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author | Benoit Daloze <eregontp@gmail.com> | 2020-06-27 15:51:37 +0200 |
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committer | Benoit Daloze <eregontp@gmail.com> | 2020-06-27 15:51:37 +0200 |
commit | b3fa158d1c4d8e03b8dc04f1e4f9940a8a4ef44c (patch) | |
tree | fa8a62d6192c24a21e70aa02589507adfe4e4e6a /spec/ruby/core/kernel/initialize_copy_spec.rb | |
parent | 64d8c0815e6ab042e8a67a670bda9f34404fa662 (diff) |
Update to ruby/spec@b6b7752
Diffstat (limited to 'spec/ruby/core/kernel/initialize_copy_spec.rb')
-rw-r--r-- | spec/ruby/core/kernel/initialize_copy_spec.rb | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/spec/ruby/core/kernel/initialize_copy_spec.rb b/spec/ruby/core/kernel/initialize_copy_spec.rb new file mode 100644 index 0000000000..fe08d184ad --- /dev/null +++ b/spec/ruby/core/kernel/initialize_copy_spec.rb @@ -0,0 +1,29 @@ +require_relative '../../spec_helper' + +describe "Kernel#initialize_copy" do + it "does nothing if the argument is the same as the receiver" do + obj = Object.new + obj.send(:initialize_copy, obj).should.equal?(obj) + obj.freeze + obj.send(:initialize_copy, obj).should.equal?(obj) + 1.send(:initialize_copy, 1).should.equal?(1) + end + + it "raises FrozenError if the receiver is frozen" do + -> { Object.new.freeze.send(:initialize_copy, Object.new) }.should raise_error(FrozenError) + -> { 1.send(:initialize_copy, Object.new) }.should raise_error(FrozenError) + end + + it "raises TypeError if the objects are of different class" do + klass = Class.new + sub = Class.new(klass) + a = klass.new + b = sub.new + message = 'initialize_copy should take same class object' + -> { a.send(:initialize_copy, b) }.should raise_error(TypeError, message) + -> { b.send(:initialize_copy, a) }.should raise_error(TypeError, message) + + -> { a.send(:initialize_copy, 1) }.should raise_error(TypeError, message) + -> { a.send(:initialize_copy, 1.0) }.should raise_error(TypeError, message) + end +end |