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ruby--ruby/test/-ext-/symbol/test_inadvertent_creation.rb

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# frozen_string_literal: false
require 'test/unit'
require_relative 'noninterned_name'
module Test_Symbol
class TestInadvertent < Test::Unit::TestCase
include NonInterned
def setup
@obj = Object.new
end
def assert_not_pinneddown(name, msg = nil)
assert_not_send([Bug::Symbol, :pinneddown?, name], msg)
end
def assert_not_interned(name, msg = nil)
assert_not_send([Bug::Symbol, :find, name], msg)
end
def assert_not_interned_error(obj, meth, name, msg = nil, &block)
e = assert_raise(NameError, msg) {obj.__send__(meth, name, &block)}
assert_not_pinneddown(name, msg)
e
end
def assert_not_interned_false(obj, meth, name, msg = nil)
assert_not_send([obj, meth, name], msg)
assert_not_pinneddown(name, msg)
end
Feature5072 = '[ruby-core:38367]'
def test_module_const_get
cl = Class.new
name = noninterned_name("A")
assert_not_interned_error(cl, :const_get, name, Feature5072)
assert_not_interned_error(cl, :const_get, name.to_sym)
end
def test_module_const_get_toplevel
bug12089 = '[ruby-dev:49498] [Bug #12089]'
name = noninterned_name("A")
e = assert_not_interned_error(Object, :const_get, name)
assert_equal(name, e.name)
assert_not_match(/Object::/, e.message, bug12089)
end
def test_module_const_defined?
cl = Class.new
name = noninterned_name("A")
assert_not_interned_false(cl, :const_defined?, name, Feature5072)
name = noninterned_name
assert_not_interned_error(cl, :const_defined?, name.to_sym)
end
def test_module_define_method_type_error
cl = Class.new
name = noninterned_name
assert_raise(TypeError) {cl.class_eval {define_method(name, "")}}
assert_not_interned(name)
assert_raise(TypeError) {cl.class_eval {define_method(name.to_sym, "")}}
assert_not_pinneddown(name)
end
def test_module_define_method_argument_error
cl = Class.new
name = noninterned_name
assert_raise(ArgumentError) {cl.class_eval {define_method(name)}}
assert_not_interned(name)
assert_raise(ArgumentError) {cl.class_eval {define_method(name.to_sym)}}
assert_not_pinneddown(name)
end
def test_respond_to_missing
feature5072 = Feature5072
c = Class.new do
def self.respond_to_missing?(*)
super
end
end
s = noninterned_name
# assert_not_interned_false(c, :respond_to?, s, feature5072)
assert_not_interned_false(c, :method_defined?, s, feature5072)
assert_not_interned_false(c, :public_method_defined?, s, feature5072)
assert_not_interned_false(c, :private_method_defined?, s, feature5072)
assert_not_interned_false(c, :protected_method_defined?, s, feature5072)
assert_not_interned_false(c, :const_defined?, noninterned_name("A"), feature5072)
assert_not_interned_false(c, :instance_variable_defined?, noninterned_name("@"), feature5072)
assert_not_interned_false(c, :class_variable_defined?, noninterned_name("@@"), feature5072)
end
def test_missing_method
bug10985 = '[ruby-core:68564] [Bug #10985]'
m = nil
c = Class.new do
def self.respond_to_missing?(*)
true
end
end
s = noninterned_name
assert_nothing_raised(NameError, bug10985) {m = c.method(s)}
assert_raise_with_message(NoMethodError, /#{s}/) {m.call}
s = noninterned_name
assert_nothing_raised(NameError, bug10985) {m = c.public_method(s.to_sym)}
assert_raise_with_message(NoMethodError, /#{s}/) {m.call}
s = noninterned_name
assert_nothing_raised(NameError, bug10985) {m = c.singleton_method(s.to_sym)}
assert_raise_with_message(NoMethodError, /#{s}/) {m.call}
end
Feature5079 = '[ruby-core:38404]'
def test_undefined_instance_variable
feature5079 = Feature5079
c = Class.new
iv = noninterned_name("@")
assert_not_interned_false(c, :instance_variable_get, iv, feature5079)
assert_not_interned_error(c, :remove_instance_variable, iv, feature5079)
end
def test_undefined_class_variable
feature5079 = Feature5079
c = Class.new
cv = noninterned_name("@@")
assert_not_interned_error(c, :class_variable_get, cv, feature5079)
assert_not_interned_error(c, :remove_class_variable, cv, feature5079)
end
def test_undefined_const
feature5079 = Feature5079
c = Class.new
s = noninterned_name("A")
assert_not_interned_error(c, :remove_const, s, feature5079)
end
def test_undefined_method
feature5079 = Feature5079
c = Class.new
s = noninterned_name
