Mercurial > vim
diff src/testdir/test_vim9_expr.vim @ 22492:0e03ef68e738 v8.2.1794
patch 8.2.1794: no falsy Coalescing operator
Commit: https://github.com/vim/vim/commit/92f26c256e06277ff2ec4ce7adea1eb58c85abe0
Author: Bram Moolenaar <Bram@vim.org>
Date: Sat Oct 3 20:17:30 2020 +0200
patch 8.2.1794: no falsy Coalescing operator
Problem: No falsy Coalescing operator.
Solution: Add the "??" operator. Fix mistake with function argument count.
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Sat, 03 Oct 2020 20:30:04 +0200 |
| parents | a1b3804163ca |
| children | 4c21f7f6f9e3 |
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--- a/src/testdir/test_vim9_expr.vim +++ b/src/testdir/test_vim9_expr.vim @@ -12,7 +12,7 @@ def FuncTwo(arg: number): number enddef " test cond ? expr : expr -def Test_expr1() +def Test_expr1_trinary() assert_equal('one', true ? 'one' : 'two') assert_equal('one', 1 ? 'one' : @@ -61,7 +61,7 @@ def Test_expr1() assert_equal(123, Z(3)) enddef -def Test_expr1_vimscript() +def Test_expr1_trinary_vimscript() # check line continuation var lines =<< trim END vim9script @@ -139,7 +139,7 @@ def Test_expr1_vimscript() CheckScriptSuccess(lines) enddef -func Test_expr1_fails() +func Test_expr1_trinary_fails() call CheckDefFailure(["var x = 1 ? 'one'"], "Missing ':' after '?'", 1) let msg = "White space required before and after '?'" @@ -160,6 +160,34 @@ func Test_expr1_fails() \ 'Z()'], 'E119:', 4) endfunc +def Test_expr1_falsy() + var lines =<< trim END + assert_equal(v:true, v:true ?? 456) + assert_equal(123, 123 ?? 456) + assert_equal('yes', 'yes' ?? 456) + assert_equal([1], [1] ?? 456) + assert_equal(#{one: 1}, #{one: 1} ?? 456) + if has('float') + assert_equal(0.1, 0.1 ?? 456) + endif + + assert_equal(456, v:false ?? 456) + assert_equal(456, 0 ?? 456) + assert_equal(456, '' ?? 456) + assert_equal(456, [] ?? 456) + assert_equal(456, {} ?? 456) + if has('float') + assert_equal(456, 0.0 ?? 456) + endif + END + CheckDefAndScriptSuccess(lines) + + var msg = "White space required before and after '??'" + call CheckDefFailure(["var x = 1?? 'one' : 'two'"], msg, 1) + call CheckDefFailure(["var x = 1 ??'one' : 'two'"], msg, 1) + call CheckDefFailure(["var x = 1??'one' : 'two'"], msg, 1) +enddef + " TODO: define inside test function def Record(val: any): any g:vals->add(val)