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Fix msvc compiler error C4146 (unary minus operator applied to unsigned type)

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On msvc14, int literal '-2147483648' is invalid, because '2147483648' is unsigned type and cant't apply minus operator to unsigned type.
To define the int literal correctly, use '-2147483647 - 1' formula that is also used to define INT_MIN in limits.h.
This commit is contained in:
kobake 2017-03-08 05:19:31 +09:00
parent 292112f87e
commit 8e0720bdb9
1 changed files with 1 additions and 1 deletions
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2
src/test/util_tests.cpp
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@ -321,7 +321,7 @@ BOOST_AUTO_TEST_CASE(test_ParseInt32)
BOOST_CHECK(ParseInt32("1234", &n) && n == 1234); BOOST_CHECK(ParseInt32("1234", &n) && n == 1234);
BOOST_CHECK(ParseInt32("01234", &n) && n == 1234); // no octal BOOST_CHECK(ParseInt32("01234", &n) && n == 1234); // no octal
BOOST_CHECK(ParseInt32("2147483647", &n) && n == 2147483647); BOOST_CHECK(ParseInt32("2147483647", &n) && n == 2147483647);
BOOST_CHECK(ParseInt32("-2147483648", &n) && n == -2147483648); BOOST_CHECK(ParseInt32("-2147483648", &n) && n == (-2147483647 - 1)); // (-2147483647 - 1) equals INT_MIN
BOOST_CHECK(ParseInt32("-1234", &n) && n == -1234); BOOST_CHECK(ParseInt32("-1234", &n) && n == -1234);
// Invalid values // Invalid values
BOOST_CHECK(!ParseInt32("", &n)); BOOST_CHECK(!ParseInt32("", &n));