func (s *MySuite) TestGetCoerceZero(c *C) {
var b box.Time
var zero time.Time
b.SetUndefined()
c.Check(b.GetCoerceZero(), Equals, zero)
b.SetUnknown()
c.Check(b.GetCoerceZero(), Equals, zero)
b.SetEmpty()
c.Check(b.GetCoerceZero(), Equals, zero)
val := time.Now()
b.Set(val)
c.Check(b.GetCoerceNil(), Equals, val)
}
