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Adds additional zero checks for setCompact

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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)
This commit is contained in:
Noel Tiernan 2014-01-19 13:32:10 +00:00
parent dd7c1cf534
commit e6c6bc92f4
1 changed files with 36 additions and 0 deletions
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36
src/test/bignum_tests.cpp
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@ -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);