1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
package text
import (
"bytes"
"testing"
)
var text = "The quick brown fox jumps over the lazy dog."
func TestWrap(t *testing.T) {
exp := [][]string{
{"The", "quick", "brown", "fox"},
{"jumps", "over", "the", "lazy", "dog."},
}
words := bytes.Split([]byte(text), sp)
got := WrapWords(words, 1, 24, defaultPenalty)
if len(exp) != len(got) {
t.Fail()
}
for i := range exp {
if len(exp[i]) != len(got[i]) {
t.Fail()
}
for j := range exp[i] {
if exp[i][j] != string(got[i][j]) {
t.Fatal(i, exp[i][j], got[i][j])
}
}
}
}
func TestWrapNarrow(t *testing.T) {
exp := "The\nquick\nbrown\nfox\njumps\nover\nthe\nlazy\ndog."
if Wrap(text, 5) != exp {
t.Fail()
}
}
func TestWrapOneLine(t *testing.T) {
exp := "The quick brown fox jumps over the lazy dog."
if Wrap(text, 500) != exp {
t.Fail()
}
}
func TestWrapBug1(t *testing.T) {
cases := []struct {
limit int
text string
want string
}{
{4, "aaaaa", "aaaaa"},
{4, "a aaaaa", "a\naaaaa"},
}
for _, test := range cases {
got := Wrap(test.text, test.limit)
if got != test.want {
t.Errorf("Wrap(%q, %d) = %q want %q", test.text, test.limit, got, test.want)
}
}
}
|
