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(l, l->deepcopy()) 12 call assert_equal(1, l->count(2)) 13 call assert_false(l->empty()) 14 call assert_true([]->empty()) 15 call assert_equal(579, ['123', '+', '456']->join()->eval()) 16 call assert_equal([1, 2, 3, 4, 5], [1, 2, 3]->extend([4, 5])) 17 call assert_equal([1, 3], [1, 2, 3]->filter('v:val != 2')) 18 call assert_equal(2, l->get(1)) 19 call assert_equal(1, l->index(2)) 20 call assert_equal([0, 1, 2, 3], [1, 2, 3]->insert(0)) 21 call assert_fails('eval l->items()', 'E715:') 22 call assert_equal('1 2 3', l->join()) 23 call assert_fails('eval l->keys()', 'E715:') 24 call assert_equal(3, l->len()) 25 call assert_equal([2, 3, 4], [1, 2, 3]->map('v:val + 1')) 26 call assert_equal(3, l->max()) 27 call assert_equal(1, l->min()) 28 call assert_equal(2, [1, 2, 3]->remove(1)) 29 call assert_equal([1, 2, 3, 1, 2, 3], l->repeat(2)) 30 call assert_equal([3, 2, 1], [1, 2, 3]->reverse()) 31 call assert_equal([1, 2, 3, 4], [4, 2, 3, 1]->sort()) 32 call assert_equal('[1, 2, 3]', l->string()) 33 call assert_equal(v:t_list, l->type()) 34 call assert_equal([1, 2, 3], [1, 1, 2, 3, 3]->uniq()) 35 call assert_fails('eval l->values()', 'E715:') 36endfunc 37 38func Test_dict_method() 39 let d = #{one: 1, two: 2, three: 3} 40 41 call assert_equal(d, d->copy()) 42 call assert_equal(d, d->deepcopy()) 43 call assert_equal(1, d->count(2)) 44 call assert_false(d->empty()) 45 call assert_true({}->empty()) 46 call assert_equal(#{one: 1, two: 2, three: 3, four: 4}, d->extend(#{four: 4})) 47 call assert_equal(#{one: 1, two: 2, three: 3}, d->filter('v:val != 4')) 48 call assert_equal(2, d->get('two')) 49 call assert_fails("let x = d->index(2)", 'E897:') 50 call assert_fails("let x = d->insert(0)", 'E899:') 51 call assert_true(d->has_key('two')) 52 call assert_equal([['one', 1], ['two', 2], ['three', 3]], d->items()) 53 call assert_fails("let x = d->join()", 'E714:') 54 call assert_equal(['one', 'two', 'three'], d->keys()) 55 call assert_equal(3, d->len()) 56 call assert_equal(#{one: 2, two: 3, three: 4}, d->map('v:val + 1')) 57 call assert_equal(#{one: 1, two: 2, three: 3}, d->map('v:val - 1')) 58 call assert_equal(3, d->max()) 59 call assert_equal(1, d->min()) 60 call assert_equal(2, d->remove("two")) 61 let d.two = 2 62 call assert_fails('let x = d->repeat(2)', 'E731:') 63 call assert_fails('let x = d->reverse()', 'E899:') 64 call assert_fails('let x = d->sort()', 'E686:') 65 call assert_equal("{'one': 1, 'two': 2, 'three': 3}", d->string()) 66 call assert_equal(v:t_dict, d->type()) 67 call assert_fails('let x = d->uniq()', 'E686:') 68 call assert_equal([1, 2, 3], d->values()) 69endfunc 70 71func Test_string_method() 72 eval '1 2 3'->split()->assert_equal(['1', '2', '3']) 73 eval '1 2 3'->split()->map({i, v -> str2nr(v)})->assert_equal([1, 2, 3]) 74 eval 'ABC'->str2list()->assert_equal([65, 66, 67]) 75 eval 'ABC'->strlen()->assert_equal(3) 76 eval "a\rb\ec"->strtrans()->assert_equal('a^Mb^[c') 77 eval "aあb"->strwidth()->assert_equal(4) 78 eval 'abc'->substitute('b', 'x', '')->assert_equal('axc') 79 80 eval 'abc'->printf('the %s arg')->assert_equal('the abc arg') 81endfunc 82 83func Test_method_append() 84 new 85 eval ['one', 'two', 'three']->append(1) 86 call assert_equal(['', 'one', 'two', 'three'], getline(1, '$')) 87 88 %del 89 let bnr = bufnr('') 90 wincmd w 91 eval ['one', 'two', 'three']->appendbufline(bnr, 1) 92 call assert_equal(['', 'one', 'two', 'three'], getbufline(bnr, 1, '$')) 93 94 exe 'bwipe! ' .. bnr 95endfunc 96 97func Test_method_funcref() 98 func Concat(one, two, three) 99 return a:one .. a:two .. a:three 100 endfunc 101 let FuncRef = function('Concat') 102 eval 'foo'->FuncRef('bar', 'tail')->assert_equal('foobartail') 103 104 " not enough arguments 105 call assert_fails("eval 'foo'->FuncRef('bar')", 'E119:') 106 " too many arguments 107 call assert_fails("eval 'foo'->FuncRef('bar', 'tail', 'four')", 'E118:') 108 109 let Partial = function('Concat', ['two']) 110 eval 'one'->Partial('three')->assert_equal('onetwothree') 111 112 " not enough arguments 113 call assert_fails("eval 'one'->Partial()", 'E119:') 114 " too many arguments 115 call assert_fails("eval 'one'->Partial('three', 'four')", 'E118:') 116 117 delfunc Concat 118endfunc 119 120func Test_method_float() 121 eval 1.234->string()->assert_equal('1.234') 122 eval -1.234->string()->assert_equal('-1.234') 123endfunc 124 125func Test_method_syntax() 126 eval [1, 2, 3] ->sort( ) 127 eval [1, 2, 3] 128 \ ->sort( 129 \ ) 130 call assert_fails('eval [1, 2, 3]-> sort()', 'E260:') 131 call assert_fails('eval [1, 2, 3]->sort ()', 'E274:') 132 call assert_fails('eval [1, 2, 3]-> sort ()', 'E260:') 133endfunc 134 135func Test_method_lambda() 136 eval "text"->{x -> x .. " extended"}()->assert_equal('text extended') 137 eval "text"->{x, y -> x .. " extended " .. y}('more')->assert_equal('text extended more') 138 139 call assert_fails('eval "text"->{x -> x .. " extended"} ()', 'E274:') 140 141 " todo: lambda accepts more arguments than it consumes 142 " call assert_fails('eval "text"->{x -> x .. " extended"}("more")', 'E99:') 143endfunc 144 145func Test_method_not_supported() 146 call assert_fails('eval 123->changenr()', 'E276:') 147endfunc 148