From e6c6bc92f468b3eeffe1bd5ebc7b6c617bd31714 Mon Sep 17 00:00:00 2001 From: Noel Tiernan Date: Sun, 19 Jan 2014 13:32:10 +0000 Subject: Adds additional zero checks for setCompact These encoded values should all decode to zero Positive Numbers 0x01003456 (1 byte 0x00) 0x02000056 (2 bytes 0x0000) 0x03000000 (3 bytes 0x000000) 0x04000000 (4 bytes 0x000000_00) Negative Numbers 0x00923456 -(0 bytes, so zero) 0x01803456 -(1 byte 0x00) 0x02800056 -(2 bytes 0x0000) 0x03800000 -(3 bytes 0x000000) 0x04800000 -(4 bytes 0x000000_00) --- src/test/bignum_tests.cpp | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) (limited to 'src/test/bignum_tests.cpp') diff --git a/src/test/bignum_tests.cpp b/src/test/bignum_tests.cpp index 9d67324c76..205b15adcf 100644 --- a/src/test/bignum_tests.cpp +++ b/src/test/bignum_tests.cpp @@ -135,6 +135,42 @@ BOOST_AUTO_TEST_CASE(bignum_SetCompact) BOOST_CHECK_EQUAL(num.GetHex(), "0"); BOOST_CHECK_EQUAL(num.GetCompact(), 0U); + num.SetCompact(0x01003456); + BOOST_CHECK_EQUAL(num.GetHex(), "0"); + BOOST_CHECK_EQUAL(num.GetCompact(), 0U); + + num.SetCompact(0x02000056); + BOOST_CHECK_EQUAL(num.GetHex(), "0"); + BOOST_CHECK_EQUAL(num.GetCompact(), 0U); + + num.SetCompact(0x03000000); + BOOST_CHECK_EQUAL(num.GetHex(), "0"); + BOOST_CHECK_EQUAL(num.GetCompact(), 0U); + + num.SetCompact(0x04000000); + BOOST_CHECK_EQUAL(num.GetHex(), "0"); + BOOST_CHECK_EQUAL(num.GetCompact(), 0U); + + num.SetCompact(0x00923456); + BOOST_CHECK_EQUAL(num.GetHex(), "0"); + BOOST_CHECK_EQUAL(num.GetCompact(), 0U); + + num.SetCompact(0x01803456); + BOOST_CHECK_EQUAL(num.GetHex(), "0"); + BOOST_CHECK_EQUAL(num.GetCompact(), 0U); + + num.SetCompact(0x02800056); + BOOST_CHECK_EQUAL(num.GetHex(), "0"); + BOOST_CHECK_EQUAL(num.GetCompact(), 0U); + + num.SetCompact(0x03800000); + BOOST_CHECK_EQUAL(num.GetHex(), "0"); + BOOST_CHECK_EQUAL(num.GetCompact(), 0U); + + num.SetCompact(0x04800000); + BOOST_CHECK_EQUAL(num.GetHex(), "0"); + BOOST_CHECK_EQUAL(num.GetCompact(), 0U); + num.SetCompact(0x01123456); BOOST_CHECK_EQUAL(num.GetHex(), "12"); BOOST_CHECK_EQUAL(num.GetCompact(), 0x01120000U); -- cgit v1.2.3