Robert Nystrom
2034061433
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>
82 lines
1.6 KiB
Dart
82 lines
1.6 KiB
Dart
// Copyright (c) 2018, 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.
|
|
|
|
// No LICM on array bounds check (dartbug.com/34684).
|
|
//
|
|
// VMOptions=--deterministic --optimization_counter_threshold=10
|
|
|
|
import "package:expect/expect.dart";
|
|
|
|
List<int?> foo(int n, int k) {
|
|
var l = new List<int?>.filled(1, null);
|
|
var j = n - 1;
|
|
for (var i = 0; i < k; i++) {
|
|
l[j] = 10; // do not hoist
|
|
}
|
|
return l;
|
|
}
|
|
|
|
int x = -1;
|
|
|
|
List<int?> bar(int n, int k) {
|
|
x = -1;
|
|
var l = new List<int?>.filled(n, null);
|
|
for (var i = 0; i < k; i++) {
|
|
x = i;
|
|
l[4] = 10; // do not hoist
|
|
}
|
|
return l;
|
|
}
|
|
|
|
void main() {
|
|
List<int?>? l;
|
|
|
|
for (int i = 0; i < 20; ++i) {
|
|
l = foo(1, 0);
|
|
Expect.equals(1, l.length);
|
|
Expect.equals(null, l[0]);
|
|
|
|
l = foo(2, 0);
|
|
Expect.equals(1, l.length);
|
|
Expect.equals(null, l[0]);
|
|
|
|
l = foo(i, 0);
|
|
Expect.equals(1, l.length);
|
|
Expect.equals(null, l[0]);
|
|
|
|
l = foo(1, 1);
|
|
Expect.equals(1, l.length);
|
|
Expect.equals(10, l[0]);
|
|
|
|
l = foo(1, i + 1);
|
|
Expect.equals(1, l.length);
|
|
Expect.equals(10, l[0]);
|
|
|
|
try {
|
|
l = foo(-i, 1);
|
|
} catch (_) {
|
|
l = null;
|
|
}
|
|
Expect.equals(null, l);
|
|
|
|
l = bar(5, 0);
|
|
Expect.equals(5, l.length);
|
|
Expect.equals(null, l[4]);
|
|
Expect.equals(-1, x);
|
|
|
|
l = bar(5, i + 1);
|
|
Expect.equals(5, l.length);
|
|
Expect.equals(10, l[4]);
|
|
Expect.equals(i, x);
|
|
|
|
try {
|
|
l = bar(1, i + 1);
|
|
} catch (_) {
|
|
l = null;
|
|
}
|
|
Expect.equals(null, l);
|
|
Expect.equals(0, x);
|
|
}
|
|
}
|