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Unified Diff: tests/corelib_strong/list_test.dart

Issue 2992833002: Migrated test block 15 to Dart 2.0. (Closed)
Patch Set: Created 3 years, 5 months ago
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Index: tests/corelib_strong/list_test.dart
diff --git a/tests/corelib_strong/list_test.dart b/tests/corelib_strong/list_test.dart
deleted file mode 100644
index 0323c1de89dafea2cfaaed3e26a917b21e4e4433..0000000000000000000000000000000000000000
--- a/tests/corelib_strong/list_test.dart
+++ /dev/null
@@ -1,633 +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 "dart:collection";
-import "dart:typed_data";
-import "package:expect/expect.dart";
-
-void main() {
- // Typed lists - fixed length and can only contain integers.
- testTypedList(new Uint8List(4));
- testTypedList(new Int8List(4));
- testTypedList(new Uint16List(4));
- testTypedList(new Int16List(4));
- testTypedList(new Uint32List(4));
- testTypedList(new Int32List(4));
- testTypedList(new Uint8List(4).toList(growable: false));
- testTypedList(new Int8List(4).toList(growable: false));
- testTypedList(new Uint16List(4).toList(growable: false));
- testTypedList(new Int16List(4).toList(growable: false));
- testTypedList(new Uint32List(4).toList(growable: false));
- testTypedList(new Int32List(4).toList(growable: false));
-
- // Fixed length lists, length 4.
- testFixedLengthList(new List(4));
- testFixedLengthList(new List(4).toList(growable: false));
- testFixedLengthList((new List()..length = 4).toList(growable: false));
- // ListBase implementation of List.
- testFixedLengthList(new MyFixedList(new List(4)));
- testFixedLengthList(new MyFixedList(new List(4)).toList(growable: false));
-
- // Growable lists. Initial length 0.
- testGrowableList(new List());
- testGrowableList(new List().toList());
- testGrowableList(new List(0).toList());
- testGrowableList(new List.filled(0, null, growable: true));
- testGrowableList([]);
- testGrowableList((const []).toList());
- testGrowableList(new MyList([]));
- testGrowableList(new MyList([]).toList());
-
- testTypedGrowableList(new Uint8List(0).toList());
- testTypedGrowableList(new Int8List(0).toList());
- testTypedGrowableList(new Uint16List(0).toList());
- testTypedGrowableList(new Int16List(0).toList());
- testTypedGrowableList(new Uint32List(0).toList());
- testTypedGrowableList(new Int32List(0).toList());
-
- testListConstructor();
-
- testErrors();
-}
-
-void testErrors() {
- // Regression for issue http://dartbug.com/24295
- testIndexError(list, index, name) {
- try {
- list[list.length];
- } catch (err, s) {
- Expect.isTrue(err is RangeError, "$name[$index]");
- Expect.equals(list.length, err.invalidValue, "$name[$index] value");
- Expect.equals(list.length - 1, err.end, "$name[$index] end");
- Expect.equals(0, err.start, "$name[$index] start");
- }
- }
-
- testIndex(list, name) {
- testIndexError(list, list.length, name); // Just too big.
- testIndexError(list, -1, name); // Negative.
- testIndexError(list, 0x123456789, name); // > 2^32.
- testIndexError(list, -0x123456789, name); // < -2^32.
- }
-
- // Slices.
- testSliceError(list, start, end, name) {
- name = "$name[$start:$end]";
- var realError;
- try {
- RangeError.checkValidRange(start, end, list.length);
- } catch (e) {
- realError = e;
- }
- var result;
- try {
- result = list.sublist(start, end);
- } catch (actualError) {
- Expect.isNotNull(realError, "$name should not fail");
- Expect.isTrue(actualError is RangeError, "$name is-error: $actualError");
- Expect.equals(realError.name, actualError.name, "$name name");
- Expect.equals(realError.invalidValue, actualError.invalidValue,
- "$name[0:l+1] value");
- Expect.equals(realError.start, actualError.start, "$name[0:l+1] start");
- Expect.equals(realError.end, actualError.end, "$name[0:l+1] end");
- return;
- }
- // Didn't throw.
