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ruby--ruby/test/ruby/test_method.rb
Marc-Andre Lafortune 7ca2ca9e32 Remove unneeded code
2020-12-24 04:58:40 -05:00

1403 lines
45 KiB
Ruby

# -*- coding: us-ascii -*-
# frozen_string_literal: false
require 'test/unit'
class TestMethod < Test::Unit::TestCase
def setup
@verbose = $VERBOSE
end
def teardown
$VERBOSE = @verbose
end
def m0() end
def m1(a) end
def m2(a, b) end
def mo1(a = nil, &b) end
def mo2(a, b = nil) end
def mo3(*a) end
def mo4(a, *b, &c) end
def mo5(a, *b, c) end
def mo6(a, *b, c, &d) end
def mo7(a, b = nil, *c, d, &e) end
def mo8(a, b = nil, *, d, &e) end
def ma1((a), &b) nil && a end
def mk1(**) end
def mk2(**o) nil && o end
def mk3(a, **o) nil && o end
def mk4(a = nil, **o) nil && o end
def mk5(a, b = nil, **o) nil && o end
def mk6(a, b = nil, c, **o) nil && o end
def mk7(a, b = nil, *c, d, **o) nil && o end
def mk8(a, b = nil, *c, d, e:, f: nil, **o) nil && o end
def mnk(**nil) end
def mf(...) end
class Base
def foo() :base end
end
class Derived < Base
def foo() :derived end
end
class T
def initialize; end
def initialize_copy(*) super end
def initialize_clone(*) super end
def initialize_dup(*) super end
def respond_to_missing?(*) super end
def normal_method; end
end
module M
def func; end
module_function :func
def meth; :meth end
end
def mv1() end
def mv2() end
private :mv2
def mv3() end
protected :mv3
class Visibility
def mv1() end
def mv2() end
private :mv2
def mv3() end
protected :mv3
end
def test_arity
assert_equal(0, method(:m0).arity)
assert_equal(1, method(:m1).arity)
assert_equal(2, method(:m2).arity)
assert_equal(-1, method(:mo1).arity)
assert_equal(-2, method(:mo2).arity)
assert_equal(-1, method(:mo3).arity)
assert_equal(-2, method(:mo4).arity)
assert_equal(-3, method(:mo5).arity)
assert_equal(-3, method(:mo6).arity)
assert_equal(-1, method(:mk1).arity)
assert_equal(-1, method(:mk2).arity)
assert_equal(-2, method(:mk3).arity)
assert_equal(-1, method(:mk4).arity)
assert_equal(-2, method(:mk5).arity)
assert_equal(-3, method(:mk6).arity)
assert_equal(-3, method(:mk7).arity)
end
def test_arity_special
assert_equal(-1, method(:__send__).arity)
end
def test_unbind
assert_equal(:derived, Derived.new.foo)
um = Derived.new.method(:foo).unbind
assert_instance_of(UnboundMethod, um)
Derived.class_eval do
def foo() :changed end
end
assert_equal(:changed, Derived.new.foo)
assert_equal(:derived, um.bind(Derived.new).call)
assert_raise(TypeError) do
um.bind(Base.new)
end
# cleanup
Derived.class_eval do
remove_method :foo
def foo() :derived; end
end
end
def test_callee
assert_equal(:test_callee, __method__)
assert_equal(:m, Class.new {def m; __method__; end}.new.m)
assert_equal(:m, Class.new {def m; tap{return __method__}; end}.new.m)
assert_equal(:m, Class.new {define_method(:m) {__method__}}.new.m)
assert_equal(:m, Class.new {define_method(:m) {tap{return __method__}}}.new.m)
assert_nil(eval("class TestCallee; __method__; end"))
assert_equal(:test_callee, __callee__)
[
["method", Class.new {def m; __callee__; end},],
["block", Class.new {def m; tap{return __callee__}; end},],
["define_method", Class.new {define_method(:m) {__callee__}}],
["define_method block", Class.new {define_method(:m) {tap{return __callee__}}}],
].each do |mesg, c|
c.class_eval {alias m2 m}
o = c.new
assert_equal(:m, o.m, mesg)
assert_equal(:m2, o.m2, mesg)
end
assert_nil(eval("class TestCallee; __callee__; end"))
end
def test_orphan_callee
c = Class.new{def foo; proc{__callee__}; end; alias alias_foo foo}
assert_equal(:alias_foo, c.new.alias_foo.call, '[Bug #11046]')
end
def test_method_in_define_method_block
bug4606 = '[ruby-core:35386]'
c = Class.new do
[:m1, :m2].each do |m|
define_method(m) do
__method__
end
end
end
assert_equal(:m1, c.new.m1, bug4606)
assert_equal(:m2, c.new.m2, bug4606)
end
def test_method_in_block_in_define_method_block
bug4606 = '[ruby-core:35386]'
c = Class.new do
[:m1, :m2].each do |m|
define_method(m) do
tap { return __method__ }
end
end
end
assert_equal(:m1, c.new.m1, bug4606)
assert_equal(:m2, c.new.m2, bug4606)
end
def test_body
o = Object.new
def o.foo; end
assert_nothing_raised { RubyVM::InstructionSequence.disasm(o.method(:foo)) }
assert_nothing_raised { RubyVM::InstructionSequence.disasm("x".method(:upcase)) }
assert_nothing_raised { RubyVM::InstructionSequence.disasm(method(:to_s).to_proc) }
end
def test_new
c1 = Class.new
c1.class_eval { def foo; :foo; end }
c2 = Class.new(c1)
c2.class_eval { private :foo }
o = c2.new
o.extend(Module.new)
assert_raise(NameError) { o.method(:bar) }
assert_raise(NameError) { o.public_method(:foo) }
assert_equal(:foo, o.method(:foo).call)
end
def test_eq
o = Object.new
class << o
def foo; end
alias bar foo
def baz; end
end
assert_not_equal(o.method(:foo), nil)
m = o.method(:foo)
def m.foo; end
assert_not_equal(o.method(:foo), m)
assert_equal(o.method(:foo), o.method(:foo))
assert_equal(o.method(:foo), o.method(:bar))
assert_not_equal(o.method(:foo), o.method(:baz))
