2008-01-05 13:31:04 +00:00
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require 'abstract_unit'
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2005-04-05 16:54:17 +00:00
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2005-07-19 12:58:01 +00:00
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class IntegerExtTest < Test::Unit::TestCase
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2005-04-05 16:54:17 +00:00
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def test_even
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assert [ -2, 0, 2, 4 ].all? { |i| i.even? }
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assert ![ -1, 1, 3 ].all? { |i| i.even? }
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2006-07-08 18:14:49 +00:00
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2005-06-21 07:00:28 +00:00
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assert 22953686867719691230002707821868552601124472329079.odd?
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assert !22953686867719691230002707821868552601124472329079.even?
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assert 22953686867719691230002707821868552601124472329080.even?
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assert !22953686867719691230002707821868552601124472329080.odd?
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2005-04-05 16:54:17 +00:00
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end
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def test_odd
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assert ![ -2, 0, 2, 4 ].all? { |i| i.odd? }
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assert [ -1, 1, 3 ].all? { |i| i.odd? }
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2005-07-19 12:58:01 +00:00
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assert 1000000000000000000000000000000000000000000000000000000001.odd?
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2005-04-05 16:54:17 +00:00
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end
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2006-07-08 18:14:49 +00:00
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2005-06-21 07:00:28 +00:00
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def test_multiple_of
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2005-07-19 12:58:01 +00:00
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[ -7, 0, 7, 14 ].each { |i| assert i.multiple_of?(7) }
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[ -7, 7, 14 ].each { |i| assert ! i.multiple_of?(6) }
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2005-06-21 07:00:28 +00:00
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# test with a prime
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assert !22953686867719691230002707821868552601124472329079.multiple_of?(2)
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assert !22953686867719691230002707821868552601124472329079.multiple_of?(3)
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assert !22953686867719691230002707821868552601124472329079.multiple_of?(5)
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assert !22953686867719691230002707821868552601124472329079.multiple_of?(7)
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end
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2005-07-18 02:16:17 +00:00
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def test_ordinalize
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# These tests are mostly just to ensure that the ordinalize method exists
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# It's results are tested comprehensively in the inflector test cases.
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assert_equal '1st', 1.ordinalize
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assert_equal '8th', 8.ordinalize
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2005-07-19 12:58:01 +00:00
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1000000000000000000000000000000000000000000000000000000000000000000000.ordinalize
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2005-07-18 02:16:17 +00:00
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end
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2005-04-05 16:54:17 +00:00
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end
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