From 029f72b1a93430b24b88eb3a72c6114d9f149737 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 10 Apr 2024 22:09:20 +0200
Subject: Adding upstream version 2:9.1.0016.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/testdir/test_unlet.vim | 67 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 67 insertions(+)
 create mode 100644 src/testdir/test_unlet.vim

(limited to 'src/testdir/test_unlet.vim')

diff --git a/src/testdir/test_unlet.vim b/src/testdir/test_unlet.vim
new file mode 100644
index 0000000..6be9633
--- /dev/null
+++ b/src/testdir/test_unlet.vim
@@ -0,0 +1,67 @@
+" Tests for :unlet
+
+func Test_read_only()
+  " these caused a crash
+  call assert_fails('unlet count', 'E795:')
+  call assert_fails('unlet errmsg', 'E795:')
+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
+  call assert_fails('unlet does_not_exist', 'E108:')
+endfunc
+
+func Test_unlet_fails()
+  call assert_fails('unlet v:["count"]', 'E46:')
+  call assert_fails('unlet $', 'E475:')
+  let v = {}
+  call assert_fails('unlet v[:]', 'E719:')
+  let l = []
+  call assert_fails("unlet l['k'", 'E111:')
+  let d = {'k' : 1}
+  call assert_fails("unlet d.k2", 'E716:')
+  call assert_fails("unlet {a};", 'E488:')
+endfunc
+
+func Test_unlet_env()
+  let envcmd = has('win32') ? 'set' : 'env'
+
+  let $FOOBAR = 'test'
+  let found = 0
+  for kv in split(system(envcmd), "\r*\n")
+    if kv == 'FOOBAR=test'
+      let found = 1
+    endif
+  endfor
+  call assert_equal(1, found)
+
+  unlet $FOOBAR
+  let found = 0
+  for kv in split(system(envcmd), "\r*\n")
+    if kv == 'FOOBAR=test'
+      let found = 1
+    endif
+  endfor
+  call assert_equal(0, found)
+
+  unlet $MUST_NOT_BE_AN_ERROR
+endfunc
+
+func Test_unlet_complete()
+  let g:FOOBAR = 1
+  call feedkeys(":unlet g:FOO\t\n", 'tx')
+  call assert_true(!exists('g:FOOBAR'))
+
+  let $FOOBAR = 1
+  call feedkeys(":unlet $FOO\t\n", 'tx')
+  call assert_true(!exists('$FOOBAR') || empty($FOOBAR))
+endfunc
+
+" vim: shiftwidth=2 sts=2 expandtab
-- 
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