- Expect.isNull(realError, "$name should fail");
- Expect.equals(end - start, result.length, "$name result length");
- }
-
- testSlice(list, name) {
- testSliceError(list, 0, list.length, name); // Should not fail.
- testSliceError(list, 0, list.length + 1, name);
- testSliceError(list, 0, 0x123456789, name);
- testSliceError(list, -1, list.length, name);
- testSliceError(list, -0x123456789, list.length, name);
- testSliceError(list, list.length + 1, list.length + 1, name);
- testSliceError(list, -1, null, name);
- if (list.length > 0) {
- testSliceError(list, list.length, list.length - 1, name);
- }
- }
-
- testRangeErrors(list, name) {
- testIndex(list, "$name#${list.length} index");
- testSlice(list, "$name#${list.length} slice");
- }
-
- // Empty lists.
- testRangeErrors([], "list");
- testRangeErrors(new List(0), "fixed-list");
- testRangeErrors(const [], "const-list");
- testRangeErrors(new List.unmodifiable([]), "unmodifiable");
- testRangeErrors(new Uint8List(0), "typed-list");
- testRangeErrors(new Uint8List.view(new Uint8List(0).buffer), "typed-list");
- testRangeErrors([1, 2, 3].sublist(1, 1), "sub-list");
- // Non-empty lists.
- testRangeErrors([1, 2, 3], "list");
- testRangeErrors(new List(3), "fixed-list");
- testRangeErrors(const [1, 2, 3], "const-list");
- testRangeErrors(new List.unmodifiable([1, 2, 3]), "unmodifiable");
- testRangeErrors(new Uint8List(3), "typed-list");
- testRangeErrors(new Uint8List.view(new Uint8List(3).buffer), "typed-list");
- testRangeErrors([1, 2, 3, 4, 5].sublist(1, 3), "sub-list");
-}
-
-void testLength(int length, List list) {
- Expect.equals(length, list.length);
- (length == 0 ? Expect.isTrue : Expect.isFalse)(list.isEmpty);
- (length != 0 ? Expect.isTrue : Expect.isFalse)(list.isNotEmpty);
-}
-
-void testTypedLengthInvariantOperations(List list) {
- // length
- Expect.equals(list.length, 4);
- // operators [], []=.
- for (int i = 0; i < 4; i++) list[i] = 0;
- list[0] = 4;
- Expect.listEquals([4, 0, 0, 0], list);
- list[1] = 7;
- Expect.listEquals([4, 7, 0, 0], list);
- list[3] = 2;
- Expect.listEquals([4, 7, 0, 2], list);
-
- for (int i = 0; i < list.length; i++) {
- list[i] = i;
- }
-
- // indexOf, lastIndexOf
- for (int i = 0; i < 4; i++) {
- Expect.equals(i, list[i]);
- Expect.equals(i, list.indexOf(i));
- Expect.equals(i, list.lastIndexOf(i));
- }
-
- // setRange.
- list.setRange(0, 4, [3, 2, 1, 0]);
- Expect.listEquals([3, 2, 1, 0], list);
-
- list.setRange(1, 4, list);
- Expect.listEquals([3, 3, 2, 1], list);
-
- list.setRange(0, 3, list, 1);
- Expect.listEquals([3, 2, 1, 1], list);
- list.setRange(0, 3, list, 1);
- Expect.listEquals([2, 1, 1, 1], list);
-
- list.setRange(2, 4, list, 0);
- Expect.listEquals([2, 1, 2, 1], list);
-
- // setAll.
