| Index: test/codegen/corelib/sort_helper.dart
|
| diff --git a/test/codegen/corelib/sort_helper.dart b/test/codegen/corelib/sort_helper.dart
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..23f45cf435dd1a6947560075582b6aa8fa799b11
|
| --- /dev/null
|
| +++ b/test/codegen/corelib/sort_helper.dart
|
| @@ -0,0 +1,152 @@
|
| +// 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.
|
| +
|
| +library sort_helper;
|
| +import "package:expect/expect.dart";
|
| +
|
| +class SortHelper {
|
| +
|
| + SortHelper(this.sortFunction, this.compareFunction) {}
|
| +
|
| + void run() {
|
| + testSortIntLists();
|
| + testSortDoubleLists();
|
| + }
|
| +
|
| + bool isSorted(List a) {
|
| + for (int i = 1; i < a.length; i++) {
|
| + if (compareFunction(a[i - 1], a[i]) > 0) {
|
| + return false;
|
| + }
|
| + }
|
| + return true;
|
| + }
|
| +
|
| + void testSortIntLists() {
|
| + List a = new List(40);
|
| +
|
| + for (int i = 0; i < a.length; i++) {
|
| + a[i] = i;
|
| + }
|
| + testSort(a);
|
| +
|
| + for (int i = 0; i < a.length; i++) {
|
| + a[a.length - i - 1] = i;
|
| + }
|
| + testSort(a);
|
| +
|
| + for (int i = 0; i < 21; i++) {
|
| + a[i] = 1;
|
| + }
|
| + for (int i = 21; i < a.length; i++) {
|
| + a[i] = 2;
|
| + }
|
| + testSort(a);
|
| +
|
| + // Same with bad pivot-choices.
|
| + for (int i = 0; i < 21; i++) {
|
| + a[i] = 1;
|
| + }
|
| + for (int i = 21; i < a.length; i++) {
|
| + a[i] = 2;
|
| + }
|
| + a[6] = 1;
|
| + a[13] = 1;
|
| + a[19] = 1;
|
| + a[25] = 1;
|
| + a[33] = 2;
|
| + testSort(a);
|
| +
|
| + for (int i = 0; i < 21; i++) {
|
| + a[i] = 2;
|
| + }
|
| + for (int i = 21; i < a.length; i++) {
|
| + a[i] = 1;
|
| + }
|
| + testSort(a);
|
| +
|
| + // Same with bad pivot-choices.
|
| + for (int i = 0; i < 21; i++) {
|
| + a[i] = 2;
|
| + }
|
| + for (int i = 21; i < a.length; i++) {
|
| + a[i] = 1;
|
| + }
|
| + a[6] = 2;
|
| + a[13] = 2;
|
| + a[19] = 2;
|
| + a[25] = 2;
|
| + a[33] = 1;
|
| + testSort(a);
|
| +
|
| + var a2 = new List(0);
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| + testSort(a2);
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| +
|
| + var a3 = new List(1);
|
| + a3[0] = 1;
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| + testSort(a3);
|
| +
|
| + // --------
|
| + // Test insertion sort.
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| + testInsertionSort(0, 1, 2, 3);
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| + testInsertionSort(0, 1, 3, 2);
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| + testInsertionSort(0, 3, 2, 1);
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| + testInsertionSort(0, 3, 1, 2);
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| + testInsertionSort(0, 2, 1, 3);
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| + testInsertionSort(0, 2, 3, 1);
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| + testInsertionSort(1, 0, 2, 3);
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| + testInsertionSort(1, 0, 3, 2);
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| + testInsertionSort(1, 2, 3, 0);
|
| + testInsertionSort(1, 2, 0, 3);
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| + testInsertionSort(1, 3, 2, 0);
|
| + testInsertionSort(1, 3, 0, 2);
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| + testInsertionSort(2, 0, 1, 3);
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| + testInsertionSort(2, 0, 3, 1);
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| + testInsertionSort(2, 1, 3, 0);
|
| + testInsertionSort(2, 1, 0, 3);
|
| + testInsertionSort(2, 3, 1, 0);
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| + testInsertionSort(2, 3, 0, 1);
|
| + testInsertionSort(3, 0, 1, 2);
|
| + testInsertionSort(3, 0, 2, 1);
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| + testInsertionSort(3, 1, 2, 0);
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| + testInsertionSort(3, 1, 0, 2);
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| + testInsertionSort(3, 2, 1, 0);
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| + testInsertionSort(3, 2, 0, 1);
|
| + }
|
| +
|
| + void testSort(List a) {
|
| + sortFunction(a);
|
| + Expect.isTrue(isSorted(a));
|
| + }
|
| +
|
| + void testInsertionSort(int i1, int i2, int i3, int i4) {
|
| + var a = new List(4);
|
| + a[0] = i1;
|
| + a[1] = i2;
|
| + a[2] = i3;
|
| + a[3] = i4;
|
| + testSort(a);
|
| + }
|
| +
|
| + void testSortDoubleLists() {
|
| + List a = new List(40);
|
| + for (int i = 0; i < a.length; i++) {
|
| + a[i] = 1.0 * i + 0.5;
|
| + }
|
| + testSort(a);
|
| +
|
| + for (int i = 0; i < a.length; i++) {
|
| + a[i] = 1.0 * (a.length - i) + 0.5;
|
| + }
|
| + testSort(a);
|
| +
|
| + for (int i = 0; i < a.length; i++) {
|
| + a[i] = 1.5;
|
| + }
|
| + testSort(a);
|
| + }
|
| +
|
| + Function sortFunction;
|
| + Function compareFunction;
|
| +}
|
|
|