gecko/xpcom/tests/TestObserverArray.cpp

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2009-06-09 19:57:41 -07:00
/* -*- 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) 2009
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Boris Zbarsky <bzbarsky@mit.edu> (original author)
*
* 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 "TestHarness.h"
#include "nsTObserverArray.h"
#include "nsMemory.h" // for NS_ARRAY_LENGTH
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typedef nsTObserverArray<int> Array;
#define DO_TEST(_type, _exp, _code) \
do { \
++testNum; \
count = 0; \
Array::_type iter(arr); \
while (iter.HasMore() && count != NS_ARRAY_LENGTH(_exp)) { \
_code \
int next = iter.GetNext(); \
int expected = _exp[count++]; \
if (next != expected) { \
fail("During test %d at position %d got %d expected %d\n", \
testNum, count-1, next, expected); \
rv = 1; \
} \
} \
if (iter.HasMore()) { \
fail("During test %d, iterator ran over", testNum); \
rv = 1; \
} \
if (count != NS_ARRAY_LENGTH(_exp)) { \
fail("During test %d, iterator finished too early", testNum); \
rv = 1; \
} \
} while (0)
int main(int argc, char **argv)
{
ScopedXPCOM xpcom("nsTObserverArrayTests");
if (xpcom.failed()) {
return 1;
}
int rv = 0;
Array arr;
arr.AppendElement(3);
arr.AppendElement(4);
int count;
int testNum = 0;
// Basic sanity
static int test1Expected[] = { 3, 4 };
DO_TEST(ForwardIterator, test1Expected, );
// Appends
static int test2Expected[] = { 3, 4, 2 };
DO_TEST(ForwardIterator, test2Expected,
if (count == 1) arr.AppendElement(2);
);
DO_TEST(ForwardIterator, test2Expected, );
DO_TEST(EndLimitedIterator, test2Expected,
if (count == 1) arr.AppendElement(5);
);
static int test5Expected[] = { 3, 4, 2, 5 };
DO_TEST(ForwardIterator, test5Expected, );
// Removals
DO_TEST(ForwardIterator, test5Expected,
if (count == 1) arr.RemoveElementAt(0);
);
static int test7Expected[] = { 4, 2, 5 };
DO_TEST(ForwardIterator, test7Expected, );
static int test8Expected[] = { 4, 5 };
DO_TEST(ForwardIterator, test8Expected,
if (count == 1) arr.RemoveElementAt(1);
);
DO_TEST(ForwardIterator, test8Expected, );
arr.AppendElement(2);
arr.AppendElementUnlessExists(6);
static int test10Expected[] = { 4, 5, 2, 6 };
DO_TEST(ForwardIterator, test10Expected, );
arr.AppendElementUnlessExists(5);
DO_TEST(ForwardIterator, test10Expected, );
static int test12Expected[] = { 4, 5, 6 };
DO_TEST(ForwardIterator, test12Expected,
if (count == 1) arr.RemoveElementAt(2);
);
DO_TEST(ForwardIterator, test12Expected, );
// Removals + Appends
static int test14Expected[] = { 4, 6, 7 };
DO_TEST(ForwardIterator, test14Expected,
if (count == 1) {
arr.RemoveElementAt(1);
arr.AppendElement(7);
}
);
DO_TEST(ForwardIterator, test14Expected, );
arr.AppendElement(2);
static int test16Expected[] = { 4, 6, 7, 2 };
DO_TEST(ForwardIterator, test16Expected, );
static int test17Expected[] = { 4, 7, 2 };
DO_TEST(EndLimitedIterator, test17Expected,
if (count == 1) {
arr.RemoveElementAt(1);
arr.AppendElement(8);
}
);
static int test18Expected[] = { 4, 7, 2, 8 };
DO_TEST(ForwardIterator, test18Expected, );
// Prepends
arr.PrependElementUnlessExists(3);
static int test19Expected[] = { 3, 4, 7, 2, 8 };
DO_TEST(ForwardIterator, test19Expected, );
arr.PrependElementUnlessExists(7);
DO_TEST(ForwardIterator, test19Expected, );
// Commented out because it fails; bug 474369 will fix
/* DO_TEST(ForwardIterator, test19Expected,
if (count == 1) {
arr.PrependElementUnlessExists(9);
}
);
static int test22Expected[] = { 9, 3, 4, 7, 2, 8 };
DO_TEST(ForwardIterator, test22Expected, );
*/
return rv;
}