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-rw-r--r--activerecord/test/cases/adapters/mysql2/schema_test.rb31
1 files changed, 31 insertions, 0 deletions
diff --git a/activerecord/test/cases/adapters/mysql2/schema_test.rb b/activerecord/test/cases/adapters/mysql2/schema_test.rb
index 1ebdca661c..0d9f07917c 100644
--- a/activerecord/test/cases/adapters/mysql2/schema_test.rb
+++ b/activerecord/test/cases/adapters/mysql2/schema_test.rb
@@ -20,6 +20,37 @@ module ActiveRecord
end
end
+ def test_float_limits
+ @connection.create_table :mysql_doubles do |t|
+ t.float :float_no_limit
+ t.float :float_short, limit: 5
+ t.float :float_long, limit: 53
+
+ t.float :float_23, limit: 23
+ t.float :float_24, limit: 24
+ t.float :float_25, limit: 25
+ end
+
+ column_no_limit = @connection.columns(:mysql_doubles).find { |c| c.name == 'float_no_limit' }
+ column_short = @connection.columns(:mysql_doubles).find { |c| c.name == 'float_short' }
+ column_long = @connection.columns(:mysql_doubles).find { |c| c.name == 'float_long' }
+
+ column_23 = @connection.columns(:mysql_doubles).find { |c| c.name == 'float_23' }
+ column_24 = @connection.columns(:mysql_doubles).find { |c| c.name == 'float_24' }
+ column_25 = @connection.columns(:mysql_doubles).find { |c| c.name == 'float_25' }
+
+ # Mysql floats are precision 0..24, Mysql doubles are precision 25..53
+ assert_equal 24, column_no_limit.limit
+ assert_equal 24, column_short.limit
+ assert_equal 53, column_long.limit
+
+ assert_equal 24, column_23.limit
+ assert_equal 24, column_24.limit
+ assert_equal 53, column_25.limit
+ ensure
+ @connection.drop_table "mysql_doubles", if_exists: true
+ end
+
def test_schema
assert @omgpost.first
end