32 lines
613 B
Ruby
32 lines
613 B
Ruby
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require File.dirname(__FILE__) + '/../../abstract_unit'
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module AttributeAliasing
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class Content
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attr_accessor :title
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def title?
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!title.nil?
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end
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end
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class Email < Content
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alias_attribute :subject, :title
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end
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end
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class AttributeAliasingTest < Test::Unit::TestCase
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def test_attribute_alias
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e = AttributeAliasing::Email.new
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assert !e.subject?
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e.title = "Upgrade computer"
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assert_equal "Upgrade computer", e.subject
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assert e.subject?
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e.subject = "We got a long way to go"
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assert_equal "We got a long way to go", e.title
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assert e.title?
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end
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end
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