end
def test_hash
o = Object.new
def o.foo; end
assert_kind_of(Integer, o.method(:foo).hash)
assert_equal(Array.instance_method(:map).hash, Array.instance_method(:collect).hash)
assert_kind_of(String, o.method(:foo).hash.to_s)
end
def test_owner
c = Class.new do
def foo; end
end
assert_equal(c, c.instance_method(:foo).owner)
c2 = Class.new(c)
assert_equal(c, c2.instance_method(:foo).owner)
end
def test_owner_missing
c = Class.new do
def respond_to_missing?(name, bool)
name == :foo
end
end
c2 = Class.new(c)
assert_equal(c, c.new.method(:foo).owner)
assert_equal(c2, c2.new.method(:foo).owner)
end
def test_receiver_name_owner
o = Object.new
def o.foo; end
m = o.method(:foo)
assert_equal(o, m.receiver)
assert_equal(:foo, m.name)
assert_equal(class << o; self; end, m.owner)
assert_equal(:foo, m.unbind.name)
assert_equal(class << o; self; end, m.unbind.owner)
class << o
alias bar foo
end
m = o.method(:bar)
assert_equal(:bar, m.name)
assert_equal(:foo, m.original_name)
end
def test_instance_method
c = Class.new
c.class_eval do
def foo; :foo; end
private :foo
end
o = c.new
o.method(:foo).unbind
assert_raise(NoMethodError) { o.foo }
c.instance_method(:foo).bind(o)
assert_equal(:foo, o.instance_eval { foo })
assert_raise(NameError) { c.public_instance_method(:foo) }
def o.bar; end
m = o.method(:bar).unbind
assert_raise(TypeError) { m.bind(Object.new) }
cx = EnvUtil.labeled_class("X\u{1f431}")
assert_raise_with_message(TypeError, /X\u{1f431}/) do
o.method(cx)
end
end
def test_bind_module_instance_method
feature4254 = '[ruby-core:34267]'
m = M.instance_method(:meth)
assert_equal(:meth, m.bind(Object.new).call, feature4254)
end
def test_define_method
c = Class.new
c.class_eval { def foo; :foo; end }
o = c.new
def o.bar; :bar; end
assert_raise(TypeError) do
c.class_eval { define_method(:foo, :foo) }
end
assert_raise(ArgumentError) do
c.class_eval { define_method }
end
c2 = Class.new(c)
c2.class_eval { define_method(:baz, o.method(:foo)) }
assert_equal(:foo, c2.new.baz)
assert_raise(TypeError) do
Class.new.class_eval { define_method(:foo, o.method(:foo)) }
end
assert_raise(TypeError) do
Class.new.class_eval { define_method(:bar, o.method(:bar)) }
end
cx = EnvUtil.labeled_class("X\u{1f431}")
assert_raise_with_message(TypeError, /X\u{1F431}/) do
Class.new {define_method(cx) {}}
end
end
def test_define_method_no_proc
o = Object.new
def o.foo(c)
c.class_eval { define_method(:foo) }
end
c = Class.new
assert_raise(ArgumentError) {o.foo(c)}
bug11283 = '[ruby-core:69655] [Bug #11283]'
assert_raise(ArgumentError, bug11283) {o.foo(c) {:foo}}
end
def test_define_singleton_method
o = Object.new
o.instance_eval { define_singleton_method(:foo) { :foo } }
assert_equal(:foo, o.foo)
end
def test_define_singleton_method_no_proc
o = Object.new
assert_raise(ArgumentError) {
o.instance_eval { define_singleton_method(:bar) }
}
bug11283 = '[ruby-core:69655] [Bug #11283]'
def o.define(n)
define_singleton_method(n)
end
assert_raise(ArgumentError, bug11283) {o.define(:bar) {:bar}}
end
def test_define_method_invalid_arg
assert_raise(TypeError) do
Class.new.class_eval { define_method(:foo, Object.new) }
end
assert_raise(TypeError) do
Module.new.module_eval {define_method(:foo, Base.instance_method(:foo))}
end
end
def test_define_singleton_method_with_extended_method
bug8686 = "[ruby-core:56174]"
m = Module.new do
extend self
def a
"a"
end
end
assert_nothing_raised(bug8686) do
m.define_singleton_method(:a, m.method(:a))
end
end
def test_define_method_transplating
feature4254 = '[ruby-core:34267]'
m = Module.new {define_method(:meth, M.instance_method(:meth))}
assert_equal(:meth, Object.new.extend(m).meth, feature4254)
c = Class.new {define_method(:meth, M.instance_method(:meth))}
assert_equal(:meth, c.new.meth, feature4254)
end
def test_define_method_visibility
c = Class.new do
public
define_method(:foo) {:foo}
protected
define_method(:bar) {:bar}
private
define_method(:baz) {:baz}
end
assert_equal(true, c.public_method_defined?(:foo))
assert_equal(false, c.public_method_defined?(:bar))
assert_equal(false, c.public_method_defined?(:baz))
assert_equal(false, c.protected_method_defined?(:foo))
assert_equal(true, c.protected_method_defined?(:bar))
assert_equal(false, c.protected_method_defined?(:baz))
assert_equal(false, c.private_method_defined?(:foo))
assert_equal(false, c.private_method_defined?(:bar))
assert_equal(true, c.private_method_defined?(:baz))
m = Module.new do
module_function
define_method(:foo) {:foo}
end
assert_equal(true, m.respond_to?(:foo))
assert_equal(false, m.public_method_defined?(:foo))
assert_equal(false, m.protected_method_defined?(:foo))
assert_equal(true, m.private_method_defined?(:foo))
end
def test_define_method_in_private_scope
bug9005 = '[ruby-core:57747] [Bug #9005]'
c = Class.new
class << c
public :define_method
end
TOPLEVEL_BINDING.eval("proc{|c|c.define_method(:x) {|x|throw x}}").call(c)
o = c.new
assert_throw(bug9005) {o.x(bug9005)}
end
