From 74a13c76349b3b463514f60beb9f02c2ba301ad6 Mon Sep 17 00:00:00 2001 From: kosaki Date: Mon, 14 Nov 2011 03:45:47 +0000 Subject: * numeric.c (check_uint): fix off-by-one bug of NUM2UINT. * bignum.c (rb_big2ulong): fix off-by-one bug of NUM2ULONG. * test/-ext-/num2int/test_num2int.rb: add a testcase for NUM2INT() NUM2UINT(), NUM2LONG(), NUM2ULONG(), NUM2LL and NUM2ULL(). * ext/-test-/num2int/depend: ditto. * ext/-test-/num2int/extconf.rb: ditto. * ext/-test-/num2int/num2int.c: ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@33739 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- test/-ext-/num2int/test_num2int.rb | 145 +++++++++++++++++++++++++++++++++++++ 1 file changed, 145 insertions(+) create mode 100644 test/-ext-/num2int/test_num2int.rb (limited to 'test/-ext-/num2int') diff --git a/test/-ext-/num2int/test_num2int.rb b/test/-ext-/num2int/test_num2int.rb new file mode 100644 index 0000000000..7d021d1955 --- /dev/null +++ b/test/-ext-/num2int/test_num2int.rb @@ -0,0 +1,145 @@ +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 + + -- cgit v1.2.3