diff options
-rw-r--r-- | ChangeLog | 8 | ||||
-rw-r--r-- | enumerator.c | 1 | ||||
-rw-r--r-- | test/ruby/test_enumerator.rb | 10 |
3 files changed, 19 insertions, 0 deletions
@@ -1,3 +1,11 @@ +Mon Jul 29 20:53:24 2013 Akinori MUSHA <knu@iDaemons.org> + + * enumerator.c (enumerator_init): Add a frozenness check to + prevent a frozen Enumerator object from being reinitialized with + a different enumerable object. This is the least we should do, + and more fixes will follow. [Fixes GH-368] Patch by Kenichi + Kamiya. + Mon Jul 29 20:14:24 2013 Masaki Matsushita <glass.saga@gmail.com> * hash.c (rb_hash_assoc): revert r42224. table->type->compare is diff --git a/enumerator.c b/enumerator.c index 662056d5a5..54cbdc482b 100644 --- a/enumerator.c +++ b/enumerator.c @@ -270,6 +270,7 @@ enumerator_init(VALUE enum_obj, VALUE obj, VALUE meth, int argc, VALUE *argv, rb { struct enumerator *ptr; + rb_check_frozen(enum_obj); TypedData_Get_Struct(enum_obj, struct enumerator, &enumerator_data_type, ptr); if (!ptr) { diff --git a/test/ruby/test_enumerator.rb b/test/ruby/test_enumerator.rb index 69032fc96b..07f10dd041 100644 --- a/test/ruby/test_enumerator.rb +++ b/test/ruby/test_enumerator.rb @@ -67,6 +67,16 @@ class TestEnumerator < Test::Unit::TestCase assert_match 'Enumerator.new without a block is deprecated', err assert_equal([1, 2, 3], Enumerator.new { |y| i = 0; loop { y << (i += 1) } }.take(3)) assert_raise(ArgumentError) { Enumerator.new } + + enum = @obj.to_enum + assert_raise(NoMethodError) { enum.each {} } + enum.freeze + assert_raise(RuntimeError) { + capture_io do + # warning: Enumerator.new without a block is deprecated; use Object#to_enum + enum.__send__(:initialize, @obj, :foo) + end + } end def test_initialize_copy |