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https://github.com/mruby/mruby
synced 2026-06-08 16:11:16 +00:00
Ported all MRI prepend tests
And of course, some of them fail miserably
This commit is contained in:
Corey Powell
committed by
Blaž Hrastnik
Blaž Hrastnik
parent
319553f0ef
commit
47264bf289
+226
-5
@@ -1,6 +1,26 @@
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##
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# Module ISO Test
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def labeled_module(name, &block)
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Module.new do
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singleton_class.class_eval do
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define_method(:to_s) { name }
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alias_method :inspect, :to_s
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end
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class_eval(&block) if block
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end
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end
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def labeled_class(name, supklass = Object, &block)
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Class.new(supklass) do
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singleton_class.class_eval do
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define_method(:to_s) { name }
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alias_method :inspect, :to_s
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end
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class_eval(&block) if block
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end
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end
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assert('Module', '15.2.2') do
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assert_equal Class, Module.class
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end
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@@ -519,9 +539,9 @@ assert('Module#prepend') do
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assert('test_prepend_inheritance') do
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bug6654 = '[ruby-core:45914]'
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a = Module.new
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b = Module.new { include a }
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c = Module.new { prepend b }
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a = labeled_module('a')
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b = labeled_module('b') { include a }
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c = labeled_module('c') { prepend b }
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assert bug6654 do
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# the Module#< operator should be used here instead, but we don't have it
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@@ -530,8 +550,8 @@ assert('Module#prepend') do
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end
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bug8357 = '[ruby-core:54736] [Bug #8357]'
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b = Module.new { prepend a }
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c = Class.new { include b }
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b = labeled_module('b') { prepend a }
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c = labeled_class('c') { include b }
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assert bug8357 do
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# the Module#< operator should be used here instead, but we don't have it
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@@ -542,6 +562,207 @@ assert('Module#prepend') do
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bug8357 = '[ruby-core:54742] [Bug #8357]'
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assert_kind_of(b, c.new, bug8357)
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end
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assert('test_prepend_instance_methods') do
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bug6655 = '[ruby-core:45915]'
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assert_equal(Object.instance_methods, Class.new {prepend Module.new}.instance_methods, bug6655)
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end
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assert 'test_prepend_singleton_methods' do
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o = Object.new
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o.singleton_class.class_eval {prepend Module.new}
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assert_equal([], o.singleton_methods)
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end
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assert 'test_prepend_remove_method' do
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c = Class.new do
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prepend Module.new { def foo; end }
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end
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assert_raise(NameError) do
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c.class_eval do
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remove_method(:foo)
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end
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end
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c.class_eval do
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def foo; end
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end
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removed = nil
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c.singleton_class.class_eval do
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define_method(:method_removed) {|id| removed = id}
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end
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assert_nothing_raised(NoMethodError, NameError, '[Bug #7843]') do
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c.class_eval do
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remove_method(:foo)
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end
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end
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assert_equal(:foo, removed)
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end
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assert 'test_prepend_class_ancestors' do
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bug6658 = '[ruby-core:45919]'
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m = labeled_module("m")
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c = labeled_class("c") {prepend m}
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assert_equal([m, c], c.ancestors[0, 2], bug6658)
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bug6662 = '[ruby-dev:45868]'
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c2 = labeled_class("c2", c)
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anc = c2.ancestors
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assert_equal([c2, m, c, Object], anc[0..anc.index(Object)], bug6662)
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end
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# this assertion causes the mrbtest to segfault
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#assert 'test_prepend_module_ancestors' do
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# bug6659 = '[ruby-dev:45861]'
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# m0 = labeled_module("m0") { def x; [:m0, *super] end }
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# m1 = labeled_module("m1") { def x; [:m1, *super] end; prepend m0 }
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# m2 = labeled_module("m2") { def x; [:m2, *super] end; prepend m1 }
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# c0 = labeled_class("c0") { def x; [:c0] end }
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# c1 = labeled_class("c1") { def x; [:c1] end; prepend m2 }
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# c2 = labeled_class("c2", c0) { def x; [:c2, *super] end; include m2 }
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# #
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# assert_equal([m0, m1], m1.ancestors, bug6659)
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# #
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# bug6662 = '[ruby-dev:45868]'
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# assert_equal([m0, m1, m2], m2.ancestors, bug6662)
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# assert_equal([m0, m1, m2, c1], c1.ancestors[0, 4], bug6662)
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# assert_equal([:m0, :m1, :m2, :c1], c1.new.x)
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# assert_equal([c2, m0, m1, m2, c0], c2.ancestors[0, 5], bug6662)
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# assert_equal([:c2, :m0, :m1, :m2, :c0], c2.new.x)
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# #
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# m3 = labeled_module("m3") { include m1; prepend m1 }
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# assert_equal([m3, m0, m1], m3.ancestors)
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# m3 = labeled_module("m3") { prepend m1; include m1 }
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# assert_equal([m0, m1, m3], m3.ancestors)
