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author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2016-11-25 06:28:00 +0000 |
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committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2016-11-25 06:28:00 +0000 |
commit | 631dde2572eb78cbf09d73d23a43852ccb199bd1 (patch) | |
tree | d85aad8b66468b69730c9a85362879b56f5aa41a /test/test_mathn.rb | |
parent | b6d10b6c378edcb88d3238b5c862e585ad9c8b33 (diff) | |
download | ruby-631dde2572eb78cbf09d73d23a43852ccb199bd1.tar.gz |
round-down
* 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
Diffstat (limited to 'test/test_mathn.rb')
-rw-r--r-- | test/test_mathn.rb | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/test/test_mathn.rb b/test/test_mathn.rb index 2ea049502c..bafc4c8dbc 100644 --- a/test/test_mathn.rb +++ b/test/test_mathn.rb @@ -157,6 +157,27 @@ class TestMathn < Test::Unit::TestCase assert_equal((-12/5), (-12/5).round(2, half: :up)) assert_equal(( -5/2), ( -5/2).round(2, half: :up)) assert_equal((-13/5), (-13/5).round(2, half: :up)) + + assert_equal( 3, ( 13/5).round(half: :down)) + assert_equal( 2, ( 5/2).round(half: :down)) + assert_equal( 2, ( 12/5).round(half: :down)) + assert_equal(-2, (-12/5).round(half: :down)) + assert_equal(-2, ( -5/2).round(half: :down)) + assert_equal(-3, (-13/5).round(half: :down)) + + assert_equal( 3, ( 13/5).round(0, half: :down)) + assert_equal( 2, ( 5/2).round(0, half: :down)) + assert_equal( 2, ( 12/5).round(0, half: :down)) + assert_equal(-2, (-12/5).round(0, half: :down)) + assert_equal(-2, ( -5/2).round(0, half: :down)) + assert_equal(-3, (-13/5).round(0, half: :down)) + + assert_equal(( 13/5), ( 13/5).round(2, half: :down)) + assert_equal(( 5/2), ( 5/2).round(2, half: :down)) + assert_equal(( 12/5), ( 12/5).round(2, half: :down)) + assert_equal((-12/5), (-12/5).round(2, half: :down)) + assert_equal(( -5/2), ( -5/2).round(2, half: :down)) + assert_equal((-13/5), (-13/5).round(2, half: :down)) EOS end end |