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Contents
require File.dirname(File.join(__rhoGetCurrentDir(), __FILE__)) + '/../../spec_helper'
require File.dirname(File.join(__rhoGetCurrentDir(), __FILE__)) + '/fixtures/classes'
describe "Kernel#Array" do
it "is a private method" do
Kernel.should have_private_instance_method(:Array)
end
it "does not call #to_ary on an Array" do
obj = [1,2,3]
obj.should_not_receive(:to_ary)
Array(obj).should == [1, 2, 3]
end
it "tries to call #to_ary on the given argument if it's not an Array" do
(obj = mock('[1,2,3]')).should_receive(:to_ary).and_return([1, 2, 3])
obj.should_not_receive(:to_a)
Array(obj).should == [1, 2, 3]
end
it "does not call #to_a on an Array" do
obj = [1,2,3]
obj.should_not_receive(:to_a)
Array(obj).should == [1, 2, 3]
end
it "tries to call #to_a on the given argument if #to_ary is not provided" do
(obj = mock('[4,5,6]')).should_receive(:to_a).and_return([4, 5, 6])
Array(obj).should == [4, 5, 6]
end
it "returns an array with the given argument if neither #to_ary nor #to_a are provided" do
obj = mock('x')
Array(obj).should == [obj]
end
it "returns an empty array if the given argument is nil" do
Array(nil).should == []
end
it "raises a TypeError if #to_ary / #to_a do not return an array" do
(obj = mock('ha!')).should_receive(:to_a).and_return("ha!")
lambda { Array(obj) }.should raise_error(TypeError)
obj.should_receive(:to_ary).and_return("ha!")
lambda { Array(obj) }.should raise_error(TypeError)
end
end
Version data entries
83 entries across 83 versions & 1 rubygems