- list.setAll(0, [3, 2, 0, 1]);
- Expect.listEquals([3, 2, 0, 1], list);
- list.setAll(1, [0, 1]);
- Expect.listEquals([3, 0, 1, 1], list);
-
- // fillRange.
- list.fillRange(1, 3, 7);
- Expect.listEquals([3, 7, 7, 1], list);
- list.fillRange(0, 0, 9);
- Expect.listEquals([3, 7, 7, 1], list);
- list.fillRange(4, 4, 9);
- Expect.listEquals([3, 7, 7, 1], list);
- list.fillRange(0, 4, 9);
- Expect.listEquals([9, 9, 9, 9], list);
-
- // sort.
- list.setRange(0, 4, [3, 2, 1, 0]);
- list.sort();
- Expect.listEquals([0, 1, 2, 3], list);
- list.setRange(0, 4, [1, 2, 3, 0]);
- list.sort();
- Expect.listEquals([0, 1, 2, 3], list);
- list.setRange(0, 4, [1, 3, 0, 2]);
- list.sort((a, b) => b - a); // reverse compare.
- Expect.listEquals([3, 2, 1, 0], list);
- list.setRange(0, 4, [1, 2, 3, 0]);
- list.sort((a, b) => b - a);
- Expect.listEquals([3, 2, 1, 0], list);
-
- // Some Iterable methods.
-
- list.setRange(0, 4, [0, 1, 2, 3]);
- // map.
- testMap(val) {
- return val * 2 + 10;
- }
-
- List mapped = list.map(testMap).toList();
- Expect.equals(mapped.length, list.length);
- for (var i = 0; i < list.length; i++) {
- Expect.equals(mapped[i], list[i] * 2 + 10);
- }
-
- matchAll(val) => true;
- matchSome(val) {
- return (val == 1 || val == 2);
- }
-
- matchSomeFirst(val) {
- return val == 0;
- }
-
- matchSomeLast(val) {
- return val == 3;
- }
-
- matchNone(val) => false;
-
- // where.
- Iterable filtered = list.where(matchSome);
- Expect.equals(filtered.length, 2);
-
- // every
- Expect.isTrue(list.every(matchAll));
- Expect.isFalse(list.every(matchSome));
- Expect.isFalse(list.every(matchNone));
-
- // any
- Expect.isTrue(list.any(matchAll));
- Expect.isTrue(list.any(matchSome));
- Expect.isTrue(list.any(matchSomeFirst));
- Expect.isTrue(list.any(matchSomeLast));
- Expect.isFalse(list.any(matchNone));
-
- // Argument checking isn't implemented for typed arrays in browsers,
- // so it's moved to the method below for now.
-}
-
-void testLengthInvariantOperations(List list) {
- testTypedLengthInvariantOperations(list);
- // Tests that need untyped lists.
- list.setAll(0, [0, 1, 2, 3]);
- Expect.equals(-1, list.indexOf(100));
- Expect.equals(-1, list.lastIndexOf(100));
- list[2] = new Yes();
- Expect.equals(2, list.indexOf(100));
- Expect.equals(2, list.lastIndexOf(100));
- list[3] = new Yes();
- Expect.equals(2, list.indexOf(100));
- Expect.equals(3, list.lastIndexOf(100));
- list[2] = 2;
- Expect.equals(3, list.indexOf(100));
- Expect.equals(3, list.lastIndexOf(100));
- list[3] = 3;
- Expect.equals(-1, list.indexOf(100));
- Expect.equals(-1, list.lastIndexOf(100));
-
- // Argument errors on bad indices. List is still [0, 1, 2, 3].
- testArgumentError(action()) {
- Expect.throws(action, (e) => e is ArgumentError);
- }
-
- // Direct indices (0 <= index < length).
- testArgumentError(() => list[-1]);
- testArgumentError(() => list[4]);
- testArgumentError(() => list[-1] = 99);
- testArgumentError(() => list[4] = 99);
- testArgumentError(() => list.elementAt(-1));
- testArgumentError(() => list.elementAt(4));
- // Ranges (0 <= start <= end <= length).
