diff --git a/test/sinit_run.go b/test/sinit_run.go
new file mode 100644
index 0000000..a21bd10
--- /dev/null
+++ b/test/sinit_run.go
@@ -0,0 +1,39 @@
+// run
+
+// Copyright 2014 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.
+
+// Run the sinit test.
+
+package main
+
+import (
+	"bytes"
+	"fmt"
+	"go/build"
+	"os"
+	"os/exec"
+)
+
+func main() {
+	letter, err := build.ArchChar(build.Default.GOARCH)
+	if err != nil {
+		fmt.Println(err)
+		os.Exit(1)
+	}
+
+	cmd := exec.Command("go", "tool", letter+"g", "-S", "sinit.go")
+	out, err := cmd.CombinedOutput()
+	if err != nil {
+		fmt.Println(string(out))
+		fmt.Println(err)
+		os.Exit(1)
+	}
+	os.Remove("sinit." + letter)
+
+	if bytes.Contains(out, []byte("initdone")) {
+		fmt.Println("sinit generated an init function")
+		os.Exit(1)
+	}
+}