tests, extract pg number tests into separate file.

1 files changed, 49 insertions, 0 deletions

diff --git a/activerecord/test/cases/adapters/postgresql/numbers_test.rb b/activerecord/test/cases/adapters/postgresql/numbers_test.rb
new file mode 100644
index 0000000000..d90e9ccc66
--- /dev/null
+++ b/activerecord/test/cases/adapters/postgresql/numbers_test.rb
@@ -0,0 +1,49 @@
+require "cases/helper"
+
+class PostgresqlNumberTest < ActiveRecord::TestCase
+  class PostgresqlNumber < ActiveRecord::Base; end
+
+  setup do
+    @connection = ActiveRecord::Base.connection
+    @connection.create_table('postgresql_numbers') do |t|
+      t.column 'single', 'REAL'
+      t.column 'double', 'DOUBLE PRECISION'
+    end
+  end
+
+  teardown do
+    @connection.execute 'DROP TABLE IF EXISTS postgresql_numbers'
+  end
+
+  def test_data_type
+    assert_equal :float, PostgresqlNumber.columns_hash["single"].type
+    assert_equal :float, PostgresqlNumber.columns_hash["double"].type
+  end
+
+  def test_values
+    @connection.execute("INSERT INTO postgresql_numbers (id, single, double) VALUES (1, 123.456, 123456.789)")
+    @connection.execute("INSERT INTO postgresql_numbers (id, single, double) VALUES (2, '-Infinity', 'Infinity')")
+    @connection.execute("INSERT INTO postgresql_numbers (id, single, double) VALUES (3, 123.456, 'NaN')")
+
+    first, second, third = PostgresqlNumber.find(1, 2, 3)
+
+    assert_equal 123.456, first.single
+    assert_equal 123456.789, first.double
+    assert_equal(-::Float::INFINITY, second.single)
+    assert_equal ::Float::INFINITY, second.double
+    assert_same ::Float::NAN, third.double
+  end
+
+  def test_update
+    record = PostgresqlNumber.create! single: "123.456", double: "123456.789"
+    new_single = 789.012
+    new_double = 789012.345
+    record.single = new_single
+    record.double = new_double
+    record.save!
+
+    record.reload
+    assert_equal new_single, record.single
+    assert_equal new_double, record.double
+  end
+end