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diff src/testdir/test_unlet.vim @ 7498:3fcd3d235f7b v7.4.1051

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commit https://github.com/vim/vim/commit/af8af8bfac5792fa64efbc524032d568cc7754f7 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Jan 4 22:05:24 2016 +0100 patch 7.4.1051 Problem: Segfault when unletting "count". Solution: Check for readonly and locked first. (Dominique Pelle) Add a test.
author Christian Brabandt <cb@256bit.org>
date Mon, 04 Jan 2016 22:15:06 +0100
parents
children f73876aa9a13
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new file mode 100644
--- /dev/null
+++ b/src/testdir/test_unlet.vim
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+" Tests for :unlet
+
+func Test_read_only()
+  try
+    " this caused a crash
+    unlet count
+  catch
+    call assert_true(v:exception =~ ':E795:')
+  endtry
+endfunc
+
+func Test_existing()
+  let does_exist = 1
+  call assert_true(exists('does_exist'))
+  unlet does_exist
+  call assert_false(exists('does_exist'))
+endfunc
+
+func Test_not_existing()
+  unlet! does_not_exist
+  try
+    unlet does_not_exist
+  catch
+    call assert_true(v:exception =~ ':E108:')
+  endtry
+endfunc