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-rw-r--r--spec/ruby/core/array/reverse_spec.rb42
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diff --git a/spec/ruby/core/array/reverse_spec.rb b/spec/ruby/core/array/reverse_spec.rb
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+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+
+describe "Array#reverse" do
+ it "returns a new array with the elements in reverse order" do
+ [].reverse.should == []
+ [1, 3, 5, 2].reverse.should == [2, 5, 3, 1]
+ end
+
+ it "properly handles recursive arrays" do
+ empty = ArraySpecs.empty_recursive_array
+ empty.reverse.should == empty
+
+ array = ArraySpecs.recursive_array
+ array.reverse.should == [array, array, array, array, array, 3.0, 'two', 1]
+ end
+
+ it "does not return subclass instance on Array subclasses" do
+ ArraySpecs::MyArray[1, 2, 3].reverse.should be_an_instance_of(Array)
+ end
+end
+
+describe "Array#reverse!" do
+ it "reverses the elements in place" do
+ a = [6, 3, 4, 2, 1]
+ a.reverse!.should equal(a)
+ a.should == [1, 2, 4, 3, 6]
+ [].reverse!.should == []
+ end
+
+ it "properly handles recursive arrays" do
+ empty = ArraySpecs.empty_recursive_array
+ empty.reverse!.should == [empty]
+
+ array = ArraySpecs.recursive_array
+ array.reverse!.should == [array, array, array, array, array, 3.0, 'two', 1]
+ end
+
+ it "raises a RuntimeError on a frozen array" do
+ lambda { ArraySpecs.frozen_array.reverse! }.should raise_error(RuntimeError)
+ end
+end