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| author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2009-08-26 14:58:44 +0000 |
|---|---|---|
| committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2009-08-26 14:58:44 +0000 |
| commit | 590d335720d042fb715d97cb65eed51e14caab64 (patch) | |
| tree | 8d879c8196c39e60f6132c225d5fe963b64fb158 /test | |
| parent | 7d76dad94ef046623968b21f1037ff9c7a2f2aee (diff) | |
| download | ruby-590d335720d042fb715d97cb65eed51e14caab64.tar.gz ruby-590d335720d042fb715d97cb65eed51e14caab64.tar.xz ruby-590d335720d042fb715d97cb65eed51e14caab64.zip | |
* random.c (random_rand): fixed for edge cases of ranges.
[ruby-dev:39166]
git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@24674 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'test')
| -rw-r--r-- | test/ruby/test_rand.rb | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/test/ruby/test_rand.rb b/test/ruby/test_rand.rb index 446211587..b6563954c 100644 --- a/test/ruby/test_rand.rb +++ b/test/ruby/test_rand.rb @@ -199,6 +199,14 @@ class TestRand < Test::Unit::TestCase assert_raise(ArgumentError, '[ruby-core:24677]') { r.rand(-1) } assert_raise(ArgumentError, '[ruby-core:24677]') { r.rand(-1.0) } assert_raise(ArgumentError, '[ruby-core:24677]') { r.rand(0) } + assert_equal(0, r.rand(1), '[ruby-dev:39166]') + assert_equal(0, r.rand(0...1), '[ruby-dev:39166]') + assert_equal(0, r.rand(0..0), '[ruby-dev:39166]') + assert_equal(0.0, r.rand(0.0..0.0), '[ruby-dev:39166]') + assert_raise(ArgumentError, '[ruby-dev:39166]') { r.rand(0...0) } + assert_raise(ArgumentError, '[ruby-dev:39166]') { r.rand(0..-1) } + assert_raise(ArgumentError, '[ruby-dev:39166]') { r.rand(0.0...0.0) } + assert_raise(ArgumentError, '[ruby-dev:39166]') { r.rand(0.0...-0.1) } end def test_random_seed |