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// Copyright (c) 2017, 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 noSuchMethod calls behave as expected for dynamic object invocations.
class BaseClass {
final dynamic finalField = "final!";
baz() => "baz!!";
get bla => (() => "bla!!");
}
class ReturnInvocationName extends BaseClass {
var _bar;
ReturnInvocationName(this._bar);
noSuchMethod(Invocation invocation) {
var name = invocation.memberName.toString();
var match = new RegExp(r'Symbol\("([^"]+)"\)').matchAsPrefix(name);
return match != null ? match.group(1) : name;
}
bar() {
return _bar;
}
}
class Foo {}
main() {
dynamic x = new ReturnInvocationName(42);
Expect.equals('final!', x.finalField);
Expect.equals('foo', x.finalField = "foo", 'should call noSuchMethod');
Expect.equals('final!', x.finalField, 'field was not set');
Expect.equals('_prototype', x._prototype);
Expect.equals('_prototype', x._prototype());
Expect.equals('prototype', x.prototype);
Expect.equals('prototype', x.prototype());
Expect.equals('constructor', x.constructor);
Expect.equals('constructor', x.constructor());
Expect.equals('__proto__', x.__proto__);
Expect.equals('__proto__', x.__proto__);
Expect.equals(42, x.bar());
Expect.equals(42, (x.bar)());
Expect.equals('unary-', -x);
Expect.equals('+', x + 42);
Expect.equals('[]', x[4]);
dynamic b = new BaseClass();
Expect.equals('final!', b.finalField);
Expect.throwsNoSuchMethodError(() => b.finalField = "foo");
Expect.equals('final!', b.finalField, 'field was not set');
// Verify that noSuchMethod errors are triggered even when the JS object
// happens to have a matching member name.
dynamic f = new Foo();
Expect.throwsNoSuchMethodError(() => f.prototype);
Expect.throwsNoSuchMethodError(() => f.prototype());
Expect.throwsNoSuchMethodError(() => f.prototype = 42);
Expect.throwsNoSuchMethodError(() => f.constructor);
Expect.throwsNoSuchMethodError(() => f.constructor());
Expect.throwsNoSuchMethodError(() => f.constructor = 42);
Expect.throwsNoSuchMethodError(() => f.__proto__);
// These are valid JS properties but not Dart methods.
Expect.throwsNoSuchMethodError(() => f.toLocaleString);
Expect.throwsNoSuchMethodError(() => f.hasOwnProperty);
f = (int x) {};
// Calls with the wrong number of arguments should be NoSuchMethodErrors.
Expect.throwsNoSuchMethodError(() => f());
Expect.throwsNoSuchMethodError(() => f('hi', '!'));
Expect.throwsNoSuchMethodError(() => f(x: 42));
}