def test_singleton_define_method_in_private_scope
bug9141 = '[ruby-core:58497] [Bug #9141]'
o = Object.new
class << o
public :define_singleton_method
end
TOPLEVEL_BINDING.eval("proc{|o|o.define_singleton_method(:x) {|x|throw x}}").call(o)
assert_throw(bug9141) do
o.x(bug9141)
end
end
def test_super_in_proc_from_define_method
c1 = Class.new {
def m
:m1
end
}
c2 = Class.new(c1) { define_method(:m) { Proc.new { super() } } }
assert_equal(:m1, c2.new.m.call, 'see [Bug #4881] and [Bug #3136]')
end
def test_clone
o = Object.new
def o.foo; :foo; end
m = o.method(:foo)
def m.bar; :bar; end
assert_equal(:foo, m.clone.call)
assert_equal(:bar, m.clone.bar)
end
def test_inspect
o = Object.new
def o.foo; end; line_no = __LINE__
m = o.method(:foo)
assert_equal("#<Method: #{ o.inspect }.foo() #{__FILE__}:#{line_no}>", m.inspect)
m = o.method(:foo)
assert_match("#<UnboundMethod: #{ class << o; self; end.inspect }#foo() #{__FILE__}:#{line_no}", m.unbind.inspect)
c = Class.new
c.class_eval { def foo; end; }; line_no = __LINE__
m = c.new.method(:foo)
assert_equal("#<Method: #{ c.inspect }#foo() #{__FILE__}:#{line_no}>", m.inspect)
m = c.instance_method(:foo)
assert_equal("#<UnboundMethod: #{ c.inspect }#foo() #{__FILE__}:#{line_no}>", m.inspect)
c2 = Class.new(c)
c2.class_eval { private :foo }
m2 = c2.new.method(:foo)
assert_equal("#<Method: #{ c2.inspect }(#{ c.inspect })#foo() #{__FILE__}:#{line_no}>", m2.inspect)
bug7806 = '[ruby-core:52048] [Bug #7806]'
c3 = Class.new(c)
c3.class_eval { alias bar foo }
m3 = c3.new.method(:bar)
assert_equal("#<Method: #{c3.inspect}(#{c.inspect})#bar(foo)() #{__FILE__}:#{line_no}>", m3.inspect, bug7806)
bug15608 = '[ruby-core:91570] [Bug #15608]'
c4 = Class.new(c)
c4.class_eval { alias bar foo }
o = c4.new
o.singleton_class
m4 = o.method(:bar)
assert_equal("#<Method: #{c4.inspect}(#{c.inspect})#bar(foo)() #{__FILE__}:#{line_no}>", m4.inspect, bug15608)
bug17428 = '[ruby-core:101635] [Bug #17428]'
assert_equal("#<Method: #<Class:String>(Module)#prepend(*)>", String.method(:prepend).inspect, bug17428)
c5 = Class.new(String)
m = Module.new{def prepend; end; alias prep prepend}; line_no = __LINE__
c5.extend(m)
c6 = Class.new(c5)
assert_equal("#<Method: #<Class:#{c6.inspect}>(#{m.inspect})#prep(prepend)() #{__FILE__}:#{line_no}>", c6.method(:prep).inspect, bug17428)
end
def test_callee_top_level
assert_in_out_err([], "p __callee__", %w(nil), [])
end
def test_caller_top_level
assert_in_out_err([], "p caller", %w([]), [])
end
def test_caller_negative_level
assert_raise(ArgumentError) { caller(-1) }
end
def test_attrset_ivar
c = Class.new
c.class_eval { attr_accessor :foo }
o = c.new
o.method(:foo=).call(42)
assert_equal(42, o.foo)
assert_raise(ArgumentError) { o.method(:foo=).call(1, 2, 3) }
assert_raise(ArgumentError) { o.method(:foo).call(1) }
end
def test_default_accessibility
tmethods = T.public_instance_methods
assert_include tmethods, :normal_method, 'normal methods are public by default'
assert_not_include tmethods, :initialize, '#initialize is private'
assert_not_include tmethods, :initialize_copy, '#initialize_copy is private'
assert_not_include tmethods, :initialize_clone, '#initialize_clone is private'
assert_not_include tmethods, :initialize_dup, '#initialize_dup is private'
assert_not_include tmethods, :respond_to_missing?, '#respond_to_missing? is private'
mmethods = M.public_instance_methods
assert_not_include mmethods, :func, 'module methods are private by default'
assert_include mmethods, :meth, 'normal methods are public by default'
end
def test_respond_to_missing_argument
obj = Struct.new(:mid).new
def obj.respond_to_missing?(id, *)
self.mid = id
true
end
assert_kind_of(Method, obj.method("bug15640"))
assert_kind_of(Symbol, obj.mid)
assert_equal("bug15640", obj.mid.to_s)
arg = Struct.new(:to_str).new("bug15640_2")
assert_kind_of(Method, obj.method(arg))
assert_kind_of(Symbol, obj.mid)
assert_equal("bug15640_2", obj.mid.to_s)
end
define_method(:pm0) {||}
define_method(:pm1) {|a|}
define_method(:pm2) {|a, b|}
define_method(:pmo1) {|a = nil, &b|}
define_method(:pmo2) {|a, b = nil|}
define_method(:pmo3) {|*a|}
define_method(:pmo4) {|a, *b, &c|}
define_method(:pmo5) {|a, *b, c|}
define_method(:pmo6) {|a, *b, c, &d|}
define_method(:pmo7) {|a, b = nil, *c, d, &e|}
define_method(:pma1) {|(a), &b| nil && a}
define_method(:pmk1) {|**|}
define_method(:pmk2) {|**o|}
define_method(:pmk3) {|a, **o|}
define_method(:pmk4) {|a = nil, **o|}
define_method(:pmk5) {|a, b = nil, **o|}
define_method(:pmk6) {|a, b = nil, c, **o|}
define_method(:pmk7) {|a, b = nil, *c, d, **o|}
define_method(:pmk8) {|a, b = nil, *c, d, e:, f: nil, **o|}
define_method(:pmnk) {|**nil|}
def test_bound_parameters
assert_equal([], method(:m0).parameters)
assert_equal([[:req, :a]], method(:m1).parameters)
assert_equal([[:req, :a], [:req, :b]], method(:m2).parameters)
assert_equal([[:opt, :a], [:block, :b]], method(:mo1).parameters)
assert_equal([[:req, :a], [:opt, :b]], method(:mo2).parameters)
