Tests added.

1 files changed, 28 insertions, 0 deletions

diff --git a/test/test_redundant_tsserver_rendering_avoided.vader b/test/test_redundant_tsserver_rendering_avoided.vader
index 6125ebc2..12897da4 100644
--- a/test/test_redundant_tsserver_rendering_avoided.vader
+++ b/test/test_redundant_tsserver_rendering_avoided.vader
@@ -138,3 +138,31 @@ Execute(Non-empty then non-empty semantic errors should be handled):
   call ale#lsp_linter#HandleLSPResponse(1, CreateError('semanticDiag', 'x'))
 
   Assert g:ale_handle_loclist_called
+
+Execute(Subsequent empty lists should be ignored):
+  let g:ale_buffer_info[bufnr('')].suggestion_loclist  []
+
+  call ale#lsp_linter#HandleLSPResponse(1, CreateError('suggestionDiag', ''))
+
+  Assert !g:ale_handle_loclist_called
+
+Execute(Empty then non-empty semantic errors should be handled):
+  let g:ale_buffer_info[bufnr('')].suggestion_loclist = []
+
+  call ale#lsp_linter#HandleLSPResponse(1, CreateError('suggestionDiag', 'x'))
+
+  Assert g:ale_handle_loclist_called
+
+Execute(Non-empty then empty semantic errors should be handled):
+  let g:ale_buffer_info[bufnr('')].suggestion_loclist = CreateLoclist('x')
+
+  call ale#lsp_linter#HandleLSPResponse(1, CreateError('suggestionDiag', ''))
+
+  Assert g:ale_handle_loclist_called
+
+Execute(Non-empty then non-empty semantic errors should be handled):
+  let g:ale_buffer_info[bufnr('')].suggestion_loclist = CreateLoclist('x')
+
+  call ale#lsp_linter#HandleLSPResponse(1, CreateError('suggestionDiag', 'x'))
+
+  Assert g:ale_handle_loclist_called