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add test for printf format %x, %o and %b.

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@14009 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
akr 2007-11-24 16:32:10 +00:00
parent 1d8519ad86
commit 07ba43734d
1 changed files with 79 additions and 0 deletions
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79
test/ruby/test_integer.rb
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@ -490,6 +490,85 @@ class TestInteger < Test::Unit::TestCase
}
end
def test_to_s
2.upto(36) {|radix|
VS.each {|a|
s = a.to_s(radix)
b = s.to_i(radix)
assert_equal(a, b)
}
}
end
def test_printf_x
VS.reverse_each {|a|
s = sprintf("%x", a)
if /\A\.\./ =~ s
b = -($'.tr('0123456789abcdef', 'fedcba9876543210').to_i(16) + 1)
else
b = s.to_i(16)
end
assert_equal(a, b, "sprintf('%x', #{a}) = #{s.inspect}")
}
end
def test_printf_x_sign
VS.reverse_each {|a|
s = sprintf("%+x", a)
b = s.to_i(16)
assert_equal(a, b, "sprintf('%+x', #{a}) = #{s.inspect}")
s = sprintf("% x", a)
b = s.to_i(16)
assert_equal(a, b, "sprintf('% x', #{a}) = #{s.inspect}")
}
end
def test_printf_o
VS.reverse_each {|a|
s = sprintf("%o", a)
if /\A\.\./ =~ s
b = -($'.tr('01234567', '76543210').to_i(8) + 1)
else
b = s.to_i(8)
end
assert_equal(a, b, "sprintf('%o', #{a}) = #{s.inspect}")
}
end
def test_printf_o_sign
VS.reverse_each {|a|
s = sprintf("%+o", a)
b = s.to_i(8)
assert_equal(a, b, "sprintf('%+o', #{a}) = #{s.inspect}")
s = sprintf("% o", a)
b = s.to_i(8)
assert_equal(a, b, "sprintf('% o', #{a}) = #{s.inspect}")
}
end
def test_printf_b
VS.reverse_each {|a|
s = sprintf("%b", a)
if /\A\.\./ =~ s
b = -($'.tr('01', '10').to_i(2) + 1)
else
b = s.to_i(2)
end
assert_equal(a, b, "sprintf('%b', #{a}) = #{s.inspect}")
}
end
def test_printf_b_sign
VS.reverse_each {|a|
s = sprintf("%+b", a)
b = s.to_i(2)
assert_equal(a, b, "sprintf('%+b', #{a}) = #{s.inspect}")
s = sprintf("% b", a)
b = s.to_i(2)
assert_equal(a, b, "sprintf('% b', #{a}) = #{s.inspect}")
}
end
def test_Integer
assert_raise(ArgumentError) {Integer("0x-1")}
assert_raise(ArgumentError) {Integer("-0x-1")}