diff options
Diffstat (limited to 'activerecord/test/cases/time_precision_test.rb')
| -rw-r--r-- | activerecord/test/cases/time_precision_test.rb | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/activerecord/test/cases/time_precision_test.rb b/activerecord/test/cases/time_precision_test.rb index 09c585167e..086500de38 100644 --- a/activerecord/test/cases/time_precision_test.rb +++ b/activerecord/test/cases/time_precision_test.rb @@ -1,3 +1,5 @@ +# frozen_string_literal: true + require "cases/helper" require "support/schema_dumping_helper" @@ -25,6 +27,24 @@ if subsecond_precision_supported? assert_equal 6, Foo.columns_hash["finish"].precision end + def test_time_precision_is_truncated_on_assignment + @connection.create_table(:foos, force: true) + @connection.add_column :foos, :start, :time, precision: 0 + @connection.add_column :foos, :finish, :time, precision: 6 + + time = ::Time.now.change(nsec: 123456789) + foo = Foo.new(start: time, finish: time) + + assert_equal 0, foo.start.nsec + assert_equal 123456000, foo.finish.nsec + + foo.save! + foo.reload + + assert_equal 0, foo.start.nsec + assert_equal 123456000, foo.finish.nsec + end + def test_passing_precision_to_time_does_not_set_limit @connection.create_table(:foos, force: true) do |t| t.time :start, precision: 3 |