blob: 928171d6759102a24c9fb334acd54eeae9b6a584 [file] [log] [blame]
// Copyright (c) 2013, 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.
// @dart = 2.9
// Test [Function.apply] on user-defined classes that implement [noSuchMethod].
import "package:expect/expect.dart";
import 'dart:mirrors';
class F {
call([p1]) => "call";
noSuchMethod(Invocation invocation) => "NSM";
}
class G {
call() => '42';
noSuchMethod(Invocation invocation) => invocation;
}
class H {
call(required, {a}) => required + a;
}
main() {
Expect.equals('call', Function.apply(new F(), []));
Expect.equals('call', Function.apply(new F(), [1]));
Expect.equals('NSM', Function.apply(new F(), [1, 2]));
Expect.equals('NSM', Function.apply(new F(), [1, 2, 3]));
var symbol = const Symbol('a');
var requiredParameters = [1];
var optionalParameters = new Map<Symbol, int>()..[symbol] = 42;
Invocation i =
Function.apply(new G(), requiredParameters, optionalParameters);
Expect.equals(const Symbol('call'), i.memberName);
Expect.listEquals(requiredParameters, i.positionalArguments);
Expect.mapEquals(optionalParameters, i.namedArguments);
Expect.isTrue(i.isMethod);
Expect.isFalse(i.isGetter);
Expect.isFalse(i.isSetter);
Expect.isFalse(i.isAccessor);
// Check that changing the passed list and map for parameters does
// not affect [i].
requiredParameters[0] = 42;
optionalParameters[symbol] = 12;
Expect.listEquals([1], i.positionalArguments);
Expect.mapEquals(new Map()..[symbol] = 42, i.namedArguments);
// Check that using [i] for invocation yields the same [Invocation]
// object.
var mirror = reflect(new G());
Invocation other = mirror.delegate(i);
Expect.equals(i.memberName, other.memberName);
Expect.listEquals(i.positionalArguments, other.positionalArguments);
Expect.mapEquals(i.namedArguments, other.namedArguments);
Expect.equals(i.isMethod, other.isMethod);
Expect.equals(i.isGetter, other.isGetter);
Expect.equals(i.isSetter, other.isSetter);
Expect.equals(i.isAccessor, other.isAccessor);
// Test that [i] can be used to hit an existing method.
Expect.equals(43, new H().call(1, a: 42));
Expect.equals(43, Function.apply(new H(), [1], new Map()..[symbol] = 42));
mirror = reflect(new H());
Expect.equals(43, mirror.delegate(i));
Expect.equals(43, mirror.delegate(other));
}