assert_equal([[:rest, :a]], method(:mo3).parameters)
assert_equal([[:req, :a], [:rest, :b], [:block, :c]], method(:mo4).parameters)
assert_equal([[:req, :a], [:rest, :b], [:req, :c]], method(:mo5).parameters)
assert_equal([[:req, :a], [:rest, :b], [:req, :c], [:block, :d]], method(:mo6).parameters)
assert_equal([[:req, :a], [:opt, :b], [:rest, :c], [:req, :d], [:block, :e]], method(:mo7).parameters)
assert_equal([[:req, :a], [:opt, :b], [:rest], [:req, :d], [:block, :e]], method(:mo8).parameters)
assert_equal([[:req], [:block, :b]], method(:ma1).parameters)
assert_equal([[:keyrest]], method(:mk1).parameters)
assert_equal([[:keyrest, :o]], method(:mk2).parameters)
assert_equal([[:req, :a], [:keyrest, :o]], method(:mk3).parameters)
assert_equal([[:opt, :a], [:keyrest, :o]], method(:mk4).parameters)
assert_equal([[:req, :a], [:opt, :b], [:keyrest, :o]], method(:mk5).parameters)
assert_equal([[:req, :a], [:opt, :b], [:req, :c], [:keyrest, :o]], method(:mk6).parameters)
assert_equal([[:req, :a], [:opt, :b], [:rest, :c], [:req, :d], [:keyrest, :o]], method(:mk7).parameters)
assert_equal([[:req, :a], [:opt, :b], [:rest, :c], [:req, :d], [:keyreq, :e], [:key, :f], [:keyrest, :o]], method(:mk8).parameters)
assert_equal([[:nokey]], method(:mnk).parameters)
# pending
assert_equal([[:rest, :*], [:block, :&]], method(:mf).parameters)
end
def test_unbound_parameters
assert_equal([], self.class.instance_method(:m0).parameters)
assert_equal([[:req, :a]], self.class.instance_method(:m1).parameters)
assert_equal([[:req, :a], [:req, :b]], self.class.instance_method(:m2).parameters)
assert_equal([[:opt, :a], [:block, :b]], self.class.instance_method(:mo1).parameters)
assert_equal([[:req, :a], [:opt, :b]], self.class.instance_method(:mo2).parameters)
assert_equal([[:rest, :a]], self.class.instance_method(:mo3).parameters)
assert_equal([[:req, :a], [:rest, :b], [:block, :c]], self.class.instance_method(:mo4).parameters)
assert_equal([[:req, :a], [:rest, :b], [:req, :c]], self.class.instance_method(:mo5).parameters)
assert_equal([[:req, :a], [:rest, :b], [:req, :c], [:block, :d]], self.class.instance_method(:mo6).parameters)
assert_equal([[:req, :a], [:opt, :b], [:rest, :c], [:req, :d], [:block, :e]], self.class.instance_method(:mo7).parameters)
assert_equal([[:req, :a], [:opt, :b], [:rest], [:req, :d], [:block, :e]], self.class.instance_method(:mo8).parameters)
assert_equal([[:req], [:block, :b]], self.class.instance_method(:ma1).parameters)
assert_equal([[:keyrest]], self.class.instance_method(:mk1).parameters)
assert_equal([[:keyrest, :o]], self.class.instance_method(:mk2).parameters)
assert_equal([[:req, :a], [:keyrest, :o]], self.class.instance_method(:mk3).parameters)
assert_equal([[:opt, :a], [:keyrest, :o]], self.class.instance_method(:mk4).parameters)
assert_equal([[:req, :a], [:opt, :b], [:keyrest, :o]], self.class.instance_method(:mk5).parameters)
assert_equal([[:req, :a], [:opt, :b], [:req, :c], [:keyrest, :o]], self.class.instance_method(:mk6).parameters)
assert_equal([[:req, :a], [:opt, :b], [:rest, :c], [:req, :d], [:keyrest, :o]], self.class.instance_method(:mk7).parameters)
assert_equal([[:req, :a], [:opt, :b], [:rest, :c], [:req, :d], [:keyreq, :e], [:key, :f], [:keyrest, :o]], self.class.instance_method(:mk8).parameters)
assert_equal([[:nokey]], self.class.instance_method(:mnk).parameters)
# pending
assert_equal([[:rest, :*], [:block, :&]], self.class.instance_method(:mf).parameters)
end
def test_bmethod_bound_parameters
assert_equal([], method(:pm0).parameters)
assert_equal([[:req, :a]], method(:pm1).parameters)
assert_equal([[:req, :a], [:req, :b]], method(:pm2).parameters)
assert_equal([[:opt, :a], [:block, :b]], method(:pmo1).parameters)
assert_equal([[:req, :a], [:opt, :b]], method(:pmo2).parameters)
assert_equal([[:rest, :a]], method(:pmo3).parameters)
assert_equal([[:req, :a], [:rest, :b], [:block, :c]], method(:pmo4).parameters)
assert_equal([[:req, :a], [:rest, :b], [:req, :c]], method(:pmo5).parameters)
assert_equal([[:req, :a], [:rest, :b], [:req, :c], [:block, :d]], method(:pmo6).parameters)
assert_equal([[:req, :a], [:opt, :b], [:rest, :c], [:req, :d], [:block, :e]], method(:pmo7).parameters)
assert_equal([[:req], [:block, :b]], method(:pma1).parameters)
assert_equal([[:keyrest]], method(:pmk1).parameters)
assert_equal([[:keyrest, :o]], method(:pmk2).parameters)
assert_equal([[:req, :a], [:keyrest, :o]], method(:pmk3).parameters)
assert_equal([[:opt, :a], [:keyrest, :o]], method(:pmk4).parameters)
assert_equal([[:req, :a], [:opt, :b], [:keyrest, :o]], method(:pmk5).parameters)
assert_equal([[:req, :a], [:opt, :b], [:req, :c], [:keyrest, :o]], method(:pmk6).parameters)
assert_equal([[:req, :a], [:opt, :b], [:rest, :c], [:req, :d], [:keyrest, :o]], method(:pmk7).parameters)
assert_equal([[:req, :a], [:opt, :b], [:rest, :c], [:req, :d], [:keyreq, :e], [:key, :f], [:keyrest, :o]], method(:pmk8).parameters)
assert_equal([[:nokey]], method(:pmnk).parameters)
