mirror of
https://github.com/golang/go
synced 2024-11-22 01:44:40 -07:00
59 lines
844 B
Go
59 lines
844 B
Go
// 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 for loops.
|
|
|
|
package main
|
|
|
|
func assertequal(is, shouldbe int, msg string) {
|
|
if is != shouldbe {
|
|
print("assertion fail", msg, "\n")
|
|
panic(1)
|
|
}
|
|
}
|
|
|
|
func main() {
|
|
var i, sum int
|
|
|
|
i = 0
|
|
for {
|
|
i = i + 1
|
|
if i > 5 {
|
|
break
|
|
}
|
|
}
|
|
assertequal(i, 6, "break")
|
|
|
|
sum = 0
|
|
for i := 0; i <= 10; i++ {
|
|
sum = sum + i
|
|
}
|
|
assertequal(sum, 55, "all three")
|
|
|
|
sum = 0
|
|
for i := 0; i <= 10; {
|
|
sum = sum + i
|
|
i++
|
|
}
|
|
assertequal(sum, 55, "only two")
|
|
|
|
sum = 0
|
|
for sum < 100 {
|
|
sum = sum + 9
|
|
}
|
|
assertequal(sum, 99 + 9, "only one")
|
|
|
|
sum = 0
|
|
for i := 0; i <= 10; i++ {
|
|
if i % 2 == 0 {
|
|
continue
|
|
}
|
|
sum = sum + i
|
|
}
|
|
assertequal(sum, 1+3+5+7+9, "continue")
|
|
|
|
}
|