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-rw-r--r--test/for.go76
1 files changed, 76 insertions, 0 deletions
diff --git a/test/for.go b/test/for.go
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+++ b/test/for.go
@@ -0,0 +1,76 @@
+// 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")
+}