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// Copyright (c) 2012, 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
import "package:expect/expect.dart";
// Tests basic classes and methods.
class ClassTest {
ClassTest() {}
static testMain() {
var test = new ClassTest();
test.testSuperCalls();
test.testVirtualCalls();
test.testStaticCalls();
test.testInheritedField();
test.testMemberRefInClosure();
test.testFactory();
test.testNamedConstructors();
test.testDefaultImplementation();
test.testFunctionParameter((int a) {
return a;
});
}
testFunctionParameter(int func(int a)) {
Expect.equals(1, func(1));
}
testSuperCalls() {
var sub = new Sub();
Expect.equals(43, sub.methodX());
Expect.equals(84, sub.methodK());
}
testVirtualCalls() {
var sub = new Sub();
Expect.equals(41, sub.method2());
Expect.equals(41, sub.method3());
}
testStaticCalls() {
var sub = new Sub();
Expect.equals(-42, Sub.method4());
Expect.equals(-41, sub.method5());
}
testInheritedField() {
var sub = new Sub();
Expect.equals(42, sub.method6());
}
testMemberRefInClosure() {
var sub = new Sub();
Expect.equals(1, sub.closureRef());
Expect.equals(2, sub.closureRef());
// Make sure it is actually on the object, not the global 'this'.
sub = new Sub();
Expect.equals(1, sub.closureRef());
Expect.equals(2, sub.closureRef());
}
testFactory() {
var sup = new Sup.named();
Expect.equals(43, sup.methodX());
Expect.equals(84, sup.methodK());
}
testNamedConstructors() {
var sup = new Sup.fromInt(4);
Expect.equals(4, sup.methodX());
Expect.equals(0, sup.methodK());
}
testDefaultImplementation() {
var x = new Inter(4);
Expect.equals(4, x.methodX());
Expect.equals(8, x.methodK());
x = new Inter.fromInt(4);
Expect.equals(4, x.methodX());
Expect.equals(0, x.methodK());
x = new Inter.named();
Expect.equals(43, x.methodX());
Expect.equals(84, x.methodK());
x = new Inter.factory();
Expect.equals(43, x.methodX());
Expect.equals(84, x.methodK());
}
}
abstract class Inter {
factory Inter.named() = Sup.named;
factory Inter.fromInt(int x) = Sup.fromInt;
factory Inter(int x) = Sup;
factory Inter.factory() = Sup.factory;
int methodX();
int methodK();
int x_;
}
class Sup implements Inter {
int x_;
int k_;
factory Sup.named() {
return new Sub();
}
factory Sup.factory() {
return new Sub();
}
Sup.fromInt(int x) {
x_ = x;
k_ = 0;
}
int methodX() {
return x_;
}
int methodK() {
return k_;
}
Sup(int x) : this.x_ = x {
k_ = x * 2;
}
int method2() {
return x_ - 1;
}
}
class Sub extends Sup {
int y_;
// Override
int methodX() {
return super.methodX() + 1;
}
int method3() {
return method2();
}
static int method4() {
return -42;
}
int method5() {
return method4() + 1;
}
int method6() {
return x_ + y_;
}
int closureRef() {
var f = () {
y_ += 1;
return y_;
};
return f();
}
Sub() : super(42) {
y_ = 0;
}
}
main() {
ClassTest.testMain();
}