blob: 73834f47d15656f3bc3b193da16608d6eed41613 [file] [log] [blame]
// Copyright (c) 2011, 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 = 2.7
import "native_testing.dart";
// Test to see if resolving a hidden native class's method to noSuchMethod
// interferes with subsequent resolving of the method. This might happen if the
// noSuchMethod is cached on Object.prototype.
@Native("A1")
class A1 {}
@Native("B1")
class B1 extends A1 {}
makeA1() native;
makeB1() native;
@Native("A2")
class A2 {
foo([a = 99]) native;
}
@Native("B2")
class B2 extends A2 {}
makeA2() native;
makeB2() native;
makeObject() native;
void setup() {
JS('', r"""
(function(){
// This code is inside 'setup' and so not accessible from the global scope.
function inherits(child, parent) {
if (child.prototype.__proto__) {
child.prototype.__proto__ = parent.prototype;
} else {
function tmp() {};
tmp.prototype = parent.prototype;
child.prototype = new tmp();
child.prototype.constructor = child;
}
}
function A1(){}
function B1(){}
inherits(B1, A1);
self.makeA1 = function(){return new A1()};
self.makeB1 = function(){return new B1()};
function A2(){}
function B2(){}
inherits(B2, A2);
A2.prototype.foo = function(a){return 'A2.foo(' + a + ')';};
self.makeA2 = function(){return new A2()};
self.makeB2 = function(){return new B2()};
self.makeObject = function(){return new Object()};
self.nativeConstructor(A1);
self.nativeConstructor(A2);
self.nativeConstructor(B1);
self.nativeConstructor(B2);
})()""");
applyTestExtensions(['A1', 'A2', 'B1', 'B2']);
}
main() {
nativeTesting();
setup();
var a1 = makeA1();
var b1 = makeB1();
var ob = makeObject();
// Does calling missing methods in one tree of inheritance forest affect other
// trees?
expectNoSuchMethod(() => b1.foo(), 'b1.foo()');
expectNoSuchMethod(() => a1.foo(), 'a1.foo()');
expectNoSuchMethod(() => ob.foo(), 'ob.foo()');
var a2 = makeA2();
var b2 = makeB2();
Expect.equals('A2.foo(99)', a2.foo());
Expect.equals('A2.foo(99)', b2.foo());
Expect.equals('A2.foo(1)', a2.foo(1));
Expect.equals('A2.foo(2)', b2.foo(2));
expectNoSuchMethod(() => b1.foo(3), 'b1.foo(3)');
expectNoSuchMethod(() => a1.foo(4), 'a1.foo(4)');
}
expectNoSuchMethod(action, note) {
bool caught = false;
try {
action();
} catch (ex) {
caught = true;
Expect.isTrue(ex is NoSuchMethodError, note);
}
Expect.isTrue(caught, note);
}