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add more roundtrip tests.

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@14010 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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akr 2007-11-25 00:38:33 +00:00
parent 07ba43734d
commit f90fdbfc73
1 changed files with 44 additions and 0 deletions
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44
test/ruby/test_integer.rb
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@ -569,6 +569,50 @@ class TestInteger < Test::Unit::TestCase
}
end
def test_printf_diu
VS.reverse_each {|a|
s = sprintf("%d", a)
b = s.to_i
assert_equal(a, b, "sprintf('%d', #{a}) = #{s.inspect}")
s = sprintf("%i", a)
b = s.to_i
assert_equal(a, b, "sprintf('%i', #{a}) = #{s.inspect}")
s = sprintf("%u", a)
b = s.to_i
assert_equal(a, b, "sprintf('%u', #{a}) = #{s.inspect}")
}
end
def test_marshal
VS.reverse_each {|a|
s = Marshal.dump(a)
b = Marshal.load(s)
assert_equal(a, b, "Marshal.load(Marshal.dump(#{a}))")
}
end
def test_pack
%w[c C s S s! S! i I l L l! L! q Q].each {|template|
size = [0].pack(template).size
mask = (1 << (size * 8)) - 1
if /[A-Z]/ =~ template
min = 0
max = (1 << (size * 8))-1
else
min = -(1 << (size * 8 - 1))
max = (1 << (size * 8 - 1)) - 1
end
VS.reverse_each {|a|
s = [a].pack(template)
b = s.unpack(template)[0]
assert_equal(a & mask, b & mask, "[#{a}].pack(#{template.dump}).unpack(#{template.dump}) & #{mask}")
if min <= a && a <= max
assert_equal(a, b, "[#{a}].pack(#{template.dump}).unpack(#{template.dump})")
end
}
}
end
def test_Integer
assert_raise(ArgumentError) {Integer("0x-1")}
assert_raise(ArgumentError) {Integer("-0x-1")}