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authorzeertzjq <zeertzjq@outlook.com>2023-04-14 11:00:17 +0800
committerzeertzjq <zeertzjq@outlook.com>2023-04-14 18:04:09 +0800
commitd6e2804ab4f8810293dbcd748bfb938d9e0c3d52 (patch)
treeee140b0eee513de0aad0cf6cbd55d56f4799dd7f /test/old/testdir/test_expr.vim
parent7caf0eafd83b5a92f2ff219b3a64ffae4174b9af (diff)
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vim-patch:8.2.1794: no falsy Coalescing operator
Problem: No falsy Coalescing operator. Solution: Add the "??" operator. Fix mistake with function argument count. https://github.com/vim/vim/commit/92f26c256e06277ff2ec4ce7adea1eb58c85abe0 Cherry-pick tv2bool() into eval/typval.c. Cherry-pick *??* tag from Vim runtime. Co-authored-by: Bram Moolenaar <Bram@vim.org>
Diffstat (limited to 'test/old/testdir/test_expr.vim')
-rw-r--r--test/old/testdir/test_expr.vim22
1 files changed, 22 insertions, 0 deletions
diff --git a/test/old/testdir/test_expr.vim b/test/old/testdir/test_expr.vim
index 292a504df9..66a59f2c44 100644
--- a/test/old/testdir/test_expr.vim
+++ b/test/old/testdir/test_expr.vim
@@ -39,6 +39,28 @@ func Test_version()
call assert_false(has('patch-9.9.1'))
endfunc
+func Test_op_falsy()
+ call assert_equal(v:true, v:true ?? 456)
+ call assert_equal(123, 123 ?? 456)
+ call assert_equal('yes', 'yes' ?? 456)
+ call assert_equal(0z00, 0z00 ?? 456)
+ call assert_equal([1], [1] ?? 456)
+ call assert_equal(#{one: 1}, #{one: 1} ?? 456)
+ if has('float')
+ call assert_equal(0.1, 0.1 ?? 456)
+ endif
+
+ call assert_equal(456, v:false ?? 456)
+ call assert_equal(456, 0 ?? 456)
+ call assert_equal(456, '' ?? 456)
+ call assert_equal(456, 0z ?? 456)
+ call assert_equal(456, [] ?? 456)
+ call assert_equal(456, {} ?? 456)
+ if has('float')
+ call assert_equal(456, 0.0 ?? 456)
+ endif
+endfunc
+
func Test_dict()
let d = {'': 'empty', 'a': 'a', 0: 'zero'}
call assert_equal('empty', d[''])