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require 'test/unit'
require '-test-/num2int/num2int'
class TestNum2int < Test::Unit::TestCase
SHRT_MIN = -32768
SHRT_MAX = 32767
USHRT_MAX = 65535
INT_MIN = -2147483648
INT_MAX = 2147483647
UINT_MAX = 4294967295
case [0].pack('L!').size
when 4
LONG_MAX = 2147483647
LONG_MIN = -2147483648
ULONG_MAX = 4294967295
when 8
LONG_MAX = 9223372036854775807
LONG_MIN = -9223372036854775808
ULONG_MAX = 18446744073709551615
end
LLONG_MAX = 9223372036854775807
LLONG_MIN = -9223372036854775808
ULLONG_MAX = 18446744073709551615
FIXNUM_MAX = LONG_MAX/2
FIXNUM_MIN = LONG_MIN/2
def fix2big(n)
10000000000000000000000000000.coerce(n)[0]
end
def assert_num2i_success_internal(exp, func, arg)
mesg = "#{func}(#{arg.inspect})"
out = nil
assert_nothing_raised(mesg) {
out = Num2int.send(func, arg)
}
assert_equal(exp, out, mesg)
end
def assert_num2i_success(type, num, result=num)
func = "NUM2#{type}".upcase
assert_num2i_success_internal(result.to_s, func, num)
assert_num2i_success_internal(result.to_s, func, fix2big(num))
assert_num2i_success_internal(result.to_s, func, Rational(num, 1))
if num.to_f.to_i == num
assert_num2i_success_internal(result.to_s, func, num.to_f)
end
# The conversion functions such as NUM2INT uses (conceptually) to_int.
if (arg = num.to_f + 0.5) != num.to_f && arg.to_int == num
assert_num2i_success_internal(result.to_s, func, arg)
end
if (arg = num.to_f - 0.5) != num.to_f && arg.to_int == num
assert_num2i_success_internal(result.to_s, func, arg)
end
if (arg = num + Rational(1,2)) && arg.to_int == num
assert_num2i_success_internal(result.to_s, func, arg)
end
if (arg = num - Rational(1,2)) && arg.to_int == num
assert_num2i_success_internal(result.to_s, func, arg)
end
end
def assert_num2i_error_internal(func, arg)
assert_raise(RangeError, "#{func}(#{arg.inspect})") {
Num2int.send(func, arg)
}
end
def assert_num2i_error(type, num)
func = "NUM2#{type}".upcase
assert_num2i_error_internal(func, num)
assert_num2i_error_internal(func, fix2big(num))
assert_num2i_error_internal(func, Rational(num, 1))
if num.to_f.to_i == num
assert_num2i_error_internal(func, num.to_f)
