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author | Jeremy Evans <code@jeremyevans.net> | 2019-09-23 16:03:15 -0700 |
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committer | Jeremy Evans <code@jeremyevans.net> | 2020-03-22 09:30:07 -0700 |
commit | 4f7b435c955792af780fe9e94f98d3dde839e056 (patch) | |
tree | e6d3a5433aca7a48b79eba02056cc905dc3c88c4 /test/ruby/test_object.rb | |
parent | 095e9f57af30fc286ba66557d86f080003ab6d5a (diff) |
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]
Notes
Notes:
Merged: https://github.com/ruby/ruby/pull/2969
Diffstat (limited to 'test/ruby/test_object.rb')
-rw-r--r-- | test/ruby/test_object.rb | 12 |
1 files changed, 12 insertions, 0 deletions
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) |