From 4f7b435c955792af780fe9e94f98d3dde839e056 Mon Sep 17 00:00:00 2001 From: Jeremy Evans Date: Mon, 23 Sep 2019 16:03:15 -0700 Subject: Support obj.clone(freeze: true) for freezing clone This freezes the clone even if the receiver is not frozen. It is only for consistency with freeze: false not freezing the clone even if the receiver is frozen. Because Object#clone is now partially implemented in Ruby and not fully implemented in C, freeze: nil must be supported to provide the default behavior of only freezing the clone if the receiver is frozen. This requires modifying delegate and set, to set freeze: nil instead of freeze: true as the keyword parameter for initialize_clone. Those are the two libraries in stdlib that override initialize_clone. Implements [Feature #16175] --- test/ruby/test_object.rb | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'test/ruby/test_object.rb') diff --git a/test/ruby/test_object.rb b/test/ruby/test_object.rb index 55709bf3dc..3aa0a1b652 100644 --- a/test/ruby/test_object.rb +++ b/test/ruby/test_object.rb @@ -47,15 +47,27 @@ class TestObject < Test::Unit::TestCase a = Object.new def a.b; 2 end + c = a.clone + assert_equal(false, c.frozen?) + assert_equal(false, a.frozen?) + assert_equal(2, c.b) + + c = a.clone(freeze: true) + assert_equal(true, c.frozen?) + assert_equal(false, a.frozen?) + assert_equal(2, c.b) + a.freeze c = a.clone assert_equal(true, c.frozen?) + assert_equal(true, a.frozen?) assert_equal(2, c.b) assert_raise(ArgumentError) {a.clone(freeze: [])} d = a.clone(freeze: false) def d.e; 3; end assert_equal(false, d.frozen?) + assert_equal(true, a.frozen?) assert_equal(2, d.b) assert_equal(3, d.e) -- cgit v1.2.3