mirror of
https://github.com/dart-lang/sdk
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14011f47e3
They're back from the grave, and ready to party! Change-Id: I088134a9be7ecabf1fbf751c015a656a15cabff9 Reviewed-on: https://dart-review.googlesource.com/12821 Commit-Queue: Bob Nystrom <rnystrom@google.com> Reviewed-by: William Hesse <whesse@google.com>
131 lines
4.7 KiB
Dart
131 lines
4.7 KiB
Dart
// Copyright (c) 2011, 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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// Test that instanceof works correctly with type variables.
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part of GenericInstanceofTest.dart;
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class Foo<T> {
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Foo() {}
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bool isT(x) {
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// Untyped parameter to ensure that the static type
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// does not affect the result.
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return x is T;
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}
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bool isListT(x) {
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return x is List<T>;
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}
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}
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class GenericInstanceof {
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static void testMain() {
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// Using Object instead of String to ensure that the static type
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// does not affect the result.
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Foo<Object> fooObject = new Foo<String>();
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Expect.equals(true, fooObject.isT("string"));
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Expect.equals(false, fooObject.isT(1));
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Foo<String> fooString = new Foo<String>();
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Expect.equals(true, fooString.isT("string"));
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Expect.equals(false, fooString.isT(1));
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// Not providing a type argument to ensure that the static type
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// does not affect the result.
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{
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Foo foo = new Foo<String>();
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Expect.equals(true, foo.isT("string"));
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Expect.equals(false, foo.isT(1));
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}
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{
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Foo foo = new Foo();
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Expect.equals(true, foo.isT(new List(5)));
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Expect.equals(true, foo.isT(new List<Object>(5)));
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Expect.equals(true, foo.isT(new List<int>(5)));
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Expect.equals(true, foo.isT(new List<num>(5)));
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Expect.equals(true, foo.isT(new List<String>(5)));
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}
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{
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Foo foo = new Foo<List>();
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Expect.equals(true, foo.isT(new List(5)));
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Expect.equals(true, foo.isT(new List<Object>(5)));
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Expect.equals(true, foo.isT(new List<int>(5)));
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Expect.equals(true, foo.isT(new List<num>(5)));
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Expect.equals(true, foo.isT(new List<String>(5)));
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}
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{
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Foo foo = new Foo<List<Object>>();
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Expect.equals(true, foo.isT(new List(5)));
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Expect.equals(true, foo.isT(new List<Object>(5)));
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Expect.equals(true, foo.isT(new List<int>(5)));
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Expect.equals(true, foo.isT(new List<num>(5)));
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Expect.equals(true, foo.isT(new List<String>(5)));
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}
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{
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Foo foo = new Foo<List<int>>();
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Expect.equals(true, foo.isT(new List(5)));
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Expect.equals(false, foo.isT(new List<Object>(5)));
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Expect.equals(true, foo.isT(new List<int>(5)));
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Expect.equals(false, foo.isT(new List<num>(5)));
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Expect.equals(false, foo.isT(new List<String>(5)));
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}
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{
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Foo foo = new Foo<List<num>>();
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Expect.equals(true, foo.isT(new List(5)));
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Expect.equals(false, foo.isT(new List<Object>(5)));
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Expect.equals(true, foo.isT(new List<int>(5)));
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Expect.equals(true, foo.isT(new List<num>(5)));
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Expect.equals(false, foo.isT(new List<String>(5)));
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}
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{
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Foo foo = new Foo<List<String>>();
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Expect.equals(true, foo.isT(new List(5)));
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Expect.equals(false, foo.isT(new List<Object>(5)));
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Expect.equals(false, foo.isT(new List<int>(5)));
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Expect.equals(false, foo.isT(new List<num>(5)));
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Expect.equals(true, foo.isT(new List<String>(5)));
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}
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{
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Foo foo = new Foo();
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Expect.equals(true, foo.isListT(new List(5)));
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Expect.equals(true, foo.isListT(new List<Object>(5)));
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Expect.equals(true, foo.isListT(new List<int>(5)));
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Expect.equals(true, foo.isListT(new List<num>(5)));
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Expect.equals(true, foo.isListT(new List<String>(5)));
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}
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{
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Foo foo = new Foo<Object>();
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Expect.equals(true, foo.isListT(new List(5)));
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Expect.equals(true, foo.isListT(new List<Object>(5)));
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Expect.equals(true, foo.isListT(new List<int>(5)));
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Expect.equals(true, foo.isListT(new List<num>(5)));
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Expect.equals(true, foo.isListT(new List<String>(5)));
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}
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{
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Foo foo = new Foo<int>();
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Expect.equals(true, foo.isListT(new List(5)));
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Expect.equals(false, foo.isListT(new List<Object>(5)));
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Expect.equals(true, foo.isListT(new List<int>(5)));
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Expect.equals(false, foo.isListT(new List<num>(5)));
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Expect.equals(false, foo.isListT(new List<String>(5)));
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}
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{
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Foo foo = new Foo<num>();
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Expect.equals(true, foo.isListT(new List(5)));
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Expect.equals(false, foo.isListT(new List<Object>(5)));
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Expect.equals(true, foo.isListT(new List<int>(5)));
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Expect.equals(true, foo.isListT(new List<num>(5)));
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Expect.equals(false, foo.isListT(new List<String>(5)));
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}
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{
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Foo foo = new Foo<String>();
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Expect.equals(true, foo.isListT(new List(5)));
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Expect.equals(false, foo.isListT(new List<Object>(5)));
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Expect.equals(false, foo.isListT(new List<int>(5)));
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Expect.equals(false, foo.isListT(new List<num>(5)));
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Expect.equals(true, foo.isListT(new List<String>(5)));
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}
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}
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}
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