end
def test_bmethod_unbound_parameters
assert_equal([], self.class.instance_method(:pm0).parameters)
assert_equal([[:req, :a]], self.class.instance_method(:pm1).parameters)
assert_equal([[:req, :a], [:req, :b]], self.class.instance_method(:pm2).parameters)
assert_equal([[:opt, :a], [:block, :b]], self.class.instance_method(:pmo1).parameters)
assert_equal([[:req, :a], [:opt, :b]], self.class.instance_method(:pmo2).parameters)
assert_equal([[:rest, :a]], self.class.instance_method(:pmo3).parameters)
assert_equal([[:req, :a], [:rest, :b], [:block, :c]], self.class.instance_method(:pmo4).parameters)
assert_equal([[:req, :a], [:rest, :b], [:req, :c]], self.class.instance_method(:pmo5).parameters)
assert_equal([[:req, :a], [:rest, :b], [:req, :c], [:block, :d]], self.class.instance_method(:pmo6).parameters)
assert_equal([[:req, :a], [:opt, :b], [:rest, :c], [:req, :d], [:block, :e]], self.class.instance_method(:pmo7).parameters)
assert_equal([[:req], [:block, :b]], self.class.instance_method(:pma1).parameters)
assert_equal([[:req], [:block, :b]], self.class.instance_method(:pma1).parameters)
assert_equal([[:keyrest]], self.class.instance_method(:pmk1).parameters)
assert_equal([[:keyrest, :o]], self.class.instance_method(:pmk2).parameters)
assert_equal([[:req, :a], [:keyrest, :o]], self.class.instance_method(:pmk3).parameters)
assert_equal([[:opt, :a], [:keyrest, :o]], self.class.instance_method(:pmk4).parameters)
assert_equal([[:req, :a], [:opt, :b], [:keyrest, :o]], self.class.instance_method(:pmk5).parameters)
assert_equal([[:req, :a], [:opt, :b], [:req, :c], [:keyrest, :o]], self.class.instance_method(:pmk6).parameters)
assert_equal([[:req, :a], [:opt, :b], [:rest, :c], [:req, :d], [:keyrest, :o]], self.class.instance_method(:pmk7).parameters)
assert_equal([[:req, :a], [:opt, :b], [:rest, :c], [:req, :d], [:keyreq, :e], [:key, :f], [:keyrest, :o]], self.class.instance_method(:pmk8).parameters)
assert_equal([[:nokey]], self.class.instance_method(:pmnk).parameters)
end
def test_hidden_parameters
instance_eval("def m((_)"+",(_)"*256+");end")
assert_empty(method(:m).parameters.map{|_,n|n}.compact)
end
def test_method_parameters_inspect
assert_include(method(:m0).inspect, "()")
assert_include(method(:m1).inspect, "(a)")
assert_include(method(:m2).inspect, "(a, b)")
assert_include(method(:mo1).inspect, "(a=..., &b)")
assert_include(method(:mo2).inspect, "(a, b=...)")
assert_include(method(:mo3).inspect, "(*a)")
assert_include(method(:mo4).inspect, "(a, *b, &c)")
assert_include(method(:mo5).inspect, "(a, *b, c)")
assert_include(method(:mo6).inspect, "(a, *b, c, &d)")
assert_include(method(:mo7).inspect, "(a, b=..., *c, d, &e)")
assert_include(method(:mo8).inspect, "(a, b=..., *, d, &e)")
assert_include(method(:ma1).inspect, "(_, &b)")
assert_include(method(:mk1).inspect, "(**)")
assert_include(method(:mk2).inspect, "(**o)")
assert_include(method(:mk3).inspect, "(a, **o)")
assert_include(method(:mk4).inspect, "(a=..., **o)")
assert_include(method(:mk5).inspect, "(a, b=..., **o)")
assert_include(method(:mk6).inspect, "(a, b=..., c, **o)")
assert_include(method(:mk7).inspect, "(a, b=..., *c, d, **o)")
assert_include(method(:mk8).inspect, "(a, b=..., *c, d, e:, f: ..., **o)")
assert_include(method(:mnk).inspect, "(**nil)")
assert_include(method(:mf).inspect, "(...)")
end
def test_unbound_method_parameters_inspect
assert_include(self.class.instance_method(:m0).inspect, "()")
assert_include(self.class.instance_method(:m1).inspect, "(a)")
assert_include(self.class.instance_method(:m2).inspect, "(a, b)")
assert_include(self.class.instance_method(:mo1).inspect, "(a=..., &b)")
assert_include(self.class.instance_method(:mo2).inspect, "(a, b=...)")
assert_include(self.class.instance_method(:mo3).inspect, "(*a)")
assert_include(self.class.instance_method(:mo4).inspect, "(a, *b, &c)")
assert_include(self.class.instance_method(:mo5).inspect, "(a, *b, c)")
assert_include(self.class.instance_method(:mo6).inspect, "(a, *b, c, &d)")
assert_include(self.class.instance_method(:mo7).inspect, "(a, b=..., *c, d, &e)")
assert_include(self.class.instance_method(:mo8).inspect, "(a, b=..., *, d, &e)")
assert_include(self.class.instance_method(:ma1).inspect, "(_, &b)")
assert_include(self.class.instance_method(:mk1).inspect, "(**)")
assert_include(self.class.instance_method(:mk2).inspect, "(**o)")
assert_include(self.class.instance_method(:mk3).inspect, "(a, **o)")
assert_include(self.class.instance_method(:mk4).inspect, "(a=..., **o)")
assert_include(self.class.instance_method(:mk5).inspect, "(a, b=..., **o)")
assert_include(self.class.instance_method(:mk6).inspect, "(a, b=..., c, **o)")
assert_include(self.class.instance_method(:mk7).inspect, "(a, b=..., *c, d, **o)")
assert_include(self.class.instance_method(:mk8).inspect, "(a, b=..., *c, d, e:, f: ..., **o)")
assert_include(self.class.instance_method(:mnk).inspect, "(**nil)")
assert_include(self.class.instance_method(:mf).inspect, "(...)")
