gecko/xpcom/tests/TestCOMArray.cpp
Jonathan Watt 9380758ab8 Bug 551299. Add a SetCount() method to nsCOMArray and nsVoidArray. r=bsmedberg.
--HG--
extra : rebase_source : 676b497a4fda08ec509c2ce9fdc7060af8be1663
2010-03-15 11:38:50 +00:00

147 lines
3.6 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
// vim:cindent:ts=4:et:sw=4:
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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;
}