1 files changed, 5 insertions, 5 deletions
diff --git a/spec/ruby/core/enumerable/slice_after_spec.rb b/spec/ruby/core/enumerable/slice_after_spec.rb
index 0e46688db1..1ef37195e5 100644
--- a/spec/ruby/core/enumerable/slice_after_spec.rb
+++ b/spec/ruby/core/enumerable/slice_after_spec.rb
@@ -11,7 +11,7 @@ describe "Enumerable#slice_after" do
       arg = mock("filter")
       arg.should_receive(:===).and_return(false, true, false, false, false, true, false)
       e = @enum.slice_after(arg)
-      e.should be_an_instance_of(Enumerator)
+      e.should.instance_of?(Enumerator)
       e.to_a.should == [[7, 6], [5, 4, 3, 2], [1]]
     end
 
@@ -34,21 +34,21 @@ describe "Enumerable#slice_after" do
     describe "and no argument" do
       it "calls the block to determine when to yield" do
         e = @enum.slice_after{ |i| i == 6 || i == 2 }
-        e.should be_an_instance_of(Enumerator)
+        e.should.instance_of?(Enumerator)
         e.to_a.should == [[7, 6], [5, 4, 3, 2], [1]]
       end
     end
 
     describe "and an argument" do
       it "raises an ArgumentError" do
-        -> { @enum.slice_after(42) { |i| i == 6 } }.should raise_error(ArgumentError)
+        -> { @enum.slice_after(42) { |i| i == 6 } }.should.raise(ArgumentError)
       end
     end
   end
 
   it "raises an ArgumentError when given an incorrect number of arguments" do
-    -> { @enum.slice_after("one", "two") }.should raise_error(ArgumentError)
-    -> { @enum.slice_after }.should raise_error(ArgumentError)
+    -> { @enum.slice_after("one", "two") }.should.raise(ArgumentError)
+    -> { @enum.slice_after }.should.raise(ArgumentError)
   end
 end