From 4e05f07a4ec8178062ba05076abec0265c5e0862 Mon Sep 17 00:00:00 2001
From: Zander Mackie <zmackie@gmail.com>
Date: Mon, 28 Nov 2016 07:50:48 -0500
Subject: [PATCH] Add test for flags.

License: MIT
Signed-off-by: Zander Mackie <zmackie@gmail.com>
---
 flags/flags_test.go | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 flags/flags_test.go

diff --git a/flags/flags_test.go b/flags/flags_test.go
new file mode 100644
index 000000000..e7a62a9ed
--- /dev/null
+++ b/flags/flags_test.go
@@ -0,0 +1,20 @@
+package flags
+
+import (
+	"os"
+	"testing"
+)
+
+// This variable is initialized before flags init(), so we export the ENV variable here.
+var _lowMemOn = lowMemOn()
+
+func lowMemOn() error {
+	os.Setenv("IPFS_LOW_MEM", "true")
+	return nil
+}
+
+func TestLowMemMode(t *testing.T) {
+	if !LowMemMode {
+		t.Fatal("LowMemMode does not turn on even with 'IPFS_LOW_MEM' ENV variable set.")
+	}
+}