test: increase fs.exists coverage

NigelKibodeaux · MylesBorins · commit dce1c09f0493 · 2017-11-16T16:24:34.000-05:00
PR-URL: #15963 Reviewed-By: Anatoli Papirovski <apapirovski@mac.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com> Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de> Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
diff --git a/test/parallel/test-fs-exists.js b/test/parallel/test-fs-exists.js
@@ -8,6 +8,8 @@ fs.exists(f, common.mustCall(function(y) {
   assert.strictEqual(y, true);
 }));
 
+assert.doesNotThrow(() => fs.exists(f));
+
 fs.exists(`${f}-NO`, common.mustCall(function(y) {
   assert.strictEqual(y, false);
 }));
