Johnni Winther
f7ae22a4c1
Change-Id: I4f8098e110c9a5e5d6e102b8c6230e85c1575c6a Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/175040 Reviewed-by: Dmitry Stefantsov <dmitryas@google.com> Commit-Queue: Johnni Winther <johnniwinther@google.com>
107 lines
2.8 KiB
Dart
107 lines
2.8 KiB
Dart
// Copyright (c) 2020, 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.
|
|
|
|
// @dart=2.9
|
|
|
|
void foldInitialElements() {
|
|
dynamic element0 = 0;
|
|
num element1 = 1;
|
|
int element2 = 2;
|
|
var list = <int>[element0, element1, element2, if (true) 3, 4, 5, 6];
|
|
|
|
expect(new List<int>.generate(7, (int i) => i), list);
|
|
|
|
var set = <int>{element0, element1, element2, if (true) 3, 4, 5, 6};
|
|
|
|
expect(new List<int>.generate(7, (int i) => i), set.toList());
|
|
}
|
|
|
|
void foldInitialSpread1() {
|
|
dynamic initial = [0, 1, 2];
|
|
var list = <int>[...initial, if (true) 3, 4, 5, 6];
|
|
|
|
expect(new List<int>.generate(7, (int i) => i), list);
|
|
|
|
var set = <int>{...initial, if (true) 3, 4, 5, 6};
|
|
|
|
expect(new List<int>.generate(7, (int i) => i), set.toList());
|
|
}
|
|
|
|
void foldInitialSpread2() {
|
|
Iterable<num> initial = [0, 1, 2];
|
|
var list = <int>[...initial, if (true) 3, 4, 5, 6];
|
|
|
|
expect(new List<int>.generate(7, (int i) => i), list);
|
|
|
|
var set = <int>{...initial, if (true) 3, 4, 5, 6};
|
|
|
|
expect(new List<int>.generate(7, (int i) => i), set.toList());
|
|
}
|
|
|
|
void foldInitialSpread3() {
|
|
List<num> initial = [0, 1, 2];
|
|
var list = <int>[...initial, if (true) 3, 4, 5, 6];
|
|
|
|
expect(new List<int>.generate(7, (int i) => i), list);
|
|
|
|
var set = <int>{...initial, if (true) 3, 4, 5, 6};
|
|
|
|
expect(new List<int>.generate(7, (int i) => i), set.toList());
|
|
}
|
|
|
|
void foldInitialSpread4() {
|
|
Iterable<int> initial = [0, 1, 2];
|
|
var list = <int>[...initial, if (true) 3, 4, 5, 6];
|
|
|
|
expect(new List<int>.generate(7, (int i) => i), list);
|
|
|
|
var set = <int>{...initial, if (true) 3, 4, 5, 6};
|
|
|
|
expect(new List<int>.generate(7, (int i) => i), set.toList());
|
|
}
|
|
|
|
void foldInitialSpread5() {
|
|
List<int> initial = [0, 1, 2];
|
|
var list = <int>[...initial, if (true) 3, 4, 5, 6];
|
|
|
|
expect(new List<int>.generate(7, (int i) => i), list);
|
|
|
|
var set = <int>{...initial, if (true) 3, 4, 5, 6};
|
|
|
|
expect(new List<int>.generate(7, (int i) => i), set.toList());
|
|
}
|
|
|
|
void foldInitialSpread6() {
|
|
List<int> initial = [0, 1, 2];
|
|
var list = <int>[...?initial, if (true) 3, 4, 5, 6];
|
|
|
|
expect(new List<int>.generate(7, (int i) => i), list);
|
|
|
|
var set = <int>{...?initial, if (true) 3, 4, 5, 6};
|
|
|
|
expect(new List<int>.generate(7, (int i) => i), set.toList());
|
|
}
|
|
|
|
main() {
|
|
foldInitialElements();
|
|
foldInitialSpread1();
|
|
foldInitialSpread2();
|
|
foldInitialSpread3();
|
|
foldInitialSpread4();
|
|
foldInitialSpread5();
|
|
foldInitialSpread6();
|
|
}
|
|
|
|
void expect(List list1, List list2) {
|
|
if (list1.length != list2.length) {
|
|
throw 'Unexpected length. Expected ${list1.length}, actual ${list2.length}.';
|
|
}
|
|
for (int i = 0; i < list1.length; i++) {
|
|
if (list1[i] != list2[i]) {
|
|
throw 'Unexpected element at index $i. '
|
|
'Expected ${list1[i]}, actual ${list2[i]}.';
|
|
}
|
|
}
|
|
}
|