tests/corelib/iterable_to_list_test.dart - Issue 2996513002: Migrated test block 12 to Dart 2.0.

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Issue 2996513002: Migrated test block 12 to Dart 2.0. (Closed)

Patch Set: Created 3 years, 4 months ago

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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file

2 // for details. All rights reserved. Use of this source code is governed by a

3 // BSD-style license that can be found in the LICENSE file.

4

5 import "dart:collection" show Queue;

6 import "dart:typed_data" show Uint8List, Float32List;

7 import "package:expect/expect.dart";

8

9 main() {

10 // testIterable takes an iterable and a list expected to be equal to

11 // the iterable's toList result, including the type parameter of the list.

12 testIterable([], []);

13 testIterable(<int>[], <int>[]);

14 testIterable(<String>[], <String>[]);

15 testIterable([1, 2, 3], [1, 2, 3]);

16 testIterable(<int>[1, 2, 3], <int>[1, 2, 3]);

17 testIterable(const [1, 2], [1, 2]);

18 testIterable(const <int>[1, 2], <int>[1, 2]);

19 testIterable({"x": 1, "y": 1}.keys, ["x", "y"]);

20 testIterable(<String, int>{"x": 1, "y": 1}.keys, <String>["x", "y"]);

21 testIterable({"x": 2, "y": 3}.values, [2, 3]);

22 testIterable(<String, int>{"x": 2, "y": 3}.values, <int>[2, 3]);

23 testIterable(new Iterable.generate(3), [0, 1, 2]);

24 testIterable(new Iterable<int>.generate(3), <int>[0, 1, 2]);

25 testIterable(

26 new Iterable<String>.generate(3, (x) => "$x"), <String>["0", "1", "2"]);

27 testIterable(new Set.from([1, 2, 3]), [1, 2, 3]);

28 testIterable(new Set<int>.from([1, 2, 3]), <int>[1, 2, 3]);

29 testIterable(new Queue.from([1, 2, 3]), [1, 2, 3]);

30 testIterable(new Queue<int>.from(<int>[1, 2, 3]), <int>[1, 2, 3]);

31 testIterable(new Uint8List.fromList(<int>[1, 2, 3]), // //# 01: ok

32 <int>[1, 2, 3]); // //# 01: continued

33 testIterable(new Float32List.fromList([1.0, 2.0, 3.0]), // //# 01: continued

34 <double>[1.0, 2.0, 3.0]); // //# 01: continued

35 testIterable("abc".codeUnits, <int>[97, 98, 99]); // //# 01: continued

36 testIterable("abc".runes, <int>[97, 98, 99]);

37 }

38

39 testIterable(Iterable iterable, List expected, [int depth = 0]) {

40 print(" " * depth + "${iterable.runtimeType} vs ${expected.runtimeType}");

41 test(iterable, expected);

42 test(iterable, expected, growable: true);

43 test(iterable, expected, growable: false);

44 if (depth < 2) {

45 depth++;

46 testIterable(iterable.map((x) => x), new List.from(expected), depth);

47 testIterable(iterable.where((x) => true), expected, depth);

48 testIterable(iterable.expand((x) => [x]), new List.from(expected), depth);

49 testIterable(iterable.map((x) => x), new List.from(expected), depth);

50 testIterable(iterable.skipWhile((x) => false), expected, depth);

51 testIterable(iterable.takeWhile((x) => true), expected, depth);

52 testIterable(iterable.skip(0), expected, depth);

53 testIterable(iterable.take(expected.length * 2), expected, depth);

54 testIterable(iterable.toSet(), expected, depth);

55 }

56 }

57

58 test(Iterable iterable, List expected, {bool growable: true}) {

59 var list = iterable.toList(growable: growable);

60 Expect.listEquals(expected, list);

61 Expect.equals(expected is List<int>, list is List<int>, "int");

62 Expect.equals(expected is List<double>, list is List<double>, "double");

63 Expect.equals(expected is List<String>, list is List<String>, "str");

64 if (growable) {

65 int length = list.length;

66 list.add(null);

67 Expect.equals(length + 1, list.length);

68 } else {

69 Expect.throws(() {

70 list.add(null);

71 });

72 }

73 }

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