1" Tests for ->method() 2 3func Test_list_method() 4 let l = [1, 2, 3] 5 call assert_equal([1, 2, 3, 4], [1, 2, 3]->add(4)) 6 eval l->assert_equal(l) 7 eval l->assert_equal(l, 'wrong') 8 eval l->assert_notequal([3, 2, 1]) 9 eval l->assert_notequal([3, 2, 1], 'wrong') 10 call assert_equal(l, l->copy()) 11 call assert_equal(1, l->count(2)) 12 call assert_false(l->empty()) 13 call assert_true([]->empty()) 14 call assert_equal(579, ['123', '+', '456']->join()->eval()) 15 call assert_equal([1, 2, 3, 4, 5], [1, 2, 3]->extend([4, 5])) 16 call assert_equal([1, 3], [1, 2, 3]->filter('v:val != 2')) 17 call assert_equal(2, l->get(1)) 18 call assert_equal(1, l->index(2)) 19 call assert_equal([0, 1, 2, 3], [1, 2, 3]->insert(0)) 20 call assert_fails('eval l->items()', 'E715:') 21 call assert_equal('1 2 3', l->join()) 22 call assert_fails('eval l->keys()', 'E715:') 23 call assert_equal(3, l->len()) 24 call assert_equal([2, 3, 4], [1, 2, 3]->map('v:val + 1')) 25 call assert_equal(3, l->max()) 26 call assert_equal(1, l->min()) 27 call assert_equal(2, [1, 2, 3]->remove(1)) 28 call assert_equal([1, 2, 3, 1, 2, 3], l->repeat(2)) 29 call assert_equal([3, 2, 1], [1, 2, 3]->reverse()) 30 call assert_equal([1, 2, 3, 4], [4, 2, 3, 1]->sort()) 31 call assert_equal('[1, 2, 3]', l->string()) 32 call assert_equal(v:t_list, l->type()) 33 call assert_equal([1, 2, 3], [1, 1, 2, 3, 3]->uniq()) 34 call assert_fails('eval l->values()', 'E715:') 35endfunc 36 37func Test_dict_method() 38 let d = #{one: 1, two: 2, three: 3} 39 40 call assert_equal(d, d->copy()) 41 call assert_equal(1, d->count(2)) 42 call assert_false(d->empty()) 43 call assert_true({}->empty()) 44 call assert_equal(#{one: 1, two: 2, three: 3, four: 4}, d->extend(#{four: 4})) 45 call assert_equal(#{one: 1, two: 2, three: 3}, d->filter('v:val != 4')) 46 call assert_equal(2, d->get('two')) 47 call assert_fails("let x = d->index(2)", 'E897:') 48 call assert_fails("let x = d->insert(0)", 'E899:') 49 call assert_true(d->has_key('two')) 50 call assert_equal([['one', 1], ['two', 2], ['three', 3]], d->items()) 51 call assert_fails("let x = d->join()", 'E714:') 52 call assert_equal(['one', 'two', 'three'], d->keys()) 53 call assert_equal(3, d->len()) 54 call assert_equal(#{one: 2, two: 3, three: 4}, d->map('v:val + 1')) 55 call assert_equal(#{one: 1, two: 2, three: 3}, d->map('v:val - 1')) 56 call assert_equal(3, d->max()) 57 call assert_equal(1, d->min()) 58 call assert_equal(2, d->remove("two")) 59 let d.two = 2 60 call assert_fails('let x = d->repeat(2)', 'E731:') 61 call assert_fails('let x = d->reverse()', 'E899:') 62 call assert_fails('let x = d->sort()', 'E686:') 63 call assert_equal("{'one': 1, 'two': 2, 'three': 3}", d->string()) 64 call assert_equal(v:t_dict, d->type()) 65 call assert_fails('let x = d->uniq()', 'E686:') 66 call assert_equal([1, 2, 3], d->values()) 67endfunc 68 69func Test_string_method() 70 eval '1 2 3'->split()->assert_equal(['1', '2', '3']) 71 eval '1 2 3'->split()->map({i, v -> str2nr(v)})->assert_equal([1, 2, 3]) 72 eval 'ABC'->str2list()->assert_equal([65, 66, 67]) 73 eval 'ABC'->strlen()->assert_equal(3) 74 eval "a\rb\ec"->strtrans()->assert_equal('a^Mb^[c') 75 eval "aあb"->strwidth()->assert_equal(4) 76 eval 'abc'->substitute('b', 'x', '')->assert_equal('axc') 77 78 eval 'abc'->printf('the %s arg')->assert_equal('the abc arg') 79endfunc 80 81func Test_method_append() 82 new 83 eval ['one', 'two', 'three']->append(1) 84 call assert_equal(['', 'one', 'two', 'three'], getline(1, '$')) 85 86 %del 87 let bnr = bufnr('') 88 wincmd w 89 eval ['one', 'two', 'three']->appendbufline(bnr, 1) 90 call assert_equal(['', 'one', 'two', 'three'], getbufline(bnr, 1, '$')) 91 92 exe 'bwipe! ' .. bnr 93endfunc 94 95func Test_method_funcref() 96 func Concat(one, two, three) 97 return a:one .. a:two .. a:three 98 endfunc 99 let FuncRef = function('Concat') 100 eval 'foo'->FuncRef('bar', 'tail')->assert_equal('foobartail') 101 102 " not enough arguments 103 call assert_fails("eval 'foo'->FuncRef('bar')", 'E119:') 104 " too many arguments 105 call assert_fails("eval 'foo'->FuncRef('bar', 'tail', 'four')", 'E118:') 106 107 let Partial = function('Concat', ['two']) 108 eval 'one'->Partial('three')->assert_equal('onetwothree') 109 110 " not enough arguments 111 call assert_fails("eval 'one'->Partial()", 'E119:') 112 " too many arguments 113 call assert_fails("eval 'one'->Partial('three', 'four')", 'E118:') 114 115 delfunc Concat 116endfunc 117 118func Test_method_syntax() 119 eval [1, 2, 3] ->sort( ) 120 eval [1, 2, 3] 121 \ ->sort( 122 \ ) 123 call assert_fails('eval [1, 2, 3]-> sort()', 'E260:') 124 call assert_fails('eval [1, 2, 3]->sort ()', 'E274:') 125 call assert_fails('eval [1, 2, 3]-> sort ()', 'E260:') 126endfunc 127 128func Test_method_lambda() 129 eval "text"->{x -> x .. " extended"}()->assert_equal('text extended') 130 eval "text"->{x, y -> x .. " extended " .. y}('more')->assert_equal('text extended more') 131 132 call assert_fails('eval "text"->{x -> x .. " extended"} ()', 'E274:') 133 134 " todo: lambda accepts more arguments than it consumes 135 " call assert_fails('eval "text"->{x -> x .. " extended"}("more")', 'E99:') 136endfunc 137