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Diffstat (limited to 'src/libs/xpcom18a4/xpcom/tests/TestDeque.cpp')
-rw-r--r-- | src/libs/xpcom18a4/xpcom/tests/TestDeque.cpp | 155 |
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 new file mode 100644 index 00000000..4b00c7fb --- /dev/null +++ b/src/libs/xpcom18a4/xpcom/tests/TestDeque.cpp @@ -0,0 +1,155 @@ +/* -*- 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; +} |