- testArgumentError(() => list.sublist(-1, 2));
- testArgumentError(() => list.sublist(-1, 5));
- testArgumentError(() => list.sublist(2, 5));
- testArgumentError(() => list.sublist(4, 2));
- testArgumentError(() => list.getRange(-1, 2));
- testArgumentError(() => list.getRange(-1, 5));
- testArgumentError(() => list.getRange(2, 5));
- testArgumentError(() => list.getRange(4, 2));
- testArgumentError(() => list.setRange(-1, 2, [1, 2, 3]));
- testArgumentError(() => list.setRange(-1, 5, [1, 2, 3, 4, 5, 6]));
- testArgumentError(() => list.setRange(2, 5, [1, 2, 3]));
- testArgumentError(() => list.setRange(4, 2, [1, 2]));
- // for setAll, end is implicitly start + values.length.
- testArgumentError(() => list.setAll(-1, []));
- testArgumentError(() => list.setAll(5, []));
- testArgumentError(() => list.setAll(2, [1, 2, 3]));
- testArgumentError(() => list.fillRange(-1, 2));
- testArgumentError(() => list.fillRange(-1, 5));
- testArgumentError(() => list.fillRange(2, 5));
- testArgumentError(() => list.fillRange(4, 2));
-}
-
-void testTypedList(List list) {
- testTypedLengthInvariantOperations(list);
- testCannotChangeLength(list);
-}
-
-void testFixedLengthList(List list) {
- testLengthInvariantOperations(list);
- testCannotChangeLength(list);
-}
-
-void testCannotChangeLength(List list) {
- isUnsupported(action()) {
- Expect.throws(action, (e) => e is UnsupportedError);
- }
-
- isUnsupported(() => list.add(0));
- isUnsupported(() => list.addAll([0]));
- isUnsupported(() => list.removeLast());
- isUnsupported(() => list.insert(0, 1));
- isUnsupported(() => list.insertAll(0, [1]));
- isUnsupported(() => list.clear());
- isUnsupported(() => list.remove(1));
- isUnsupported(() => list.removeAt(1));
- isUnsupported(() => list.removeRange(0, 1));
- isUnsupported(() => list.replaceRange(0, 1, []));
-}
-
-void testTypedGrowableList(List list) {
- testLength(0, list);
- // set length.
- list.length = 4;
- testLength(4, list);
-
- testTypedLengthInvariantOperations(list);
-
- testGrowableListOperations(list);
-}
-
-void testGrowableList(List list) {
- testLength(0, list);
- // set length.
- list.length = 4;
- testLength(4, list);
-
- testLengthInvariantOperations(list);
-
- testGrowableListOperations(list);
-}
-
-void testGrowableListOperations(List list) {
- // add, removeLast.
- list.clear();
- testLength(0, list);
- list.add(4);
- testLength(1, list);
- Expect.equals(4, list.removeLast());
- testLength(0, list);
-
- for (int i = 0; i < 100; i++) {
- list.add(i);
- }
-
- Expect.equals(list.length, 100);
- for (int i = 0; i < 100; i++) {
- Expect.equals(i, list[i]);
- }
-
- Expect.equals(17, list.indexOf(17));
- Expect.equals(17, list.lastIndexOf(17));
- Expect.equals(-1, list.indexOf(999));
- Expect.equals(-1, list.lastIndexOf(999));
-
- Expect.equals(99, list.removeLast());
- testLength(99, list);
-
- // remove.
