Function TestGroupedOpCodes

texteditor/difflib/bytes/bytes_test.go:88–130

(t *testing.T)

}

func TestGroupedOpCodes(t *testing.T) {
	a := [][]byte{}
	for i := 0; i != 39; i++ {
		a = append(a, []byte(fmt.Sprintf("%02d", i)))
	}
	b := [][]byte{}
	b = append(b, a[:8]...)
	b = append(b, []byte(" i"))
	b = append(b, a[8:19]...)
	b = append(b, []byte(" x"))
	b = append(b, a[20:22]...)
	b = append(b, a[27:34]...)
	b = append(b, []byte(" y"))
	b = append(b, a[35:]...)
	s := NewMatcher(a, b)
	w := &bytes.Buffer{}
	for _, g := range s.GetGroupedOpCodes(-1) {
		fmt.Fprintf(w, "group\n")
		for _, op := range g {
			fmt.Fprintf(w, "  %s, %d, %d, %d, %d\n", string(op.Tag),
				op.I1, op.I2, op.J1, op.J2)
		}
	}
	result := w.String()
	expected := `group
  e, 5, 8, 5, 8
  i, 8, 8, 8, 9
  e, 8, 11, 9, 12
group
  e, 16, 19, 17, 20
  r, 19, 20, 20, 21
  e, 20, 22, 21, 23
  d, 22, 27, 23, 23
  e, 27, 30, 23, 26
group
  e, 31, 34, 27, 30
  r, 34, 35, 30, 31
  e, 35, 38, 31, 34
`
	if expected != result {
		t.Errorf("unexpected op codes: \n%s", result)
	}
}

func ExampleGetUnifiedDiffString() {
	a := `one