diff options
| -rw-r--r-- | range.c | 1 | ||||
| -rw-r--r-- | test/ruby/test_range.rb | 6 |
2 files changed, 7 insertions, 0 deletions
@@ -80,6 +80,7 @@ rb_range_new(VALUE beg, VALUE end, int exclude_end) static void range_modify(VALUE range) { + rb_check_frozen(range); /* Ranges are immutable, so that they should be initialized only once. */ if (RANGE_EXCL(range) != Qnil) { rb_name_err_raise("`initialize' called twice", range, ID2SYM(idInitialize)); diff --git a/test/ruby/test_range.rb b/test/ruby/test_range.rb index cfd8b502ed..a70361d6cb 100644 --- a/test/ruby/test_range.rb +++ b/test/ruby/test_range.rb @@ -11,6 +11,12 @@ class TestRange < Test::Unit::TestCase assert_equal((0...2), Range.new(0, 2, true)) end + def test_frozen_initialize + r = Range.allocate + r.freeze + assert_raise(RuntimeError){r.__send__(:initialize, 1, 2)} + end + def test_range_string # XXX: Is this really the test of Range? assert_equal([], ("a" ... "a").to_a) |