tests/compiler/dart2js/js_backend_cps_ir_constructor_test.dart

// Copyright (c) 2015, 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.

// Tests of interceptors.

library constructor_test;

import 'js_backend_cps_ir.dart';

const List<TestEntry> tests = const [
  const TestEntry.forMethod('generative_constructor(Sub#)', """
class Base {
  var x;
  Base(this.x);
}
class Sub extends Base {
  var y;
  Sub(x, this.y) : super(x);
}
main() {
  print(new Sub(1, 2).x);
}""",
r"""
function(x, y) {
  return new V.Sub(y, x);
}"""),

  const TestEntry.forMethod('generative_constructor_body(Sub#)', """
class Base {
  var x;
  Base(this.x);
}
class Sub extends Base {
  var y;
  Sub(x, this.y) : super(x) {
    print(x);
  }
}
main() {
  print(new Sub(1, 2).x);
}""",
r"""
function(x, y) {
  P.print(x);
}"""),

  const TestEntry.forMethod('generative_constructor(Sub#)', """
class Base0 {
  Base0() {
    print('Base0');
  }
}
class Base extends Base0 {
  var x;
  Base(this.x);
}
class Sub extends Base {
  var y;
  Sub(x, this.y) : super(x) {
    print(x);
  }
}
main() {
  print(new Sub(1, 2).x);
}""",
r"""
function(x, y) {
  var v0 = new V.Sub(y, x);
  v0.Base0$0();
  v0.Sub$2(x, y);
  return v0;
}"""),

  const TestEntry.forMethod('generative_constructor(Sub#)', """
class Base0 {
  Base0() {
    print('Base0');
  }
}
class Base extends Base0 {
  var x;
  Base(x1) : x = (() => ++x1) {
    print(x1); // use boxed x1
  }
}
class Sub extends Base {
  var y;
  Sub(x, this.y) : super(x) {
    print(x);
  }
}
main() {
  print(new Sub(1, 2).x);
}""",
r"""
function(x, y) {
  var _box_0 = {}, v0 = new V.Sub(y, new V.Base_closure(_box_0));
  _box_0._captured_x1_0 = x;
  v0.Base0$0();
  v0.Base$1(_box_0);
  v0.Sub$2(x, y);
  return v0;
}"""),

  const TestEntry.forMethod('generative_constructor(Sub#)', """
foo(x) {
  print(x);
}
class Base {
  var x1 = foo('x1');
  var x2;
  var x3 = foo('x3');
  Base() : x2 = foo('x2');
}
class Sub extends Base {
  var y1 = foo('y1');
  var y2;
  var y3;
  Sub() : y2 = foo('y2'), super(), y3 = foo('y3');
}
main() {
  new Sub();
}
""",
r"""
function() {
  var v0 = V.foo("y1"), v1 = V.foo("y2"), v2 = V.foo("x1"), v3 = V.foo("x3"), v4 = V.foo("x2");
  return new V.Sub(v0, v1, V.foo("y3"), v2, v4, v3);
}"""),


  const TestEntry.forMethod('generative_constructor(Foo#)', """
class Bar {
  Bar(x, {y, z: 'z', w: '_', q}) {
    print(x);
    print(y);
    print(z);
    print(w);
    print(q);
  }
}
class Foo extends Bar {
  Foo() : super('x', y: 'y', w: 'w');
}
main() {
  new Foo();
}
""",
r"""
function() {
  var v0 = new V.Foo();
  v0.Bar$5$q$w$y$z("x", null, "w", "y", "z");
  return v0;
}"""),
  const TestEntry(r"""
class C<T> {
  foo() => T;
}
main() {
  print(new C<int>().foo());
}""", r"""
function() {
  P.print(V.C$(P.$int).foo$0());
}"""),
  const TestEntry(r"""
class C<T> {
  foo() => C;
}
main() {
  print(new C<int>().foo());
}""", r"""
function() {
  P.print(V.C$().foo$0());
}"""),
  const TestEntry.forMethod('generative_constructor(C#)', r"""
class C<T> {
  C() { print(T); }
  foo() => print(T);
}
main() {
  new C<int>();
}""", r"""
function($T) {
  var v0 = H.setRuntimeTypeInfo(new V.C(), [$T]);
  v0.C$0();
  return v0;
}"""),
  const TestEntry.forMethod('generative_constructor(C#)', r"""
class C<T> {
  var x;
  C() : x = new D<T>();
}
class D<T> {
  foo() => T;
}
main() {
  print(new C<int>().x.foo());
}""", r"""
function($T) {
  return H.setRuntimeTypeInfo(new V.C(V.D$($T)), [$T]);
}"""),


  const TestEntry.forMethod('generative_constructor(A#)', r"""
class A {
  var x;
  A() : this.b(1);
  A.b(this.x);
}
main() {
  print(new A().x);
}""", r"""
function() {
  return new V.A(1);
}"""),


const TestEntry.forMethod('function(Foo#make)', r"""
class Foo {
  factory Foo.make(x) {
    print('Foo');
    return new Foo.create(x);
  }
  var x;
  Foo.create(this.x);
}
main() {
  print(new Foo.make(5));
}""", r"""
function(x) {
  P.print("Foo");
  return V.Foo$create(x);
}"""),
const TestEntry(r"""
class Foo {
  factory Foo.make(x) = Foo.create;
  var x;
  Foo.create(this.x);
}
main() {
  print(new Foo.make(5));
}""", r"""
function() {
  P.print(V.Foo$create(5));
}"""),
const TestEntry(r"""
class A {
  factory A(x) = B<int>;
  get typevar;
}
class B<T> implements A {
  var x;
  B(this.x);

  get typevar => T;
}
main() {
  new A(5).typevar;
}""", r"""
function() {
  V.B$(5, P.$int).get$typevar();
}"""),
];

void main() {
  runTests(tests);
}