1 files changed, 17 insertions, 17 deletions
diff --git a/activesupport/test/core_ext/object/deep_dup_test.rb b/activesupport/test/core_ext/object/deep_dup_test.rb
index 791b5e7172..2486592441 100644
--- a/activesupport/test/core_ext/object/deep_dup_test.rb
+++ b/activesupport/test/core_ext/object/deep_dup_test.rb
@@ -1,43 +1,44 @@
-require 'abstract_unit'
-require 'active_support/core_ext/object'
+# frozen_string_literal: true
 
-class DeepDupTest < ActiveSupport::TestCase
+require "abstract_unit"
+require "active_support/core_ext/object"
 
+class DeepDupTest < ActiveSupport::TestCase
   def test_array_deep_dup
     array = [1, [2, 3]]
     dup = array.deep_dup
     dup[1][2] = 4
-    assert_equal nil, array[1][2]
+    assert_nil array[1][2]
     assert_equal 4, dup[1][2]
   end
 
   def test_hash_deep_dup
-    hash = { :a => { :b => 'b' } }
+    hash = { a: { b: "b" } }
     dup = hash.deep_dup
-    dup[:a][:c] = 'c'
-    assert_equal nil, hash[:a][:c]
-    assert_equal 'c', dup[:a][:c]
+    dup[:a][:c] = "c"
+    assert_nil hash[:a][:c]
+    assert_equal "c", dup[:a][:c]
   end
 
   def test_array_deep_dup_with_hash_inside
-    array = [1, { :a => 2, :b => 3 } ]
+    array = [1, { a: 2, b: 3 } ]
     dup = array.deep_dup
     dup[1][:c] = 4
-    assert_equal nil, array[1][:c]
+    assert_nil array[1][:c]
     assert_equal 4, dup[1][:c]
   end
 
   def test_hash_deep_dup_with_array_inside
-    hash = { :a => [1, 2] }
+    hash = { a: [1, 2] }
     dup = hash.deep_dup
-    dup[:a][2] = 'c'
-    assert_equal nil, hash[:a][2]
-    assert_equal 'c', dup[:a][2]
+    dup[:a][2] = "c"
+    assert_nil hash[:a][2]
+    assert_equal "c", dup[:a][2]
   end
 
   def test_deep_dup_initialize
     zero_hash = Hash.new 0
-    hash = { :a => zero_hash }
+    hash = { a: zero_hash }
     dup = hash.deep_dup
     assert_equal 0, dup[:a][44]
   end
@@ -51,9 +52,8 @@ class DeepDupTest < ActiveSupport::TestCase
   end
 
   def test_deep_dup_with_hash_class_key
-    hash = { Fixnum => 1 }
+    hash = { Integer => 1 }
     dup = hash.deep_dup
     assert_equal 1, dup.keys.length
   end
-
 end