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Contents
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
ruby_version_is "" ... "1.9.3" do
it "returns subclass instance on Array subclasses" do
ArraySpecs::MyArray[1, 2, 3].reverse.should be_kind_of(ArraySpecs::MyArray)
end
end
ruby_version_is "1.9.3" do
it "does not return subclass instance on Array subclasses" do
ArraySpecs::MyArray[1, 2, 3].reverse.should be_kind_of(Array)
end
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
ruby_version_is "" ... "1.9" do
it "raises a TypeError on a frozen array" do
lambda { ArraySpecs.frozen_array.reverse! }.should raise_error(TypeError)
end
end
ruby_version_is "1.9" do
it "raises a RuntimeError on a frozen array" do
lambda { ArraySpecs.frozen_array.reverse! }.should raise_error(RuntimeError)
end
end
end
Version data entries
53 entries across 53 versions & 3 rubygems