1" Tests for ->method() 2 3source check.vim 4 5func Test_list_method() 6 let l = [1, 2, 3] 7 call assert_equal([1, 2, 3, 4], [1, 2, 3]->add(4)) 8 eval l->assert_equal(l) 9 eval l->assert_equal(l, 'wrong') 10 eval l->assert_notequal([3, 2, 1]) 11 eval l->assert_notequal([3, 2, 1], 'wrong') 12 call assert_equal(l, l->copy()) 13 call assert_equal(l, l->deepcopy()) 14 call assert_equal(1, l->count(2)) 15 call assert_false(l->empty()) 16 call assert_true([]->empty()) 17 call assert_equal(579, ['123', '+', '456']->join()->eval()) 18 call assert_equal([1, 2, 3, 4, 5], [1, 2, 3]->extend([4, 5])) 19 call assert_equal([1, 3], [1, 2, 3]->filter('v:val != 2')) 20 call assert_equal(2, l->get(1)) 21 call assert_equal(1, l->index(2)) 22 call assert_equal([0, 1, 2, 3], [1, 2, 3]->insert(0)) 23 call assert_fails('eval l->items()', 'E715:') 24 call assert_equal('1 2 3', l->join()) 25 call assert_fails('eval l->keys()', 'E715:') 26 call assert_equal(3, l->len()) 27 call assert_equal([2, 3, 4], [1, 2, 3]->map('v:val + 1')) 28 call assert_equal(3, l->max()) 29 call assert_equal(1, l->min()) 30 call assert_equal(2, [1, 2, 3]->remove(1)) 31 call assert_equal([1, 2, 3, 1, 2, 3], l->repeat(2)) 32 call assert_equal([3, 2, 1], [1, 2, 3]->reverse()) 33 call assert_equal([1, 2, 3, 4], [4, 2, 3, 1]->sort()) 34 call assert_equal('[1, 2, 3]', l->string()) 35 call assert_equal(v:t_list, l->type()) 36 call assert_equal([1, 2, 3], [1, 1, 2, 3, 3]->uniq()) 37 call assert_fails('eval l->values()', 'E715:') 38endfunc 39 40func Test_dict_method() 41 let d = #{one: 1, two: 2, three: 3} 42 43 call assert_equal(d, d->copy()) 44 call assert_equal(d, d->deepcopy()) 45 call assert_equal(1, d->count(2)) 46 call assert_false(d->empty()) 47 call assert_true({}->empty()) 48 call assert_equal(#{one: 1, two: 2, three: 3, four: 4}, d->extend(#{four: 4})) 49 call assert_equal(#{one: 1, two: 2, three: 3}, d->filter('v:val != 4')) 50 call assert_equal(2, d->get('two')) 51 call assert_fails("let x = d->index(2)", 'E897:') 52 call assert_fails("let x = d->insert(0)", 'E899:') 53 call assert_true(d->has_key('two')) 54 call assert_equal([['one', 1], ['two', 2], ['three', 3]], d->items()) 55 call assert_fails("let x = d->join()", 'E714:') 56 call assert_equal(['one', 'two', 'three'], d->keys()) 57 call assert_equal(3, d->len()) 58 call assert_equal(#{one: 2, two: 3, three: 4}, d->map('v:val + 1')) 59 call assert_equal(#{one: 1, two: 2, three: 3}, d->map('v:val - 1')) 60 call assert_equal(3, d->max()) 61 call assert_equal(1, d->min()) 62 call assert_equal(2, d->remove("two")) 63 let d.two = 2 64 call assert_fails('let x = d->repeat(2)', 'E731:') 65 call assert_fails('let x = d->reverse()', 'E899:') 66 call assert_fails('let x = d->sort()', 'E686:') 67 call assert_equal("{'one': 1, 'two': 2, 'three': 3}", d->string()) 68 call assert_equal(v:t_dict, d->type()) 69 call assert_fails('let x = d->uniq()', 'E686:') 70 call assert_equal([1, 2, 3], d->values()) 71endfunc 72 73func Test_string_method() 74 eval '1 2 3'->split()->assert_equal(['1', '2', '3']) 75 eval '1 2 3'->split()->map({i, v -> str2nr(v)})->assert_equal([1, 2, 3]) 76 eval 'ABC'->str2list()->assert_equal([65, 66, 67]) 77 eval 'ABC'->strlen()->assert_equal(3) 78 eval "a\rb\ec"->strtrans()->assert_equal('a^Mb^[c') 79 eval "aあb"->strwidth()->assert_equal(4) 80 eval 'abc'->substitute('b', 'x', '')->assert_equal('axc') 81 82 eval 'abc'->printf('the %s arg')->assert_equal('the abc arg') 83endfunc 84 85func Test_method_append() 86 new 87 eval ['one', 'two', 'three']->append(1) 88 call assert_equal(['', 'one', 'two', 'three'], getline(1, '$')) 89 90 %del 91 let bnr = bufnr('') 92 wincmd w 93 eval ['one', 'two', 'three']->appendbufline(bnr, 1) 94 call assert_equal(['', 'one', 'two', 'three'], getbufline(bnr, 1, '$')) 95 96 exe 'bwipe! ' .. bnr 97endfunc 98 99func Test_method_funcref() 100 func Concat(one, two, three) 101 return a:one .. a:two .. a:three 102 endfunc 103 let FuncRef = function('Concat') 104 eval 'foo'->FuncRef('bar', 'tail')->assert_equal('foobartail') 105 106 " not enough arguments 107 call assert_fails("eval 'foo'->FuncRef('bar')", 'E119:') 108 " too many arguments 109 call assert_fails("eval 'foo'->FuncRef('bar', 'tail', 'four')", 'E118:') 110 111 let Partial = function('Concat', ['two']) 112 eval 'one'->Partial('three')->assert_equal('onetwothree') 113 114 " not enough arguments 115 call assert_fails("eval 'one'->Partial()", 'E119:') 116 " too many arguments 117 call assert_fails("eval 'one'->Partial('three', 'four')", 'E118:') 118 119 delfunc Concat 120endfunc 121 122func Test_method_float() 123 CheckFeature float 124 eval 1.234->string()->assert_equal('1.234') 125 eval -1.234->string()->assert_equal('-1.234') 126endfunc 127 128func Test_method_syntax() 129 eval [1, 2, 3] ->sort( ) 130 eval [1, 2, 3] 131 \ ->sort( 132 \ ) 133 call assert_fails('eval [1, 2, 3]-> sort()', 'E260:') 134 call assert_fails('eval [1, 2, 3]->sort ()', 'E274:') 135 call assert_fails('eval [1, 2, 3]-> sort ()', 'E260:') 136endfunc 137 138func Test_method_lambda() 139 eval "text"->{x -> x .. " extended"}()->assert_equal('text extended') 140 eval "text"->{x, y -> x .. " extended " .. y}('more')->assert_equal('text extended more') 141 142 call assert_fails('eval "text"->{x -> x .. " extended"} ()', 'E274:') 143 144 " todo: lambda accepts more arguments than it consumes 145 " call assert_fails('eval "text"->{x -> x .. " extended"}("more")', 'E99:') 146 147 let l = [1, 2, 3] 148 eval l->{x -> x}() 149 call assert_equal(1, test_refcount(l)) 150endfunc 151 152func Test_method_not_supported() 153 call assert_fails('eval 123->changenr()', 'E276:') 154endfunc 155