third_party/web_platform_tests/url/urlsearchparams-get.html

<!doctype html>
<html>
<head>
<meta charset="utf8">
<link rel="help" href="http://url.spec.whatwg.org/#dom-urlsearchparams-get">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/testharness-extras.js"></script>
<script>
test(function() {
    var params = new URLSearchParams('a=b&c=d');
    assert_equals(params.get('a'), 'b');
    assert_equals(params.get('c'), 'd');
    assert_equals(params.get('e'), null);
    params = new URLSearchParams('a=b&c=d&a=e');
    assert_equals(params.get('a'), 'b');
    params = new URLSearchParams('=b&c=d');
    assert_equals(params.get(''), 'b');
    params = new URLSearchParams('a=&c=d&a=e');
    assert_equals(params.get('a'), '');
}, 'Get basics');

test(function() {
    var params = new URLSearchParams('first=second&third&&');
    assert_true(params != null, 'constructor returned non-null value.');
    assert_true(params.has('first'), 'Search params object has name "first"');
    assert_equals(params.get('first'), 'second', 'Search params object has name "first" with value "second"');
    assert_equals(params.get('third'), '', 'Search params object has name "third" with the empty value.');
    assert_equals(params.get('fourth'), null, 'Search params object has no "fourth" name and value.');
}, 'More get() basics');
</script>
</head>
</html>