Add corelib tests

test/codegen/corelib/growable_list_test.dart

Index: test/codegen/corelib/growable_list_test.dart
diff --git a/test/codegen/corelib/growable_list_test.dart b/test/codegen/corelib/growable_list_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..4b125bf3d20cdac8052dfbc6dfcbc95f5183a1ce
--- /dev/null
+++ b/test/codegen/corelib/growable_list_test.dart
@@ -0,0 +1,182 @@
+// 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.
+
+// Sanity check on the growing behavior of a growable list.
+
+import "package:expect/expect.dart";
+
+void main() {
+  testConstructor();
+
+  bool checked = false;
+  assert((checked = true));
+  // Concurrent modification checks are only guaranteed in checked mode.
+  if (checked) testConcurrentModification();
+}
+
+// Iterable generating numbers in range [0..count).
+// May perform callback at some point underways.
+class TestIterableBase extends Iterable<int> {
+  final int length;
+  final int count;
+  // call [callback] if generating callbackIndex.
+  final int callbackIndex;
+  final Function callback;
+  TestIterableBase(this.length, this.count,
+                   this.callbackIndex, this.callback);
+  Iterator<int> get iterator => new CallbackIterator(this);
+}
+
+class TestIterable extends TestIterableBase {
+  TestIterable(count, [callbackIndex = -1, callback])
+      : super(-1, count, callbackIndex, callback);
+  int get length => throw "SHOULD NOT BE CALLED";
+}
+
+// Implement Set for private EfficientLength interface.
+class EfficientTestIterable extends TestIterableBase
+                            implements Set<int> {
+  EfficientTestIterable(length, count, [callbackIndex = -1, callback])
+      : super(length, count, callbackIndex, callback);
+  // Avoid warnings because we don't actually implement Set.
+  noSuchMethod(i) => super.noSuchMethod(i);
+}
+
+class CallbackIterator implements Iterator<int> {
+  TestIterableBase _iterable;
+  int _current = null;
+  int _nextIndex = 0;
+  CallbackIterator(this._iterable);
+  bool moveNext() {
+    if (_nextIndex >= _iterable.count) {
+      _current = null;
+      return false;
+    }
+    _current = _nextIndex;
+    _nextIndex++;
+    if (_current == _iterable.callbackIndex) {
+      _iterable.callback();
+    }
+    return true;
+  }
+  int get current => _current;
+}
+
+void testConstructor() {
+  // Constructor can make both growable and fixed-length lists.
+  testGrowable(list) {
+    Expect.isTrue(list is List<int>);
+    Expect.isFalse(list is List<String>);
+    int length = list.length;
+    list.add(42);
+    Expect.equals(list.length, length + 1);
+  }
+
+  testFixedLength(list) {
+    Expect.isTrue(list is List<int>);
+    int length = list.length;
+    Expect.throws(() { list.add(42); }, null, "adding to fixed-length list");
+    Expect.equals(length, list.length);
+  }
+
+  bool checked = false;
+  assert((checked = true));
+  testThrowsOrTypeError(fn, test, [name]) {
+    Expect.throws(fn, checked ? null : test,
+                      checked ? name : "$name w/ TypeError");
+  }
+  testFixedLength(new List<int>(0));
+  testFixedLength(new List<int>(5));
+  testFixedLength(new List<int>.filled(5, null));  // default growable: false.
+  testGrowable(new List<int>());
+  testGrowable(new List<int>()..length = 5);
+  testGrowable(new List<int>.filled(5, null, growable: true));
+  Expect.throws(() => new List<int>(-1), (e) => e is ArgumentError, "-1");
+  // There must be limits. Fix this test if we ever allow 10^30 elements.
+  Expect.throws(() => new List<int>(0x1000000000000000000000000000000),
+                (e) => e is ArgumentError, "bignum");
+  Expect.throws(() => new List<int>(null), (e) => e is ArgumentError, "null");
+  testThrowsOrTypeError(() => new List([] as Object),  // Cast to avoid warning.
+                        (e) => e is ArgumentError, 'list');
+  testThrowsOrTypeError(() => new List([42] as Object),
+                        (e) => e is ArgumentError, "list2");
+}
+
+void testConcurrentModification() {
+  // Without EfficientLength interface
+  {
+    // Change length of list after 200 additions.
+    var l = [];
+    var ci = new TestIterable(257, 200, () {
+      l.add("X");
+    });
+    Expect.throws(() {
+      l.addAll(ci);
+    }, (e) => e is ConcurrentModificationError, "cm1");
+  }
+
+  {
+    // Change length of list after 200 additions.
+    var l = [];
+    var ci = new TestIterable(257, 200, () {
+      l.length = 0;
+    });
+    Expect.throws(() {
+      l.addAll(ci);
+    }, (e) => e is ConcurrentModificationError, "cm2");
+  }
+
+  // With EfficientLength interface (uses length).
+  {
+    // Change length of list after 20 additions.
+    var l = [];
+    var ci = new EfficientTestIterable(257, 257, 20, () {
+      l.add("X");
+    });
+    Expect.throws(() {
+      l.addAll(ci);
+    }, (e) => e is ConcurrentModificationError, "cm3");
+  }
+
+  {
+    var l = [];
+    var ci = new EfficientTestIterable(257, 257, 20, () {
+      l.length = 0;
+    });
+    Expect.throws(() {
+      l.addAll(ci);
+    }, (e) => e is ConcurrentModificationError, "cm4");
+  }
+
+  {
+    // Length 500, only 250 elements.
+    var l = [];
+    var ci = new EfficientTestIterable(500, 250);
+    l.addAll(ci);
+    Expect.listEquals(new List.generate(250, (x)=>x), l, "cm5");
+  }
+
+  {
+    // Length 250, but 500 elements.
+    var l = [];
+    var ci = new EfficientTestIterable(250, 500);
+    l.addAll(ci);
+    Expect.listEquals(new List.generate(500, (x)=>x), l, "cm6");
+  }
+
+  {
+    // Adding to yourself.
+    var l = [1];
+    Expect.throws(() { l.addAll(l); },
+                  (e) => e is ConcurrentModificationError, "cm7");
+  }
+
+  {
+    // Adding to yourself.
+    var l = [1, 2, 3];
+    Expect.throws(() { l.addAll(l); },
+                  (e) => e is ConcurrentModificationError, "cm8");
+  }
+}
+