- Expect.isTrue(list.remove(4));
- testLength(98, list);
- Expect.isFalse(list.remove(4));
- testLength(98, list);
- list.clear();
- testLength(0, list);
-
- list.add(4);
- list.add(4);
- testLength(2, list);
- Expect.isTrue(list.remove(4));
- testLength(1, list);
- Expect.isTrue(list.remove(4));
- testLength(0, list);
- Expect.isFalse(list.remove(4));
- testLength(0, list);
-
- // removeWhere, retainWhere
- for (int i = 0; i < 100; i++) {
- list.add(i);
- }
- testLength(100, list);
- list.removeWhere((int x) => x.isOdd);
- testLength(50, list);
- for (int i = 0; i < list.length; i++) {
- Expect.isTrue(list[i].isEven);
- }
- list.retainWhere((int x) => (x % 3) == 0);
- testLength(17, list);
- for (int i = 0; i < list.length; i++) {
- Expect.isTrue((list[i] % 6) == 0);
- }
-
- // insert, remove, removeAt
- list.clear();
- testLength(0, list);
-
- list.insert(0, 0);
- Expect.listEquals([0], list);
-
- list.insert(0, 1);
- Expect.listEquals([1, 0], list);
-
- list.insert(0, 2);
- Expect.listEquals([2, 1, 0], list);
-
- Expect.isTrue(list.remove(1));
- Expect.listEquals([2, 0], list);
-
- list.insert(1, 1);
- Expect.listEquals([2, 1, 0], list);
-
- list.removeAt(1);
- Expect.listEquals([2, 0], list);
-
- list.removeAt(1);
- Expect.listEquals([2], list);
-
- // insertAll
- list.insertAll(0, [1, 2, 3]);
- Expect.listEquals([1, 2, 3, 2], list);
-
- list.insertAll(2, []);
- Expect.listEquals([1, 2, 3, 2], list);
-
- list.insertAll(4, [7, 9]);
- Expect.listEquals([1, 2, 3, 2, 7, 9], list);
-
- // addAll
- list.addAll(list.reversed.toList());
- Expect.listEquals([1, 2, 3, 2, 7, 9, 9, 7, 2, 3, 2, 1], list);
-
- list.addAll([]);
- Expect.listEquals([1, 2, 3, 2, 7, 9, 9, 7, 2, 3, 2, 1], list);
-
- // replaceRange
- list.replaceRange(3, 7, [0, 0]);
- Expect.listEquals([1, 2, 3, 0, 0, 7, 2, 3, 2, 1], list);
-
- list.replaceRange(2, 3, [5, 5, 5]);
- Expect.listEquals([1, 2, 5, 5, 5, 0, 0, 7, 2, 3, 2, 1], list);
-
- list.replaceRange(2, 4, [6, 6]);
- Expect.listEquals([1, 2, 6, 6, 5, 0, 0, 7, 2, 3, 2, 1], list);
-
- list.replaceRange(6, 8, []);
- Expect.listEquals([1, 2, 6, 6, 5, 0, 2, 3, 2, 1], list);
-
- // Operations that change the length cause ConcurrentModificationError.
- void testConcurrentModification(action()) {
- testIterator(int when) {
- list.length = 4;
- list.setAll(0, [0, 1, 2, 3]);
- Expect.throws(() {
- for (var element in list) {
- if (element == when) action();
- }
- }, (e) => e is ConcurrentModificationError);
- }
-
- testForEach(int when) {
- list.length = 4;
- list.setAll(0, [0, 1, 2, 3]);
- Expect.throws(() {
- list.forEach((var element) {
- if (element == when) action();
- });
- }, (e) => e is ConcurrentModificationError);
- }
-
- // Test the change at different points of the iteration.
- testIterator(0);
- testIterator(1);
- testIterator(3);
- testForEach(0);
- testForEach(1);
- testForEach(3);
- }
-
- testConcurrentModification(() => list.add(5));
- testConcurrentModification(() => list.addAll([5, 6]));
- testConcurrentModification(() => list.removeLast());
- for (int i = 0; i < 4; i++) {
- testConcurrentModification(() => list.remove(i));
- testConcurrentModification(() => list.removeAt(i));
- testConcurrentModification(() => list.removeWhere((x) => x == i));
- testConcurrentModification(() => list.retainWhere((x) => x != i));
- testConcurrentModification(() => list.insert(i, 5));
- testConcurrentModification(() => list.insertAll(i, [5, 6]));
- testConcurrentModification(() => list.removeRange(i, i + 1));
- testConcurrentModification(() => list.replaceRange(i, i + 1, [5, 6]));
- }
-
- // Any operation that doesn't change the length should be safe for iteration.
