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patch 8.2.4670: memory allocation failures for new tab page not tested

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Problem:    Memory allocation failures for new tab page not tested.
Solution:   Add tests with failing memory allocation. (Yegappan Lakshmanan,
            closes #10067)
This commit is contained in:
Yegappan Lakshmanan
2022-04-03 11:22:38 +01:00
committed by Bram Moolenaar
parent 58f331a05f
commit 72bb47e38f
9 changed files with 131 additions and 18 deletions
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39
src/testdir/test_blob.vim
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@@ -702,4 +702,43 @@ func Test_blob2string()
call assert_equal(v, string(b))
endfunc
" Test for blob allocation failure
func Test_blob_alloc_failure()
" blob variable
call test_alloc_fail(GetAllocId('blob_alloc'), 0, 0)
call assert_fails('let v = 0z10', 'E342:')
" blob slice
let v = 0z1020
call test_alloc_fail(GetAllocId('blob_alloc'), 0, 0)
call assert_fails('let x = v[0:0]', 'E342:')
call assert_equal(0z1020, x)
" blob remove()
let v = 0z10203040
call test_alloc_fail(GetAllocId('blob_alloc'), 0, 0)
call assert_fails('let x = remove(v, 1, 2)', 'E342:')
call assert_equal(0, x)
" list2blob()
call test_alloc_fail(GetAllocId('blob_alloc'), 0, 0)
call assert_fails('let a = list2blob([1, 2, 4])', 'E342:')
call assert_equal(0, a)
" mapnew()
call test_alloc_fail(GetAllocId('blob_alloc'), 0, 0)
call assert_fails('let x = mapnew(0z1234, {_, v -> 1})', 'E342:')
call assert_equal(0, x)
" copy()
call test_alloc_fail(GetAllocId('blob_alloc'), 0, 0)
call assert_fails('let x = copy(v)', 'E342:')
call assert_equal(0z, x)
" readblob()
call test_alloc_fail(GetAllocId('blob_alloc'), 0, 0)
call assert_fails('let x = readblob("test_blob.vim")', 'E342:')
call assert_equal(0, x)
endfunc
" vim: shiftwidth=2 sts=2 expandtab