressed script
BOOST_CHECK_EQUAL(out.size(), 33);
BOOST_CHECK_EQUAL(memcmp(&out[0], &script[1], 1), 0);
BOOST_CHECK_EQUAL(memcmp(&out[1], &script[2], 32), 0); // compare the 32 chars of the compressed CPubKey
}
BOOST_AUTO_TEST_CASE(compress_script_to_uncompressed_pubkey_id)
{
CKey key;
key.MakeNewKey(false); // case uncompressed PubKeyID
CScript script = CScript() << ToByteVector(key.GetPubKey()) << OP_CHECKSIG; // PUBLIC_KEY_SIZE (65)
BOOST_CHECK_EQUAL(script.size(), 67); // 1 char code + 65 char pubkey + OP_CHECKSIG
std::vector<unsigned char> out;
bool done = CompressScript(script, out);
BOOST_CHECK_EQUAL(done, true);
// Check compressed script
BOOST_CHECK_EQUAL(out.size(), 33);
BOOST_CHECK_EQUAL(memcmp(&out[1], &script[2], 32), 0); // first 32 chars of CPubKey are copied into out[1:]
BOOST_CHECK_EQUAL(out[0], 0x04 | (script[65] & 0x01)); // least significant bit (lsb) of last char of pubkey is mapped into out[0]
}
BOOST_AUTO_TEST_SUITE_END() BOOST_AUTO_TEST_SUITE_END()