add assertions.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@12858 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 3 insertions, 1 deletions

diff --git a/test/ruby/test_integer.rb b/test/ruby/test_integer.rb
index 4ffe0c2fce..e62d503aec 100644
--- a/test/ruby/test_integer.rb
+++ b/test/ruby/test_integer.rb
@@ -109,7 +109,8 @@ class TestInteger < Test::Unit::TestCase
     }
     VS.each {|a|
       VS.each {|b|
-        c = a[b]
+        c = nil
+        assert_nothing_raised("(#{a})[#{b}]") { c = a[b] }
         if b < 0
           assert_equal(0, c, "(#{a})[#{b}]")
         else
@@ -445,5 +446,6 @@ class TestInteger < Test::Unit::TestCase
     assert_raise(ArgumentError) { Integer("4611686018427387904_") }
     assert_raise(ArgumentError) { Integer("4611686018427387904  :") }
     assert_equal(0x4000000000000000, Integer("46_11_686_0184273_87904"))
+    assert_raise(ArgumentError) { Integer("\0") }
   end
 end