Class: Interval::TestSimpleMethods

Inherits:
Test::Unit::TestCase
  • Object
show all
Defined in:
lib/interval.rb

Overview

Tests other methods of Interval::Simple.

Instance Method Summary collapse

Instance Method Details

#test_midpoint ⇒ Object 



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# File 'lib/interval.rb', line 891

def test_midpoint
  assert_equal(1.5,Interval[1,2].midpoint)
  assert_raise(NoMethodError){ Interval[[1,2],[3,4]].midpoint }
end

#test_width ⇒ Object 



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# File 'lib/interval.rb', line 896

def test_width
  assert_equal(1, Interval[1,2].width)
  assert_equal(1, Interval[1,2].width)
  tester = proc{|x|
    assert_equal(
      2.0 ** (-(Math.log(x)/Math.log(2)).ceil - 52),
      (1/Interval[x]).width)
  }
  tester.call(3.0)
  tester.call(5.0)
  tester.call(119.0)
  tester.call(34e-4)
end