From d8dcc56af58d1545cf3a7a9f6160d8ba6ad39923 Mon Sep 17 00:00:00 2001
From: w0rp <devw0rp@gmail.com>
Date: Wed, 19 Apr 2017 22:55:06 +0100
Subject: Remove error highlights when buffers are cleaned up

---
 test/test_highlight_placement.vader | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

(limited to 'test/test_highlight_placement.vader')

diff --git a/test/test_highlight_placement.vader b/test/test_highlight_placement.vader
index 52e861d9..bca7bfda 100644
--- a/test/test_highlight_placement.vader
+++ b/test/test_highlight_placement.vader
@@ -74,3 +74,20 @@ Execute(Existing highlights should be kept):
   \   {'group': 'ALEWarning', 'id': 8, 'priority': 10, 'pos1': [4, 1, 1]},
   \ ],
   \ getmatches()
+
+" This test is important for preventing ALE from showing highlights for
+" the wrong files.
+Execute(Highlights set by ALE should be removed when buffer cleanup is done):
+  call ale#engine#InitBufferInfo(bufnr('%'))
+
+  call ale#highlight#SetHighlights(bufnr('%'), [
+  \ {'bufnr': bufnr('%'), 'type': 'E', 'lnum': 3, 'col': 2},
+  \])
+
+  AssertEqual
+  \ [{'group': 'ALEError', 'id': 9, 'priority': 10, 'pos1': [3, 2, 1]}],
+  \ getmatches()
+
+  call ale#cleanup#Buffer(bufnr('%'))
+
+  AssertEqual [], getmatches()
-- 
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