require 'test/unit' require_relative 'envutil' class TestSuper < Test::Unit::TestCase class Base def single(a) a end def double(a, b) [a,b] end def array(*a) a end def optional(a = 0) a end end class Single1 < Base def single(*) super end end class Single2 < Base def single(a,*) super end end class Double1 < Base def double(*) super end end class Double2 < Base def double(a,*) super end end class Double3 < Base def double(a,b,*) super end end class Array1 < Base def array(*) super end end class Array2 < Base def array(a,*) super end end class Array3 < Base def array(a,b,*) super end end class Array4 < Base def array(a,b,c,*) super end end class Optional1 < Base def optional(a = 1) super end end class Optional2 < Base def optional(a, b = 1) super end end class Optional3 < Base def single(a = 1) super end end class Optional4 < Base def array(a = 1, *) super end end class Optional5 < Base def array(a = 1, b = 2, *) super end end def test_single1 assert_equal(1, Single1.new.single(1)) end def test_single2 assert_equal(1, Single2.new.single(1)) end def test_double1 assert_equal([1, 2], Double1.new.double(1, 2)) end def test_double2 assert_equal([1, 2], Double2.new.double(1, 2)) end def test_double3 assert_equal([1, 2], Double3.new.double(1, 2)) end def test_array1 assert_equal([], Array1.new.array()) assert_equal([1], Array1.new.array(1)) end def test_array2 assert_equal([1], Array2.new.array(1)) assert_equal([1,2], Array2.new.array(1, 2)) end def test_array3 assert_equal([1,2], Array3.new.array(1, 2)) assert_equal([1,2,3], Array3.new.array(1, 2, 3)) end def test_array4 assert_equal([1,2,3], Array4.new.array(1, 2, 3)) assert_equal([1,2,3,4], Array4.new.array(1, 2, 3, 4)) end def test_optional1 assert_equal(9, Optional1.new.optional(9)) assert_equal(1, Optional1.new.optional) end def test_optional2 assert_raise(ArgumentError) do # call Base#optional with 2 arguments; the 2nd arg is supplied assert_equal(9, Optional2.new.optional(9)) end assert_raise(ArgumentError) do # call Base#optional with 2 arguments assert_equal(9, Optional2.new.optional(9, 2)) end end def test_optional3 assert_equal(9, Optional3.new.single(9)) # call Base#single with 1 argument; the arg is supplied assert_equal(1, Optional3.new.single) end def test_optional4 assert_equal([1], Optional4.new.array) assert_equal([9], Optional4.new.array(9)) assert_equal([9, 8], Optional4.new.array(9, 8)) end def test_optional5 assert_equal([1, 2], Optional5.new.array) assert_equal([9, 2], Optional5.new.array(9)) assert_equal([9, 8], Optional5.new.array(9, 8)) assert_equal([9, 8, 7], Optional5.new.array(9, 8, 7)) end class A def tt(aa) "A#tt" end def uu(a) class << self define_method(:tt) do |sym| super(sym) end end end end def test_define_method a = A.new a.uu(12) assert_equal("A#tt", a.tt(12), "[ruby-core:3856]") e = assert_raise(RuntimeError, "[ruby-core:24244]") { lambda { Class.new { define_method(:a) {super} }.new.a }.call } assert_match(/implicit argument passing of super from method defined by define_method/, e.message) end class SubSeq def initialize @first=11 @first or fail end def subseq @first or fail end end class Indexed def subseq SubSeq.new end end Overlaid = proc do class << self def subseq super.instance_eval(& Overlaid) end end end def test_overlaid assert_nothing_raised('[ruby-dev:40959]') do overlaid = proc do |obj| def obj.reverse super end end overlaid.call(str = "123") overlaid.call(ary = [1,2,3]) str.reverse end assert_nothing_raised('[ruby-core:27230]') do mid=Indexed.new mid.instance_eval(&Overlaid) mid.subseq mid.subseq end end module DoubleInclude class Base def foo [:Base] end end module Override def foo super << :Override end end class A < Base end class B < A end B.send(:include, Override) A.send(:include, Override) end # [Bug #3351] def test_double_include assert_equal([:Base, :Override], DoubleInclude::B.new.foo) # should be changed as follows? # assert_equal([:Base, :Override, :Override], DoubleInclude::B.new.foo) end module DoubleInclude2 class Base def foo [:Base] end end module Override def foo super << :Override end end class A < Base def foo super << :A end end class B < A def foo super << :B end end B.send(:include, Override) A.send(:include, Override) end def test_double_include2 assert_equal([:Base, :Override, :A, :Override, :B], DoubleInclude2::B.new.foo) end def test_super_in_instance_eval super_class = Class.new { def foo return [:super, self] end } sub_class = Class.new(super_class) { def foo x = Object.new x.instance_eval do super() end end } obj = sub_class.new assert_raise(TypeError) do obj.foo end end def test_super_in_instance_eval_with_define_method super_class = Class.new { def foo return [:super, self] end } sub_class = Class.new(super_class) { define_method(:foo) do x = Object.new x.instance_eval do super() end end } obj = sub_class.new assert_raise(TypeError) do obj.foo end end def test_super_in_orphan_block super_class = Class.new { def foo return [:super, self] end } sub_class = Class.new(super_class) { def foo x = Object.new lambda { super() } end } obj = sub_class.new assert_equal([:super, obj], obj.foo.call) end def test_super_in_orphan_block_with_instance_eval super_class = Class.new { def foo return [:super, self] end } sub_class = Class.new(super_class) { def foo x = Object.new x.instance_eval do lambda { super() } end end } obj = sub_class.new assert_raise(TypeError) do obj.foo.call end end def test_yielding_super a = Class.new { def yielder; yield; end } x = Class.new { define_singleton_method(:hello) { 'hi' } } y = Class.new(x) { define_singleton_method(:hello) { m = a.new m.yielder { super() } } } assert_equal 'hi', y.hello end def test_super_in_thread hoge = Class.new { def bar; 'hoge'; end } foo = Class.new(hoge) { def bar; Thread.new { super }.join.value; end } assert_equal 'hoge', foo.new.bar end def assert_super_in_block(type) bug7064 = '[ruby-core:47680]' assert_normal_exit "#{type} {super}", bug7064 end def test_super_in_at_exit assert_super_in_block("at_exit") end def test_super_in_END assert_super_in_block("END") end def test_super_in_BEGIN assert_super_in_block("BEGIN") end end