dart-sdk/tests/language_2/bailout3_test.dart
2017-08-01 16:58:52 -07:00

41 lines
871 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 the return type of a method is being registered for both
// its bailout and optimized version in dart2js.
var a;
bar() {
if (a[0] == 0) {
// Force bailout version.
bar();
// Avoid inlining.
throw 0;
}
for (int i = 0; i < 10; i++) {
a[0] = 42;
}
// This return should say that bar can return an array or unknown.
return a;
}
foo() {
if (a[0] == 0) {
// Avoid inlining.
throw 0;
}
var b = bar();
// This check used to fail because dart2js was assuming [b] was an
// array.
Expect.equals(1, b.length);
}
main() {
a = new Map();
bar();
foo();
}