* test/ruby/test_float.rb: add tests. [ruby-dev:35009]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@17080 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,7 @@
+Tue Jun 10 21:07:19 2008  Kazuhiro NISHIYAMA  <zn@mbf.nifty.com>
+
+	* test/ruby/test_float.rb: add tests. [ruby-dev:35009]
+
 Tue Jun 10 20:55:57 2008  Tadayoshi Funaba  <tadf@dotrb.org>
 
 	* complex.c (nucomp_s_convert): need not to initialize optional

test/ruby/test_float.rb

@@ -75,6 +75,9 @@ class TestFloat < Test::Unit::TestCase
     assert(a.abs < Float::EPSILON)
     a = Float("-.0")
     assert(a.abs < Float::EPSILON)
+    assert_raise(ArgumentError){Float("0.")}
+    assert_raise(ArgumentError){Float("+0.")}
+    assert_raise(ArgumentError){Float("-0.")}
     assert_raise(ArgumentError){Float(".")}
     assert_raise(ArgumentError){Float("+")}
     assert_raise(ArgumentError){Float("+.")}