81 lines
1.5 KiB
Ruby
81 lines
1.5 KiB
Ruby
require 'test/unit'
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class TestClass < Test::Unit::TestCase
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# ------------------
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# Various test classes
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# ------------------
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class ClassOne
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attr :num_args
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@@subs = []
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def initialize(*args)
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@num_args = args.size
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@args = args
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end
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def [](n)
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@args[n]
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end
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def ClassOne.inherited(klass)
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@@subs.push klass
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end
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def subs
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@@subs
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end
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end
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class ClassTwo < ClassOne
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end
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class ClassThree < ClassOne
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end
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class ClassFour < ClassThree
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end
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# ------------------
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# Start of tests
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# ------------------
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def test_s_inherited
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assert_equal([ClassTwo, ClassThree, ClassFour], ClassOne.new.subs)
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end
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def test_s_new
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c = Class.new
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assert_same(Class, c.class)
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assert_same(Object, c.superclass)
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c = Class.new(Fixnum)
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assert_same(Class, c.class)
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assert_same(Fixnum, c.superclass)
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end
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def test_00_new_basic
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a = ClassOne.new
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assert_equal(ClassOne, a.class)
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assert_equal(0, a.num_args)
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a = ClassOne.new(1, 2, 3)
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assert_equal(3, a.num_args)
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assert_equal(1, a[0])
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end
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def test_01_new_inherited
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a = ClassTwo.new
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assert_equal(ClassTwo, a.class)
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assert_equal(0, a.num_args)
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a = ClassTwo.new(1, 2, 3)
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assert_equal(3, a.num_args)
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assert_equal(1, a[0])
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end
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def test_superclass
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assert_equal(ClassOne, ClassTwo.superclass)
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assert_equal(Object, ClassTwo.superclass.superclass)
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assert_equal(BasicObject, ClassTwo.superclass.superclass.superclass)
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end
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end
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