mirror of
https://github.com/golang/go
synced 2024-11-05 15:56:12 -07:00
59 lines
881 B
Go
59 lines
881 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 of many forms.
|
|
|
|
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");
|
|
|
|
}
|