- testSafeConcurrentModification(action()) {
- list.length = 4;
- list.setAll(0, [0, 1, 2, 3]);
- for (var i in list) {
- action();
- }
- list.forEach((e) => action());
- }
-
- testSafeConcurrentModification(() {
- list.add(5);
- list.removeLast();
- });
- testSafeConcurrentModification(() {
- list.add(list[0]);
- list.removeAt(0);
- });
- testSafeConcurrentModification(() {
- list.insert(0, list.removeLast());
- });
- testSafeConcurrentModification(() {
- list.replaceRange(1, 3, list.sublist(1, 3).reversed);
- });
-
- // Argument errors on bad indices for methods that are only allowed
- // on growable lists.
- list.length = 4;
- list.setAll(0, [0, 1, 2, 3]);
- testArgumentError(action()) {
- Expect.throws(action, (e) => e is ArgumentError);
- }
-
- // Direct indices (0 <= index < length).
- testArgumentError(() => list.removeAt(-1));
- testArgumentError(() => list.removeAt(4));
- // Direct indices including end (0 <= index <= length).
- testArgumentError(() => list.insert(-1, 0));
- testArgumentError(() => list.insert(5, 0));
- testArgumentError(() => list.insertAll(-1, [0]));
- testArgumentError(() => list.insertAll(5, [0]));
- testArgumentError(() => list.insertAll(-1, [0]));
- testArgumentError(() => list.insertAll(5, [0]));
- // Ranges (0 <= start <= end <= length).
- testArgumentError(() => list.removeRange(-1, 2));
- testArgumentError(() => list.removeRange(2, 5));
- testArgumentError(() => list.removeRange(-1, 5));
- testArgumentError(() => list.removeRange(4, 2));
- testArgumentError(() => list.replaceRange(-1, 2, [9]));
- testArgumentError(() => list.replaceRange(2, 5, [9]));
- testArgumentError(() => list.replaceRange(-1, 5, [9]));
- testArgumentError(() => list.replaceRange(4, 2, [9]));
-}
-
-class Yes {
- operator ==(var other) => true;
- int get hashCode => 0;
-}
-
-class MyList<E> extends ListBase<E> {
- List<E> _source;
- MyList(this._source);
- int get length => _source.length;
- void set length(int length) {
- _source.length = length;
- }
-
- E operator [](int index) => _source[index];
- void operator []=(int index, E value) {
- _source[index] = value;
- }
-}
-
-class MyFixedList<E> extends ListBase<E> {
- List<E> _source;
- MyFixedList(this._source);
- int get length => _source.length;
- void set length(int length) {
- throw new UnsupportedError("Fixed length!");
- }
-
- E operator [](int index) => _source[index];
- void operator []=(int index, E value) {
- _source[index] = value;
- }
-}
-
-void testListConstructor() {
- // Is fixed-length.
- Expect.throws(() {
- new List(0).add(4);
- });
- Expect.throws(() { new List(-2); }); // Not negative. //# 01: ok
- // Not null.
- Expect.throws(() {
- new List(null);
- });
- Expect.listEquals([4], new List()..add(4));
- // Is fixed-length.
- Expect.throws(() {
- new List.filled(0, 42).add(4);
- });
- // Not negative.
- Expect.throws(() {
- new List.filled(-2, 42);
- });
- // Not null.
- Expect.throws(() {
- new List.filled(null, 42);
- });
-}

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