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631dde2572
* numeric.c (round_half_down, int_round_half_down): support round-down mode. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56897 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
183 lines
7 KiB
Ruby
183 lines
7 KiB
Ruby
# frozen_string_literal: false
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require 'test/unit'
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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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stderr = $VERBOSE ? ["lib/mathn.rb is deprecated"] : []
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assert_in_out_err ['-r', 'mathn', '-e', 'a=1**2;!a'], "", [], stderr, '[ruby-core:25740]'
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assert_in_out_err ['-r', 'mathn', '-e', 'a=(1 << 126)**2;!a'], "", [], stderr, '[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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stderr = $VERBOSE ? ["lib/mathn.rb is deprecated"] : []
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assert_in_out_err ['-r', 'mathn'], <<-EOS, %w(OK), stderr, '[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, ignore_stderr: true)
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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, ignore_stderr: true)
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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, ignore_stderr: true)
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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, ignore_stderr: true)
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assert_equal( 3, ( 13/5).round)
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assert_equal( 2, ( 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(-2, ( -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( 2, ( 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(-2, ( -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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assert_equal( 3, ( 13/5).round(half: :even))
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assert_equal( 2, ( 5/2).round(half: :even))
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assert_equal( 2, ( 12/5).round(half: :even))
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assert_equal(-2, (-12/5).round(half: :even))
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assert_equal(-2, ( -5/2).round(half: :even))
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assert_equal(-3, (-13/5).round(half: :even))
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assert_equal( 3, ( 13/5).round(0, half: :even))
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assert_equal( 2, ( 5/2).round(0, half: :even))
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assert_equal( 2, ( 12/5).round(0, half: :even))
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assert_equal(-2, (-12/5).round(0, half: :even))
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assert_equal(-2, ( -5/2).round(0, half: :even))
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assert_equal(-3, (-13/5).round(0, half: :even))
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assert_equal(( 13/5), ( 13/5).round(2, half: :even))
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assert_equal(( 5/2), ( 5/2).round(2, half: :even))
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assert_equal(( 12/5), ( 12/5).round(2, half: :even))
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assert_equal((-12/5), (-12/5).round(2, half: :even))
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assert_equal(( -5/2), ( -5/2).round(2, half: :even))
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assert_equal((-13/5), (-13/5).round(2, half: :even))
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assert_equal( 3, ( 13/5).round(half: :up))
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assert_equal( 3, ( 5/2).round(half: :up))
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assert_equal( 2, ( 12/5).round(half: :up))
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assert_equal(-2, (-12/5).round(half: :up))
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assert_equal(-3, ( -5/2).round(half: :up))
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assert_equal(-3, (-13/5).round(half: :up))
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assert_equal( 3, ( 13/5).round(0, half: :up))
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assert_equal( 3, ( 5/2).round(0, half: :up))
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assert_equal( 2, ( 12/5).round(0, half: :up))
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assert_equal(-2, (-12/5).round(0, half: :up))
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assert_equal(-3, ( -5/2).round(0, half: :up))
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assert_equal(-3, (-13/5).round(0, half: :up))
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assert_equal(( 13/5), ( 13/5).round(2, half: :up))
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assert_equal(( 5/2), ( 5/2).round(2, half: :up))
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assert_equal(( 12/5), ( 12/5).round(2, half: :up))
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assert_equal((-12/5), (-12/5).round(2, half: :up))
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assert_equal(( -5/2), ( -5/2).round(2, half: :up))
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assert_equal((-13/5), (-13/5).round(2, half: :up))
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assert_equal( 3, ( 13/5).round(half: :down))
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assert_equal( 2, ( 5/2).round(half: :down))
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assert_equal( 2, ( 12/5).round(half: :down))
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assert_equal(-2, (-12/5).round(half: :down))
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assert_equal(-2, ( -5/2).round(half: :down))
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assert_equal(-3, (-13/5).round(half: :down))
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assert_equal( 3, ( 13/5).round(0, half: :down))
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assert_equal( 2, ( 5/2).round(0, half: :down))
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assert_equal( 2, ( 12/5).round(0, half: :down))
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assert_equal(-2, (-12/5).round(0, half: :down))
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assert_equal(-2, ( -5/2).round(0, half: :down))
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assert_equal(-3, (-13/5).round(0, half: :down))
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assert_equal(( 13/5), ( 13/5).round(2, half: :down))
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assert_equal(( 5/2), ( 5/2).round(2, half: :down))
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assert_equal(( 12/5), ( 12/5).round(2, half: :down))
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assert_equal((-12/5), (-12/5).round(2, half: :down))
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assert_equal(( -5/2), ( -5/2).round(2, half: :down))
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assert_equal((-13/5), (-13/5).round(2, half: :down))
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EOS
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end
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end
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