blob: 6211c7084b1b762348f826948b733fd013ca48c0 [file] [log] [blame]
// Copyright (c) 2019, 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 "dart:async";
import "dart:io";
import "package:path/path.dart" as p;
import "snapshot_test_helper.dart";
int fib(int n) {
if (n <= 1) return 1;
return fib(n - 1) + fib(n - 2);
}
Future<void> main(List<String> args) async {
if (args.contains("--child")) {
print(fib(35));
return;
}
if (!Platform.script.toString().endsWith(".dart")) {
print("This test must run from source");
return;
}
await withTempDir((String tmp) async {
final String feedbackPath = p.join(tmp, "type_feedback.bin");
final result1 = await runDart("generate type feedback", [
"--save_type_feedback=$feedbackPath",
Platform.script.toFilePath(),
"--child",
]);
expectOutput("14930352", result1);
final result2 = await runDart("use type feedback", [
"--load_type_feedback=$feedbackPath",
Platform.script.toFilePath(),
"--child",
]);
expectOutput("14930352", result2);
});
}