pkg/osutil: add IsExist helper function

1 files changed, 18 insertions, 0 deletions

diff --git a/pkg/osutil/osutil_test.go b/pkg/osutil/osutil_test.go
new file mode 100644
index 000000000..ee4cb6705
--- /dev/null
+++ b/pkg/osutil/osutil_test.go
@@ -0,0 +1,18 @@
+// Copyright 2017 syzkaller project authors. All rights reserved.
+// Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
+
+package osutil
+
+import (
+	"os"
+	"testing"
+)
+
+func TestIsExist(t *testing.T) {
+	if f := os.Args[0]; !IsExist(f) {
+		t.Fatalf("executable %v does not exist", f)
+	}
+	if f := os.Args[0] + "-foo-bar-buz"; IsExist(f) {
+		t.Fatalf("file %v exists", f)
+	}
+}