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authormame <mame@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2009-08-02 08:40:52 +0000
committermame <mame@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2009-08-02 08:40:52 +0000
commitdfd3d1fb295ad736b2bc2366a7bab49923793bb2 (patch)
tree9e84e6d319e7b46854a2d0b565ae2632f526c624 /test/ruby
parente626e0bdec56d15e01450509828f587cc5fa4687 (diff)
* test/ruby/test_rand.rb: add tests for Random#float's rejection
against Infinity and NaN. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@24354 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'test/ruby')
-rw-r--r--test/ruby/test_rand.rb3
1 files changed, 3 insertions, 0 deletions
diff --git a/test/ruby/test_rand.rb b/test/ruby/test_rand.rb
index e20cf4e..b932128 100644
--- a/test/ruby/test_rand.rb
+++ b/test/ruby/test_rand.rb
@@ -354,6 +354,9 @@ END
assert_in_delta(1.0897663659937937, r.float(2), 0.0001)
assert_in_delta(5.3704626067153264e+29, r.float(2**100), 10**25)
+ assert_raise(Errno::EDOM, Errno::ERANGE) { r.float(1.0 / 0.0) }
+ assert_raise(Errno::EDOM, Errno::ERANGE) { r.float(0.0 / 0.0) }
+
# is this intentional?
assert_raise(TypeError) { r.float(1..2) }
end