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|
package routing
import (
"reflect"
"testing"
"github.com/matrix-org/gomatrixserverlib"
)
func pubRoom(name string) gomatrixserverlib.PublicRoom {
return gomatrixserverlib.PublicRoom{
Name: name,
}
}
func TestSliceInto(t *testing.T) {
slice := []gomatrixserverlib.PublicRoom{
pubRoom("a"), pubRoom("b"), pubRoom("c"), pubRoom("d"), pubRoom("e"), pubRoom("f"), pubRoom("g"),
}
limit := int16(3)
testCases := []struct {
since int64
wantPrev int
wantNext int
wantSubset []gomatrixserverlib.PublicRoom
}{
{
since: 0,
wantPrev: -1,
wantNext: 3,
wantSubset: slice[0:3],
},
{
since: 3,
wantPrev: 0,
wantNext: 6,
wantSubset: slice[3:6],
},
{
since: 6,
wantPrev: 3,
wantNext: -1,
wantSubset: slice[6:7],
},
}
for _, tc := range testCases {
subset, prev, next := sliceInto(slice, tc.since, limit)
if !reflect.DeepEqual(subset, tc.wantSubset) {
t.Errorf("returned subset is wrong, got %v want %v", subset, tc.wantSubset)
}
if prev != tc.wantPrev {
t.Errorf("returned prev is wrong, got %d want %d", prev, tc.wantPrev)
}
if next != tc.wantNext {
t.Errorf("returned next is wrong, got %d want %d", next, tc.wantNext)
}
}
}
|
