diff options
Diffstat (limited to 'test/fiddle/test_pack.rb')
| -rw-r--r-- | test/fiddle/test_pack.rb | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/test/fiddle/test_pack.rb b/test/fiddle/test_pack.rb new file mode 100644 index 0000000000..ade1dd5040 --- /dev/null +++ b/test/fiddle/test_pack.rb @@ -0,0 +1,37 @@ +begin + require_relative 'helper' + require 'fiddle/pack' +rescue LoadError + return +end + +module Fiddle + class TestPack < TestCase + def test_pack_map + if defined?(TYPE_LONG_LONG) + assert_equal [0xffff_ffff_ffff_ffff], [0xffff_ffff_ffff_ffff].pack(PackInfo::PACK_MAP[-TYPE_LONG_LONG]).unpack(PackInfo::PACK_MAP[-TYPE_LONG_LONG]) + end + + case Fiddle::SIZEOF_VOIDP + when 8 + assert_equal [0xffff_ffff_ffff_ffff], [0xffff_ffff_ffff_ffff].pack(PackInfo::PACK_MAP[TYPE_VOIDP]).unpack(PackInfo::PACK_MAP[TYPE_VOIDP]) + when 4 + assert_equal [0xffff_ffff], [0xffff_ffff].pack(PackInfo::PACK_MAP[TYPE_VOIDP]).unpack(PackInfo::PACK_MAP[TYPE_VOIDP]) + end + + case Fiddle::SIZEOF_LONG + when 8 + assert_equal [0xffff_ffff_ffff_ffff], [0xffff_ffff_ffff_ffff].pack(PackInfo::PACK_MAP[-TYPE_LONG]).unpack(PackInfo::PACK_MAP[-TYPE_LONG]) + when 4 + assert_equal [0xffff_ffff], [0xffff_ffff].pack(PackInfo::PACK_MAP[-TYPE_LONG]).unpack(PackInfo::PACK_MAP[-TYPE_LONG]) + end + + if Fiddle::SIZEOF_INT == 4 + assert_equal [0xffff_ffff], [0xffff_ffff].pack(PackInfo::PACK_MAP[-TYPE_INT]).unpack(PackInfo::PACK_MAP[-TYPE_INT]) + end + + assert_equal [0xffff], [0xffff].pack(PackInfo::PACK_MAP[-TYPE_SHORT]).unpack(PackInfo::PACK_MAP[-TYPE_SHORT]) + assert_equal [0xff], [0xff].pack(PackInfo::PACK_MAP[-TYPE_CHAR]).unpack(PackInfo::PACK_MAP[-TYPE_CHAR]) + end + end +end |