assert_not_interned_error(c, :method, s, feature5079)
assert_not_interned_error(c, :public_method, s, feature5079)
assert_not_interned_error(c, :instance_method, s, feature5079)
assert_not_interned_error(c, :public_instance_method, s, feature5079)
assert_not_interned_error(c, :singleton_method, s, feature5079)
end
Feature5089 = '[ruby-core:38447]'
def test_const_missing
feature5089 = Feature5089
c = Class.new do
def self.const_missing(const_name)
raise NameError, const_name.to_s
end
end
s = noninterned_name("A")
assert_not_interned_error(c, :const_get, s.to_sym, feature5089)
assert_not_interned_false(c, :autoload?, s.to_sym, feature5089)
end
def test_aliased_method
feature5089 = Feature5089
c = Class.new do
def self.alias_method(str)
super(:puts, str)
end
end
s = noninterned_name
assert_not_interned_error(c, :alias_method, s, feature5089)
assert_not_interned_error(c, :private_class_method, s, feature5089)
assert_not_interned_error(c, :private_constant, s, feature5089)
assert_not_interned_error(c, :private, s, feature5089)
assert_not_interned_error(c, :protected, s, feature5089)
assert_not_interned_error(c, :public, s, feature5089)
assert_not_interned_error(c, :public_class_method, s, feature5089)
assert_not_interned_error(c, :public_constant, s, feature5089)
assert_not_interned_error(c, :remove_method, s, feature5089)
assert_not_interned_error(c, :undef_method, s, feature5089)
assert_not_interned_error(c, :untrace_var, s, feature5089)
end
Feature5112 = '[ruby-core:38576]'
def test_public_send
name = noninterned_name
e = assert_raise(NoMethodError) {@obj.public_send(name, Feature5112)}
assert_not_interned(name)
assert_equal(name, e.name)
assert_equal([Feature5112], e.args)
end
def test_send
name = noninterned_name
e = assert_raise(NoMethodError) {@obj.send(name, Feature5112)}
assert_not_interned(name)
assert_equal(name, e.name)
assert_equal([Feature5112], e.args)
end
def test___send__
name = noninterned_name
e = assert_raise(NoMethodError) {@obj.__send__(name, Feature5112)}
assert_not_interned(name)
assert_equal(name, e.name)
assert_equal([Feature5112], e.args)
end
def test_thread_aref
Thread.current[:test] = nil
name = noninterned_name
assert_nil(Thread.current[name])
assert_not_interned(name)
end
def test_thread_key?
Thread.current[:test] = nil
name = noninterned_name
assert_not_send([Thread.current, :key?, name])
assert_not_interned(name)
end
def test_thread_variable_get
Thread.current.thread_variable_set(:test, nil)
name = noninterned_name
assert_nil(Thread.current.thread_variable_get(name))
assert_not_pinneddown(name)
end
def test_thread_variable_set
name = noninterned_name
Thread.current.thread_variable_set(name, 42)
assert_not_pinneddown(name)
end
def test_thread_variable?
Thread.current.thread_variable_set(:test, nil)
name = noninterned_name
assert_not_send([Thread.current, :thread_variable?, name])
assert_not_pinneddown(name)
end
def test_enumerable_inject_op
name = noninterned_name
assert_raise(NoMethodError) {[1, 2].inject(name)}
assert_not_interned(name)
end
def test_module_const_set
name = noninterned_name
mod = Module.new
assert_raise(NameError) {mod.const_set(name, true)}
assert_not_interned(name)
assert_raise(NameError) {mod.const_set(name.to_sym, true)}
assert_not_pinneddown(name)
end
def test_module_cvar_set
name = noninterned_name
mod = Module.new
assert_raise(NameError) {mod.class_variable_set(name, true)}
assert_not_interned(name)
assert_raise(NameError) {mod.class_variable_set(name.to_sym, true)}
assert_not_pinneddown(name)
end
def test_object_ivar_set
name = noninterned_name
obj = Object.new
assert_raise(NameError) {obj.instance_variable_set(name, true)}
assert_not_interned(name)
assert_raise(NameError) {obj.instance_variable_set(name.to_sym, true)}
assert_not_pinneddown(name)
end
def test_struct_new
name = noninterned_name
assert_raise(NameError) {Struct.new(name)}
assert_not_interned(name)
end
def test_struct_aref
s = Struct.new(:foo).new
name = noninterned_name
assert_raise(NameError) {s[name]}
assert_not_interned(name)
end
def test_struct_aset
s = Struct.new(:foo).new
name = noninterned_name
assert_raise(NameError) {s[name] = true}
assert_not_interned(name)
end
def test_invalid_attr
name = noninterned_name("*")
mod = Module.new
assert_raise(NameError) {mod.module_eval {attr(name)}}
