Anki/sm2_test.go

55 lines
916 B
Go

package main
import (
"testing"
"time"
)
func TestSM2(t *testing.T) {
ts := time.Date(2000, 1, 1, 0, 0, 0, 0, time.Local)
cases := map[string]struct {
history []int
want int
}{
"never before and no attempts": {
history: nil,
want: 1,
},
"0": {
history: []int{3, 3, 3, 0},
want: 1,
},
"1": {
history: []int{3, 3, 0, 3},
want: 1,
},
"2": {
history: []int{3, 0, 3, 3},
want: 6,
},
"3": {
history: []int{0, 3, 3, 3},
want: 8,
},
"4": {
history: []int{3, 3, 3, 3},
want: 27,
},
"5": {
history: []int{3, 3, 3, 3, 3},
want: 52,
},
}
for name, d := range cases {
c := d
t.Run(name, func(t *testing.T) {
got := SM2Next(ts, c.history, time.Hour*24)
t.Logf("Next(\n\t%s, \n\t%+v) = \n\t%s", ts, c.history, got)
if got != ts.Add(time.Duration(c.want)*time.Hour*24) {
t.Error(c.want, got)
}
})
}
}