1 files changed, 7 insertions, 7 deletions
diff --git a/spec/ruby/core/kernel/singleton_class_spec.rb b/spec/ruby/core/kernel/singleton_class_spec.rb
index 23c400f9bd..7915272937 100644
--- a/spec/ruby/core/kernel/singleton_class_spec.rb
+++ b/spec/ruby/core/kernel/singleton_class_spec.rb
@@ -21,27 +21,27 @@ describe "Kernel#singleton_class" do
   end
 
   it "raises TypeError for Integer" do
-    -> { 123.singleton_class }.should raise_error(TypeError, "can't define singleton")
+    -> { 123.singleton_class }.should.raise(TypeError, "can't define singleton")
   end
 
   it "raises TypeError for Float" do
-    -> { 3.14.singleton_class }.should raise_error(TypeError, "can't define singleton")
+    -> { 3.14.singleton_class }.should.raise(TypeError, "can't define singleton")
   end
 
   it "raises TypeError for Symbol" do
-    -> { :foo.singleton_class }.should raise_error(TypeError, "can't define singleton")
+    -> { :foo.singleton_class }.should.raise(TypeError, "can't define singleton")
   end
 
   it "raises TypeError for a frozen deduplicated String" do
-    -> { (-"string").singleton_class }.should raise_error(TypeError, "can't define singleton")
-    -> { a = -"string"; a.singleton_class }.should raise_error(TypeError, "can't define singleton")
-    -> { a = "string"; (-a).singleton_class }.should raise_error(TypeError, "can't define singleton")
+    -> { (-"string").singleton_class }.should.raise(TypeError, "can't define singleton")
+    -> { a = -"string"; a.singleton_class }.should.raise(TypeError, "can't define singleton")
+    -> { a = "string"; (-a).singleton_class }.should.raise(TypeError, "can't define singleton")
   end
 
   it "returns a frozen singleton class if object is frozen" do
     obj = Object.new
     obj.freeze
-    obj.singleton_class.frozen?.should be_true
+    obj.singleton_class.frozen?.should == true
   end
 
   context "for an IO object with a replaced singleton class" do