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Avoid integer overflows in scriptnum tests

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This commit is contained in:
Pieter Wuille 2017-01-10 14:34:20 -08:00
parent 843c560003
commit f94f3e0df8
1 changed files with 4 additions and 2 deletions
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6
src/test/scriptnum_tests.cpp
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@ -12,8 +12,10 @@
BOOST_FIXTURE_TEST_SUITE(scriptnum_tests, BasicTestingSetup)
static const int64_t values[] = \
{ 0, 1, CHAR_MIN, CHAR_MAX, UCHAR_MAX, SHRT_MIN, USHRT_MAX, INT_MIN, INT_MAX, UINT_MAX, LONG_MIN, LONG_MAX };
/** A selection of numbers that do not trigger int64_t overflow
* when added/subtracted. */
static const int64_t values[] = { 0, 1, -2, 127, 128, -255, 256, (1LL << 15) - 1, -(1LL << 16), (1LL << 24) - 1, (1LL << 31), 1 - (1LL << 32), 1LL << 40 };
static const int64_t offsets[] = { 1, 0x79, 0x80, 0x81, 0xFF, 0x7FFF, 0x8000, 0xFFFF, 0x10000};
static bool verify(const CScriptNum10& bignum, const CScriptNum& scriptnum)