blob: 998f6581810ffe5aaa22183fb85643269d205f4f [file] [log] [blame]
// Copyright (c) 2020, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
// @dart = 2.9
// VMOptions=--use_compactor
// Each loading unit creates more image pages in the heap, which unfortunately
// cannot be aligned stronger than virtual memory page alignment, so the
// compactor must detect references to these image pages separately. Before
// these loading units were implemented, the compactor could assume a small
// upper bound on the number of image pages.
import "package:expect/expect.dart";
import "fragmentation_deferred_load_lib1.dart" deferred as lib1;
import "fragmentation_deferred_load_lib2.dart" deferred as lib2;
import "fragmentation_deferred_load_lib3.dart" deferred as lib3;
main() async {
await lib1.loadLibrary();
await lib2.loadLibrary();
await lib3.loadLibrary();
final List<List> arrays = [];
// Fill up heap with alternate large-small items.
for (int i = 0; i < 500000; i++) {
arrays.add(new List(260));
arrays.add(new List(1));
// Clear the large items so that the heap is full of 260-word gaps.
for (int i = 0; i < arrays.length; i += 2) {
arrays[i] = null;
// Allocate a lot of 300-word objects that don't fit in the gaps.
for (int i = 0; i < 600000; i++) {
arrays.add(new List(300));