end
def test_public_method_with_zsuper_method
c = Class.new
c.class_eval do
def foo
:ok
end
private :foo
end
d = Class.new(c)
d.class_eval do
public :foo
end
assert_equal(:ok, d.new.public_method(:foo).call)
end
def test_public_methods_with_extended
m = Module.new do def m1; end end
a = Class.new do def a; end end
bug = '[ruby-dev:41553]'
obj = a.new
assert_equal([:a], obj.public_methods(false), bug)
obj.extend(m)
assert_equal([:m1, :a], obj.public_methods(false), bug)
end
def test_visibility
assert_equal('method', defined?(mv1))
assert_equal('method', defined?(mv2))
assert_equal('method', defined?(mv3))
assert_equal('method', defined?(self.mv1))
assert_equal(nil, defined?(self.mv2))
assert_equal('method', defined?(self.mv3))
assert_equal(true, respond_to?(:mv1))
assert_equal(false, respond_to?(:mv2))
assert_equal(false, respond_to?(:mv3))
assert_equal(true, respond_to?(:mv1, true))
assert_equal(true, respond_to?(:mv2, true))
assert_equal(true, respond_to?(:mv3, true))
assert_nothing_raised { mv1 }
assert_nothing_raised { mv2 }
assert_nothing_raised { mv3 }
assert_nothing_raised { self.mv1 }
assert_nothing_raised { self.mv2 }
assert_raise(NoMethodError) { (self).mv2 }
assert_nothing_raised { self.mv3 }
v = Visibility.new
assert_equal('method', defined?(v.mv1))
assert_equal(nil, defined?(v.mv2))
assert_equal(nil, defined?(v.mv3))
assert_equal(true, v.respond_to?(:mv1))
assert_equal(false, v.respond_to?(:mv2))
assert_equal(false, v.respond_to?(:mv3))
assert_equal(true, v.respond_to?(:mv1, true))
assert_equal(true, v.respond_to?(:mv2, true))
assert_equal(true, v.respond_to?(:mv3, true))
assert_nothing_raised { v.mv1 }
assert_raise(NoMethodError) { v.mv2 }
assert_raise(NoMethodError) { v.mv3 }
assert_nothing_raised { v.__send__(:mv1) }
assert_nothing_raised { v.__send__(:mv2) }
assert_nothing_raised { v.__send__(:mv3) }
assert_nothing_raised { v.instance_eval { mv1 } }
assert_nothing_raised { v.instance_eval { mv2 } }
assert_nothing_raised { v.instance_eval { mv3 } }
end
def test_bound_method_entry
bug6171 = '[ruby-core:43383]'
assert_ruby_status([], <<-EOC, bug6171)
class Bug6171
def initialize(target)
define_singleton_method(:reverse, target.method(:reverse).to_proc)
end
end
100.times {p = Bug6171.new('test'); 1000.times {p.reverse}}
EOC
end
def test_unbound_method_proc_coerce
# '&' coercion of an UnboundMethod raises TypeError
assert_raise(TypeError) do
Class.new do
define_method('foo', &Object.instance_method(:to_s))
end
end
end
def test___dir__
assert_instance_of String, __dir__
assert_equal(File.dirname(File.realpath(__FILE__)), __dir__)
bug8436 = '[ruby-core:55123] [Bug #8436]'
file, line = *binding.source_location
file = File.realpath(file)
assert_equal(__dir__, eval("__dir__", binding, file, line), bug8436)
bug8662 = '[ruby-core:56099] [Bug #8662]'
assert_equal("arbitrary", eval("__dir__", binding, "arbitrary/file.rb"), bug8662)
assert_equal("arbitrary", Object.new.instance_eval("__dir__", "arbitrary/file.rb"), bug8662)
end
def test_alias_owner
bug7613 = '[ruby-core:51105]'
bug7993 = '[Bug #7993]'
c = Class.new {
def foo
end
prepend Module.new
attr_reader :zot
}
x = c.new
class << x
alias bar foo
end
assert_equal(c, c.instance_method(:foo).owner)
assert_equal(c, x.method(:foo).owner)
assert_equal(x.singleton_class, x.method(:bar).owner)
assert_equal(x.method(:foo), x.method(:bar), bug7613)
assert_equal(c, x.method(:zot).owner, bug7993)
assert_equal(c, c.instance_method(:zot).owner, bug7993)
end
def test_included
m = Module.new {
def foo
end
}
c = Class.new {
def foo
end
include m
}
assert_equal(c, c.instance_method(:foo).owner)
end
def test_prepended
bug7836 = '[ruby-core:52160] [Bug #7836]'
bug7988 = '[ruby-core:53038] [Bug #7988]'
m = Module.new {
def foo
end
}
c = Class.new {
def foo
end
prepend m
}
assert_raise(NameError, bug7988) {Module.new{prepend m}.instance_method(:bar)}
true || c || bug7836
end
def test_gced_bmethod
assert_normal_exit %q{
require 'irb'
IRB::Irb.module_eval do
define_method(:eval_input) do
IRB::Irb.module_eval { alias_method :eval_input, :to_s }
GC.start
Kernel
end
end
IRB.start
}, '[Bug #7825]'
end
def test_singleton_method
feature8391 = '[ruby-core:54914] [Feature #8391]'
c1 = Class.new
c1.class_eval { def foo; :foo; end }
o = c1.new
def o.bar; :bar; end
assert_nothing_raised(NameError) {o.method(:foo)}
assert_raise(NameError, feature8391) {o.singleton_method(:foo)}
m = assert_nothing_raised(NameError, feature8391) {break o.singleton_method(:bar)}
assert_equal(:bar, m.call, feature8391)
end
def test_singleton_method_prepend
bug14658 = '[Bug #14658]'
c1 = Class.new
o = c1.new
def o.bar; :bar; end
class << o; prepend Module.new; end
m = assert_nothing_raised(NameError, bug14658) {o.singleton_method(:bar)}
assert_equal(:bar, m.call, bug14658)
o = Object.new
assert_raise(NameError, bug14658) {o.singleton_method(:bar)}
end
Feature9783 = '[ruby-core:62212] [Feature #9783]'
def assert_curry_three_args(m)
curried = m.curry
assert_equal(6, curried.(1).(2).(3), Feature9783)
curried = m.curry(3)
assert_equal(6, curried.(1).(2).(3), Feature9783)
assert_raise_with_message(ArgumentError, /wrong number/) {m.curry(2)}
end
def test_curry_method
c = Class.new {
def three_args(a,b,c) a + b + c end
}
assert_curry_three_args(c.new.method(:three_args))
end
def test_curry_from_proc
c = Class.new {
define_method(:three_args) {|x,y,z| x + y + z}
}
assert_curry_three_args(c.new.method(:three_args))
