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ruby--ruby/test/-ext-/string/test_fstring.rb
nagachika 018eeaf276 merge revision(s) 56747,56754,56777: [Backport #12923] [Backport #12930] [Backport #13238]
class.c: no fstring singleton class

	* class.c (singleton_class_of): prohibit fstrings from creating
	  singleton classes.
	  temporary measure for [ruby-dev:49867] [Bug #12923]
	test_fstring.rb: fix exception

	* test/-ext-/string/test_fstring.rb (test_singleton_class): fix
	  expected exception class.  [ruby-dev:49867] [Bug #12923]
	vm_eval.c: fstring instance_eval

	* vm_eval.c (singleton_class_for_eval): enable fstring singleton
	  class for instance_eval.  [ruby-core:78116] [Bug #12930]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@58157 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-03-27 15:08:54 +00:00

74 lines
1.8 KiB
Ruby

# frozen_string_literal: false
require 'test/unit'
require '-test-/string'
require_relative '../symbol/noninterned_name'
class Test_String_Fstring < Test::Unit::TestCase
include Test_Symbol::NonInterned
def assert_fstring(str)
fstr = Bug::String.fstring(str)
yield str
yield fstr
end
def test_taint_shared_string
str = __method__.to_s.dup
str.taint
assert_fstring(str) {|s| assert_predicate(s, :tainted?)}
end
def test_taint_normal_string
str = __method__.to_s * 3
str.taint
assert_fstring(str) {|s| assert_predicate(s, :tainted?)}
end
def test_taint_registered_tainted
str = __method__.to_s * 3
str.taint
assert_fstring(str) {|s| assert_predicate(s, :tainted?)}
str = __method__.to_s * 3
assert_fstring(str) {|s| assert_not_predicate(s, :tainted?)}
end
def test_taint_registered_untainted
str = __method__.to_s * 3
assert_fstring(str) {|s| assert_not_predicate(s, :tainted?)}
str = __method__.to_s * 3
str.taint
assert_fstring(str) {|s| assert_predicate(s, :tainted?)}
end
def test_instance_variable
str = __method__.to_s * 3
str.instance_variable_set(:@test, 42)
str.freeze
assert_fstring(str) {|s| assert_send([s, :instance_variable_defined?, :@test])}
end
def test_singleton_method
str = __method__.to_s * 3
def str.foo
end
str.freeze
assert_fstring(str) {|s| assert_send([s, :respond_to?, :foo])}
end
def test_singleton_class
str = noninterned_name.force_encoding("us-ascii")
fstr = Bug::String.fstring(str)
assert_raise(TypeError) {fstr.singleton_class}
end
class S < String
end
def test_subclass
str = S.new(__method__.to_s * 3)
str.freeze
assert_fstring(str) {|s| assert_instance_of(S, s)}
end
end