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##
# Proc ISO Test
assert('Proc', '15.2.17') do
assert_equal Proc.class, Class
end
assert('Proc superclass', '15.2.17.2') do
assert_equal Proc.superclass, Object
end
assert('Proc.new', '15.2.17.3.1') do
assert_raise ArgumentError do
Proc.new
end
assert_equal (Proc.new {}).class, Proc
end
assert('Proc#[]', '15.2.17.4.1') do
a = 0
b = Proc.new { a += 1 }
b.[]
a2 = 0
b2 = Proc.new { |i| a2 += i }
b2.[](5)
assert_equal a, 1
assert_equal a2, 5
end
assert('Proc#arity', '15.2.17.4.2') do
a = Proc.new {|x, y|}.arity
b = Proc.new {|x, *y, z|}.arity
c = Proc.new {|x=0, y|}.arity
d = Proc.new {|(x, y), z=0|}.arity
assert_equal a, 2
assert_equal b, -3
assert_equal c, 1
assert_equal d, 1
end
assert('Proc#call', '15.2.17.4.3') do
a = 0
b = Proc.new { a += 1 }
b.call
a2 = 0
b2 = Proc.new { |i| a2 += i }
b2.call(5)
assert_equal a, 1
assert_equal a2, 5
end
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