test: improve punycode test coverage

seppevs · Italo A. Casas · commit 6f866ae00200 · 2017-02-14T12:02:16.000-05:00
Adds two additional tests for mapDomain function in punycode.js. When an email address is given to the toASCII() and toUnicode() functions, only the parts before the '@' character should be encoded/decoded. PR-URL: #11144 Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Sakthipriyan Vairamani <thechargingvolcano@gmail.com>
diff --git a/test/parallel/test-punycode.js b/test/parallel/test-punycode.js
@@ -237,3 +237,9 @@ assert.strictEqual(punycode.ucs2.encode([0xDC00]), '\uDC00');
 assert.strictEqual(punycode.ucs2.encode([0xDC00, 0x61, 0x62]), '\uDC00ab');
 
 assert.strictEqual(errors, 0);
+
+// test map domain
+assert.strictEqual(punycode.toASCII('Bücher@日本語.com'),
+                   'Bücher@xn--wgv71a119e.com');
+assert.strictEqual(punycode.toUnicode('Bücher@xn--wgv71a119e.com'),
+                   'Bücher@日本語.com');
