blob: ea4cd6dd635a8f29346244baa8248bf2662bad33 [file] [log] [blame]
// 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.
// Test program for correct optimizations related to types fo allocated lists.
// VMOptions=--optimization-counter-threshold=10
import "package:expect/expect.dart";
main() {
// Trigger optimization of 'test' method.
for (int i = 0; i < 20; i++) {
test(2);
}
}
test(n) {
var a = []; // Growable list.
var b = new List<dynamic>.filled(10, null); // Fixed size list.
var c = const [1, 2, 3, 4]; // Constant aray.
// In optimized mode the class checks will be eliminated since the
// constructors above provide information about exact types.
a.add(4);
b[0] = 5;
Expect.equals(4, a[0]);
Expect.equals(5, b[0]);
// Test bound check elimination.
Expect.equals(2, c[1]);
// Test elimination of array length computation.
var v = c[n];
Expect.equals(v, c[n]);
}