test: add more WHATWG URL origin tests

PR-URL: nodejs#11691
Reviewed-By: Luigi Pinca <[email protected]>
Reviewed-By: Joyee Cheung <[email protected]>
Reviewed-By: Timothy Gu <[email protected]>
Reviewed-By: Daijiro Wachi <[email protected]>
Reviewed-By: Colin Ihrig <[email protected]>
Reviewed-By: James M Snell <[email protected]>

test/parallel/test-whatwg-url-properties.js

@@ -142,3 +142,19 @@ assert.strictEqual(url.searchParams, oldParams);
   assert.strictEqual(opts.search, '?l=24');
   assert.strictEqual(opts.hash, '#test');
 }
+
+// Test special origins
+[
+  { expected: 'https://whatwg.org',
+    url: 'blob:https://whatwg.org/d0360e2f-caee-469f-9a2f-87d5b0456f6f' },
+  { expected: 'ftp://example.org', url: 'ftp://example.org/foo' },
+  { expected: 'gopher://gopher.quux.org', url: 'gopher://gopher.quux.org/1/' },
+  { expected: 'http://example.org', url: 'http://example.org/foo' },
+  { expected: 'https://example.org', url: 'https://example.org/foo' },
+  { expected: 'ws://example.org', url: 'ws://example.org/foo' },
+  { expected: 'wss://example.org', url: 'wss://example.org/foo' },
+  { expected: 'null', url: 'file:///tmp/mock/path' },
+  { expected: 'null', url: 'npm://nodejs/rules' }
+].forEach((test) => {
+  assert.strictEqual(new URL(test.url).origin, test.expected);
+});