11cb0ef41Sopenharmony_citest(function() {
21cb0ef41Sopenharmony_ci    var params = new URLSearchParams('a=b&c=d');
31cb0ef41Sopenharmony_ci    params.set('a', 'B');
41cb0ef41Sopenharmony_ci    assert_equals(params + '', 'a=B&c=d');
51cb0ef41Sopenharmony_ci    params = new URLSearchParams('a=b&c=d&a=e');
61cb0ef41Sopenharmony_ci    params.set('a', 'B');
71cb0ef41Sopenharmony_ci    assert_equals(params + '', 'a=B&c=d')
81cb0ef41Sopenharmony_ci    params.set('e', 'f');
91cb0ef41Sopenharmony_ci    assert_equals(params + '', 'a=B&c=d&e=f')
101cb0ef41Sopenharmony_ci}, 'Set basics');
111cb0ef41Sopenharmony_ci
121cb0ef41Sopenharmony_citest(function() {
131cb0ef41Sopenharmony_ci    var params = new URLSearchParams('a=1&a=2&a=3');
141cb0ef41Sopenharmony_ci    assert_true(params.has('a'), 'Search params object has name "a"');
151cb0ef41Sopenharmony_ci    assert_equals(params.get('a'), '1', 'Search params object has name "a" with value "1"');
161cb0ef41Sopenharmony_ci    params.set('first', 4);
171cb0ef41Sopenharmony_ci    assert_true(params.has('a'), 'Search params object has name "a"');
181cb0ef41Sopenharmony_ci    assert_equals(params.get('a'), '1', 'Search params object has name "a" with value "1"');
191cb0ef41Sopenharmony_ci    params.set('a', 4);
201cb0ef41Sopenharmony_ci    assert_true(params.has('a'), 'Search params object has name "a"');
211cb0ef41Sopenharmony_ci    assert_equals(params.get('a'), '4', 'Search params object has name "a" with value "4"');
221cb0ef41Sopenharmony_ci}, 'URLSearchParams.set');
23