[Tests] crypto.privateDecrypt is only in node 0.12+

Author: ljharb

test/index.js

@@ -26,27 +26,31 @@ test('browserify-rsa', function (t) {
 				);
 			}
 
-			var len = priv.modulus.byteLength();
-			for (var j2 = 1; j2 < 41; ++j2) {
-				do {
-					r = new BN(crypto.randomBytes(len));
-				} while (r.cmp(priv.modulus) >= 0);
-				var buf = r.toArrayLike(Buffer, 'be');
-				if (buf.byteLength < priv.modulus.byteLength()) {
-					var tmp = new Buffer(priv.modulus.byteLength() - buf.byteLength);
-					tmp.fill(0);
-					buf = Buffer.concat([tmp, buf]);
+			st.test('compared to node encryption', { skip: !crypto.privateDecrypt }, function (s2t) {
+				var len = priv.modulus.byteLength();
+				for (var j2 = 1; j2 < 41; ++j2) {
+					do {
+						r = new BN(crypto.randomBytes(len));
+					} while (r.cmp(priv.modulus) >= 0);
+					var buf = r.toArrayLike(Buffer, 'be');
+					if (buf.byteLength < priv.modulus.byteLength()) {
+						var tmp = new Buffer(priv.modulus.byteLength() - buf.byteLength);
+						tmp.fill(0);
+						buf = Buffer.concat([tmp, buf]);
+					}
+					var nodeEncrypt = crypto.privateDecrypt({
+						padding: constants.RSA_NO_PADDING,
+						key: key
+					}, buf).toString('hex');
+					s2t.equal(
+						crt(buf, priv).toString('hex'),
+						nodeEncrypt,
+						'round trip key ' + (i + 1) + ' run ' + j2 + ' equal encrypts'
+					);
 				}
-				var nodeEncrypt = crypto.privateDecrypt({
-					padding: constants.RSA_NO_PADDING,
-					key: key
-				}, buf).toString('hex');
-				st.equal(
-					crt(buf, priv).toString('hex'),
-					nodeEncrypt,
-					'round trip key ' + (i + 1) + ' run ' + j2 + ' equal encrypts'
-				);
-			}
+
+				s2t.end();
+			});
 
 			st.end();
 		});