Florian Loitsch
46ba54e315
R=sigmund@google.com Review-Url: https://codereview.chromium.org/2727323002 .
85 lines
3.5 KiB
Dart
85 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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library test.generic_bounded;
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@MirrorsUsed(targets: "test.generic_bounded")
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import 'dart:mirrors';
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import 'package:expect/expect.dart';
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import 'generics_helper.dart';
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class Super<T extends num> {}
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class Fixed extends Super<int> {}
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class Generic<R> extends Super<R> {} // //# 02: static type warning
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class Malbounded extends Super<String> {} //# 01: static type warning
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bool inCheckedMode() {
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try {
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var s = 'string';
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int i = s;
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} catch (e) {
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return true;
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}
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return false;
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}
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main() {
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ClassMirror superDecl = reflectClass(Super);
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ClassMirror superOfInt = reflectClass(Fixed).superclass;
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ClassMirror genericDecl = reflectClass(Generic); // //# 02: continued
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ClassMirror superOfR = genericDecl.superclass; // //# 02: continued
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ClassMirror genericOfDouble = reflect(new Generic<double>()).type; // //# 02: continued
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ClassMirror superOfDouble = genericOfDouble.superclass; // //# 02: continued
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try {
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ClassMirror genericOfBool = reflect(new Generic<bool>()).type; // //# 02: static type warning
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ClassMirror superOfBool = genericOfBool.superclass; // //# 02: continued
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Expect.isFalse(genericOfBool.isOriginalDeclaration); // //# 02: continued
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Expect.isFalse(superOfBool.isOriginalDeclaration); // //# 02: continued
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typeParameters(genericOfBool, [#R]); // //# 02: continued
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typeParameters(superOfBool, [#T]); // //# 02: continued
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typeArguments(genericOfBool, [reflectClass(bool)]); // //# 02: continued
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typeArguments(superOfBool, [reflectClass(bool)]); // //# 02: continued
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Expect.isFalse(inCheckedMode()); //# 02: continued
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} on TypeError catch (e) {
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Expect.isTrue(inCheckedMode());
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}
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ClassMirror superOfString = reflectClass(Malbounded).superclass; // //# 01: continued
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Expect.isTrue(superDecl.isOriginalDeclaration);
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Expect.isFalse(superOfInt.isOriginalDeclaration);
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Expect.isTrue(genericDecl.isOriginalDeclaration); // //# 02: continued
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Expect.isFalse(superOfR.isOriginalDeclaration); // //# 02: continued
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Expect.isFalse(genericOfDouble.isOriginalDeclaration); // //# 02: continued
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Expect.isFalse(superOfDouble.isOriginalDeclaration); // //# 02: continued
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Expect.isFalse(superOfString.isOriginalDeclaration); // //# 01: continued
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TypeVariableMirror tFromSuper = superDecl.typeVariables.single;
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TypeVariableMirror rFromGeneric = genericDecl.typeVariables.single; // //# 02: continued
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Expect.equals(reflectClass(num), tFromSuper.upperBound);
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Expect.equals(reflectClass(Object), rFromGeneric.upperBound); // //# 02: continued
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typeParameters(superDecl, [#T]);
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typeParameters(superOfInt, [#T]);
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typeParameters(genericDecl, [#R]); // //# 02: continued
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typeParameters(superOfR, [#T]); // //# 02: continued
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typeParameters(genericOfDouble, [#R]); // //# 02: continued
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typeParameters(superOfDouble, [#T]); // //# 02: continued
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typeParameters(superOfString, [#T]); // //# 01: continued
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typeArguments(superDecl, []);
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typeArguments(superOfInt, [reflectClass(int)]);
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typeArguments(genericDecl, []); // //# 02: continued
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typeArguments(superOfR, [rFromGeneric]); // //# 02: continued
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typeArguments(genericOfDouble, [reflectClass(double)]); // //# 02: continued
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typeArguments(superOfDouble, [reflectClass(double)]); // //# 02: continued
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typeArguments(superOfString, [reflectClass(String)]); // //# 01: continued
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}
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