deepcopy test time copy

gistfile1.txt

type T struct {
	time.Time
}

func TestTimeCopy(t *testing.T) {
	tests := []struct{
		Y int
		M time.Month
		D int
		h int
		m int
		s int
		nsec int
		TZ string
	}{
		{2016, time.July, 4, 23, 11, 33,  3000, "America/New_York"},
		{2015, time.October, 31, 9, 44, 23, 45935, "UTC"},
		{2014, time.May, 5, 22, 01, 50, 219300, "Europe/Prague"},
	}

	for i, test := range tests {
		l, err := time.LoadLocation(test.TZ)
		if err != nil {
			t.Errorf("%d: unexpected error: %s", i, err)
			continue
		}
		var x T
		x.Time = time.Date(test.Y, test.M, test.D, test.h, test.m, test.s, test.nsec, l)
		c := Copy(x).(T)
		if fmt.Sprintf("%p", &c) == fmt.Sprintf("%p", &x) {
			t.Errorf("%d: expected the copy to have a different address than the original value; they were the same: %p %p", i, &c, &x)
			continue
		}
		if x.UnixNano() != c.UnixNano() {
			t.Errorf("%d: nanotime: got %v; want %v", i, c.UnixNano(), x.UnixNano())
			continue
		}
		if x.Location() != c.Location() {
			t.Errorf("%d: location: got %q; want %q", i, c.Location(), x.Location())
		}
	}
}