1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
|
require 'test/unit'
class A
define_singleton_method(:a) { 42 }
define_singleton_method(:b, lambda {|x| 2*x })
end
class TestKernel19Features < Test::Unit::TestCase
def test_proc_lambda
# proc does not check arity in 1.9
assert_nothing_raised { proc {|a,b|}.call(1) }
end
def test_define_singleton_method
assert(::A.singleton_methods.include?(:a), "singleton method :a defined")
assert_equal( 42, A.a, "singleton method :a returns 42" )
assert(::A.singleton_methods.include?(:b), "singleton method :b defined")
assert_equal( 84, A.b(42), "singleton method :b returns double the input")
end
end
|
