iposva@google.com
50fc824be9
- Update tests still referring to it. R=regis@google.com Review URL: https://codereview.chromium.org//17977002 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@24539 260f80e4-7a28-3924-810f-c04153c831b5
77 lines
2.4 KiB
Dart
77 lines
2.4 KiB
Dart
// Copyright (c) 2012, 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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import "package:expect/expect.dart";
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class IC {
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int count = 0;
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String toString() => "${count++}";
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}
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testJoin(String expect, Iterable iterable, [String separator]) {
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if (separator != null) {
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Expect.equals(expect, iterable.join(separator));
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} else {
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Expect.equals(expect, iterable.join());
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}
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}
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testCollections() {
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testJoin("", [], ",");
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testJoin("", [], "");
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testJoin("", []);
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testJoin("", new Set(), ",");
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testJoin("", new Set(), "");
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testJoin("", new Set());
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testJoin("42", [42], ",");
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testJoin("42", [42], "");
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testJoin("42", [42]);
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testJoin("42", new Set()..add(42), ",");
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testJoin("42", new Set()..add(42), "");
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testJoin("42", new Set()..add(42));
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testJoin("a,b,c,d", ["a", "b", "c", "d"], ",");
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testJoin("abcd", ["a", "b", "c", "d"], "");
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testJoin("abcd", ["a", "b", "c", "d"]);
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testJoin("null,b,c,d", [null,"b","c","d"], ",");
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testJoin("1,2,3,4", [1, 2, 3, 4], ",");
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var ic = new IC();
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testJoin("0,1,2,3", [ic, ic, ic, ic], ",");
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var set = new Set()..add(1)..add(2)..add(3);
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var perm = new Set()..add("123")..add("132")..add("213")
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..add("231")..add("312")..add("321");
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var setString = set.join();
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Expect.isTrue(perm.contains(setString), "set: $setString");
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void testArray(array) {
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testJoin("1,3,5,7,9", array.where((i) => i.isOdd), ",");
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testJoin("0,2,4,6,8,10,12,14,16,18", array.map((i) => i * 2), ",");
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testJoin("5,6,7,8,9", array.skip(5), ",");
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testJoin("5,6,7,8,9", array.skipWhile((i) => i < 5), ",");
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testJoin("0,1,2,3,4", array.take(5), ",");
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testJoin("0,1,2,3,4", array.takeWhile((i) => i < 5), ",");
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}
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testArray([0, 1, 2, 3, 4, 5, 6, 7, 8, 9]);
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var fixedArray = new List(10);
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for (int i = 0; i < 10; i++) {
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fixedArray[i] = i;
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}
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testArray(fixedArray);
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testArray(const [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]);
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testJoin("a,b,c,d", ["a", "b", "c", "d"].map((x) => x), ",");
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testJoin("abcd", ["a", "b", "c", "d"].map((x) => x), "");
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testJoin("abcd", ["a", "b", "c", "d"].map((x) => x));
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testJoin("null,b,c,d", [null,"b","c","d"].map((x) => x), ",");
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testJoin("1,2,3,4", [1, 2, 3, 4].map((x) => x), ",");
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testJoin("4,5,6,7", [ic, ic, ic, ic].map((x) => x), ",");
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}
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main() {
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testCollections();
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// TODO(lrn): test scalar lists.
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}
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