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assert('Comparable#<', '15.3.3.2.1') do
class Foo
include Comparable
def <=>(x)
x
end
end
assert_false(Foo.new < 0)
assert_false(Foo.new < 1)
assert_true(Foo.new < -1)
assert_raise(ArgumentError){ Foo.new < nil }
end
assert('Comparable#<=', '15.3.3.2.2') do
class Foo
include Comparable
def <=>(x)
x
end
end
assert_true(Foo.new <= 0)
assert_false(Foo.new <= 1)
assert_true(Foo.new <= -1)
assert_raise(ArgumentError){ Foo.new <= nil }
end
assert('Comparable#==', '15.3.3.2.3') do
class Foo
include Comparable
def <=>(x)
0
end
end
assert_true(Foo.new == Foo.new)
end
assert('Comparable#>', '15.3.3.2.4') do
class Foo
include Comparable
def <=>(x)
x
end
end
assert_false(Foo.new > 0)
assert_true(Foo.new > 1)
assert_false(Foo.new > -1)
assert_raise(ArgumentError){ Foo.new > nil }
end
assert('Comparable#>=', '15.3.3.2.5') do
class Foo
include Comparable
def <=>(x)
x
end
end
assert_true(Foo.new >= 0)
assert_true(Foo.new >= 1)
assert_false(Foo.new >= -1)
assert_raise(ArgumentError){ Foo.new >= nil }
end
assert('Comparable#between?', '15.3.3.2.6') do
class Foo
include Comparable
def <=>(x)
x
end
end
c = Foo.new
assert_false(c.between?(-1, 1))
assert_false(c.between?(-1, -1))
assert_false(c.between?( 1, 1))
assert_true(c.between?( 1, -1))
assert_true(c.between?(0, 0))
end
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