end
# The conversion functions such as NUM2INT uses (conceptually) to_int.
if (arg = num.to_f + 0.5) != num.to_f && arg.to_int == num
assert_num2i_error_internal(func, arg)
end
if (arg = num.to_f - 0.5) != num.to_f && arg.to_int == num
assert_num2i_error_internal(func, arg)
end
if (arg = num + Rational(1,2)) && arg.to_int == num
assert_num2i_error_internal(func, arg)
end
if (arg = num - Rational(1,2)) && arg.to_int == num
assert_num2i_error_internal(func, arg)
end
end
def assert_fix2i_success_internal(exp, func, arg)
mesg = "#{func}(#{arg.inspect})"
out = nil
assert_nothing_raised(mesg) {
out = Num2int.send(func, arg)
}
assert_equal(exp, out, mesg)
end
def assert_fix2i_success(type, num, result=num)
return if !num.kind_of?(Fixnum)
func = "FIX2#{type}".upcase
assert_fix2i_success_internal(result.to_s, func, num)
end
def assert_fix2i_error_internal(func, arg)
assert_raise(RangeError, "#{func}(#{arg.inspect})") {
Num2int.send(func, arg)
}
end
def assert_fix2i_error(type, num)
return if !num.kind_of?(Fixnum)
func = "FIX2#{type}".upcase
assert_num2i_error_internal(func, num)
end
def test_num2short
assert_num2i_success(:short, SHRT_MIN)
assert_num2i_success(:short, SHRT_MIN+1)
assert_num2i_success(:short, SHRT_MAX)
assert_num2i_error(:short, SHRT_MIN-1)
assert_num2i_error(:short, SHRT_MAX+1)
end
def test_num2ushort
assert_num2i_success(:ushort, 0)
assert_num2i_success(:ushort, USHRT_MAX)
assert_num2i_success(:ushort, -1, USHRT_MAX)
assert_num2i_success(:ushort, SHRT_MIN, SHRT_MAX+1)
assert_num2i_success(:ushort, SHRT_MIN+1, SHRT_MAX+2)
assert_num2i_error(:ushort, SHRT_MIN-1)
assert_num2i_error(:ushort, USHRT_MAX+1)
end
def test_num2int
assert_num2i_success(:int, INT_MIN)
assert_num2i_success(:int, INT_MIN+1)
assert_num2i_success(:int, INT_MAX)
assert_num2i_error(:int, INT_MIN-1)
assert_num2i_error(:int, INT_MAX+1)
end
def test_num2uint
assert_num2i_success(:uint, 0)
assert_num2i_success(:uint, UINT_MAX)
assert_num2i_success(:uint, -1, UINT_MAX)
assert_num2i_success(:uint, INT_MIN, INT_MAX+1)
assert_num2i_success(:uint, INT_MIN+1, INT_MAX+2)
assert_num2i_error(:uint, INT_MIN-1)
assert_num2i_error(:uint, UINT_MAX+1)
end
def test_num2long
assert_num2i_success(:long, LONG_MIN)
assert_num2i_success(:long, LONG_MIN+1)
assert_num2i_success(:long, LONG_MAX)
assert_num2i_error(:long, LONG_MIN-1)
assert_num2i_error(:long, LONG_MAX+1)
assert_num2i_success(:long, FIXNUM_MIN)
assert_num2i_success(:long, FIXNUM_MIN+1)
assert_num2i_success(:long, FIXNUM_MIN-1)
assert_num2i_success(:long, FIXNUM_MAX)
assert_num2i_success(:long, FIXNUM_MAX+1)
end
def test_num2ulong
assert_num2i_success(:ulong, 0)
assert_num2i_success(:ulong, ULONG_MAX)
assert_num2i_success(:ulong, -1, ULONG_MAX)
assert_num2i_success(:ulong, LONG_MIN, LONG_MAX+1)
assert_num2i_success(:ulong, LONG_MIN+1, LONG_MAX+2)
assert_num2i_error(:ulong, LONG_MIN-1)
assert_num2i_error(:ulong, ULONG_MAX+1)
assert_num2i_success(:ulong, FIXNUM_MIN, ULONG_MAX-FIXNUM_MAX)
