1 files changed, 16 insertions, 11 deletions
diff --git a/activerecord/test/cases/adapters/postgresql/money_test.rb b/activerecord/test/cases/adapters/postgresql/money_test.rb
index 1b5d8362af..61e75e772d 100644
--- a/activerecord/test/cases/adapters/postgresql/money_test.rb
+++ b/activerecord/test/cases/adapters/postgresql/money_test.rb
@@ -1,10 +1,14 @@
+# frozen_string_literal: true
+
 require "cases/helper"
 require "support/schema_dumping_helper"
 
 class PostgresqlMoneyTest < ActiveRecord::PostgreSQLTestCase
   include SchemaDumpingHelper
 
-  class PostgresqlMoney < ActiveRecord::Base; end
+  class PostgresqlMoney < ActiveRecord::Base
+    validates :depth, numericality: true
+  end
 
   setup do
     @connection = ActiveRecord::Base.connection
@@ -24,15 +28,16 @@ class PostgresqlMoneyTest < ActiveRecord::PostgreSQLTestCase
     assert_equal :money, column.type
     assert_equal "money", column.sql_type
     assert_equal 2, column.scale
-    assert_not column.array?
+    assert_not_predicate column, :array?
 
     type = PostgresqlMoney.type_for_attribute("wealth")
-    assert_not type.binary?
+    assert_not_predicate type, :binary?
   end
 
   def test_default
-    assert_equal BigDecimal.new("150.55"), PostgresqlMoney.column_defaults["depth"]
-    assert_equal BigDecimal.new("150.55"), PostgresqlMoney.new.depth
+    assert_equal BigDecimal("150.55"), PostgresqlMoney.column_defaults["depth"]
+    assert_equal BigDecimal("150.55"), PostgresqlMoney.new.depth
+    assert_equal "$150.55", PostgresqlMoney.new.depth_before_type_cast
   end
 
   def test_money_values
@@ -47,10 +52,10 @@ class PostgresqlMoneyTest < ActiveRecord::PostgreSQLTestCase
 
   def test_money_type_cast
     type = PostgresqlMoney.type_for_attribute("wealth")
-    assert_equal(12345678.12, type.cast("$12,345,678.12"))
-    assert_equal(12345678.12, type.cast("$12.345.678,12"))
-    assert_equal(-1.15, type.cast("-$1.15"))
-    assert_equal(-2.25, type.cast("($2.25)"))
+    assert_equal(12345678.12, type.cast("$12,345,678.12".dup))
+    assert_equal(12345678.12, type.cast("$12.345.678,12".dup))
+    assert_equal(-1.15, type.cast("-$1.15".dup))
+    assert_equal(-2.25, type.cast("($2.25)".dup))
   end
 
   def test_schema_dumping
@@ -60,10 +65,10 @@ class PostgresqlMoneyTest < ActiveRecord::PostgreSQLTestCase
   end
 
   def test_create_and_update_money
-    money = PostgresqlMoney.create(wealth: "987.65")
+    money = PostgresqlMoney.create(wealth: "987.65".dup)
     assert_equal 987.65, money.wealth
 
-    new_value = BigDecimal.new("123.45")
+    new_value = BigDecimal("123.45")
     money.wealth = new_value
     money.save!
     money.reload