end
def assert_curry_var_args(m)
curried = m.curry(3)
assert_equal([1, 2, 3], curried.(1).(2).(3), Feature9783)
curried = m.curry(2)
assert_equal([1, 2], curried.(1).(2), Feature9783)
curried = m.curry(0)
assert_equal([1], curried.(1), Feature9783)
end
def test_curry_var_args
c = Class.new {
def var_args(*args) args end
}
assert_curry_var_args(c.new.method(:var_args))
end
def test_curry_from_proc_var_args
c = Class.new {
define_method(:var_args) {|*args| args}
}
assert_curry_var_args(c.new.method(:var_args))
end
Feature9781 = '[ruby-core:62202] [Feature #9781]'
def test_super_method
o = Derived.new
m = o.method(:foo).super_method
assert_equal(Base, m.owner, Feature9781)
assert_same(o, m.receiver, Feature9781)
assert_equal(:foo, m.name, Feature9781)
m = assert_nothing_raised(NameError, Feature9781) {break m.super_method}
assert_nil(m, Feature9781)
end
def test_super_method_unbound
m = Derived.instance_method(:foo)
m = m.super_method
assert_equal(Base.instance_method(:foo), m, Feature9781)
m = assert_nothing_raised(NameError, Feature9781) {break m.super_method}
assert_nil(m, Feature9781)
bug11419 = '[ruby-core:70254]'
m = Object.instance_method(:tap)
m = assert_nothing_raised(NameError, bug11419) {break m.super_method}
assert_nil(m, bug11419)
end
def test_super_method_module
m1 = Module.new {def foo; end}
c1 = Class.new(Derived) {include m1; def foo; end}
m = c1.instance_method(:foo)
assert_equal(c1, m.owner, Feature9781)
m = m.super_method
assert_equal(m1, m.owner, Feature9781)
m = m.super_method
assert_equal(Derived, m.owner, Feature9781)
m = m.super_method
assert_equal(Base, m.owner, Feature9781)
m2 = Module.new {def foo; end}
o = c1.new.extend(m2)
m = o.method(:foo)
assert_equal(m2, m.owner, Feature9781)
m = m.super_method
assert_equal(c1, m.owner, Feature9781)
assert_same(o, m.receiver, Feature9781)
c1 = Class.new {def foo; end}
c2 = Class.new(c1) {include m1; include m2}
m = c2.instance_method(:foo)
assert_equal(m2, m.owner)
m = m.super_method
assert_equal(m1, m.owner)
m = m.super_method
assert_equal(c1, m.owner)
assert_nil(m.super_method)
end
def test_super_method_bind_unbind_clone
bug15629_m1 = Module.new do
def foo; end
end
bug15629_m2 = Module.new do
def foo; end
end
bug15629_c = Class.new do
include bug15629_m1
include bug15629_m2
end
o = bug15629_c.new
m = o.method(:foo)
sm = m.super_method
im = bug15629_c.instance_method(:foo)
sim = im.super_method
assert_equal(sm, m.clone.super_method)
assert_equal(sim, m.unbind.super_method)
assert_equal(sim, m.unbind.clone.super_method)
assert_equal(sim, im.clone.super_method)
assert_equal(sm, m.unbind.bind(o).super_method)
assert_equal(sm, m.unbind.clone.bind(o).super_method)
assert_equal(sm, im.bind(o).super_method)
assert_equal(sm, im.clone.bind(o).super_method)
end
def test_super_method_removed
c1 = Class.new {private def foo; end}
c2 = Class.new(c1) {public :foo}
c3 = Class.new(c2) {def foo; end}
c1.class_eval {undef foo}
m = c3.instance_method(:foo)
m = assert_nothing_raised(NameError, Feature9781) {break m.super_method}
assert_nil(m, Feature9781)
end
def test_prepended_public_zsuper
mod = EnvUtil.labeled_module("Mod") {private def foo; :ok end}
mods = [mod]
obj = Object.new.extend(mod)
class << obj
public :foo
end
2.times do |i|
mods.unshift(mod = EnvUtil.labeled_module("Mod#{i}") {def foo; end})
obj.singleton_class.prepend(mod)
end
m = obj.method(:foo)
assert_equal(mods, mods.map {m.owner.tap {m = m.super_method}})
assert_nil(m)
end
def test_super_method_with_prepended_module
bug = '[ruby-core:81666] [Bug #13656] should be the method of the parent'
c1 = EnvUtil.labeled_class("C1") {def m; end}
c2 = EnvUtil.labeled_class("C2", c1) {def m; end}
c2.prepend(EnvUtil.labeled_module("M"))
m1 = c1.instance_method(:m)
m2 = c2.instance_method(:m).super_method
assert_equal(m1, m2, bug)
assert_equal(c1, m2.owner, bug)
assert_equal(m1.source_location, m2.source_location, bug)
end
def test_super_method_after_bind
assert_nil String.instance_method(:length).bind(String.new).super_method,
'[ruby-core:85231] [Bug #14421]'
end
def test_super_method_alias
c0 = Class.new do
def m1
[:C0_m1]
end
def m2
[:C0_m2]
end
end
c1 = Class.new(c0) do
def m1
[:C1_m1] + super
end
alias m2 m1
end
c2 = Class.new(c1) do
def m2
[:C2_m2] + super
end
end
o1 = c2.new
assert_equal([:C2_m2, :C1_m1, :C0_m1], o1.m2)
m = o1.method(:m2)
assert_equal([:C2_m2, :C1_m1, :C0_m1], m.call)
m = m.super_method
assert_equal([:C1_m1, :C0_m1], m.call)
m = m.super_method
assert_equal([:C0_m1], m.call)
assert_nil(m.super_method)
end
def test_super_method_alias_to_prepended_module
m = Module.new do
def m1
[:P_m1] + super
end
def m2
[:P_m2] + super
end
end
c0 = Class.new do
def m1
[:C0_m1]
end
end
c1 = Class.new(c0) do
def m1
[:C1_m1] + super
end
prepend m
alias m2 m1
end
o1 = c1.new
assert_equal([:P_m2, :P_m1, :C1_m1, :C0_m1], o1.m2)
m = o1.method(:m2)
assert_equal([:P_m2, :P_m1, :C1_m1, :C0_m1], m.call)
m = m.super_method
assert_equal([:P_m1, :C1_m1, :C0_m1], m.call)
m = m.super_method
assert_equal([:C1_m1, :C0_m1], m.call)
m = m.super_method
assert_equal([:C0_m1], m.call)
assert_nil(m.super_method)
end
def rest_parameter(*rest)
rest
end
def test_splat_long_array
if File.exist?('/etc/os-release') && File.read('/etc/os-release').include?('openSUSE Leap')
# For RubyCI's openSUSE machine http://rubyci.s3.amazonaws.com/opensuseleap/ruby-trunk/recent.html, which tends to die with NoMemoryError here.
