Add corelib tests

test/codegen/corelib/linked_hash_map_test.dart

+// 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.
+
+// Dart test for linked hash-maps.
+library linkedHashMap.test;
+import "package:expect/expect.dart";
+import 'dart:collection' show LinkedHashMap;
+
+class LinkedHashMapTest {
+  static void testMain() {
+    Map map = new LinkedHashMap();
+    map["a"] = 1;
+    map["b"] = 2;
+    map["c"] = 3;
+    map["d"] = 4;
+    map["e"] = 5;
+
+    List<String> keys = new List<String>(5);
+    List<int> values = new List<int>(5);
+
+    int index;
+
+    clear() {
+      index = 0;
+      for (int i = 0; i < keys.length; i++) {
+        keys[i] = null;
+        values[i] = null;
+      }
+    }
+
+    verifyKeys(List<String> correctKeys) {
+      for (int i = 0; i < correctKeys.length; i++) {
+        Expect.equals(correctKeys[i], keys[i]);
+      }
+    }
+
+    verifyValues(List<int> correctValues) {
+      for (int i = 0; i < correctValues.length; i++) {
+        Expect.equals(correctValues[i], values[i]);
+      }
+    }
+
+    testForEachMap(Object key, Object value) {
+      Expect.equals(map[key], value);
+      keys[index] = key;
+      values[index] = value;
+      index++;
+    }
+
+    testForEachValue(Object v) {
+      values[index++] = v;
+    }
+
+    testForEachKey(Object v) {
+      keys[index++] = v;
+    }
+
+    final keysInOrder = const ["a", "b", "c", "d", "e"];
+    final valuesInOrder = const [1, 2, 3, 4, 5];
+
+    clear();
+    map.forEach(testForEachMap);
+    verifyKeys(keysInOrder);
+    verifyValues(valuesInOrder);
+
+    clear();
+    map.keys.forEach(testForEachKey);
+    verifyKeys(keysInOrder);
+
+    clear();
+    map.values.forEach(testForEachValue);
+    verifyValues(valuesInOrder);
+
+    // Remove and then insert.
+    map.remove("b");
+    map["b"] = 6;
+    final keysAfterBMove = const ["a", "c", "d", "e", "b"];
+    final valuesAfterBMove = const [1, 3, 4, 5, 6];
+
+
+    clear();
+    map.forEach(testForEachMap);
+    verifyKeys(keysAfterBMove);
+    verifyValues(valuesAfterBMove);
+
+    clear();
+    map.keys.forEach(testForEachKey);
+    verifyKeys(keysAfterBMove);
+
+    clear();
+    map.values.forEach(testForEachValue);
+    verifyValues(valuesAfterBMove);
+
+    // Update.
+    map["a"] = 0;
+    final valuesAfterAUpdate = const [0, 3, 4, 5, 6];
+
+    clear();
+    map.forEach(testForEachMap);
+    verifyKeys(keysAfterBMove);
+    verifyValues(valuesAfterAUpdate);
+
+    clear();
+    map.keys.forEach(testForEachKey);
+    verifyKeys(keysAfterBMove);
+
+    clear();
+    map.values.forEach(testForEachValue);
+    verifyValues(valuesAfterAUpdate);
+  }
+}
+
+main() {
+  LinkedHashMapTest.testMain();
+}