mirror of
https://github.com/dart-lang/sdk
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e23acaaf90
Test Plan: Make vm-kernel-precomp-obfuscate-linux-release-x64-try green, ensuring status file changes reflect design gaps and not bugs. Tested locally that obfuscated Flutter Gallery runs. Change-Id: Ifcdc334de58f43c310e15b58dbcf6fe1597206f2 Cq-Include-Trybots: luci.dart.try:vm-kernel-precomp-obfuscate-linux-release-x64-try Reviewed-on: https://dart-review.googlesource.com/c/81009 Commit-Queue: Samir Jindel <sjindel@google.com> Reviewed-by: Vyacheslav Egorov <vegorov@google.com>
81 lines
3.5 KiB
Dart
81 lines
3.5 KiB
Dart
// Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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// Tests self referencing types.
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import "package:expect/expect.dart";
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@pragma("vm:entry-point") // Prevent obfuscation
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class Base<T> {
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get t => T;
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}
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// Derived<T> is contractive.
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@pragma("vm:entry-point") // Prevent obfuscation
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class Derived<T> extends Base<Derived<T>> {} // //# 00: ok
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// Derived<T> is contractive.
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@pragma("vm:entry-point") // Prevent obfuscation
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class Derived<T> extends Base<Derived<Derived<int>>> {} // //# 01: ok
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// Derived<T> is non-contractive.
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@pragma("vm:entry-point") // Prevent obfuscation
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class Derived<T> extends Base<Derived<Derived<T>>> {} // //# 02: ok
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// Derived1<U> and Derived2<V> are contractive.
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@pragma("vm:entry-point") // Prevent obfuscation
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class Derived1<U> extends Base<Derived2<U>> {} // //# 03: ok
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@pragma("vm:entry-point") // Prevent obfuscation
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class Derived2<V> extends Base<Derived1<V>> {} // //# 03: ok
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// Derived1<U> and Derived2<V> are non-contractive.
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@pragma("vm:entry-point") // Prevent obfuscation
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class Derived1<U> extends Base<Derived2<U>> {} // //# 04: ok
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@pragma("vm:entry-point") // Prevent obfuscation
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class Derived2<V> extends Base<Derived1<Derived2<V>>> {} // //# 04: ok
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main() {
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// In the tests below we test that we get "int" and "bool" when calling
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// toString() on the int and bool type respectively. This is not required
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// behavior. However, we want to keep the original names for the most common
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// core types so we make sure to handle these specifically in the compiler.
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var d;
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d = new Derived(); // //# 00: continued
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Expect.equals("Derived<dynamic>", d.t.toString()); // //# 00: continued
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d = new Derived<bool>(); // //# 00: continued
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Expect.equals("Derived<bool>", d.t.toString()); // //# 00: continued
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d = new Derived<Derived>(); // //# 00: continued
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Expect.equals("Derived<Derived<dynamic>>", d.t.toString()); // //# 00: continued
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d = new Derived(); // //# 01: continued
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Expect.equals("Derived<Derived<int>>", d.t.toString()); // //# 01: continued
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d = new Derived<bool>(); // //# 01: continued
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Expect.equals("Derived<Derived<int>>", d.t.toString()); // //# 01: continued
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d = new Derived<Derived>(); // //# 01: continued
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Expect.equals("Derived<Derived<int>>", d.t.toString()); // //# 01: continued
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d = new Derived(); // //# 02: continued
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Expect.equals("Derived<Derived<dynamic>>", d.t.toString()); // //# 02: continued
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d = new Derived<bool>(); // //# 02: continued
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Expect.equals("Derived<Derived<bool>>", d.t.toString()); // //# 02: continued
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d = new Derived<Derived>(); // //# 02: continued
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Expect.equals("Derived<Derived<Derived<dynamic>>>", d.t.toString()); // //# 02: continued
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d = new Derived1(); // //# 03: continued
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Expect.equals("Derived2<dynamic>", d.t.toString()); // //# 03: continued
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d = new Derived2(); // //# 03: continued
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Expect.equals("Derived1<dynamic>", d.t.toString()); // //# 03: continued
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d = new Derived2<Derived1<int>>(); // //# 03: continued
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Expect.equals("Derived1<Derived1<int>>", d.t.toString()); // //# 03: continued
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d = new Derived1(); // //# 04: continued
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Expect.equals("Derived2<dynamic>", d.t.toString()); // //# 04: continued
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d = new Derived2(); // //# 04: continued
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Expect.equals("Derived1<Derived2<dynamic>>", d.t.toString()); // //# 04: continued
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d = new Derived2<Derived1<int>>(); // //# 04: continued
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Expect.equals("Derived1<Derived2<Derived1<int>>>", d.t.toString()); // //# 04: continued
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}
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