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
|
// run
// 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.
// Test if statements in various forms.
package main
func assertequal(is, shouldbe int, msg string) {
if is != shouldbe {
print("assertion fail", msg, "\n")
panic(1)
}
}
func main() {
i5 := 5
i7 := 7
var count int
count = 0
if true {
count = count + 1
}
assertequal(count, 1, "if true")
count = 0
if false {
count = count + 1
}
assertequal(count, 0, "if false")
count = 0
if one := 1; true {
count = count + one
}
assertequal(count, 1, "if true one")
count = 0
if one := 1; false {
count = count + 1
_ = one
}
assertequal(count, 0, "if false one")
count = 0
if i5 < i7 {
count = count + 1
}
assertequal(count, 1, "if cond")
count = 0
if true {
count = count + 1
} else {
count = count - 1
}
assertequal(count, 1, "if else true")
count = 0
if false {
count = count + 1
} else {
count = count - 1
}
assertequal(count, -1, "if else false")
count = 0
if t := 1; false {
count = count + 1
_ = t
t := 7
_ = t
} else {
count = count - t
}
assertequal(count, -1, "if else false var")
count = 0
t := 1
if false {
count = count + 1
t := 7
_ = t
} else {
count = count - t
}
_ = t
assertequal(count, -1, "if else false var outside")
}
|
