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[Emacs-diffs] master e951aa1: Add tests for ring.el


From: Simen Heggestøyl
Subject: [Emacs-diffs] master e951aa1: Add tests for ring.el
Date: Thu, 8 Sep 2016 17:19:06 +0000 (UTC)

branch: master
commit e951aa145981cfcee48517dbc7faad89b24e4e96
Author: Simen Heggestøyl <address@hidden>
Commit: Simen Heggestøyl <address@hidden>

    Add tests for ring.el
    
    * test/lisp/emacs-lisp/ring-tests.el: New file with tests for ring.el.
---
 test/lisp/emacs-lisp/ring-tests.el |  204 ++++++++++++++++++++++++++++++++++++
 1 file changed, 204 insertions(+)

diff --git a/test/lisp/emacs-lisp/ring-tests.el 
b/test/lisp/emacs-lisp/ring-tests.el
new file mode 100644
index 0000000..705bfe5
--- /dev/null
+++ b/test/lisp/emacs-lisp/ring-tests.el
@@ -0,0 +1,204 @@
+;;; ring-tests.el --- Tests for ring.el  -*- lexical-binding: t; -*-
+
+;; Copyright (C) 2016 Free Software Foundation, Inc.
+
+;; Author: Simen Heggestøyl <address@hidden>
+;; Keywords:
+
+;; GNU Emacs is free software: you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
+
+;; GNU Emacs is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;; GNU General Public License for more details.
+
+;; You should have received a copy of the GNU General Public License
+;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
+
+;;; Commentary:
+
+;;
+
+;;; Code:
+
+(require 'ert)
+(require 'ring)
+
+(ert-deftest ring-tests-make-ring-ring-p ()
+  (should (ring-p (make-ring 5))))
+
+(ert-deftest ring-tests-insert-at-beginning ()
+  (let ((ring (make-ring 5)))
+    (ring-insert-at-beginning ring 'foo)
+    (ring-insert-at-beginning ring 'bar)
+    (should (equal (ring-elements ring) '(foo bar)))))
+
+(ert-deftest ring-tests-plus1 ()
+  (should (= (ring-plus1 0 5) 1))
+  (should (= (ring-plus1 4 5) 0)))
+
+(ert-deftest ring-tests-minus1 ()
+  (should (= (ring-minus1 0 5) 4))
+  (should (= (ring-minus1 4 5) 3)))
+
+(ert-deftest ring-tests-length ()
+  (let ((ring (make-ring 2)))
+    (should (= (ring-length ring) 0))
+    (ring-insert ring 'a)
+    (should (= (ring-length ring) 1))
+    (ring-insert ring 'b)
+    (should (= (ring-length ring) 2))
+    (ring-insert ring 'c)
+    (should (= (ring-length ring) 2))))
+
+(ert-deftest ring-tests-index ()
+  (should (= (ring-index 0 0 3 3) 2))
+  (should (= (ring-index 0 0 3 5) 2))
+  (should (= (ring-index 0 2 3 3) 1))
+  (should (= (ring-index 1 2 3 3) 0))
+  (should (= (ring-index 2 2 3 3) 2)))
+
+(ert-deftest ring-tests-empty-p ()
+  (let ((ring (make-ring 5)))
+    (should (ring-empty-p ring))
+    (ring-insert ring 1)
+    (should-not (ring-empty-p ring))
+    (ring-remove ring)
+    (should (ring-empty-p ring))))
+
+(ert-deftest ring-tests-size ()
+  (let ((ring (make-ring 2)))
+    (should (= (ring-size ring) 2))
+    (ring-insert ring "a")
+    (ring-insert ring "b")
+    (ring-insert ring "c")
+    (should (= (ring-size ring) 2))
+    (ring-extend ring 3)
+    (should (= (ring-size ring) 5))))
+
+(ert-deftest ring-tests-copy ()
+  (let ((ring1 (make-ring 3)))
+    (ring-insert ring1 1)
+    (ring-insert ring1 2)
+    (let ((ring2 (ring-copy ring1)))
+      (should-not (eq ring1 ring2))
+      (should (= (ring-size ring1) (ring-size ring2)))
+      (should (equal (ring-elements ring1) (ring-elements ring2))))))
+
+(ert-deftest ring-tests-insert ()
+  (let ((ring (make-ring 2)))
+    (ring-insert ring :a)
+    (should (equal (ring-elements ring) '(:a)))
+    (ring-insert ring :b)
+    (should (equal (ring-elements ring) '(:b :a)))
+    (ring-insert ring :c)
+    (should (equal (ring-elements ring) '(:c :b)))))
+
+(ert-deftest ring-tests-remove ()
