dart-sdk/tests/language_2/call_closurization_test.dart
Aske Simon Christensen 194dcf6a9b Report detailed errors when the number or names of arguments do not
match parameters of callee.

Closes https://github.com/dart-lang/sdk/issues/31795

Change-Id: Ic53cc55174a540f387289d4d9cc24ff5c65c547e
Reviewed-on: https://dart-review.googlesource.com/40822
Reviewed-by: Paul Berry <paulberry@google.com>
2018-02-20 16:42:25 +00:00

54 lines
1.9 KiB
Dart

// Copyright (c) 2014, 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.
// VMOptions=--optimization_counter_threshold=10 --no-background_compilation
import "package:expect/expect.dart";
main() {
bar(a) {
return a is String;
}
var bar_tearOff = bar.call;
for (var i = 0; i < 20; i++) {
Expect.isFalse(bar_tearOff(1));
Expect.isTrue(bar_tearOff.call('foo'));
Expect.isFalse(bar_tearOff.call(1));
Expect.isTrue(bar_tearOff('foo'));
}
opt_arg([a = "a"]) => a is String;
var opt_arg_tearOff = opt_arg.call;
for (var i = 0; i < 20; i++) {
Expect.isFalse(opt_arg_tearOff(1));
Expect.isFalse(opt_arg_tearOff.call(1));
Expect.isTrue(opt_arg_tearOff());
Expect.isTrue(opt_arg_tearOff.call());
Expect.isTrue(opt_arg_tearOff("b"));
Expect.isTrue(opt_arg_tearOff.call("b"));
}
named_arg({x: 11, y: 22}) => "$x$y";
var named_arg_tearOff = named_arg.call;
for (var i = 0; i < 20; i++) {
Expect.equals("1122", named_arg_tearOff());
Expect.equals("1122", named_arg_tearOff.call());
Expect.equals("4455", named_arg_tearOff(y: 55, x: 44));
Expect.equals("4455", named_arg_tearOff.call(y: 55, x: 44));
Expect.equals("4455", named_arg_tearOff(x: 44, y: 55));
Expect.equals("4455", named_arg_tearOff.call(x: 44, y: 55));
}
// In order to test runtime behavior of calling with invalid arguments,
// we cast to dynamic to make the type system forget about the actual types.
dynamic bar_tearOff_d = bar_tearOff;
dynamic opt_arg_tearOff_d = opt_arg_tearOff;
dynamic named_arg_tearOff_d = named_arg_tearOff;
Expect.throws(() => bar_tearOff_d.call());
Expect.throwsNoSuchMethodError(() => opt_arg_tearOff_d.call(x: "p"));
Expect.throwsNoSuchMethodError(() => named_arg_tearOff_d.call("p", "q"));
}