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| Current Path : /usr/local/go/test/ |
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| Current File : //usr/local/go/test/for.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")
i = 0
for i = range [5]struct{}{} {
}
assertequal(i, 4, " incorrect index value after range loop")
i = 0
var a1 [5]struct{}
for i = range a1 {
a1[i] = struct{}{}
}
assertequal(i, 4, " incorrect index value after array with zero size elem range clear")
i = 0
var a2 [5]int
for i = range a2 {
a2[i] = 0
}
assertequal(i, 4, " incorrect index value after array range clear")
}