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# m3 = labeled_module("m3") { prepend m1; prepend m1 }
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# assert_equal([m0, m1, m3], m3.ancestors)
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# m3 = labeled_module("m3") { include m1; include m1 }
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# assert_equal([m3, m0, m1], m3.ancestors)
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#end
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assert 'test_prepend_instance_methods_false' do
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bug6660 = '[ruby-dev:45863]'
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assert_equal([:m1], Class.new{ prepend Module.new; def m1; end }.instance_methods(false), bug6660)
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assert_equal([:m1], Class.new(Class.new{def m2;end}){ prepend Module.new; def m1; end }.instance_methods(false), bug6660)
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end
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assert 'test_cyclic_prepend' do
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bug7841 = '[ruby-core:52205] [Bug #7841]'
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m1 = Module.new
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m2 = Module.new
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m1.instance_eval { prepend(m2) }
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assert_raise(ArgumentError, bug7841) do
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m2.instance_eval { prepend(m1) }
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end
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end
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# these assertions will not run without a #assert_seperately method
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#assert 'test_prepend_optmethod' do
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# bug7983 = '[ruby-dev:47124] [Bug #7983]'
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# assert_separately [], %{
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# module M
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# def /(other)
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# to_f / other
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# end
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# end
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# Fixnum.send(:prepend, M)
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# assert_equal(0.5, 1 / 2, "#{bug7983}")
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# }
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# assert_equal(0, 1 / 2)
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#end
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#assert 'test_prepend_visibility' do
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# bug8005 = '[ruby-core:53106] [Bug #8005]'
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# c = Class.new do
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# prepend Module.new {}
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# def foo() end
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# protected :foo
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# end
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# a = c.new
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# assert_respond_to a, [:foo, true], bug8005
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# assert_nothing_raised(NoMethodError, bug8005) {a.send :foo}
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#end
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#assert 'test_prepend_visibility_inherited' do
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# bug8238 = '[ruby-core:54105] [Bug #8238]'
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# assert_separately [], <<-"end;", timeout: 20
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# class A
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# def foo() A; end
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# private :foo
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# end
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# class B < A
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# public :foo
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# prepend Module.new
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# end
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# assert_equal(A, B.new.foo, "#{bug8238}")
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# end;
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#end
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assert 'test_prepend_included_modules' do
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bug8025 = '[ruby-core:53158] [Bug #8025]'
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mixin = labeled_module("mixin")
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c = labeled_module("c") {prepend mixin}
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im = c.included_modules
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assert_not_include(im, c, bug8025)
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assert_include(im, mixin, bug8025)
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c1 = labeled_class("c1") {prepend mixin}
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c2 = labeled_class("c2", c1)
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im = c2.included_modules
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assert_not_include(im, c1, bug8025)
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assert_not_include(im, c2, bug8025)
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assert_include(im, mixin, bug8025)
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end
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assert 'test_prepend_super_in_alias' do
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bug7842 = '[Bug #7842]'
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p = labeled_module("P") do
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def m; "P"+super; end
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end
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a = labeled_class("A") do
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def m; "A"; end
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end
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b = labeled_class("B", a) do
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def m; "B"+super; end
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alias m2 m
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prepend p
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alias m3 m
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end
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assert_equal("BA", b.new.m2, bug7842)
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assert_equal("PBA", b.new.m3, bug7842)
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end
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assert 'test_prepend_each_classes' do
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m = labeled_module("M")
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c1 = labeled_class("C1") {prepend m}
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c2 = labeled_class("C2", c1) {prepend m}
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assert_equal([m, c2, m, c1], c2.ancestors[0, 4], "should be able to prepend each classes")
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end
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assert 'test_prepend_no_duplication' do
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m = labeled_module("M")
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c = labeled_class("C") {prepend m; prepend m}
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assert_equal([m, c], c.ancestors[0, 2], "should never duplicate")
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end
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assert 'test_prepend_in_superclass' do
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m = labeled_module("M")
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c1 = labeled_class("C1")
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c2 = labeled_class("C2", c1) {prepend m}
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c1.class_eval {prepend m}
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assert_equal([m, c2, m, c1], c2.ancestors[0, 4], "should accesisble prepended module in superclass")
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end
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# requires #assert_seperately
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#assert 'test_prepend_call_super' do
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# assert_separately([], <<-'end;') #do
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# bug10847 = '[ruby-core:68093] [Bug #10847]'
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# module M; end
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# Float.prepend M
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# assert_nothing_raised(SystemStackError, bug10847) do
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# 0.3.numerator
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# end
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# end;
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#end
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end
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# @!endgroup prepend
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