| // Copyright (c) 2016, 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. |
| |
| import "dart:collection"; |
| |
| import "package:collection/collection.dart"; |
| import "package:test/test.dart"; |
| |
| import '../utils.dart'; |
| |
| void main() { |
| group("with valid types, forwards", () { |
| var wrapper; |
| var emptyWrapper; |
| setUp(() { |
| wrapper = |
| DelegatingQueue.typed<int>(new Queue<Object>.from([1, 2, 3, 4, 5])); |
| emptyWrapper = DelegatingQueue.typed<int>(new Queue<Object>()); |
| }); |
| |
| test("add()", () { |
| wrapper.add(6); |
| wrapper.add(7); |
| expect(wrapper, equals([1, 2, 3, 4, 5, 6, 7])); |
| }); |
| |
| test("addAll()", () { |
| wrapper.addAll([6, 7, 8]); |
| expect(wrapper, equals([1, 2, 3, 4, 5, 6, 7, 8])); |
| }); |
| |
| test("addFirst()", () { |
| wrapper.addFirst(6); |
| wrapper.addFirst(7); |
| expect(wrapper, equals([7, 6, 1, 2, 3, 4, 5])); |
| }); |
| |
| test("addLast()", () { |
| wrapper.addLast(6); |
| wrapper.addLast(7); |
| expect(wrapper, equals([1, 2, 3, 4, 5, 6, 7])); |
| }); |
| |
| test("clear()", () { |
| wrapper.clear(); |
| expect(wrapper, isEmpty); |
| }); |
| |
| test("remove()", () { |
| expect(wrapper.remove(3), isTrue); |
| expect(wrapper, equals([1, 2, 4, 5])); |
| |
| expect(wrapper.remove(3), isFalse); |
| expect(wrapper.remove("foo"), isFalse); |
| }); |
| |
| test("removeWhere()", () { |
| wrapper.removeWhere((i) => i.isOdd); |
| expect(wrapper, equals([2, 4])); |
| }); |
| |
| test("retainWhere()", () { |
| wrapper.retainWhere((i) => i.isOdd); |
| expect(wrapper, equals([1, 3, 5])); |
| }); |
| |
| test("removeLast()", () { |
| expect(wrapper.removeLast(), equals(5)); |
| expect(wrapper, equals([1, 2, 3, 4])); |
| |
| expect(() => emptyWrapper.removeLast(), throwsStateError); |
| }); |
| |
| test("removeFirst()", () { |
| expect(wrapper.removeFirst(), equals(1)); |
| expect(wrapper, equals([2, 3, 4, 5])); |
| |
| expect(() => emptyWrapper.removeFirst(), throwsStateError); |
| }); |
| }); |
| |
| group("with invalid types", () { |
| Queue inner; |
| var wrapper; |
| setUp(() { |
| inner = new Queue<Object>.from(["foo", "bar", "baz"]); |
| wrapper = DelegatingQueue.typed<int>(inner); |
| }); |
| |
| group("throws a CastError for", () { |
| test("removeLast()", () { |
| expect(() => wrapper.removeLast(), throwsCastError); |
| }); |
| |
| test("removeFirst()", () { |
| expect(() => wrapper.removeFirst(), throwsCastError); |
| }); |
| |
| test("removeWhere()", () { |
| expect(() => wrapper.removeWhere(expectAsync1((_) => false, count: 0)), |
| throwsCastError); |
| }); |
| |
| test("retainWhere()", () { |
| expect(() => wrapper.retainWhere(expectAsync1((_) => false, count: 0)), |
| throwsCastError); |
| }); |
| }); |
| |
| group("doesn't throw a CastError for", () { |
| test("add()", () { |
| wrapper.add(6); |
| wrapper.add(7); |
| expect(inner, equals(["foo", "bar", "baz", 6, 7])); |
| }); |
| |
| test("addAll()", () { |
| wrapper.addAll([6, 7, 8]); |
| expect(inner, equals(["foo", "bar", "baz", 6, 7, 8])); |
| }); |
| |
| test("addFirst()", () { |
| wrapper.addFirst(6); |
| wrapper.addFirst(7); |
| expect(inner, equals([7, 6, "foo", "bar", "baz"])); |
| }); |
| |
| test("addLast()", () { |
| wrapper.addLast(6); |
| wrapper.addLast(7); |
| expect(inner, equals(["foo", "bar", "baz", 6, 7])); |
| }); |
| |
| test("clear()", () { |
| wrapper.clear(); |
| expect(wrapper, isEmpty); |
| }); |
| }); |
| }, skip: isDart2 ? false : 'Requires a Dart2 runtime'); |
| } |