Add corelib tests

test/codegen/corelib/collection_test.dart

Index: test/codegen/corelib/collection_test.dart
diff --git a/test/codegen/corelib/collection_test.dart b/test/codegen/corelib/collection_test.dart
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index 0000000000000000000000000000000000000000..680e20ab7268cb42862c6c961168a9776f246c39
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+++ b/test/codegen/corelib/collection_test.dart
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+// 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 collection_test;
+
+import "package:expect/expect.dart";
+import 'dart:collection' show Queue;
+
+class CollectionTest {
+  CollectionTest(Iterable iterable) {
+    testFold(iterable);
+  }
+
+  void testFold(Iterable iterable) {
+    Expect.equals(28, iterable.fold(0, (prev, element) => prev + element));
+    Expect.equals(3024, iterable.fold(1, (prev, element) => prev * element));
+  }
+}
+
+
+main() {
+  final TEST_ELEMENTS = const [4, 2, 6, 7, 9];
+  // Const list.
+  new CollectionTest(TEST_ELEMENTS);
+
+  // Fixed size list.
+  var fixedList = new List(TEST_ELEMENTS.length);
+  for (int i = 0; i < TEST_ELEMENTS.length; i++) {
+    fixedList[i] = TEST_ELEMENTS[i];
+  }
+  new CollectionTest(fixedList);
+
+  // Growable list.
+  new CollectionTest(new List.from(TEST_ELEMENTS));
+
+  // Set.
+  new CollectionTest(new Set.from(TEST_ELEMENTS));
+
+  // Queue.
+  new CollectionTest(new Queue.from(TEST_ELEMENTS));
+}