dart-sdk/tests/language/vm/closure_memory_retention_test.dart
Robert Nystrom 2034061433 Migrate language_2/vm to NNBD.
Change-Id: I313a57ed7c7ea2ada75065f55a7367376f6bdae5
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/152183
Commit-Queue: Bob Nystrom <rnystrom@google.com>
Auto-Submit: Bob Nystrom <rnystrom@google.com>
Reviewed-by: Srujan Gaddam <srujzs@google.com>
2020-06-25 20:39:23 +00:00

29 lines
823 B
Dart

// Copyright (c) 2014, 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.
// VMOptions=--old_gen_heap_size=50
// Test that non-capturing closures don't retain unnecessary memory.
// It tests that the context of `f` allocated within `bar` not leaking and does
// not become the context of empty non-capturing closure allocated inside `foo`.
// If failing it crashes with an OOM error.
import "package:expect/expect.dart";
foo() {
return () {};
}
bar(a, b) {
f() => [a, b];
return foo();
}
main() {
var closure = null;
for (var i = 0; i < 100; i++) {
closure = bar(closure, new List<dynamic>.filled(1024 * 1024, null));
}
Expect.isTrue(closure is Function);
}