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-rw-r--r--test/fixedbugs/bug303.go37
1 files changed, 37 insertions, 0 deletions
diff --git a/test/fixedbugs/bug303.go b/test/fixedbugs/bug303.go
new file mode 100644
index 0000000..aef8b22
--- /dev/null
+++ b/test/fixedbugs/bug303.go
@@ -0,0 +1,37 @@
+// 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.
+
+// Issue 1011. Removing either #1 or #3 avoided the crash at #2.
+
+package main
+
+import (
+ "io"
+ "strings"
+)
+
+func readU16BE(b []byte) uint16 {
+ b[0] = 0
+ b[1] = 1
+ return uint16(b[0])<<8 + uint16(b[1]) // #1
+ n := uint16(b[0])<<8 + uint16(b[1])
+ return n
+}
+
+func readStr(r io.Reader, b []byte) string {
+ n := readU16BE(b)
+ if int(n) > len(b) {
+ return "err: n>b"
+ }
+ io.ReadFull(r, b[0:n]) // #2
+ return string(b[0:n]) // #3
+ return "ok"
+}
+
+func main() {
+ br := strings.NewReader("abcd")
+ readStr(br, make([]byte, 256))
+}