Add corelib tests

test/codegen/corelib/list_test.dart

Index: test/codegen/corelib/list_test.dart
diff --git a/test/codegen/corelib/list_test.dart b/test/codegen/corelib/list_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..a72a189dde51aabb9261ee4c47a14c6916d32d1a
--- /dev/null
+++ b/test/codegen/corelib/list_test.dart
@@ -0,0 +1,591 @@
+// 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 implictly 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() {
+  Expect.throws(() { new List(0).add(4); });  // Is fixed-length.
+  Expect.throws(() { new List(-2); });  // Not negative. /// 01: ok
+  Expect.throws(() { new List(null); });  // Not null.
+  Expect.listEquals([4], new List()..add(4));
+  Expect.throws(() { new List.filled(0, 42).add(4); });  // Is fixed-length.
+  Expect.throws(() { new List.filled(-2, 42); });  // Not negative.
+  Expect.throws(() { new List.filled(null, 42); });  // Not null.
+}