Robert Nystrom
0906af6d2f
I also regenerated the static error expectations (see #57042 for context). Change-Id: Ia0ca22604a0dd422cc265a46845afc43f551fe38 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/394572 Commit-Queue: Lasse Nielsen <lrn@google.com> Reviewed-by: Lasse Nielsen <lrn@google.com> Auto-Submit: Bob Nystrom <rnystrom@google.com>
82 lines
2.3 KiB
Dart
82 lines
2.3 KiB
Dart
// Copyright (c) 2018, 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 map_unmodifiable_cast_test;
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import "package:expect/expect.dart";
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import 'dart:collection';
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void main() {
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testNum(const {1: 37}, "const");
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testNum(const <num, num>{1: 37}.cast<int, int>(), "const.cast");
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testNum(new UnmodifiableMapView({1: 37}), "unmod");
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testNum(new UnmodifiableMapView<num, num>(<num, num>{1: 37}), "unmod.cast");
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testNum(
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new UnmodifiableMapView<num, num>(<num, num>{1: 37}).cast<int, int>(),
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"unmodView<num>(num).cast<int>",
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);
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testNum(
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new UnmodifiableMapView<num, num>(<int, int>{1: 37}).cast<int, int>(),
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"unmodView<num>(int).cast<int>",
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);
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testNum(
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new UnmodifiableMapView<Object, Object>(<num, num>{1: 37}).cast<int, int>(),
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"unmodView<Object>(num).cast<int>",
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);
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testNum(
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new UnmodifiableMapView<Object, Object>(<int, int>{1: 37}).cast<num, num>(),
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"unmodView<Object>(int).cast<num>",
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);
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var m2 = new Map<num, num>.unmodifiable({1: 37});
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testNum(m2, "Map<num>.unmod");
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testNum(m2.cast<int, int>(), "Map<num>.unmod.cast<int>");
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Map<Symbol, dynamic> nsm = new NsmMap().foo(a: 0);
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test<Symbol, dynamic>(nsm, #a, 0, "nsm", noSuchMethodMap: true);
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test<Object, int>(
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nsm.cast<Object, int>(),
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#a,
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0,
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"nsm.cast",
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noSuchMethodMap: true,
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);
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}
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void testNum(Map<Object, Object> map, String name) {
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test<int, int>(map, 1, 37, name);
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}
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void test<K, V>(
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map,
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firstKey,
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firstValue,
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String name, {
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bool noSuchMethodMap = false,
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}) {
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if (!noSuchMethodMap) {
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Expect.isTrue(map.containsKey(firstKey), "$name.containsKey");
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Expect.equals(1, map.length, "$name.length");
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Expect.equals(firstKey, map.keys.first, "$name.keys.first");
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Expect.equals(firstValue, map.values.first, "$name.values.first");
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}
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Expect.throwsUnsupportedError(map.clear, "$name.clear");
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Expect.throwsUnsupportedError(() {
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map.remove(firstKey);
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}, "$name.remove");
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Expect.throwsUnsupportedError(() {
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map[firstKey] = firstValue;
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}, "$name[]=");
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Expect.throwsUnsupportedError(() {
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map.addAll(<K, V>{firstKey: firstValue});
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}, "$name.addAll");
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}
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class NsmMap {
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noSuchMethod(i) => i.namedArguments;
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foo({a, b, c, d});
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}
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