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require 'test/unit'
class TestNum2int < Test::Unit::TestCase
module Num2int
end
require '-test-/num2int/num2int'
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
def test_num2int
assert_output(INT_MIN.to_s) do
Num2int.print_num2int(INT_MIN)
end
assert_output(INT_MAX.to_s) do
Num2int.print_num2int(INT_MAX)
end
assert_raise(RangeError) do
Num2int.print_num2int(INT_MIN-1)
end
assert_raise(RangeError) do
Num2int.print_num2int(INT_MAX+1)
end
end
def test_num2uint
assert_output("0") do
Num2int.print_num2uint(0)
end
assert_output(UINT_MAX.to_s) do
Num2int.print_num2uint(UINT_MAX)
end
assert_output(UINT_MAX.to_s) do
Num2int.print_num2uint(-1)
end
assert_output((INT_MAX+1).to_s) do
Num2int.print_num2uint(INT_MIN)
end
assert_raise(RangeError) do
Num2int.print_num2uint(INT_MIN-1)
end
assert_raise(RangeError) do
Num2int.print_num2uint(UINT_MAX+1)
end
end
def test_num2long
assert_output(LONG_MIN.to_s) do
Num2int.print_num2long(LONG_MIN)
end
assert_output(LONG_MAX.to_s) do
Num2int.print_num2long(LONG_MAX)
end
assert_raise(RangeError) do
Num2int.print_num2long(LONG_MIN-1)
end
assert_raise(RangeError) do
Num2int.print_num2long(LONG_MAX+1)
end
end
def test_num2ulong
assert_output("0") do
Num2int.print_num2ulong(0)
end
assert_output(ULONG_MAX.to_s) do
Num2int.print_num2ulong(ULONG_MAX)
end
assert_output(ULONG_MAX.to_s) do
Num2int.print_num2ulong(-1)
end
assert_output((LONG_MAX+1).to_s) do
Num2int.print_num2ulong(LONG_MIN)
end
assert_raise(RangeError) do
Num2int.print_num2ulong(LONG_MIN-1)
end
assert_raise(RangeError) do
Num2int.print_num2ulong(ULONG_MAX+1)
end
end
def test_num2ll
assert_output(LONG_MIN.to_s) do
Num2int.print_num2ll(LONG_MIN)
end
assert_output(LLONG_MAX.to_s) do
Num2int.print_num2ll(LLONG_MAX)
end
assert_raise(RangeError) do
Num2int.print_num2ll(LLONG_MIN-1)
end
assert_raise(RangeError) do
Num2int.print_num2ll(LLONG_MAX+1)
end
end
def test_num2ull
assert_output("0") do
Num2int.print_num2ull(0)
end
assert_output(ULLONG_MAX.to_s) do
Num2int.print_num2ull(ULLONG_MAX)
end
assert_output(ULLONG_MAX.to_s) do
Num2int.print_num2ull(-1)
end
assert_output((LLONG_MAX+2).to_s) do
Num2int.print_num2ull(LLONG_MIN+1)
end
# maybe bug
assert_output((LLONG_MAX).to_s) do
Num2int.print_num2ull(LLONG_MIN-1)
end
# maybe bug
assert_output(1.to_s) do
Num2int.print_num2ull(LLONG_MIN*2+1)
end
assert_raise(RangeError) do
Num2int.print_num2ull(LLONG_MIN*2)
end
assert_raise(RangeError) do
Num2int.print_num2ull(ULLONG_MAX+1)
end
end
end
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