gecko/xpcom/tests/TestCOMArray.cpp

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
// vim:cindent:ts=4:et:sw=4:
/* ***** 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 the Mozilla Corporation.
* Portions created by the Initial Developer are Copyright (C) 2010
* 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
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#include "TestHarness.h"
#include "nsCOMArray.h"
// {9e70a320-be02-11d1-8031-006008159b5a}
#define NS_IFOO_IID \
{0x9e70a320, 0xbe02, 0x11d1, \
{0x80, 0x31, 0x00, 0x60, 0x08, 0x15, 0x9b, 0x5a}}
class IFoo : public nsISupports {
public:
NS_DECLARE_STATIC_IID_ACCESSOR(NS_IFOO_IID)
NS_IMETHOD_(nsrefcnt) RefCnt() = 0;
NS_IMETHOD_(PRInt32) ID() = 0;
};
NS_DEFINE_STATIC_IID_ACCESSOR(IFoo, NS_IFOO_IID)
class Foo : public IFoo {
public:
Foo(PRInt32 aID);
~Foo();
// nsISupports implementation
NS_DECL_ISUPPORTS
// IFoo implementation
NS_IMETHOD_(nsrefcnt) RefCnt() { return mRefCnt; }
NS_IMETHOD_(PRInt32) ID() { return mID; }
static PRInt32 gCount;
PRInt32 mID;
};
PRInt32 Foo::gCount = 0;
Foo::Foo(PRInt32 aID)
{
mID = aID;
++gCount;
}
Foo::~Foo()
{
--gCount;
}
NS_IMPL_ISUPPORTS1(Foo, IFoo)
typedef nsCOMArray<IFoo> Array;
int main(int argc, char **argv)
{
ScopedXPCOM xpcom("nsCOMArrayTests");
if (xpcom.failed()) {
return 1;
}
int rv = 0;
Array arr;
for (PRInt32 i = 0; i < 20; ++i) {
nsCOMPtr<IFoo> foo = new Foo(i);
arr.AppendObject(foo);
}
if (arr.Count() != 20 || Foo::gCount != 20) {
fail("nsCOMArray::AppendObject failed");
rv = 1;
}
arr.SetCount(10);
if (arr.Count() != 10 || Foo::gCount != 10) {
fail("nsCOMArray::SetCount shortening of array failed");
rv = 1;
}
arr.SetCount(30);
if (arr.Count() != 30 || Foo::gCount != 10) {
fail("nsCOMArray::SetCount lengthening of array failed");
rv = 1;
}
for (PRInt32 i = 0; i < 10; ++i) {
if (arr[i] == nsnull) {
fail("nsCOMArray elements should be non-null");
rv = 1;
break;
}
}
for (PRInt32 i = 10; i < 30; ++i) {
if (arr[i] != nsnull) {
fail("nsCOMArray elements should be null");
rv = 1;
break;
}
}
return rv;
}