Index: test/codegen/corelib/map_keys_test.dart |
diff --git a/test/codegen/corelib/map_keys_test.dart b/test/codegen/corelib/map_keys_test.dart |
new file mode 100644 |
index 0000000000000000000000000000000000000000..5e0233613dba13645a00583a774d9ba690472f89 |
--- /dev/null |
+++ b/test/codegen/corelib/map_keys_test.dart |
@@ -0,0 +1,47 @@ |
+// 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 "package:expect/expect.dart"; |
+ |
+main() { |
+ var map1 = { "foo": 42, "bar": 499 }; |
+ var map2 = {}; |
+ var map3 = const { "foo": 42, "bar": 499 }; |
+ var map4 = const {}; |
+ var map5 = new Map<String, int>(); |
+ map5["foo"] = 43; |
+ map5["bar"] = 500; |
+ var map6 = new Map<String, bool>(); |
+ |
+ Expect.isTrue(map1.keys is Iterable); |
+ Expect.isFalse(map1.keys is List); |
+ Expect.equals(2, map1.keys.length); |
+ Expect.equals("foo", map1.keys.first); |
+ Expect.equals("bar", map1.keys.last); |
+ |
+ Expect.isTrue(map2.keys is Iterable); |
+ Expect.isFalse(map2.keys is List); |
+ Expect.equals(0, map2.keys.length); |
+ |
+ Expect.isTrue(map3.keys is Iterable); |
+ Expect.isFalse(map3.keys is List); |
+ Expect.equals(2, map3.keys.length); |
+ Expect.equals("foo", map3.keys.first); |
+ Expect.equals("bar", map3.keys.last); |
+ |
+ Expect.isTrue(map4.keys is Iterable); |
+ Expect.isFalse(map4.keys is List); |
+ Expect.equals(0, map4.keys.length); |
+ |
+ Expect.isTrue(map5.keys is Iterable); |
+ Expect.isFalse(map5.keys is List); |
+ Expect.equals(2, map5.keys.length); |
+ Expect.isTrue(map5.keys.first == "foo" || map5.keys.first == "bar"); |
+ Expect.isTrue(map5.keys.last == "foo" || map5.keys.last == "bar"); |
+ Expect.notEquals(map5.keys.first, map5.keys.last); |
+ |
+ Expect.isTrue(map6.keys is Iterable); |
+ Expect.isFalse(map6.keys is List); |
+ Expect.equals(0, map6.keys.length); |
+} |