test/test_round.rb in flt-1.5.0 vs test/test_round.rb in flt-1.5.1

@@ -1,9 +1,9 @@
 require File.expand_path(File.join(File.dirname(__FILE__),'helper.rb'))
 
 
-class TestRound < Test::Unit::TestCase
+class TestRound < Minitest::Test
 
 
   def setup
     initialize_context
   end
@@ -46,9 +46,44 @@
     assert_equal(10,  DecNum('9.99999').round(:rounding=>:half_up))
     assert_equal(1,  DecNum('0.999999').round(:rounding=>:half_up))
     assert_equal(0,  DecNum('0.0999999').round(:rounding=>:half_up))
     assert_equal(1,  DecNum('0.0999999').round(:rounding=>:up))
 
+  end
+
+  def test_ruby_2_4_round
+    assert_equal 100, DecNum('100.5').round(:half => :even)
+    assert_equal 101, DecNum('100.5000001').round(:half => :even)
+    assert_equal 102, DecNum('101.5').round(:half => :even)
+    assert_equal 101, DecNum('101.4999999999').round(:half => :even)
+
+    assert_equal 100, DecNum('100.5').round(:half => :down)
+    assert_equal 101, DecNum('100.5000001').round(:half => :down)
+    assert_equal 101, DecNum('101.5').round(:half => :down)
+    assert_equal 101, DecNum('101.4999999999').round(:half => :down)
+
+    assert_equal 101, DecNum('100.5').round(:half => :up)
+    assert_equal 101, DecNum('100.5000001').round(:half => :up)
+    assert_equal 102, DecNum('101.5').round(:half => :up)
+    assert_equal 101, DecNum('101.4999999999').round(:half => :up)
+
+    assert_equal 101, DecNum('100.5').round(0)
+    assert_equal DecNum('100.5'), DecNum('100.5').round(1)
+    assert_equal 100, DecNum('100.5').round(-1)
+    assert_equal DecNum('100.1235'), DecNum('100.1235'), DecNum('100.12345').round(4)
+
+    assert_equal 100, DecNum('100.5').round(0, :half => :even)
+    assert_equal 101, DecNum('100.5').round(0, :half => :up)
+    assert_equal 100, DecNum('100.5').round(0, :half => :down)
+    assert_equal DecNum('100.5'), DecNum('100.5').round(1, half: :even)
+    assert_equal DecNum('100.5'), DecNum('100.5').round(1, half: :up)
+    assert_equal DecNum('100.5'), DecNum('100.5').round(1, half: :down)
+    assert_equal 100, DecNum('100.5').round(-1, half: :even)
+    assert_equal 100, DecNum('100.5').round(-1, half: :down)
+    assert_equal 100, DecNum('100.5').round(-1, half: :up)
+    assert_equal DecNum('100.1234'), DecNum('100.12345').round(4, half: :even)
+    assert_equal DecNum('100.1235'), DecNum('100.12345').round(4, half: :up)
+    assert_equal DecNum('100.1234'), DecNum('100.12345').round(4, half: :down)
   end
 
   def detect_rounding(type)
     x = type.new(1)*type.int_radix_power(type.context.precision+1)
     y = x + type.int_radix_power(2)