assert_not_interned(name)
assert_raise(NameError) {mod.module_eval {attr(name.to_sym)}}
assert_not_pinneddown(name)
end
def test_invalid_attr_reader
name = noninterned_name("*")
mod = Module.new
assert_raise(NameError) {mod.module_eval {attr_reader(name)}}
assert_not_interned(name)
assert_raise(NameError) {mod.module_eval {attr_reader(name.to_sym)}}
assert_not_pinneddown(name)
end
def test_invalid_attr_writer
name = noninterned_name("*")
mod = Module.new
assert_raise(NameError) {mod.module_eval {attr_writer(name)}}
assert_not_interned(name)
assert_raise(NameError) {mod.module_eval {attr_writer(name.to_sym)}}
assert_not_pinneddown(name)
end
def test_invalid_attr_accessor
name = noninterned_name("*")
mod = Module.new
assert_raise(NameError) {mod.module_eval {attr_accessor(name)}}
assert_not_interned(name)
assert_raise(NameError) {mod.module_eval {attr_accessor(name.to_sym)}}
assert_not_pinneddown(name)
end
def test_gc_attrset
assert_separately(['-r-test-/symbol', '-r-ext-/symbol/noninterned_name', '-'], "#{<<-'begin;'}\n#{<<-"end;"}")
bug = '[ruby-core:62226] [Bug #9787]'
include Test_Symbol::NonInterned
names = Array.new(1000) {noninterned_name("gc")}
names.each {|n| n.to_sym}
GC.start(immediate_sweep: false)
names.each do |n|
eval(":#{n}=")
assert_nothing_raised(TypeError, bug) {eval("proc{self.#{n} = nil}")}
end
begin;
end;
end
def test_execopt_key
name = noninterned_name.intern
assert_raise(ArgumentError) {
system(".", name => nil)
}
assert_not_pinneddown(name)
end
def test_execopt_redirect_value
name = noninterned_name.intern
assert_raise(ArgumentError) {
system(".", [] => name)
}
assert_not_pinneddown(name)
end
def test_execopt_redirect_path
name = noninterned_name.intern
assert_raise(TypeError) {
system(".", [] => [name, 0])
}
assert_not_pinneddown(name)
end
def test_execopt_redirect_symbol
name = noninterned_name.intern
assert_raise(ArgumentError) {
system(".", in: name)
}
assert_not_pinneddown(name)
end
def assert_no_immortal_symbol_created(name)
name = noninterned_name(name)
yield(name)
assert_not_pinneddown(name)
end
def assert_no_immortal_symbol_in_method_missing(name)
assert_no_immortal_symbol_created("send should not leak - #{name}") do |name|
assert_raise(NoMethodError) {yield(name)}
end
end
def test_send_leak_string
assert_no_immortal_symbol_in_method_missing("str") do |name|
42.send(name)
end
end
def test_send_leak_symbol
assert_no_immortal_symbol_in_method_missing("sym") do |name|
42.send(name.to_sym)
end
end
def test_send_leak_string_custom_method_missing
x = Object.new
def x.method_missing(*); super; end
assert_no_immortal_symbol_in_method_missing("str mm") do |name|
x.send(name)
end
end
def test_send_leak_symbol_custom_method_missing
x = Object.new
def x.method_missing(*); super; end
assert_no_immortal_symbol_in_method_missing("sym mm") do |name|
x.send(name.to_sym)
end
end
def test_send_leak_string_no_optimization
assert_no_immortal_symbol_in_method_missing("str slow") do |name|
42.method(:send).call(name)
end
end
def test_send_leak_symbol_no_optimization
assert_no_immortal_symbol_in_method_missing("sym slow") do |name|
42.method(:send).call(name.to_sym)
end
end
def test_send_leak_string_custom_method_missing_no_optimization
x = Object.new
def x.method_missing(*); super; end
assert_no_immortal_symbol_in_method_missing("str mm slow") do |name|
x.method(:send).call(name)
end
end
def test_send_leak_symbol_custom_method_missing_no_optimization
x = Object.new
def x.method_missing(*); super; end
assert_no_immortal_symbol_in_method_missing("sym mm slow") do |name|
x.method(:send).call(name.to_sym)
end
end
def test_kwarg_symbol_leak_no_rest
foo = -> (arg: 42) {}
assert_no_immortal_symbol_created("kwarg no rest") do |name|
assert_raise(ArgumentError) { foo.call(name.to_sym => 42) }
end
end
def test_kwarg_symbol_leak_with_rest
foo = -> (arg: 2, **options) {}
assert_no_immortal_symbol_created("kwarg with rest") do |name|
foo.call(name.to_sym => 42)
end
end
def test_kwarg_symbol_leak_just_rest
foo = -> (**options) {}
assert_no_immortal_symbol_created("kwarg just rest") do |name|
foo.call(name.to_sym => 42)
end
end
def test_iv_get
obj = Object.new
assert_no_immortal_symbol_created("rb_iv_get") do |name|
Bug::Symbol.iv_get(obj, name)
end
end
end
end