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'use strict';
require('../common');
const assert = require('assert');
const URLSearchParams = require('url').URLSearchParams;
let params;
// Append same name
params = new URLSearchParams();
params.append('a', 'b');
assert.strictEqual(params + '', 'a=b');
params.append('a', 'b');
assert.strictEqual(params + '', 'a=b&a=b');
params.append('a', 'c');
assert.strictEqual(params + '', 'a=b&a=b&a=c');
// Append empty strings
params = new URLSearchParams();
params.append('', '');
assert.strictEqual(params + '', '=');
params.append('', '');
assert.strictEqual(params + '', '=&=');
// Append null
params = new URLSearchParams();
params.append(null, null);
assert.strictEqual(params + '', 'null=null');
params.append(null, null);
assert.strictEqual(params + '', 'null=null&null=null');
// Append multiple
params = new URLSearchParams();
params.append('first', 1);
params.append('second', 2);
params.append('third', '');
params.append('first', 10);
assert.strictEqual(true, params.has('first'),
'Search params object has name "first"');
assert.strictEqual(params.get('first'), '1',
'Search params object has name "first" with value "1"');
assert.strictEqual(params.get('second'), '2',
'Search params object has name "second" with value "2"');
assert.strictEqual(params.get('third'), '',
'Search params object has name "third" with value ""');
params.append('first', 10);
assert.strictEqual(params.get('first'), '1',
'Search params object has name "first" with value "1"');
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