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"i" and "I".

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This commit is contained in:
Tomoyuki Sahara
2014-12-12 12:01:58 +09:00
parent 5b65ca3ebb
commit 669fe705cc
2 changed files with 43 additions and 0 deletions
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test/pack.rb
+24
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@@ -121,3 +121,27 @@ assert 'pack double' do
assert_pack 'D', "@\b\x00\x00\x00\x00\x00\x00", [3.0]
end
end
assert 'pack/unpack "i"' do
int_size = [0].pack('i').size
raise "pack('i').size is too small (#{int_size})" if int_size < 2
if PACK_IS_LITTLE_ENDIAN
str = "\xC7\xCF" + "\xFF" * (int_size-2)
else
str = "\xFF" * (int_size-2) + "\xC7\xCF"
end
assert_pack 'i', str, [-12345]
end
assert 'pack/unpack "I"' do
uint_size = [0].pack('I').size
raise "pack('I').size is too small (#{uint_size})" if uint_size < 2
if PACK_IS_LITTLE_ENDIAN
str = "\x39\x30" + "\0" * (uint_size-2)
else
str = "\0" * (uint_size-2) + "\x39\x30"
end
assert_pack 'I', str, [12345]
end