From 81b718728e5884ace2a965f8896dc5979aeb7284 Mon Sep 17 00:00:00 2001
From: Sean Griffin <sean@thoughtbot.com>
Date: Thu, 3 Jul 2014 07:33:54 -0600
Subject: Do not rely on the column type when quoting infinity

---
 .../cases/adapters/postgresql/infinity_test.rb     | 44 ++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 activerecord/test/cases/adapters/postgresql/infinity_test.rb

(limited to 'activerecord/test')

diff --git a/activerecord/test/cases/adapters/postgresql/infinity_test.rb b/activerecord/test/cases/adapters/postgresql/infinity_test.rb
new file mode 100644
index 0000000000..22e8873333
--- /dev/null
+++ b/activerecord/test/cases/adapters/postgresql/infinity_test.rb
@@ -0,0 +1,44 @@
+require "cases/helper"
+
+class PostgresqlInfinityTest < ActiveRecord::TestCase
+  class PostgresqlInfinity < ActiveRecord::Base
+  end
+
+  setup do
+    @connection = ActiveRecord::Base.connection
+    @connection.create_table(:postgresql_infinities) do |t|
+      t.float :float
+      t.datetime :datetime
+    end
+  end
+
+  teardown do
+    @connection.execute("DROP TABLE IF EXISTS postgresql_infinities")
+  end
+
+  test "type casting infinity on a float column" do
+    record = PostgresqlInfinity.create!(float: Float::INFINITY)
+    record.reload
+    assert_equal Float::INFINITY, record.float
+  end
+
+  test "update_all with infinity on a float column" do
+    record = PostgresqlInfinity.create!
+    PostgresqlInfinity.update_all(float: Float::INFINITY)
+    record.reload
+    assert_equal Float::INFINITY, record.float
+  end
+
+  test "type casting infinity on a datetime column" do
+    record = PostgresqlInfinity.create!(datetime: Float::INFINITY)
+    record.reload
+    assert_equal Float::INFINITY, record.datetime
+  end
+
+  test "update_all with infinity on a datetime column" do
+    record = PostgresqlInfinity.create!
+    PostgresqlInfinity.update_all(datetime: Float::INFINITY)
+    record.reload
+    assert_equal Float::INFINITY, record.datetime
+  end
+end
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