gecko/xpcom/tests/TestObserverArray.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:
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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "TestHarness.h"
#include "nsTObserverArray.h"
using namespace mozilla;
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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 != ArrayLength(_exp)) { \
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_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 != ArrayLength(_exp)) { \
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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);
size_t count;
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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;
}