Sha256: 3a29e0fa67e85812dd8fc8e058453daab4630e2f8f3260f7e9c9a11fa2935deb
Contents?: true
Size: 828 Bytes
Versions: 6
Compression:
Stored size: 828 Bytes
Contents
# backtick_javascript: true
describe "Array#dup" do
it "should use slice optimization" do
a = Array.new
`a.slice = function() { return ['sliced'] }`
lambda { a.dup }.should_not raise_error
a.dup.should == ['sliced']
end
it "should use slice optimization on Array subclass" do
subclass = Class.new(Array)
a = subclass.new
`a.slice = function() { return ['sliced'] }`
lambda { a.dup }.should_not raise_error
a.dup.should == ['sliced']
end
it "should not use slice optimization when allocation is redefined" do
subclass = Class.new(Array)
a = subclass.new
subclass.define_singleton_method(:allocate) { raise 'Overriden method, no slice optimization for you!' }
lambda { a.dup }.should raise_error # dup should call allocate because the method is overriden
end
end
Version data entries
6 entries across 6 versions & 1 rubygems