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-rw-r--r--test/fixedbugs/bug273.go79
1 files changed, 79 insertions, 0 deletions
diff --git a/test/fixedbugs/bug273.go b/test/fixedbugs/bug273.go
new file mode 100644
index 0000000..2af8800
--- /dev/null
+++ b/test/fixedbugs/bug273.go
@@ -0,0 +1,79 @@
+// run
+
+// 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.
+
+// https://golang.org/issue/589
+
+package main
+
+import "unsafe"
+
+var bug = false
+
+var minus1 = -1
+var five = 5
+var big int64 = 10 | 1<<46
+
+type block [1 << 19]byte
+
+var g1 []block
+
+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([]block, minus1)
+}
+
+func biglen() {
+ g1 = make([]block, big)
+}
+
+func badcap() {
+ g1 = make([]block, 10, minus1)
+}
+
+func badcap1() {
+ g1 = make([]block, 10, five)
+}
+
+func bigcap() {
+ g1 = make([]block, 10, big)
+}
+
+type cblock [1<<16 - 1]byte
+
+var g4 chan cblock
+
+func badchancap() {
+ g4 = make(chan cblock, minus1)
+}
+
+func bigchancap() {
+ g4 = make(chan cblock, big)
+}
+
+func overflowchan() {
+ const ptrSize = unsafe.Sizeof(uintptr(0))
+ g4 = make(chan cblock, 1<<(30*(ptrSize/4)))
+}
+
+func main() {
+ shouldfail(badlen, "badlen")
+ shouldfail(biglen, "biglen")
+ shouldfail(badcap, "badcap")
+ shouldfail(badcap1, "badcap1")
+ shouldfail(bigcap, "bigcap")
+ shouldfail(badchancap, "badchancap")
+ shouldfail(bigchancap, "bigchancap")
+ shouldfail(overflowchan, "overflowchan")
+}