From 4760b9824fc4e6ce195249e7b1101bce714b12bd Mon Sep 17 00:00:00 2001 From: nobu Date: Tue, 26 Nov 2013 17:27:01 +0000 Subject: string.c: fix memsize of frozen shared string * string.c (str_new4): copy the original capacity so that memsize of frozen shared string returns correct size. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43862 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- test/objspace/test_objspace.rb | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'test/objspace') diff --git a/test/objspace/test_objspace.rb b/test/objspace/test_objspace.rb index f3bb3cd8c6..83cd6d3ca0 100644 --- a/test/objspace/test_objspace.rb +++ b/test/objspace/test_objspace.rb @@ -24,6 +24,14 @@ class TestObjSpace < Test::Unit::TestCase ObjectSpace.memsize_of(//.match(""))) end + def test_memsize_of_root_shared_string + a = "hello" * 5 + b = a.dup + c = nil + ObjectSpace.each_object(String) {|x| break c = x if x == a and x.frozen?} + assert_equal([0, 0, 26], [a, b, c].map {|x| ObjectSpace.memsize_of(x)}) + end + def test_argf_memsize size = ObjectSpace.memsize_of(ARGF) assert_kind_of(Integer, size) -- cgit v1.2.3