mirror of
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synced 2022-11-09 12:17:21 -05:00
c0ea75f966
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@28297 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
348 lines
11 KiB
Ruby
348 lines
11 KiB
Ruby
require 'test/unit'
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require_relative 'envutil'
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class TestMethod < Test::Unit::TestCase
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def setup
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@verbose = $VERBOSE
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$VERBOSE = nil
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end
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def teardown
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$VERBOSE = @verbose
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end
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def m0() end
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def m1(a) end
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def m2(a, b) end
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def mo1(a = nil, &b) end
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def mo2(a, b = nil) end
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def mo3(*a) end
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def mo4(a, *b, &c) end
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def mo5(a, *b, c) end
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def mo6(a, *b, c, &d) end
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def mo7(a, b = nil, *c, d, &e) end
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def ma1((a), &b) end
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class Base
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def foo() :base end
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end
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class Derived < Base
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def foo() :derived end
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end
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class T
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def initialize; end
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def normal_method; end
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end
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module M
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def func; end
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module_function :func
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def meth; end
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end
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def test_arity
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assert_equal(0, method(:m0).arity)
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assert_equal(1, method(:m1).arity)
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assert_equal(2, method(:m2).arity)
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assert_equal(-1, method(:mo1).arity)
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assert_equal(-2, method(:mo2).arity)
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assert_equal(-1, method(:mo3).arity)
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assert_equal(-2, method(:mo4).arity)
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assert_equal(-3, method(:mo5).arity)
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assert_equal(-3, method(:mo6).arity)
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end
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def test_arity_special
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assert_equal(-1, method(:__send__).arity)
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end
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def test_unbind
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assert_equal(:derived, Derived.new.foo)
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um = Derived.new.method(:foo).unbind
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assert_instance_of(UnboundMethod, um)
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Derived.class_eval do
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def foo() :changed end
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end
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assert_equal(:changed, Derived.new.foo)
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assert_equal(:derived, um.bind(Derived.new).call)
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assert_raise(TypeError) do
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um.bind(Base.new)
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end
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end
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def test_callee
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assert_equal(:test_callee, __method__)
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assert_equal(:m, Class.new {def m; __method__; end}.new.m)
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assert_equal(:m, Class.new {def m; tap{return __method__}; end}.new.m)
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assert_equal(:m, Class.new {define_method(:m) {__method__}}.new.m)
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assert_equal(:m, Class.new {define_method(:m) {tap{return __method__}}}.new.m)
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assert_nil(eval("class TestCallee; __method__; end"))
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end
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def test_body
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o = Object.new
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def o.foo; end
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assert_nothing_raised { RubyVM::InstructionSequence.disasm(o.method(:foo)) }
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assert_nothing_raised { RubyVM::InstructionSequence.disasm("x".method(:upcase)) }
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end
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def test_new
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c1 = Class.new
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c1.class_eval { def foo; :foo; end }
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c2 = Class.new(c1)
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c2.class_eval { private :foo }
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o = c2.new
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o.extend(Module.new)
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assert_raise(NameError) { o.method(:bar) }
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assert_raise(NameError) { o.public_method(:foo) }
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assert_equal(:foo, o.method(:foo).call)
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end
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def test_eq
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o = Object.new
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class << o
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def foo; end
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alias bar foo
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def baz; end
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end
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assert_not_equal(o.method(:foo), nil)
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m = o.method(:foo)
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def m.foo; end
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assert_not_equal(o.method(:foo), m)
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assert_equal(o.method(:foo), o.method(:foo))
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assert_equal(o.method(:foo), o.method(:bar))
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assert_not_equal(o.method(:foo), o.method(:baz))
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end
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def test_hash
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o = Object.new
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def o.foo; end
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assert_kind_of(Integer, o.method(:foo).hash)
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end
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def test_receiver_name_owner
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o = Object.new
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def o.foo; end
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m = o.method(:foo)
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assert_equal(o, m.receiver)
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assert_equal(:foo, m.name)
