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// Copyright (c) 2013, 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.
// Test to ensure that the VM does not have an integer overflow issue
// when concatenating strings and hitting length 2^31.
// See https://github.com/dart-lang/sdk/issues/11214
import "package:expect/expect.dart";
main() {
const length28bits = 1 << 28;
String a = "a";
while (a.length < length28bits) {
a = a + a;
}
Expect.equals(a.length, length28bits);
try {
final concat = "$a$a$a$a$a$a$a$a";
Expect.equals(concat.length, 8 * length28bits);
} on OutOfMemoryError {
// Allow test to run out of memory instead.
}
}