mirror of
https://github.com/golang/go
synced 2024-11-17 06:24:48 -07:00
57 lines
872 B
Go
57 lines
872 B
Go
// $G $F.go && $L $F.$A && ./$A.out
|
|
|
|
// 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 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");
|
|
|
|
}
|