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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 16:49:04 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 16:49:04 +0000
commit16f504a9dca3fe3b70568f67b7d41241ae485288 (patch)
treec60f36ada0496ba928b7161059ba5ab1ab224f9d /src/libs/xpcom18a4/xpcom/tests/TestDeque.cpp
parentInitial commit. (diff)
downloadvirtualbox-upstream.tar.xz
virtualbox-upstream.zip
Adding upstream version 7.0.6-dfsg.upstream/7.0.6-dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/libs/xpcom18a4/xpcom/tests/TestDeque.cpp')
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1 files changed, 155 insertions, 0 deletions
diff --git a/src/libs/xpcom18a4/xpcom/tests/TestDeque.cpp b/src/libs/xpcom18a4/xpcom/tests/TestDeque.cpp
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+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is mozilla.org code.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 1998
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either of the GNU General Public License Version 2 or later (the "GPL"),
+ * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#include "nsDeque.h"
+#include "nsCRT.h"
+#include <stdio.h>
+
+/**************************************************************
+ Now define the token deallocator class...
+ **************************************************************/
+class _TestDeque {
+public:
+ _TestDeque() {
+ SelfTest();
+ }
+ int SelfTest();
+ nsresult OriginalTest();
+ nsresult OriginalFlaw();
+ nsresult AssignFlaw();
+};
+static _TestDeque sTestDeque;
+
+class _Dealloc: public nsDequeFunctor {
+ virtual void* operator()(void* aObject) {
+ return 0;
+ }
+};
+
+/**
+ * conduct automated self test for this class
+ *
+ * @param
+ * @return
+ */
+int _TestDeque::SelfTest() {
+ /* the old deque should have failed a bunch of these tests */
+ int results=0;
+ results+=OriginalTest();
+ results+=OriginalFlaw();
+ results+=AssignFlaw();
+ return results;
+}
+
+nsresult _TestDeque::OriginalTest() {
+ int ints[200];
+ int count=sizeof(ints)/sizeof(int);
+ int i=0;
+ int* temp;
+ nsDeque theDeque(new _Dealloc); //construct a simple one...
+
+ for (i=0;i<count;i++) { //initialize'em
+ ints[i]=10*(1+i);
+ }
+ for (i=0;i<70;i++) {
+ theDeque.Push(&ints[i]);
+ }
+ for (i=0;i<56;i++) {
+ temp=(int*)theDeque.Pop();
+ }
+ for (i=0;i<55;i++) {
+ theDeque.Push(&ints[i]);
+ }
+ for (i=0;i<35;i++) {
+ temp=(int*)theDeque.Pop();
+ }
+ for (i=0;i<35;i++) {
+ theDeque.Push(&ints[i]);
+ }
+ for (i=0;i<38;i++) {
+ temp=(int*)theDeque.Pop();
+ }
+ return NS_OK;
+}
+
+nsresult _TestDeque::OriginalFlaw() {
+ int ints[200];
+ int i=0;
+ int* temp;
+ nsDeque secondDeque(new _Dealloc);
+ /**
+ * Test 1. Origin near end, semi full, call Peek().
+ * you start, mCapacity is 8
+ */
+ printf("fill array\n");
+ for (i=32; i; --i)
+ ints[i]=i*3+10;
+ printf("push 6 times\n");
+ for (i=0; i<6; i++)
+ secondDeque.Push(&ints[i]);
+ printf("popfront 4 times:\n");
+ for (i=4; i; --i) {
+ temp=(int*)secondDeque.PopFront();
+ printf("%d\t",*temp);
+ }
+ printf("push 4 times\n");
+ for (int j=4; j; --j)
+ secondDeque.Push(&ints[++i]);
+ printf("origin should now be about 4\n");
+ printf("and size should be 6\n");
+ printf("origin+size>capacity\n");
+
+ /*<akk> Oh, I see ... it's a circular buffer */
+ printf("but the old code wasn't behaving accordingly.\n");
+
+ /*right*/
+ printf("we shouldn't crash or anything interesting, ");
+
+ temp=(int*)secondDeque.Peek();
+ printf("peek: %d\n",*temp);
+ return NS_OK;
+}
+
+nsresult _TestDeque::AssignFlaw() {
+ nsDeque src(new _Dealloc),dest(new _Dealloc);
+ return NS_OK;
+}
+
+int main (void) {
+ _TestDeque test;
+ return 0;
+}