1
2
3
4 package xstrings
5
6 import (
7 "strconv"
8 "strings"
9 "testing"
10 )
11
12 func TestReverse(t *testing.T) {
13 runTestCases(t, Reverse, _M{
14 "reverse string": "gnirts esrever",
15 "中文如何？": "？何如文中",
16 "中en文混~排怎样？a": "a？样怎排~混文ne中",
17 })
18 }
19
20 func TestSlice(t *testing.T) {
21 runner := func(str string) (result string) {
22 defer func() {
23 if e := recover(); e != nil {
24 result = e.(string)
25 }
26 }()
27
28 strs := split(str)
29 start, _ := strconv.ParseInt(strs[1], 10, 0)
30 end, _ := strconv.ParseInt(strs[2], 10, 0)
31
32 result = Slice(strs[0], int(start), int(end))
33 return
34 }
35
36 runTestCases(t, runner, _M{
37 sep("abcdefghijk", "3", "8"): "defgh",
38 sep("来点中文如何？", "2", "7"): "中文如何？",
39 sep("中en文混~排总是少不了的a", "2", "8"): "n文混~排总",
40 sep("中en文混~排总是少不了的a", "0", "0"): "",
41 sep("中en文混~排总是少不了的a", "14", "14"): "",
42 sep("中en文混~排总是少不了的a", "5", "-1"): "~排总是少不了的a",
43 sep("中en文混~排总是少不了的a", "14", "-1"): "",
44
45 sep("let us slice out of range", "-3", "3"): "out of range",
46 sep("超出范围哦", "2", "6"): "out of range",
47 sep("don't do this", "3", "2"): "out of range",
48 sep("千gan万de不piao要liang", "19", "19"): "out of range",
49 })
50 }
51
52 func TestPartition(t *testing.T) {
53 runner := func(str string) string {
54 input := strings.Split(str, separator)
55 head, match, tail := Partition(input[0], input[1])
56 return sep(head, match, tail)
57 }
58
59 runTestCases(t, runner, _M{
60 sep("hello", "l"): sep("he", "l", "lo"),
61 sep("中文总少不了", "少"): sep("中文总", "少", "不了"),
62 sep("z这个zh英文混排hao不", "h英文"): sep("z这个z", "h英文", "混排hao不"),
63 sep("边界tiao件zen能忘", "边界"): sep("", "边界", "tiao件zen能忘"),
64 sep("尾巴ye别忘le", "忘le"): sep("尾巴ye别", "忘le", ""),
65
66 sep("hello", "x"): sep("hello", "", ""),
67 sep("不是晩香玉", "晚"): sep("不是晩香玉", "", ""),
68 sep("来ge混排ba", "e 混"): sep("来ge混排ba", "", ""),
69 })
70 }
71
72 func TestLastPartition(t *testing.T) {
73 runner := func(str string) string {
74 input := strings.Split(str, separator)
75 head, match, tail := LastPartition(input[0], input[1])
76 return sep(head, match, tail)
77 }
78
79 runTestCases(t, runner, _M{
80 sep("hello", "l"): sep("hel", "l", "o"),
81 sep("少量中文总少不了", "少"): sep("少量中文总", "少", "不了"),
82 sep("z这个zh英文ch英文混排hao不", "h英文"): sep("z这个zh英文c", "h英文", "混排hao不"),
83 sep("边界tiao件zen能忘边界", "边界"): sep("边界tiao件zen能忘", "边界", ""),
84 sep("尾巴ye别忘le", "尾巴"): sep("", "尾巴", "ye别忘le"),
85
86 sep("hello", "x"): sep("", "", "hello"),
87 sep("不是晩香玉", "晚"): sep("", "", "不是晩香玉"),
88 sep("来ge混排ba", "e 混"): sep("", "", "来ge混排ba"),
89 })
90 }
91
92 func TestInsert(t *testing.T) {
93 runner := func(str string) (result string) {
94 defer func() {
95 if e := recover(); e != nil {
96 result = e.(string)
97 }
98 }()
99
100 strs := split(str)
101 index, _ := strconv.ParseInt(strs[2], 10, 0)
102 result = Insert(strs[0], strs[1], int(index))
103 return
104 }
105
106 runTestCases(t, runner, _M{
107 sep("abcdefg", "hi", "3"): "abchidefg",
108 sep("少量中文是必须的", "混pai", "4"): "少量中文混pai是必须的",
109 sep("zh英文hun排", "~！", "5"): "zh英文h~！un排",
110 sep("插在beginning", "我", "0"): "我插在beginning",
111 sep("插在ending", "我", "8"): "插在ending我",
112
113 sep("超tian出yuan边tu界po", "foo", "-1"): "out of range",
114 sep("超tian出yuan边tu界po", "foo", "17"): "out of range",
115 })
116 }
117
118 func TestScrub(t *testing.T) {
119 runner := func(str string) string {
120 strs := split(str)
121 return Scrub(strs[0], strs[1])
122 }
123
124 runTestCases(t, runner, _M{
125 sep("ab\uFFFDcd\xFF\xCEefg\xFF\xFC\xFD\xFAhijk", "*"): "ab*cd*efg*hijk",
126 sep("no错误です", "*"): "no错误です",
127 sep("", "*"): "",
128 })
129 }
130
131 func TestWordSplit(t *testing.T) {
132 runner := func(str string) string {
133 return sep(WordSplit(str)...)
134 }
135
136 runTestCases(t, runner, _M{
137 "one word": sep("one", "word"),
138 "一个字：把他给我拿下！": "",
139 "it's a super-fancy one!!!a": sep("it's", "a", "super-fancy", "one", "a"),
140 "a -b-c' 'd'e": sep("a", "b-c'", "d'e"),
141 })
142 }
143
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