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Unified Diff: tests/corelib/set_iterator_test.dart

Issue 2987773002: Migrated test block 25 to Dart 2.0. (Closed)
Patch Set: Removed changes to migrate_batch.dart Created 3 years, 5 months ago
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Index: tests/corelib/set_iterator_test.dart
diff --git a/tests/corelib/set_iterator_test.dart b/tests/corelib/set_iterator_test.dart
deleted file mode 100644
index 26d0deec908cdb94862c3e2fd4026034dcfa2004..0000000000000000000000000000000000000000
--- a/tests/corelib/set_iterator_test.dart
+++ /dev/null
@@ -1,146 +0,0 @@
-// Copyright (c) 2011, 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";
-
-class FixedHashCode {
- final int _hashCode;
- const FixedHashCode(this._hashCode);
- int get hashCode {
- return _hashCode;
- }
-}
-
-class SetIteratorTest {
- static testMain() {
- testSmallSet();
- testLargeSet();
- testEmptySet();
- testSetWithDeletedEntries();
- testBug5116829();
- testDifferentSizes();
- testDifferentHashCodes();
- }
-
- static int sum(int expected, Iterator<int> it) {
- int count = 0;
- while (it.moveNext()) {
- count += it.current;
- }
- Expect.equals(expected, count);
- }
-
- static void testSmallSet() {
- Set<int> set = new Set<int>();
- set.add(1);
- set.add(2);
- set.add(3);
-
- Iterator<int> it = set.iterator;
- sum(6, it);
- Expect.isFalse(it.moveNext());
- Expect.isNull(it.current);
- }
-
- static void testLargeSet() {
- Set<int> set = new Set<int>();
- int count = 0;
- for (int i = 0; i < 100; i++) {
- count += i;
- set.add(i);
- }
- Iterator<int> it = set.iterator;
- sum(count, it);
- Expect.isFalse(it.moveNext());
- Expect.isNull(it.current);
- }
-
- static void testEmptySet() {
- Set<int> set = new Set<int>();
- Iterator<int> it = set.iterator;
- sum(0, it);
- Expect.isFalse(it.moveNext());
- Expect.isNull(it.current);
- }
-
- static void testSetWithDeletedEntries() {
- Set<int> set = new Set<int>();
- for (int i = 0; i < 100; i++) {
- set.add(i);
- }
- for (int i = 0; i < 100; i++) {
- set.remove(i);
- }
- Iterator<int> it = set.iterator;
- Expect.isFalse(it.moveNext());
- it = set.iterator;
- sum(0, it);
- Expect.isFalse(it.moveNext());
- Expect.isNull(it.current);
-
- int count = 0;
- for (int i = 0; i < 100; i++) {
- set.add(i);
- if (i % 2 == 0)
- set.remove(i);
- else
- count += i;
- }
- it = set.iterator;
- sum(count, it);
- Expect.isFalse(it.moveNext());
- Expect.isNull(it.current);
- }
-
- static void testBug5116829() {
- // During iteration we skipped slot 0 of the hashset's key list. "A" was
- // hashed to slot 0 and therefore triggered the bug.
- Set<String> mystrs = new Set<String>();
- mystrs.add("A");
- int seen = 0;
- for (String elt in mystrs) {
- seen++;
- Expect.equals("A", elt);
- }
- Expect.equals(1, seen);
- }
-
- static void testDifferentSizes() {
- for (int i = 1; i < 20; i++) {
- Set set = new Set();
- int sum = 0;
- for (int j = 0; j < i; j++) {
- set.add(j);
- sum += j;
- }
- int count = 0;
- int controlSum = 0;
- for (int x in set) {
- controlSum += x;
- count++;
- }
- Expect.equals(i, count);
- Expect.equals(sum, controlSum);
- }
- }
-
- static void testDifferentHashCodes() {
- for (int i = -20; i < 20; i++) {
- Set set = new Set();
- var element = new FixedHashCode(i);
- set.add(element);
- Expect.equals(1, set.length);
- bool foundIt = false;
- for (var x in set) {
- foundIt = true;
- Expect.equals(true, identical(x, element));
- }
- Expect.equals(true, foundIt);
- }
- }
-}
-
-main() {
- SetIteratorTest.testMain();
-}
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