sgjesse@google.com
c38de04d0c
BUG= R=sgjesse@google.com Review URL: https://codereview.chromium.org//46063010 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@29651 260f80e4-7a28-3924-810f-c04153c831b5
68 lines
1.6 KiB
Dart
68 lines
1.6 KiB
Dart
// Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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// Dart test program testing code GC.
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import "package:expect/expect.dart";
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import "dart:async";
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import "dart:io";
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int foo(int x) {
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x = x + 1;
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return x;
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}
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List<int> bar() {
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// A couple of big allocations trigger GC.
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var l = new List.filled(700000, 7);
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return l;
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}
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doTest() {
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var i = 0;
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foo(1); // Initial call to compile.
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// Time passes, GC runs, foo's code is dropped.
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var ms = const Duration(milliseconds: 100);
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var t = new Timer.periodic(ms, (timer) {
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i++;
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bar();
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if (i > 1) {
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timer.cancel();
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// foo is called again to make sure we can still run it even after
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// its code has been detached.
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foo(2);
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}
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});
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}
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main(List<String> arguments) {
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if (arguments.contains("--run")) {
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doTest();
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} else {
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// Run the test and capture stdout.
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var pr = Process.runSync(Platform.executable,
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["--collect-code",
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"--code-collection-interval-in-us=100000",
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"--log-code-drop",
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"--optimization-counter-threshold=-1",
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"--package-root=${Platform.packageRoot}",
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Platform.script.toFilePath(),
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"--run"]);
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// Code drops are logged with --log-code-drop. Look through stdout for the
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// message that foo's code was dropped.
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var found = false;
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pr.stdout.split("\n").forEach((line) {
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if (line.contains("Detaching code") && line.contains("foo")) {
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found = true;
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}
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});
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Expect.isTrue(found);
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}
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}
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