+  (let ((ring (make-ring 2)))
+    (should-error (ring-remove ring))
+    (ring-insert ring 'foo)
+    (ring-insert ring 'bar)
+    (should (eq (ring-remove ring) 'foo))
+    (should (equal (ring-elements ring) '(bar)))
+    (ring-insert ring 'baz)
+    (should (eq (ring-remove ring 0) 'baz))
+    (should (equal (ring-elements ring) '(bar)))))
+
+(ert-deftest ring-tests-ref ()
+  (let ((ring (make-ring 2)))
+    (should-error (ring-ref ring 0))
+    (ring-insert ring :a)
+    (should (eq (ring-ref ring 0) :a))
+    (ring-insert ring :b)
+    (should (eq (ring-ref ring 0) :b))
+    (should (eq (ring-ref ring 1) :a))
+    (should (eq (ring-ref ring 2) :b))))
+
+(ert-deftest ring-tests-elements ()
+  (let ((ring (make-ring 5)))
+    (ring-insert ring 3)
+    (ring-insert ring 2)
+    (ring-insert ring 1)
+    (should (equal (ring-elements ring) '(1 2 3)))))
+
+(ert-deftest ring-tests-member ()
+  (let ((ring (make-ring 3)))
+    (ring-insert ring "foo")
+    (ring-insert ring "bar")
+    (should (= (ring-member ring "foo") 1))
+    (should (= (ring-member ring "bar") 0))
+    (should-not (ring-member ring "baz"))))
+
+(ert-deftest ring-tests-next ()
+  (let ((ring (make-ring 3)))
+    (ring-insert ring 'a)
+    (ring-insert ring 'b)
+    (should (eq (ring-next ring 'b) 'a))
+    (should (eq (ring-next ring 'a) 'b))
+    (should-error (ring-next ring 'c))))
+
+(ert-deftest ring-tests-previous ()
+  (let ((ring (make-ring 3)))
+    (ring-insert ring 'a)
+    (ring-insert ring 'b)
+    (should (eq (ring-previous ring 'b) 'a))
+    (should (eq (ring-previous ring 'a) 'b))
+    (should-error (ring-previous ring 'c))))
+
+(ert-deftest ring-tests-extend ()
+  (let ((ring (make-ring 2)))
+    (ring-insert ring 1)
+    (ring-insert ring 2)
+    (should (= (ring-size ring) 2))
+    (should (= (ring-length ring) 2))
+    (ring-extend ring 3)
+    (ring-insert ring 3)
+    (should (= (ring-size ring) 5))
+    (should (equal (ring-elements ring) '(3 2 1)))))
+
+(ert-deftest ring-tests-insert ()
+  (let ((ring (make-ring 2)))
+    (ring-insert+extend ring :a)
+    (ring-insert+extend ring :b)
+    (should (equal (ring-elements ring) '(:b :a)))
+    (ring-insert+extend ring :c)
+    (should (equal (ring-elements ring) '(:c :b)))
+    (ring-insert+extend ring :d t)
+    (should (equal (ring-elements ring) '(:d :c :b)))))
+
+(ert-deftest ring-tests-remove+insert+extend ()
+  (let ((ring (make-ring 3)))
+    (ring-insert ring 1)
+    (ring-insert ring 1)
+    (ring-insert ring 2)
+    (ring-remove+insert+extend ring 1)
+    (should (equal (ring-elements ring) '(1 2)))
+    (ring-remove+insert+extend ring 0)
+    (should (equal (ring-elements ring) '(0 1 2)))
+    (ring-remove+insert+extend ring 3)
+    (should (equal (ring-elements ring) '(3 0 1)))
+    (ring-remove+insert+extend ring 4 t)
+    (should (equal (ring-elements ring) '(4 3 0 1)))
+    (ring-remove+insert+extend ring 1 t)
+    (should (equal (ring-elements ring) '(1 4 3 0)))))
+
+(ert-deftest ring-tests-convert-sequence-to-ring ()
+  (let ((ring (ring-convert-sequence-to-ring '(a b c))))
+    (should (equal (ring-elements ring) '(a b c))))
+  (let ((ring (ring-convert-sequence-to-ring [1 2 3])))
+    (should (equal (ring-elements ring) '(1 2 3))))
+  (let ((ring (ring-convert-sequence-to-ring "abc")))
+    (should (equal (ring-elements ring) '(?a ?b ?c))))
+  (let ((ring (make-ring 2)))
+    (ring-insert ring :a)
+    (ring-insert ring :b)
+    (should
+     (equal (ring-elements (ring-convert-sequence-to-ring ring))
+            (ring-elements ring)))))
+
+(provide 'ring-tests)
+;;; ring-tests.el ends here



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