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
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
|
// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package strings
import (
"strings";
"testing";
)
func eq(a, b []string) bool {
if len(a) != len(b) {
return false;
}
for i := 0; i < len(a); i++ {
if a[i] != b[i] {
return false;
}
}
return true;
}
var abcd = "abcd";
var faces = "☺☻☹";
var commas = "1,2,3,4";
var dots = "1....2....3....4";
type ExplodeTest struct {
s string;
a []string;
}
var explodetests = []ExplodeTest {
ExplodeTest{ abcd, []string{"a", "b", "c", "d"} },
ExplodeTest{ faces, []string{"☺", "☻", "☹" } },
}
func TestExplode(t *testing.T) {
for i := 0; i < len(explodetests); i++ {
tt := explodetests[i];
a := Explode(tt.s);
if !eq(a, tt.a) {
t.Errorf("Explode(%q) = %v; want %v", tt.s, a, tt.a);
continue;
}
s := Join(a, "");
if s != tt.s {
t.Errorf(`Join(Explode(%q), "") = %q`, tt.s, s);
}
}
}
type SplitTest struct {
s string;
sep string;
a []string;
}
var splittests = []SplitTest {
SplitTest{ abcd, "a", []string{"", "bcd"} },
SplitTest{ abcd, "z", []string{"abcd"} },
SplitTest{ abcd, "", []string{"a", "b", "c", "d"} },
SplitTest{ commas, ",", []string{"1", "2", "3", "4"} },
SplitTest{ dots, "...", []string{"1", ".2", ".3", ".4"} },
SplitTest{ faces, "☹", []string{"☺☻", ""} },
SplitTest{ faces, "~", []string{faces} },
SplitTest{ faces, "", []string{"☺", "☻", "☹"} },
}
func TestSplit(t *testing.T) {
for i := 0; i < len(splittests); i++ {
tt := splittests[i];
a := Split(tt.s, tt.sep);
if !eq(a, tt.a) {
t.Errorf("Split(%q, %q) = %v; want %v", tt.s, tt.sep, a, tt.a);
continue;
}
s := Join(a, tt.sep);
if s != tt.s {
t.Errorf("Join(Split(%q, %q), %q) = %q", tt.s, tt.sep, tt.sep, s);
}
}
}
// Test case for any function which accepts and returns a single string.
type StringTest struct {
in, out string;
}
// Execute f on each test case. funcName should be the name of f; it's used
// in failure reports.
func runStringTests(t *testing.T, f func(string) string, funcName string, testCases []StringTest) {
for i, tc := range testCases {
actual := f(tc.in);
if (actual != tc.out) {
t.Errorf("%s(%q) = %q; want %q", funcName, tc.in, actual, tc.out);
}
}
}
var upperASCIITests = []StringTest {
StringTest{"", ""},
StringTest{"abc", "ABC"},
StringTest{"AbC123", "ABC123"},
StringTest{"azAZ09_", "AZAZ09_"}
}
var lowerASCIITests = []StringTest {
StringTest{"", ""},
StringTest{"abc", "abc"},
StringTest{"AbC123", "abc123"},
StringTest{"azAZ09_", "azaz09_"}
}
var trimSpaceASCIITests = []StringTest {
StringTest{"", ""},
StringTest{"abc", "abc"},
StringTest{" ", ""},
StringTest{" \t\r\n \t\t\r\r\n\n ", ""},
StringTest{" \t\r\n x\t\t\r\r\n\n ", "x"},
StringTest{" \t\r\n x\t\t\r\r\ny\n ", "x\t\t\r\r\ny"},
StringTest{"1 \t\r\n2", "1 \t\r\n2"},
}
func TestUpperASCII(t *testing.T) {
runStringTests(t, UpperASCII, "UpperASCII", upperASCIITests);
}
func TestLowerASCII(t *testing.T) {
runStringTests(t, LowerASCII, "LowerASCII", lowerASCIITests);
}
func TestTrimSpaceASCII(t *testing.T) {
runStringTests(t, TrimSpaceASCII, "TrimSpaceASCII", trimSpaceASCIITests);
}
|
