Bump copyright

[gnu-emacs-elpa] / test / core-tests.el

diff --git a/test/core-tests.el b/test/core-tests.el
index b395c9f0926e9a3b71105774ff716a6ca1e447ff..89543b0242a4c33426b9ba654304adccab304cc4 100644 (file)
--- a/test/core-tests.el
+++ b/test/core-tests.el
@@ -1,6 +1,6 @@
 ;;; core-tests.el --- company-mode tests  -*- lexical-binding: t -*-
 
-;; Copyright (C) 2015  Free Software Foundation, Inc.
+;; Copyright (C) 2015, 2016  Free Software Foundation, Inc.
 
 ;; Author: Dmitry Gutov
 
@@ -153,6 +153,26 @@
       (should (equal '("abb" "abc" "abd" "acc" "acd")
                      (company-call-backend 'candidates "a"))))))
 
+(ert-deftest company-multi-backend-handles-keyword-separate ()
+  (let ((one (lambda (command &optional _)
+               (cl-case command
+                 (prefix "a")
+                 (candidates '("aa" "ca" "ba")))))
+        (two (lambda (command &optional _)
+               (cl-case command
+                 (prefix "a")
+                 (candidates '("bb" "ab")))))
+        (tri (lambda (command &optional _)
+               (cl-case command
+                 (prefix "a")
+                 (sorted t)
+                 (candidates '("cc" "bc" "ac"))))))
+    (let ((company-backend (list one two tri :separate)))
+      (should (company-call-backend 'sorted))
+      (should-not (company-call-backend 'duplicates))
+      (should (equal '("aa" "ba" "ca" "ab" "bb" "cc" "bc" "ac")
+                     (company-call-backend 'candidates "a"))))))
+
 (ert-deftest company-begin-backend-failure-doesnt-break-company-backends ()
   (with-temp-buffer
     (insert "a")
@@ -392,6 +412,49 @@
       (company-complete-selection)
       (should (string= "tea-cup" (buffer-string))))))
 
+(defvar ct-sorted nil)
+
+(defun ct-equal-including-properties (list1 list2)
+  (or (and (not list1) (not list2))
+      (and (ert-equal-including-properties (car list1) (car list2))
+           (ct-equal-including-properties (cdr list1) (cdr list2)))))
+
+(ert-deftest company-strips-duplicates-returns-nil ()
+  (should (null (company--preprocess-candidates nil))))
+
+(ert-deftest company-strips-duplicates-within-groups ()
+  (let* ((kvs '(("a" . "b")
+                ("a" . nil)
+                ("a" . "b")
+                ("a" . "c")
+                ("a" . "b")
+                ("b" . "c")
+                ("b" . nil)
+                ("a" . "b")))
+         (fn (lambda (kvs)
+               (mapcar (lambda (kv) (propertize (car kv) 'ann (cdr kv)))
+                       kvs)))
+         (company-backend
+          (lambda (command &optional arg)
+            (pcase command
+              (`prefix "")
+              (`sorted ct-sorted)
+              (`duplicates t)
+              (`annotation (get-text-property 0 'ann arg)))))
+         (reference '(("a" . "b")
+                      ("a" . nil)
+                      ("a" . "c")
+                      ("b" . "c")
+                      ("b" . nil)
+                      ("a" . "b"))))
+    (let ((ct-sorted t))
+      (should (ct-equal-including-properties
+               (company--preprocess-candidates (funcall fn kvs))
+               (funcall fn reference))))
+    (should (ct-equal-including-properties
+             (company--preprocess-candidates (funcall fn kvs))
+             (funcall fn (butlast reference))))))
+
 ;;; Row and column
 
 (ert-deftest company-column-with-composition ()