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-rw-r--r--test/fixedbugs/bug273.go93
1 files changed, 93 insertions, 0 deletions
diff --git a/test/fixedbugs/bug273.go b/test/fixedbugs/bug273.go
new file mode 100644
index 000000000..dd5aaa7b8
--- /dev/null
+++ b/test/fixedbugs/bug273.go
@@ -0,0 +1,93 @@
+// $G $D/$F.go && $L $F.$A && ./$A.out
+
+// Copyright 2010 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.
+
+// http://code.google.com/p/go/issues/detail?id=589
+
+package main
+
+import "unsafe"
+
+var bug = false
+
+var minus1 = -1
+var big int64 = 10 | 1<<32
+
+var g1 []int
+
+func shouldfail(f func(), desc string) {
+ defer func() { recover() }()
+ f()
+ if !bug {
+ println("BUG")
+ bug = true
+ }
+ println("didn't crash: ", desc)
+}
+
+func badlen() {
+ g1 = make([]int, minus1)
+}
+
+func biglen() {
+ g1 = make([]int, big)
+}
+
+func badcap() {
+ g1 = make([]int, 10, minus1)
+}
+
+func badcap1() {
+ g1 = make([]int, 10, 5)
+}
+
+func bigcap() {
+ g1 = make([]int, 10, big)
+}
+
+var g3 map[int]int
+func badmapcap() {
+ g3 = make(map[int]int, minus1)
+}
+
+func bigmapcap() {
+ g3 = make(map[int]int, big)
+}
+
+var g4 chan int
+func badchancap() {
+ g4 = make(chan int, minus1)
+}
+
+func bigchancap() {
+ g4 = make(chan int, big)
+}
+
+const addrBits = unsafe.Sizeof((*byte)(nil))
+
+var g5 chan [1<<15]byte
+func overflowchan() {
+ if addrBits == 32 {
+ g5 = make(chan [1<<15]byte, 1<<20)
+ } else {
+ // cannot overflow on 64-bit, because
+ // int is 32 bits and max chan value size
+ // in the implementation is 64 kB.
+ panic(1)
+ }
+}
+
+func main() {
+ shouldfail(badlen, "badlen")
+ shouldfail(biglen, "biglen")
+ shouldfail(badcap, "badcap")
+ shouldfail(badcap1, "badcap1")
+ shouldfail(bigcap, "bigcap")
+ shouldfail(badmapcap, "badmapcap")
+ shouldfail(bigmapcap, "bigmapcap")
+ shouldfail(badchancap, "badchancap")
+ shouldfail(bigchancap, "bigchancap")
+ shouldfail(overflowchan, "overflowchan")
+}