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describe :array_replace, shared: true do
it "replaces the elements with elements from other array" do
a = [1, 2, 3, 4, 5]
b = ['a', 'b', 'c']
a.send(@method, b).should equal(a)
a.should == b
a.should_not equal(b)
a.send(@method, [4] * 10)
a.should == [4] * 10
a.send(@method, [])
a.should == []
end
it "properly handles recursive arrays" do
orig = [1, 2, 3]
empty = ArraySpecs.empty_recursive_array
orig.send(@method, empty)
orig.should == empty
array = ArraySpecs.recursive_array
orig.send(@method, array)
orig.should == array
end
it "returns self" do
ary = [1, 2, 3]
other = [:a, :b, :c]
ary.send(@method, other).should equal(ary)
end
it "does not make self dependent to the original array" do
ary = [1, 2, 3]
other = [:a, :b, :c]
ary.send(@method, other)
ary.should == [:a, :b, :c]
ary << :d
ary.should == [:a, :b, :c, :d]
other.should == [:a, :b, :c]
end
it "tries to convert the passed argument to an Array using #to_ary" do
obj = mock('to_ary')
obj.stub!(:to_ary).and_return([1, 2, 3])
[].send(@method, obj).should == [1, 2, 3]
end
it "does not call #to_ary on Array subclasses" do
obj = ArraySpecs::ToAryArray[5, 6, 7]
obj.should_not_receive(:to_ary)
[].send(@method, ArraySpecs::ToAryArray[5, 6, 7]).should == [5, 6, 7]
end
it "raises a RuntimeError on a frozen array" do
lambda {
ArraySpecs.frozen_array.send(@method, ArraySpecs.frozen_array)
}.should raise_error(RuntimeError)
end
end
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