mirror of
https://github.com/dart-lang/sdk
synced 2024-09-15 23:49:47 +00:00
00dae36b47
Change-Id: Ic9a180cbb758cf8fe51369d904fa4b51fd1b8e27 Reviewed-on: https://dart-review.googlesource.com/44480 Commit-Queue: Lasse R.H. Nielsen <lrn@google.com> Reviewed-by: Kevin Moore <kevmoo@google.com> Reviewed-by: Erik Ernst <eernst@google.com> Reviewed-by: Leaf Petersen <leafp@google.com>
85 lines
3.9 KiB
Dart
85 lines
3.9 KiB
Dart
// Copyright (c) 2018, 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.
|
|
|
|
library collection.from.test;
|
|
|
|
import "package:expect/expect.dart";
|
|
import 'dart:collection';
|
|
|
|
main() {
|
|
for (Iterable<num> elements in [
|
|
new Set<num>(),
|
|
<num>[],
|
|
const <num>[],
|
|
const <num, int>{}.keys,
|
|
const <int, num>{}.values,
|
|
new Iterable<num>.generate(0),
|
|
new Set<num>()..add(1)..add(2)..add(4),
|
|
<num>[1, 2, 4],
|
|
new Iterable<num>.generate(3, (i) => [1, 2, 4][i]),
|
|
const <num>[1, 2, 4],
|
|
const <num, int>{1: 0, 2: 0, 4: 0}.keys,
|
|
const <int, num>{1: 1, 2: 2, 4: 4}.values,
|
|
]) {
|
|
String sourceType = elements.runtimeType.toString();
|
|
check(sourceType, elements, new List<num>.of(elements));
|
|
Expect.throwsTypeError(() => new List<int>.of(elements));
|
|
check(sourceType, elements, new List<Object>.of(elements));
|
|
check(sourceType, elements, new Queue<num>.of(elements));
|
|
Expect.throwsTypeError(() => new Queue<int>.of(elements));
|
|
check(sourceType, elements, new Queue<Object>.of(elements));
|
|
check(sourceType, elements, new ListQueue<num>.of(elements));
|
|
Expect.throwsTypeError(() => new ListQueue<int>.of(elements));
|
|
check(sourceType, elements, new ListQueue<Object>.of(elements));
|
|
check(sourceType, elements, new DoubleLinkedQueue<num>.of(elements));
|
|
Expect.throwsTypeError(() => new DoubleLinkedQueue<int>.of(elements));
|
|
check(sourceType, elements, new DoubleLinkedQueue<Object>.of(elements));
|
|
check(sourceType, elements, new Set<num>.of(elements));
|
|
Expect.throwsTypeError(() => new Set<int>.of(elements));
|
|
check(sourceType, elements, new Set<Object>.of(elements));
|
|
check(sourceType, elements, new HashSet<num>.of(elements));
|
|
Expect.throwsTypeError(() => new HashSet<int>.of(elements));
|
|
check(sourceType, elements, new HashSet<Object>.of(elements));
|
|
check(sourceType, elements, new LinkedHashSet<num>.of(elements));
|
|
Expect.throwsTypeError(() => new LinkedHashSet<int>.of(elements));
|
|
check(sourceType, elements, new LinkedHashSet<Object>.of(elements));
|
|
check(sourceType, elements, new SplayTreeSet<num>.of(elements));
|
|
Expect.throwsTypeError(() => new SplayTreeSet<int>.of(elements));
|
|
check(sourceType, elements, new SplayTreeSet<Object>.of(elements));
|
|
|
|
// Inference applies to the `of` constructor, unlike the `from` constructor.
|
|
Expect.isTrue(new List.of(elements) is Iterable<num>);
|
|
Expect.isTrue(new Queue.of(elements) is Iterable<num>);
|
|
Expect.isTrue(new ListQueue.of(elements) is Iterable<num>);
|
|
Expect.isTrue(new DoubleLinkedQueue.of(elements) is Iterable<num>);
|
|
Expect.isTrue(new Set.of(elements) is Iterable<num>);
|
|
Expect.isTrue(new HashSet.of(elements) is Iterable<num>);
|
|
Expect.isTrue(new LinkedHashSet.of(elements) is Iterable<num>);
|
|
Expect.isTrue(new SplayTreeSet.of(elements) is Iterable<num>);
|
|
|
|
Expect.isTrue(new List.of(elements) is! Iterable<int>);
|
|
Expect.isTrue(new Queue.of(elements) is! Iterable<int>);
|
|
Expect.isTrue(new ListQueue.of(elements) is! Iterable<int>);
|
|
Expect.isTrue(new DoubleLinkedQueue.of(elements) is! Iterable<int>);
|
|
Expect.isTrue(new Set.of(elements) is! Iterable<int>);
|
|
Expect.isTrue(new HashSet.of(elements) is! Iterable<int>);
|
|
Expect.isTrue(new LinkedHashSet.of(elements) is! Iterable<int>);
|
|
Expect.isTrue(new SplayTreeSet.of(elements) is! Iterable<int>);
|
|
}
|
|
}
|
|
|
|
void check(String sourceType, Iterable<num> source, Iterable target) {
|
|
String targetType = target.runtimeType.toString();
|
|
String name = "$sourceType->$targetType";
|
|
Expect.equals(source.length, target.length, "$name.length");
|
|
|
|
for (var element in target) {
|
|
Expect.isTrue(source.contains(element), "$name:$element in source");
|
|
}
|
|
|
|
for (var element in source) {
|
|
Expect.isTrue(target.contains(element), "$name:$element in target");
|
|
}
|
|
}
|