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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: set ts=8 sts=2 et sw=2 tw=80:
*/
/* 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
#include <utility>
#include "gc/GCLock.h"
#include "gc/GCRuntime.h"
#include "jsapi-tests/tests.h"
BEGIN_TEST(testGCChunkPool) {
using namespace js::gc;
const int N = 10;
ChunkPool pool;
// Create.
for (int i = 0; i < N; ++i) {
void* ptr = ArenaChunk::allocate(&cx->runtime()->gc, StallAndRetry::No);
CHECK(ptr);
ArenaChunk* chunk = ArenaChunk::emplace(ptr, &cx->runtime()->gc, true);
CHECK(chunk);
pool.push(chunk);
}
MOZ_ASSERT(pool.verify());
// Iterate.
uint32_t i = 0;
for (ChunkPool::Iter iter(pool); !iter.done(); iter.next(), ++i) {
CHECK(iter.get());
}
CHECK(i == pool.count());
MOZ_ASSERT(pool.verify());
// Push/Pop.
for (int i = 0; i < N; ++i) {
ArenaChunk* chunkA = pool.pop();
ArenaChunk* chunkB = pool.pop();
ArenaChunk* chunkC = pool.pop();
pool.push(chunkA);
pool.push(chunkB);
pool.push(chunkC);
}
MOZ_ASSERT(pool.verify());
// Remove.
ArenaChunk* chunk = nullptr;
int offset = N / 2;
for (ChunkPool::Iter iter(pool); !iter.done(); iter.next(), --offset) {
if (offset == 0) {
chunk = pool.remove(iter.get());
break;
}
}
CHECK(chunk);
MOZ_ASSERT(!pool.contains(chunk));
MOZ_ASSERT(pool.verify());
pool.push(chunk);
// Destruct.
js::AutoLockGC lock(cx->runtime());
for (ChunkPool::Iter iter(pool); !iter.done();) {
ArenaChunk* chunk = iter.get();
iter.next();
pool.remove(chunk);
UnmapPages(chunk, ChunkSize);
}
return true;
}
END_TEST(testGCChunkPool)