diff src/testdir/test_blob.vim @ 28289:cdaff4db7760 v8.2.4670

patch 8.2.4670: memory allocation failures for new tab page not tested Commit: https://github.com/vim/vim/commit/72bb47e38f6805050ed6d969f17591bed71f83d4 Author: Yegappan Lakshmanan <yegappan@yahoo.com> Date: Sun Apr 3 11:22:38 2022 +0100 patch 8.2.4670: memory allocation failures for new tab page not tested Problem: Memory allocation failures for new tab page not tested. Solution: Add tests with failing memory allocation. (Yegappan Lakshmanan, closes #10067)
author Bram Moolenaar <Bram@vim.org>
date Sun, 03 Apr 2022 12:30:03 +0200
parents 4c16acb2525f
children 35e24d9de858
line wrap: on
line diff
--- a/src/testdir/test_blob.vim
+++ b/src/testdir/test_blob.vim
@@ -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