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" Tests for ->method()
func Test_list()
let l = [1, 2, 3]
call assert_equal([1, 2, 3, 4], [1, 2, 3]->add(4))
call assert_equal(l, l->copy())
call assert_equal(1, l->count(2))
call assert_false(l->empty())
call assert_true([]->empty())
call assert_equal([1, 2, 3, 4, 5], [1, 2, 3]->extend([4, 5]))
call assert_equal([1, 3], [1, 2, 3]->filter('v:val != 2'))
call assert_equal(2, l->get(1))
call assert_equal(1, l->index(2))
call assert_equal([0, 1, 2, 3], [1, 2, 3]->insert(0))
call assert_fails('let x = l->items()', 'E715:')
call assert_equal('1 2 3', l->join())
call assert_fails('let x = l->keys()', 'E715:')
call assert_equal(3, l->len())
call assert_equal([2, 3, 4], [1, 2, 3]->map('v:val + 1'))
call assert_equal(3, l->max())
call assert_equal(1, l->min())
call assert_equal(2, [1, 2, 3]->remove(1))
call assert_equal([1, 2, 3, 1, 2, 3], l->repeat(2))
call assert_equal([3, 2, 1], [1, 2, 3]->reverse())
call assert_equal([1, 2, 3, 4], [4, 2, 3, 1]->sort())
call assert_equal('[1, 2, 3]', l->string())
call assert_equal(v:t_list, l->type())
call assert_equal([1, 2, 3], [1, 1, 2, 3, 3]->uniq())
call assert_fails('let x = l->values()', 'E715:')
endfunc
func Test_dict()
let d = #{one: 1, two: 2, three: 3}
call assert_equal(d, d->copy())
call assert_equal(1, d->count(2))
call assert_false(d->empty())
call assert_true({}->empty())
call assert_equal(#{one: 1, two: 2, three: 3, four: 4}, d->extend(#{four: 4}))
call assert_equal(#{one: 1, two: 2, three: 3}, d->filter('v:val != 4'))
call assert_equal(2, d->get('two'))
call assert_fails("let x = d->index(2)", 'E897:')
call assert_fails("let x = d->insert(0)", 'E899:')
call assert_equal([['one', 1], ['two', 2], ['three', 3]], d->items())
call assert_fails("let x = d->join()", 'E714:')
call assert_equal(['one', 'two', 'three'], d->keys())
call assert_equal(3, d->len())
call assert_equal(#{one: 2, two: 3, three: 4}, d->map('v:val + 1'))
call assert_equal(#{one: 1, two: 2, three: 3}, d->map('v:val - 1'))
call assert_equal(3, d->max())
call assert_equal(1, d->min())
call assert_equal(2, d->remove("two"))
let d.two = 2
call assert_fails('let x = d->repeat(2)', 'E731:')
call assert_fails('let x = d->reverse()', 'E899:')
call assert_fails('let x = d->sort()', 'E686:')
call assert_equal("{'one': 1, 'two': 2, 'three': 3}", d->string())
call assert_equal(v:t_dict, d->type())
call assert_fails('let x = d->uniq()', 'E686:')
call assert_equal([1, 2, 3], d->values())
endfunc
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