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Unified Diff: tests/corelib/list_map_test.dart

Issue 2991363002: Migrated test block 14 to Dart 2.0. (Closed)
Patch Set: Migrated test block 14 to Dart 2.0. Created 3 years, 4 months ago
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Index: tests/corelib/list_map_test.dart
diff --git a/tests/corelib/list_map_test.dart b/tests/corelib/list_map_test.dart
deleted file mode 100644
index c56b25493bd1bf1fe2c633b64f9a4813d6e34a16..0000000000000000000000000000000000000000
--- a/tests/corelib/list_map_test.dart
+++ /dev/null
@@ -1,164 +0,0 @@
-// Copyright (c) 2012, 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 "package:expect/expect.dart";
-
-main() {
- testOperations();
-}
-
-class ThrowMarker {
- const ThrowMarker();
- String toString() => "<<THROWS>>";
-}
-
-void testOperations() {
- // Comparison lists.
- List l = const [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
- List r = const [10, 9, 8, 7, 6, 5, 4, 3, 2, 1];
- // Function that reverses l and r lists when used to map.
- int rev(x) => 11 - x;
- // A base list that starts out like l, but isn't const.
- List base = l.map((x) => x).toList();
-
- Iterable reversed = l.map(rev);
-
- Expect.listEquals(r, l.map(rev).toList());
- Expect.listEquals(l, l.map(rev).map(rev).toList());
- for (int i = 0; i < r.length; i++) {
- Expect.equals(r[i], reversed.elementAt(i));
- }
- Expect.equals(4, base.indexOf(5));
- Expect.equals(5, reversed.toList().indexOf(5));
-
- // Reversed followed by combinations of skip and take.
- List subr = [8, 7, 6, 5, 4, 3];
- Expect.listEquals(subr, reversed.skip(2).take(6).toList());
- Expect.listEquals(subr, reversed.take(8).skip(2).toList());
- Expect.listEquals(subr,
- reversed.toList().reversed.skip(2).take(6).toList().reversed.toList());
- Expect.listEquals(subr,
- reversed.toList().reversed.take(8).skip(2).toList().reversed.toList());
- Expect.listEquals(subr,
- reversed.take(8).toList().reversed.take(6).toList().reversed.toList());
- Expect.listEquals(subr,
- reversed.toList().reversed.take(8).toList().reversed.take(6).toList());
- Expect.listEquals(subr,
- reversed.toList().reversed.skip(2).toList().reversed.skip(2).toList());
- Expect.listEquals(subr,
- reversed.skip(2).toList().reversed.skip(2).toList().reversed.toList());
-
- void testList(List list) {
- var throws = const ThrowMarker();
- List mappedList = new List(list.length);
- for (int i = 0; i < list.length; i++) {
- mappedList[i] = rev(list[i]);
- }
- Iterable reversed = list.map(rev);
-
- void testEquals(v1, v2, path) {
- if (v1 is Iterable) {
- Iterator i1 = v1.iterator;
- Iterator i2 = v2.iterator;
- int index = 0;
- while (i1.moveNext()) {
- Expect.isTrue(i2.moveNext(),
- "Too few actual values. Expected[$index] == ${i1.current}");
- testEquals(i1.current, i2.current, "$path[$index]");
- index++;
- }
- if (i2.moveNext()) {
- Expect
- .fail("Too many actual values. Actual[$index] == ${i2.current}");
- }
- } else {
- Expect.equals(v1, v2, path);
- }
- }
-
- void testOp(operation(Iterable mappedList), name) {
- var expect;
- try {
- expect = operation(mappedList);
- } catch (e) {
- expect = throws;
- }
- var actual;
- try {
- actual = operation(reversed);
- } catch (e) {
- actual = throws;
- }
- testEquals(expect, actual, "$name: $list");
- }
-
- testOp((i) => i.first, "first");
- testOp((i) => i.last, "last");
- testOp((i) => i.single, "single");
- testOp((i) => i.firstWhere((n) => false), "firstWhere<false");
- testOp((i) => i.firstWhere((n) => n < 10), "firstWhere<10");
- testOp((i) => i.firstWhere((n) => n < 5), "firstWhere<5");
- testOp((i) => i.firstWhere((n) => true), "firstWhere<true");
- testOp((i) => i.lastWhere((n) => false), "lastWhere<false");
- testOp((i) => i.lastWhere((n) => n < 5), "lastWhere<5");
- testOp((i) => i.lastWhere((n) => n < 10), "lastWhere<10");
- testOp((i) => i.lastWhere((n) => true), "lastWhere<true");
- testOp((i) => i.singleWhere((n) => false), "singleWhere<false");
- testOp((i) => i.singleWhere((n) => n < 5), "singelWhere<5");
- testOp((i) => i.singleWhere((n) => n < 10), "singelWhere<10");
- testOp((i) => i.singleWhere((n) => true), "singleWhere<true");
- testOp((i) => i.contains(5), "contains(5)");
- testOp((i) => i.contains(10), "contains(10)");
- testOp((i) => i.any((n) => n < 5), "any<5");
- testOp((i) => i.any((n) => n < 10), "any<10");
- testOp((i) => i.every((n) => n < 5), "every<5");
- testOp((i) => i.every((n) => n < 10), "every<10");
- testOp((i) => i.reduce((a, b) => a + b), "reduce-sum");
- testOp((i) => i.fold(0, (a, b) => a + b), "fold-sum");
- testOp((i) => i.join("-"), "join-");
- testOp((i) => i.join(""), "join");
- testOp((i) => i.join(), "join-null");
- testOp((i) => i.map((n) => n * 2), "map*2");
- testOp((i) => i.where((n) => n < 5), "where<5");
- testOp((i) => i.where((n) => n < 10), "where<10");
- testOp((i) => i.expand((n) => []), "expand[]");
- testOp((i) => i.expand((n) => [n]), "expand[n]");
- testOp((i) => i.expand((n) => [n, n]), "expand[n, n]");
- testOp((i) => i.take(0), "take(0)");
- testOp((i) => i.take(5), "take(5)");
- testOp((i) => i.take(10), "take(10)");
- testOp((i) => i.take(15), "take(15)");
- testOp((i) => i.skip(0), "skip(0)");
- testOp((i) => i.skip(5), "skip(5)");
- testOp((i) => i.skip(10), "skip(10)");
- testOp((i) => i.skip(15), "skip(15)");
- testOp((i) => i.takeWhile((n) => false), "takeWhile(t)");
- testOp((i) => i.takeWhile((n) => n < 5), "takeWhile(n<5)");
- testOp((i) => i.takeWhile((n) => n > 5), "takeWhile(n>5)");
- testOp((i) => i.takeWhile((n) => true), "takeWhile(f)");
- testOp((i) => i.skipWhile((n) => false), "skipWhile(t)");
- testOp((i) => i.skipWhile((n) => n < 5), "skipWhile(n<5)");
- testOp((i) => i.skipWhile((n) => n > 5), "skipWhile(n>5)");
- testOp((i) => i.skipWhile((n) => true), "skipWhile(f)");
- }
-
- // Combinations of lists with 0, 1 and more elements.
- testList([]);
- testList([0]);
- testList([10]);
- testList([0, 1]);
- testList([0, 10]);
- testList([10, 11]);
- testList([0, 5, 10]);
- testList([10, 5, 0]);
- testList([0, 1, 2, 3]);
- testList([3, 4, 5, 6]);
- testList([10, 11, 12, 13]);
- testList(l);
- testList(r);
- testList(base);
-
- // Reverse const list.
- Expect.listEquals(r, l.map(rev).toList());
-}

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