dart-sdk/tests/language/optimize/bailout4_test.dart
Robert Nystrom c959c9aba7 Migrate language_2/optimize to NNBD.
Change-Id: I3f67dd79ff2ee745cc2ea161ce7150630e805c97
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/150186
Commit-Queue: Bob Nystrom <rnystrom@google.com>
Auto-Submit: Bob Nystrom <rnystrom@google.com>
Reviewed-by: Nicholas Shahan <nshahan@google.com>
2020-06-06 01:42:35 +00:00

33 lines
788 B
Dart

// Copyright (c) 2012, 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.
import "package:expect/expect.dart";
// Test that dart2s computes the right bailout environment in presence
// of nested loops.
class A {
operator [](index) => 42;
}
var a = new A();
var b = new List<dynamic>.filled(4, null);
int count = 0;
main() {
// Make the method recursive to make sure it gets an optimized
// version.
if (b[0] != null) main();
for (int i = 0; i < 2; i++) {
for (int j = 0; j < 2; j++) {
for (int k = 0; k < 2; k++) {
Expect.equals(42, a[i + j + k]);
count++;
}
}
}
Expect.equals(8, count);
}