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assert_equal(class << o; self; end, m.owner)
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assert_equal(:foo, m.unbind.name)
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assert_equal(class << o; self; end, m.unbind.owner)
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end
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def test_instance_method
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c = Class.new
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c.class_eval do
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def foo; :foo; end
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private :foo
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end
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o = c.new
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o.method(:foo).unbind
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assert_raise(NoMethodError) { o.foo }
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c.instance_method(:foo).bind(o)
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assert_equal(:foo, o.instance_eval { foo })
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assert_raise(NameError) { c.public_instance_method(:foo) }
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def o.bar; end
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m = o.method(:bar).unbind
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assert_raise(TypeError) { m.bind(Object.new) }
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end
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def test_define_method
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c = Class.new
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c.class_eval { def foo; :foo; end }
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o = c.new
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def o.bar; :bar; end
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assert_raise(TypeError) do
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c.class_eval { define_method(:foo, :foo) }
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end
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assert_raise(ArgumentError) do
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c.class_eval { define_method }
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end
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c2 = Class.new(c)
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c2.class_eval { define_method(:baz, o.method(:foo)) }
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assert_equal(:foo, c2.new.baz)
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assert_raise(TypeError) do
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Class.new.class_eval { define_method(:foo, o.method(:foo)) }
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end
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assert_raise(TypeError) do
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Class.new.class_eval { define_method(:bar, o.method(:bar)) }
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end
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o = Object.new
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def o.foo(c)
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c.class_eval { define_method(:foo) }
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end
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c = Class.new
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o.foo(c) { :foo }
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assert_equal(:foo, c.new.foo)
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o = Object.new
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o.instance_eval { define_singleton_method(:foo) { :foo } }
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assert_equal(:foo, o.foo)
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assert_raise(TypeError) do
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Class.new.class_eval { define_method(:foo, Object.new) }
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end
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end
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def test_clone
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o = Object.new
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def o.foo; :foo; end
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m = o.method(:foo)
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def m.bar; :bar; end
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assert_equal(:foo, m.clone.call)
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assert_equal(:bar, m.clone.bar)
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end
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def test_call
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o = Object.new
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def o.foo; p 1; end
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def o.bar(x); x; end
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m = o.method(:foo)
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m.taint
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assert_raise(SecurityError) { m.call }
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end
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def test_inspect
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o = Object.new
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def o.foo; end
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m = o.method(:foo)
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assert_equal("#<Method: #{ o.inspect }.foo>", m.inspect)
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m = o.method(:foo)
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assert_equal("#<UnboundMethod: #{ class << o; self; end.inspect }#foo>", m.unbind.inspect)
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c = Class.new
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c.class_eval { def foo; end; }
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m = c.new.method(:foo)
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assert_equal("#<Method: #{ c.inspect }#foo>", m.inspect)
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m = c.instance_method(:foo)
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assert_equal("#<UnboundMethod: #{ c.inspect }#foo>", m.inspect)
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c2 = Class.new(c)
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c2.class_eval { private :foo }
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m2 = c2.new.method(:foo)
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assert_equal("#<Method: #{ c2.inspect }(#{ c.inspect })#foo>", m2.inspect)
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end
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def test_callee_top_level
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assert_in_out_err([], "p __callee__", %w(nil), [])
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end
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def test_caller_top_level
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assert_in_out_err([], "p caller", %w([]), [])
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end
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def test_caller_negative_level
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assert_raise(ArgumentError) { caller(-1) }
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end
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def test_attrset_ivar
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c = Class.new
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c.class_eval { attr_accessor :foo }
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o = c.new
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o.method(:foo=).call(42)
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assert_equal(42, o.foo)
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assert_raise(ArgumentError) { o.method(:foo=).call(1, 2, 3) }
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assert_raise(ArgumentError) { o.method(:foo).call(1) }
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end
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def test_default_accessibility
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assert T.public_instance_methods.include?(:normal_method), 'normal methods are public by default'
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assert !T.public_instance_methods.include?(:initialize), '#initialize is private'
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assert !M.public_instance_methods.include?(:func), 'module methods are private by default'
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assert M.public_instance_methods.include?(:meth), 'normal methods are public by default'
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end
