1 files changed, 43 insertions, 0 deletions
diff --git a/test/fixedbugs/issue14636.go b/test/fixedbugs/issue14636.go
new file mode 100644
index 0000000..770fb4a
--- /dev/null
+++ b/test/fixedbugs/issue14636.go
@@ -0,0 +1,43 @@
+// +build !nacl,!js,!wasip1,!android,gc
+// run
+
+// Copyright 2016 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.
+
+package main
+
+import (
+	"bytes"
+	"log"
+	"os/exec"
+	"strings"
+)
+
+func main() {
+	checkLinkOutput("", "-B argument must start with 0x")
+	checkLinkOutput("0", "-B argument must start with 0x")
+	checkLinkOutput("0x", "usage")
+	checkLinkOutput("0x0", "-B argument must have even number of digits")
+	checkLinkOutput("0x00", "usage")
+	checkLinkOutput("0xYZ", "-B argument contains invalid hex digit")
+	checkLinkOutput("0x"+strings.Repeat("00", 32), "usage")
+	checkLinkOutput("0x"+strings.Repeat("00", 33), "-B option too long (max 32 digits)")
+}
+
+func checkLinkOutput(buildid string, message string) {
+	cmd := exec.Command("go", "tool", "link", "-B", buildid)
+	out, err := cmd.CombinedOutput()
+	if err == nil {
+		log.Fatalf("expected cmd/link to fail")
+	}
+
+	firstLine := string(bytes.SplitN(out, []byte("\n"), 2)[0])
+	if strings.HasPrefix(firstLine, "panic") {
+		log.Fatalf("cmd/link panicked:\n%s", out)
+	}
+
+	if !strings.Contains(firstLine, message) {
+		log.Fatalf("cmd/link output did not include expected message %q: %s", message, firstLine)
+	}
+}