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Diffstat (limited to 'spec/ruby/core/kernel/shared/dup_clone.rb')
-rw-r--r-- | spec/ruby/core/kernel/shared/dup_clone.rb | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/spec/ruby/core/kernel/shared/dup_clone.rb b/spec/ruby/core/kernel/shared/dup_clone.rb new file mode 100644 index 0000000000..320da8fc38 --- /dev/null +++ b/spec/ruby/core/kernel/shared/dup_clone.rb @@ -0,0 +1,125 @@ +class ObjectSpecDup + def initialize() + @obj = :original + end + + attr_accessor :obj +end + +class ObjectSpecDupInitCopy + def initialize() + @obj = :original + end + + attr_accessor :obj, :original + + def initialize_copy(original) + @obj = :init_copy + @original = original + end + + private :initialize_copy +end + +describe :kernel_dup_clone, shared: true do + it "returns a new object duplicated from the original" do + o = ObjectSpecDup.new + o2 = ObjectSpecDup.new + + o.obj = 10 + + o3 = o.send(@method) + + o3.obj.should == 10 + o2.obj.should == :original + end + + it "produces a shallow copy, contained objects are not recursively dupped" do + o = ObjectSpecDup.new + array = [1, 2] + o.obj = array + + o2 = o.send(@method) + o2.obj.should equal(o.obj) + end + + it "calls #initialize_copy on the NEW object if available, passing in original object" do + o = ObjectSpecDupInitCopy.new + o2 = o.send(@method) + + o.obj.should == :original + o2.obj.should == :init_copy + o2.original.should equal(o) + end + + it "preserves tainted state from the original" do + o = ObjectSpecDupInitCopy.new + o2 = o.send(@method) + o.taint + o3 = o.send(@method) + + o2.tainted?.should == false + o3.tainted?.should == true + end + + it "does not preserve the object_id" do + o1 = ObjectSpecDupInitCopy.new + old_object_id = o1.object_id + o2 = o1.send(@method) + o2.object_id.should_not == old_object_id + end + + it "preserves untrusted state from the original" do + o = ObjectSpecDupInitCopy.new + o2 = o.send(@method) + o.untrust + o3 = o.send(@method) + + o2.untrusted?.should == false + o3.untrusted?.should == true + end + + ruby_version_is ''...'2.4' do + it "raises a TypeError for NilClass" do + lambda { nil.send(@method) }.should raise_error(TypeError) + end + + it "raises a TypeError for TrueClass" do + lambda { true.send(@method) }.should raise_error(TypeError) + end + + it "raises a TypeError for FalseClass" do + lambda { false.send(@method) }.should raise_error(TypeError) + end + + it "raises a TypeError for Fixnum" do + lambda { 1.send(@method) }.should raise_error(TypeError) + end + + it "raises a TypeError for Symbol" do + lambda { :my_symbol.send(@method) }.should raise_error(TypeError) + end + end + + ruby_version_is '2.4' do + it "returns nil for NilClass" do + nil.send(@method).should == nil + end + + it "returns true for TrueClass" do + true.send(@method).should == true + end + + it "returns false for FalseClass" do + false.send(@method).should == false + end + + it "returns the same Integer for Integer" do + 1.send(@method).should == 1 + end + + it "returns the same Symbol for Symbol" do + :my_symbol.send(@method).should == :my_symbol + end + end +end |