1// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
2// for details. All rights reserved. Use of this source code is governed by a
3// BSD-style license that can be found in the LICENSE file.
4
5#include "vm/heap/pages.h"
6#include "platform/assert.h"
7#include "vm/unit_test.h"
8
9namespace dart {
10
11TEST_CASE(Pages) {
12 PageSpace* space = new PageSpace(NULL, 4 * MBInWords);
13 EXPECT(!space->Contains(reinterpret_cast<uword>(&space)));
14 uword block = space->TryAllocate(8 * kWordSize);
15 EXPECT(block != 0);
16 uword total = 0;
17 while (total < 2 * MB) {
18 const intptr_t kBlockSize = 16 * kWordSize;
19 uword new_block = space->TryAllocate(kBlockSize);
20 EXPECT(block != 0);
21 EXPECT(block != new_block);
22 EXPECT(space->IsValidAddress(new_block));
23 block = new_block;
24 total += kBlockSize;
25 }
26 // Allocate a large block.
27 uword large_block = space->TryAllocate(1 * MB);
28 EXPECT(large_block != 0);
29 EXPECT(block != large_block);
30 EXPECT(space->IsValidAddress(large_block));
31 delete space;
32}
33
34} // namespace dart
35