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require 'test/unit'
# mathn redefines too much. It must be isolated to child processes.
class TestMathn < Test::Unit::TestCase
def test_power
stderr = $VERBOSE ? ["lib/mathn.rb is deprecated"] : []
assert_in_out_err ['-r', 'mathn', '-e', 'a=1**2;!a'], "", [], stderr, '[ruby-core:25740]'
assert_in_out_err ['-r', 'mathn', '-e', 'a=(1 << 126)**2;!a'], "", [], stderr, '[ruby-core:25740]'
assert_in_out_err ['-r', 'mathn/complex', '-e', 'a=Complex(0,1)**4;!a'], "", [], [], '[ruby-core:44170]'
assert_in_out_err ['-r', 'mathn/complex', '-e', 'a=Complex(0,1)**5;!a'], "", [], [], '[ruby-core:44170]'
end
def test_quo
stderr = $VERBOSE ? ["lib/mathn.rb is deprecated"] : []
assert_in_out_err ['-r', 'mathn'], <<-EOS, %w(OK), stderr, '[ruby-core:41575]'
1.quo(2); puts :OK
EOS
end
def test_floor
assert_separately(%w[-rmathn], <<-EOS, ignore_stderr: true)
assert_equal( 2, ( 13/5).floor)
assert_equal( 2, ( 5/2).floor)
assert_equal( 2, ( 12/5).floor)
assert_equal(-3, (-12/5).floor)
assert_equal(-3, ( -5/2).floor)
assert_equal(-3, (-13/5).floor)
assert_equal( 2, ( 13/5).floor(0))
assert_equal( 2, ( 5/2).floor(0))
assert_equal( 2, ( 12/5).floor(0))
assert_equal(-3, (-12/5).floor(0))
assert_equal(-3, ( -5/2).floor(0))
assert_equal(-3, (-13/5).floor(0))
assert_equal(( 13/5), ( 13/5).floor(2))
assert_equal(( 5/2), ( 5/2).floor(2))
assert_equal(( 12/5), ( 12/5).floor(2))
assert_equal((-12/5), (-12/5).floor(2))
assert_equal(( -5/2), ( -5/2).floor(2))
assert_equal((-13/5), (-13/5).floor(2))
EOS
end
def test_ceil
assert_separately(%w[-rmathn], <<-EOS, ignore_stderr: true)
assert_equal( 3, ( 13/5).ceil)
assert_equal( 3, ( 5/2).ceil)
assert_equal( 3, ( 12/5).ceil)
assert_equal(-2, (-12/5).ceil)
assert_equal(-2, ( -5/2).ceil)
assert_equal(-2, (-13/5).ceil)
assert_equal( 3, ( 13/5).ceil(0))
assert_equal( 3, ( 5/2).ceil(0))
assert_equal( 3, ( 12/5).ceil(0))
assert_equal(-2, (-12/5).ceil(0))
assert_equal(-2, ( -5/2).ceil(0))
assert_equal(-2, (-13/5).ceil(0))
assert_equal(( 13/5), ( 13/5).ceil(2))
assert_equal(( 5/2), ( 5/2).ceil(2))
assert_equal(( 12/5), ( 12/5).ceil(2))
assert_equal((-12/5), (-12/5).ceil(2))
assert_equal(( -5/2), ( -5/2).ceil(2))
assert_equal((-13/5), (-13/5).ceil(2))
EOS
end
def test_truncate
assert_separately(%w[-rmathn], <<-EOS, ignore_stderr: true)
assert_equal( 2, ( 13/5).truncate)
assert_equal( 2, ( 5/2).truncate)
assert_equal( 2, ( 12/5).truncate)
assert_equal(-2, (-12/5).truncate)
assert_equal(-2, ( -5/2).truncate)
assert_equal(-2, (-13/5).truncate)
assert_equal( 2, ( 13/5).truncate(0))
assert_equal( 2, ( 5/2).truncate(0))
assert_equal( 2, ( 12/5).truncate(0))
assert_equal(-2, (-12/5).truncate(0))
assert_equal(-2, ( -5/2).truncate(0))
assert_equal(-2, (-13/5).truncate(0))
assert_equal(( 13/5), ( 13/5).truncate(2))
assert_equal(( 5/2), ( 5/2).truncate(2))
assert_equal(( 12/5), ( 12/5).truncate(2))
assert_equal((-12/5), (-12/5).truncate(2))
assert_equal(( -5/2), ( -5/2).truncate(2))
assert_equal((-13/5), (-13/5).truncate(2))
EOS
end
def test_round
assert_separately(%w[-rmathn], <<-EOS, ignore_stderr: true)
assert_equal( 3, ( 13/5).round)
assert_equal( 3, ( 5/2).round)
assert_equal( 2, ( 12/5).round)
assert_equal(-2, (-12/5).round)
assert_equal(-3, ( -5/2).round)
assert_equal(-3, (-13/5).round)
assert_equal( 3, ( 13/5).round(0))
assert_equal( 3, ( 5/2).round(0))
assert_equal( 2, ( 12/5).round(0))
assert_equal(-2, (-12/5).round(0))
assert_equal(-3, ( -5/2).round(0))
assert_equal(-3, (-13/5).round(0))
assert_equal(( 13/5), ( 13/5).round(2))
assert_equal(( 5/2), ( 5/2).round(2))
assert_equal(( 12/5), ( 12/5).round(2))
assert_equal((-12/5), (-12/5).round(2))
assert_equal(( -5/2), ( -5/2).round(2))
assert_equal((-13/5), (-13/5).round(2))
EOS
end
end
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