assert_num2i_success(:ulong, FIXNUM_MIN+1, ULONG_MAX-FIXNUM_MAX+1)
assert_num2i_success(:ulong, FIXNUM_MIN-1, ULONG_MAX-FIXNUM_MAX-1)
assert_num2i_success(:ulong, FIXNUM_MAX, FIXNUM_MAX)
assert_num2i_success(:ulong, FIXNUM_MAX+1, FIXNUM_MAX+1)
end
def test_num2ll
assert_num2i_success(:ll, LLONG_MIN)
assert_num2i_success(:ll, LLONG_MIN+1)
assert_num2i_success(:ll, LLONG_MAX)
assert_num2i_error(:ll, LLONG_MIN-1)
assert_num2i_error(:ll, LLONG_MAX+1)
assert_num2i_success(:ll, FIXNUM_MIN)
assert_num2i_success(:ll, FIXNUM_MIN+1)
assert_num2i_success(:ll, FIXNUM_MIN-1)
assert_num2i_success(:ll, FIXNUM_MAX)
assert_num2i_success(:ll, FIXNUM_MAX+1)
end if defined?(Num2int.NUM2LL)
def test_num2ull
assert_num2i_success(:ull, 0)
assert_num2i_success(:ull, ULLONG_MAX)
assert_num2i_success(:ull, -1, ULLONG_MAX)
assert_num2i_success(:ull, LLONG_MIN, LLONG_MAX+1)
assert_num2i_success(:ull, LLONG_MIN+1, LLONG_MAX+2)
assert_num2i_error(:ull, LLONG_MIN-1)
assert_num2i_error(:ull, ULLONG_MAX+1)
assert_num2i_success(:ull, FIXNUM_MIN, ULLONG_MAX-FIXNUM_MAX)
assert_num2i_success(:ull, FIXNUM_MIN+1, ULLONG_MAX-FIXNUM_MAX+1)
assert_num2i_success(:ull, FIXNUM_MIN-1, ULLONG_MAX-FIXNUM_MAX-1)
assert_num2i_success(:ull, FIXNUM_MAX)
assert_num2i_success(:ull, FIXNUM_MAX+1)
end if defined?(Num2int.NUM2ULL)
def test_fix2short
assert_fix2i_success(:short, 0)
assert_fix2i_success(:short, SHRT_MAX)
assert_fix2i_success(:short, SHRT_MIN)
assert_fix2i_success(:short, SHRT_MIN+1)
assert_fix2i_error(:short, SHRT_MAX+1)
assert_fix2i_error(:short, SHRT_MIN-1)
assert_fix2i_error(:short, FIXNUM_MAX)
assert_fix2i_error(:short, FIXNUM_MIN)
assert_fix2i_error(:short, FIXNUM_MIN+1)
end
def test_fix2int
assert_fix2i_success(:int, 0)
assert_fix2i_success(:int, INT_MAX)
assert_fix2i_success(:int, INT_MIN)
assert_fix2i_success(:int, INT_MIN+1)
assert_fix2i_error(:int, INT_MAX+1)
assert_fix2i_error(:int, INT_MIN-1)
assert_fix2i_error(:int, FIXNUM_MAX) if INT_MAX < FIXNUM_MAX
assert_fix2i_error(:int, FIXNUM_MIN) if FIXNUM_MIN < INT_MIN
assert_fix2i_error(:int, FIXNUM_MIN+1) if FIXNUM_MIN+1 < INT_MIN
end
def test_fix2uint
assert_fix2i_success(:uint, 0)
assert_fix2i_success(:uint, UINT_MAX)
assert_fix2i_success(:uint, INT_MAX)
assert_fix2i_success(:uint, INT_MIN, INT_MAX+1)
assert_fix2i_success(:uint, INT_MIN+1, INT_MAX+2)
assert_fix2i_error(:uint, UINT_MAX+1)
assert_fix2i_error(:uint, INT_MIN-1)
assert_fix2i_error(:uint, FIXNUM_MAX) if UINT_MAX < FIXNUM_MAX
assert_fix2i_error(:uint, FIXNUM_MIN) if FIXNUM_MIN < INT_MIN
assert_fix2i_error(:uint, FIXNUM_MIN+1) if FIXNUM_MIN+1 < INT_MIN
end
def test_fix2long
assert_fix2i_success(:long, 0)
assert_fix2i_success(:long, FIXNUM_MAX)
assert_fix2i_success(:long, FIXNUM_MIN)
assert_fix2i_success(:long, FIXNUM_MIN+1)
end
def test_fix2ulong
assert_fix2i_success(:ulong, 0)
assert_fix2i_success(:ulong, FIXNUM_MAX)
assert_fix2i_success(:ulong, -1, ULONG_MAX)
end
end
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