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define_method(:pm0) {||}
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define_method(:pm1) {|a|}
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define_method(:pm2) {|a, b|}
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define_method(:pmo1) {|a = nil, &b|}
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define_method(:pmo2) {|a, b = nil|}
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define_method(:pmo3) {|*a|}
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define_method(:pmo4) {|a, *b, &c|}
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define_method(:pmo5) {|a, *b, c|}
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define_method(:pmo6) {|a, *b, c, &d|}
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define_method(:pmo7) {|a, b = nil, *c, d, &e|}
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define_method(:pma1) {|(a), &b|}
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def test_bound_parameters
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assert_equal([], method(:m0).parameters)
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assert_equal([[:req, :a]], method(:m1).parameters)
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assert_equal([[:req, :a], [:req, :b]], method(:m2).parameters)
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assert_equal([[:opt, :a], [:block, :b]], method(:mo1).parameters)
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assert_equal([[:req, :a], [:opt, :b]], method(:mo2).parameters)
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assert_equal([[:rest, :a]], method(:mo3).parameters)
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assert_equal([[:req, :a], [:rest, :b], [:block, :c]], method(:mo4).parameters)
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assert_equal([[:req, :a], [:rest, :b], [:req, :c]], method(:mo5).parameters)
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assert_equal([[:req, :a], [:rest, :b], [:req, :c], [:block, :d]], method(:mo6).parameters)
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assert_equal([[:req, :a], [:opt, :b], [:rest, :c], [:req, :d], [:block, :e]], method(:mo7).parameters)
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assert_equal([[:req], [:block, :b]], method(:ma1).parameters)
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end
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def test_unbound_parameters
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assert_equal([], self.class.instance_method(:m0).parameters)
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assert_equal([[:req, :a]], self.class.instance_method(:m1).parameters)
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assert_equal([[:req, :a], [:req, :b]], self.class.instance_method(:m2).parameters)
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assert_equal([[:opt, :a], [:block, :b]], self.class.instance_method(:mo1).parameters)
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assert_equal([[:req, :a], [:opt, :b]], self.class.instance_method(:mo2).parameters)
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assert_equal([[:rest, :a]], self.class.instance_method(:mo3).parameters)
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assert_equal([[:req, :a], [:rest, :b], [:block, :c]], self.class.instance_method(:mo4).parameters)
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assert_equal([[:req, :a], [:rest, :b], [:req, :c]], self.class.instance_method(:mo5).parameters)
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assert_equal([[:req, :a], [:rest, :b], [:req, :c], [:block, :d]], self.class.instance_method(:mo6).parameters)
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assert_equal([[:req, :a], [:opt, :b], [:rest, :c], [:req, :d], [:block, :e]], self.class.instance_method(:mo7).parameters)
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assert_equal([[:req], [:block, :b]], self.class.instance_method(:ma1).parameters)
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end
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def test_bmethod_bound_parameters
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assert_equal([], method(:pm0).parameters)
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assert_equal([[:req, :a]], method(:pm1).parameters)
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assert_equal([[:req, :a], [:req, :b]], method(:pm2).parameters)
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assert_equal([[:opt, :a], [:block, :b]], method(:pmo1).parameters)
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assert_equal([[:req, :a], [:opt, :b]], method(:pmo2).parameters)
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assert_equal([[:rest, :a]], method(:pmo3).parameters)
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assert_equal([[:req, :a], [:rest, :b], [:block, :c]], method(:pmo4).parameters)
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assert_equal([[:req, :a], [:rest, :b], [:req, :c]], method(:pmo5).parameters)
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assert_equal([[:req, :a], [:rest, :b], [:req, :c], [:block, :d]], method(:pmo6).parameters)
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assert_equal([[:req, :a], [:opt, :b], [:rest, :c], [:req, :d], [:block, :e]], method(:pmo7).parameters)
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assert_equal([[:req], [:block, :b]], method(:pma1).parameters)
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end
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def test_bmethod_unbound_parameters
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assert_equal([], self.class.instance_method(:pm0).parameters)
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assert_equal([[:req, :a]], self.class.instance_method(:pm1).parameters)
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assert_equal([[:req, :a], [:req, :b]], self.class.instance_method(:pm2).parameters)
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assert_equal([[:opt, :a], [:block, :b]], self.class.instance_method(:pmo1).parameters)
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assert_equal([[:req, :a], [:opt, :b]], self.class.instance_method(:pmo2).parameters)
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assert_equal([[:rest, :a]], self.class.instance_method(:pmo3).parameters)
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assert_equal([[:req, :a], [:rest, :b], [:block, :c]], self.class.instance_method(:pmo4).parameters)
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assert_equal([[:req, :a], [:rest, :b], [:req, :c]], self.class.instance_method(:pmo5).parameters)
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assert_equal([[:req, :a], [:rest, :b], [:req, :c], [:block, :d]], self.class.instance_method(:pmo6).parameters)
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assert_equal([[:req, :a], [:opt, :b], [:rest, :c], [:req, :d], [:block, :e]], self.class.instance_method(:pmo7).parameters)
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assert_equal([[:req], [:block, :b]], self.class.instance_method(:pma1).parameters)
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end
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def test_public_method_with_zsuper_method
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c = Class.new
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c.class_eval do
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def foo
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:ok
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end
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private :foo
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end
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d = Class.new(c)
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d.class_eval do
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public :foo
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end
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assert_equal(:ok, d.new.public_method(:foo).call)
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end
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def test_public_methods_with_extended
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m = Module.new do def m1; end end
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a = Class.new do def a; end end
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bug = '[ruby-dev:41553]'
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obj = a.new
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assert_equal([:a], obj.public_methods(false), bug)
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obj.extend(m)
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assert_equal([:m1, :a], obj.public_methods(false), bug)
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end
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end
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