1 files changed, 5 insertions, 5 deletions
diff --git a/spec/ruby/core/array/shared/inspect.rb b/spec/ruby/core/array/shared/inspect.rb
index a2b43d4959..7197cd7f26 100644
--- a/spec/ruby/core/array/shared/inspect.rb
+++ b/spec/ruby/core/array/shared/inspect.rb
@@ -2,7 +2,7 @@ require_relative '../fixtures/encoded_strings'
 
 describe :array_inspect, shared: true do
   it "returns a string" do
-    [1, 2, 3].send(@method).should be_an_instance_of(String)
+    [1, 2, 3].send(@method).should.instance_of?(String)
   end
 
   it "returns '[]' for an empty Array" do
@@ -19,7 +19,7 @@ describe :array_inspect, shared: true do
   end
 
   it "does not call #to_s on a String returned from #inspect" do
-    str = "abc"
+    str = +"abc"
     str.should_not_receive(:to_s)
 
     [str].send(@method).should == '["abc"]'
@@ -55,7 +55,7 @@ describe :array_inspect, shared: true do
     obj.should_receive(:inspect).and_return(obj)
     obj.should_receive(:to_s).and_raise(Exception)
 
-    -> { [obj].send(@method) }.should raise_error(Exception)
+    -> { [obj].send(@method) }.should.raise(Exception)
   end
 
   it "represents a recursive element with '[...]'" do
@@ -98,8 +98,8 @@ describe :array_inspect, shared: true do
     end
 
     it "does not raise if inspected result is not default external encoding" do
-      utf_16be = mock("utf_16be")
-      utf_16be.should_receive(:inspect).and_return(%<"utf_16be \u3042">.encode!(Encoding::UTF_16BE))
+      utf_16be = mock(+"utf_16be")
+      utf_16be.should_receive(:inspect).and_return(%<"utf_16be \u3042">.encode(Encoding::UTF_16BE))
 
       [utf_16be].send(@method).should == '["utf_16be \u3042"]'
     end