1 files changed, 10 insertions, 0 deletions
diff --git a/test/ruby/test_range.rb b/test/ruby/test_range.rb
index c8867cf2ec..d859969ded 100644
--- a/test/ruby/test_range.rb
+++ b/test/ruby/test_range.rb
@@ -1,6 +1,7 @@
 require 'test/unit'
 require 'delegate'
 require 'timeout'
+require 'bigdecimal'
 
 class TestRange < Test::Unit::TestCase
   def test_range_string
@@ -362,6 +363,15 @@ class TestRange < Test::Unit::TestCase
     assert_equal 200, enum.each{|x| x >= 200 }
   end
 
+  def test_bsearch_for_other_numerics
+    assert_raise(TypeError) {
+      (Rational(-1,2)..Rational(9,4)).bsearch
+    }
+    assert_raise(TypeError) {
+      (BigDecimal('0.5')..BigDecimal('2.25')).bsearch
+    }
+  end
+
   def test_bsearch_for_fixnum
     ary = [3, 4, 7, 9, 12]
     assert_equal(0, (0...ary.size).bsearch {|i| ary[i] >= 2 })