url, test: add inspect to TupleOrigin

lib/internal/url.js

@@ -69,6 +69,15 @@ class TupleOrigin{
  result += `:${this.port}`;
  return result;
  }
+
+ inspect(){
+ return `TupleOrigin{
+ scheme: ${this.scheme},
+ host: ${this.host},
+ port: ${this.port},
+ domain: ${this.domain}
+ }`;
+ }
 }
 
 class URL{

test/parallel/test-util-inspect-tuple-origin.js

@@ -0,0 +1,37 @@
+'use strict'
+
+require('../common');
+const assert = require('assert');
+const inspect = require('util').inspect;
+const URL = require('url').URL;
+
+assert.strictEqual(
+ inspect(URL.originFor('http://test.com:8000')),
+ `TupleOrigin{
+ scheme: http,
+ host: test.com,
+ port: 8000,
+ domain: null
+ }`
+ );
+
+assert.strictEqual(
+ inspect(URL.originFor('http://test.com')),
+ `TupleOrigin{
+ scheme: http,
+ host: test.com,
+ port: undefined,
+ domain: null
+ }`
+ );
+
+
+assert.strictEqual(
+ inspect(URL.originFor('https://test.com')),
+ `TupleOrigin{
+ scheme: https,
+ host: test.com,
+ port: undefined,
+ domain: null
+ }`
+ );