30 lines
1.1 KiB
Ruby
30 lines
1.1 KiB
Ruby
require 'test/unit'
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require File.dirname(__FILE__) + '/../../lib/active_support/core_ext/fixnum'
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class FixnumExtTest < Test::Unit::TestCase
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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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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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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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end
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def test_multiple_of
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assert [ -7, 0, 7, 14 ].all? { |i| i.multiple_of? 7 }
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assert ![ -7, 0, 7, 14 ].all? { |i| i.multiple_of? 6 }
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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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end
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