/
comparable.rb
71 lines (59 loc) · 1.02 KB
/
comparable.rb
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assert('Comparable#<', '15.3.3.2.1') do
class Foo
include Comparable
def <=>(x)
0
end
end
(Foo.new < Foo.new) == false
end
assert('Comparable#<=', '15.3.3.2.2') do
class Foo
include Comparable
def <=>(x)
0
end
end
(Foo.new <= Foo.new) == true
end
assert('Comparable#==', '15.3.3.2.3') do
class Foo
include Comparable
def <=>(x)
0
end
end
(Foo.new == Foo.new) == true
end
assert('Comparable#>', '15.3.3.2.4') do
class Foo
include Comparable
def <=>(x)
0
end
end
(Foo.new > Foo.new) == false
end
assert('Comparable#>=', '15.3.3.2.5') do
class Foo
include Comparable
def <=>(x)
0
end
end
(Foo.new >= Foo.new) == true
end
assert('Comparable#between?', '15.3.3.2.6') do
class Foo
include Comparable
def <=>(x)
x
end
end
c = Foo.new
c.between?(-1, 1) == false &&
c.between?(-1, -1) == false &&
c.between?( 1, 1) == false &&
c.between?( 1, -1) == true &&
c.between?(0, 0) == true
end