skip 'do not exhaust memory on RubyCI openSUSE Leap machine'
end
n = 10_000_000
assert_equal n , rest_parameter(*(1..n)).size, '[Feature #10440]'
end
class C
D = "Const_D"
def foo
a = b = c = a = b = c = 12345
end
end
def test_to_proc_binding
bug11012 = '[ruby-core:68673] [Bug #11012]'
b = C.new.method(:foo).to_proc.binding
assert_equal([], b.local_variables, bug11012)
assert_equal("Const_D", b.eval("D"), bug11012) # Check CREF
assert_raise(NameError, bug11012){ b.local_variable_get(:foo) }
assert_equal(123, b.local_variable_set(:foo, 123), bug11012)
assert_equal(123, b.local_variable_get(:foo), bug11012)
assert_equal(456, b.local_variable_set(:bar, 456), bug11012)
assert_equal(123, b.local_variable_get(:foo), bug11012)
assert_equal(456, b.local_variable_get(:bar), bug11012)
assert_equal([:bar, :foo], b.local_variables.sort, bug11012)
end
MethodInMethodClass_Setup = -> do
remove_const :MethodInMethodClass if defined? MethodInMethodClass
class MethodInMethodClass
def m1
def m2
end
self.class.send(:define_method, :m3){} # [Bug #11754]
end
private
end
end
def test_method_in_method_visibility_should_be_public
MethodInMethodClass_Setup.call
assert_equal([:m1].sort, MethodInMethodClass.public_instance_methods(false).sort)
assert_equal([].sort, MethodInMethodClass.private_instance_methods(false).sort)
MethodInMethodClass.new.m1
assert_equal([:m1, :m2, :m3].sort, MethodInMethodClass.public_instance_methods(false).sort)
assert_equal([].sort, MethodInMethodClass.private_instance_methods(false).sort)
end
def test_define_method_with_symbol
assert_normal_exit %q{
define_method(:foo, &:to_s)
define_method(:bar, :to_s.to_proc)
}, '[Bug #11850]'
c = Class.new{
define_method(:foo, &:to_s)
define_method(:bar, :to_s.to_proc)
}
obj = c.new
assert_equal('1', obj.foo(1))
assert_equal('1', obj.bar(1))
end
def test_argument_error_location
body = <<-'END_OF_BODY'
eval <<-'EOS'
$line_lambda = __LINE__; $f = lambda do
_x = 1
end
$line_method = __LINE__; def foo
_x = 1
end
begin
$f.call(1)
rescue ArgumentError => e
assert_equal "(eval):#{$line_lambda.to_s}:in `block in <main>'", e.backtrace.first
end
begin
foo(1)
rescue ArgumentError => e
assert_equal "(eval):#{$line_method}:in `foo'", e.backtrace.first
end
EOS
END_OF_BODY
assert_separately [], body
# without trace insn
assert_separately [], "RubyVM::InstructionSequence.compile_option = {trace_instruction: false}\n" + body
end
def test_zsuper_private_override_instance_method
assert_separately(%w(--disable-gems), <<-'end;', timeout: 30)
# Bug #16942 [ruby-core:98691]
module M
def x
end
end
module M2
prepend Module.new
include M
private :x
end
::Object.prepend(M2)
m = Object.instance_method(:x)
assert_equal M, m.owner
end;
end
def test_eqq
assert_operator(0.method(:<), :===, 5)
assert_not_operator(0.method(:<), :===, -5)
end
def test_compose_with_method
c = Class.new {
def f(x) x * 2 end
def g(x) x + 1 end
}
f = c.new.method(:f)
g = c.new.method(:g)
assert_equal(6, (f << g).call(2))
assert_equal(6, (g >> f).call(2))
end
def test_compose_with_proc
c = Class.new {
def f(x) x * 2 end
}
f = c.new.method(:f)
g = proc {|x| x + 1}
assert_equal(6, (f << g).call(2))
assert_equal(6, (g >> f).call(2))
end
def test_compose_with_callable
c = Class.new {
def f(x) x * 2 end
}
c2 = Class.new {
def call(x) x + 1 end
}
f = c.new.method(:f)
g = c2.new
assert_equal(6, (f << g).call(2))
assert_equal(5, (f >> g).call(2))
end
def test_compose_with_noncallable
c = Class.new {
def f(x) x * 2 end
}
f = c.new.method(:f)
assert_raise(TypeError) {
f << 5
}
assert_raise(TypeError) {
f >> 5
}
end
def test_umethod_bind_call
foo = Base.instance_method(:foo)
assert_equal(:base, foo.bind_call(Base.new))
assert_equal(:base, foo.bind_call(Derived.new))
plus = Integer.instance_method(:+)
assert_equal(3, plus.bind_call(1, 2))
end
def test_method_list
# chkbuild lists all methods.
# The following code emulate this listing.
# use_symbol = Object.instance_methods[0].is_a?(Symbol)
nummodule = nummethod = 0
mods = []
ObjectSpace.each_object(Module) {|m| mods << m if m.name }
mods = mods.sort_by {|m| m.name }
mods.each {|mod|
nummodule += 1
mc = mod.kind_of?(Class) ? "class" : "module"
puts_line = "#{mc} #{mod.name} #{(mod.ancestors - [mod]).inspect}"
puts_line = puts_line # prevent unused var warning
mod.singleton_methods(false).sort.each {|methname|
nummethod += 1
meth = mod.method(methname)
line = "#{mod.name}.#{methname} #{meth.arity}"
line << " not-implemented" if !mod.respond_to?(methname)
# puts line
}
ms = mod.instance_methods(false)
if true or use_symbol
ms << :initialize if mod.private_instance_methods(false).include? :initialize
else
ms << "initialize" if mod.private_instance_methods(false).include? "initialize"
end
ms.sort.each {|methname|
nummethod += 1
meth = mod.instance_method(methname)
line = "#{mod.name}\##{methname} #{meth.arity}"
line << " not-implemented" if /\(not-implemented\)/ =~ meth.inspect
# puts line
}
}
# puts "#{nummodule} modules, #{nummethod} methods"
assert_operator nummodule, :>, 0
assert_operator nummethod, :>, 0
end
def test_invalidating_CC_ASAN
assert_ruby_status(['-e', 'using Module.new'])
end
end