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	* rational.c (f_round_common): Rational is expected to be returned by Rational#*, but mathn.rb breaks that assumption. [ruby-core:56177] [Bug #8687] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42178 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
		
			
				
	
	
		
			118 lines
		
	
	
	
		
			4 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			118 lines
		
	
	
	
		
			4 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
require 'test/unit'
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require_relative 'ruby/envutil'
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# mathn redefines too much. It must be isolated to child processes.
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class TestMathn < Test::Unit::TestCase
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  def test_power
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    assert_in_out_err ['-r', 'mathn', '-e', 'a=1**2;!a'], "", [], [], '[ruby-core:25740]'
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    assert_in_out_err ['-r', 'mathn', '-e', 'a=(1 << 126)**2;!a'], "", [], [], '[ruby-core:25740]'
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    assert_in_out_err ['-r', 'mathn/complex', '-e', 'a=Complex(0,1)**4;!a'], "", [], [], '[ruby-core:44170]'
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    assert_in_out_err ['-r', 'mathn/complex', '-e', 'a=Complex(0,1)**5;!a'], "", [], [], '[ruby-core:44170]'
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  end
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  def test_quo
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    assert_in_out_err ['-r', 'mathn'], <<-EOS, %w(OK), [], '[ruby-core:41575]'
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      1.quo(2); puts :OK
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    EOS
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  end
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  def test_floor
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    assert_separately(%w[-rmathn], <<-EOS)
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      assert_equal( 2, ( 13/5).floor)
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      assert_equal( 2, (  5/2).floor)
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      assert_equal( 2, ( 12/5).floor)
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      assert_equal(-3, (-12/5).floor)
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      assert_equal(-3, ( -5/2).floor)
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      assert_equal(-3, (-13/5).floor)
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      assert_equal( 2, ( 13/5).floor(0))
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      assert_equal( 2, (  5/2).floor(0))
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      assert_equal( 2, ( 12/5).floor(0))
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      assert_equal(-3, (-12/5).floor(0))
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      assert_equal(-3, ( -5/2).floor(0))
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      assert_equal(-3, (-13/5).floor(0))
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      assert_equal(( 13/5), ( 13/5).floor(2))
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      assert_equal((  5/2), (  5/2).floor(2))
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      assert_equal(( 12/5), ( 12/5).floor(2))
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      assert_equal((-12/5), (-12/5).floor(2))
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      assert_equal(( -5/2), ( -5/2).floor(2))
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      assert_equal((-13/5), (-13/5).floor(2))
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    EOS
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  end
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  def test_ceil
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    assert_separately(%w[-rmathn], <<-EOS)
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      assert_equal( 3, ( 13/5).ceil)
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      assert_equal( 3, (  5/2).ceil)
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      assert_equal( 3, ( 12/5).ceil)
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      assert_equal(-2, (-12/5).ceil)
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      assert_equal(-2, ( -5/2).ceil)
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      assert_equal(-2, (-13/5).ceil)
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      assert_equal( 3, ( 13/5).ceil(0))
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      assert_equal( 3, (  5/2).ceil(0))
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      assert_equal( 3, ( 12/5).ceil(0))
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      assert_equal(-2, (-12/5).ceil(0))
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      assert_equal(-2, ( -5/2).ceil(0))
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      assert_equal(-2, (-13/5).ceil(0))
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      assert_equal(( 13/5), ( 13/5).ceil(2))
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      assert_equal((  5/2), (  5/2).ceil(2))
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      assert_equal(( 12/5), ( 12/5).ceil(2))
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      assert_equal((-12/5), (-12/5).ceil(2))
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      assert_equal(( -5/2), ( -5/2).ceil(2))
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      assert_equal((-13/5), (-13/5).ceil(2))
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    EOS
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  end
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  def test_truncate
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    assert_separately(%w[-rmathn], <<-EOS)
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      assert_equal( 2, ( 13/5).truncate)
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      assert_equal( 2, (  5/2).truncate)
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      assert_equal( 2, ( 12/5).truncate)
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      assert_equal(-2, (-12/5).truncate)
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      assert_equal(-2, ( -5/2).truncate)
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      assert_equal(-2, (-13/5).truncate)
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      assert_equal( 2, ( 13/5).truncate(0))
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      assert_equal( 2, (  5/2).truncate(0))
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      assert_equal( 2, ( 12/5).truncate(0))
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      assert_equal(-2, (-12/5).truncate(0))
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      assert_equal(-2, ( -5/2).truncate(0))
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      assert_equal(-2, (-13/5).truncate(0))
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      assert_equal(( 13/5), ( 13/5).truncate(2))
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      assert_equal((  5/2), (  5/2).truncate(2))
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      assert_equal(( 12/5), ( 12/5).truncate(2))
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      assert_equal((-12/5), (-12/5).truncate(2))
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      assert_equal(( -5/2), ( -5/2).truncate(2))
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      assert_equal((-13/5), (-13/5).truncate(2))
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    EOS
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  end
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  def test_round
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    assert_separately(%w[-rmathn], <<-EOS)
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      assert_equal( 3, ( 13/5).round)
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      assert_equal( 3, (  5/2).round)
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      assert_equal( 2, ( 12/5).round)
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      assert_equal(-2, (-12/5).round)
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      assert_equal(-3, ( -5/2).round)
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      assert_equal(-3, (-13/5).round)
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      assert_equal( 3, ( 13/5).round(0))
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      assert_equal( 3, (  5/2).round(0))
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      assert_equal( 2, ( 12/5).round(0))
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      assert_equal(-2, (-12/5).round(0))
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      assert_equal(-3, ( -5/2).round(0))
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      assert_equal(-3, (-13/5).round(0))
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      assert_equal(( 13/5), ( 13/5).round(2))
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      assert_equal((  5/2), (  5/2).round(2))
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      assert_equal(( 12/5), ( 12/5).round(2))
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      assert_equal((-12/5), (-12/5).round(2))
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      assert_equal(( -5/2), ( -5/2).round(2))
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      assert_equal((-13/5), (-13/5).round(2))
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    EOS
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  end
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end
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