Report MAP_VALUE_TYPE_NOT_ASSIGNABLE warning/error.

editor/tools/plugins/com.google.dart.engine_test/src/com/google/dart/engine/resolver/StaticWarningCodeTest.java

Index: editor/tools/plugins/com.google.dart.engine_test/src/com/google/dart/engine/resolver/StaticWarningCodeTest.java
diff --git a/editor/tools/plugins/com.google.dart.engine_test/src/com/google/dart/engine/resolver/StaticWarningCodeTest.java b/editor/tools/plugins/com.google.dart.engine_test/src/com/google/dart/engine/resolver/StaticWarningCodeTest.java
index c2b58071ea75d6745021748e5e460d44e69d7259..d1d3dae4c5137d8e5ba4f429150459031a9a5fad 100644
--- a/editor/tools/plugins/com.google.dart.engine_test/src/com/google/dart/engine/resolver/StaticWarningCodeTest.java
+++ b/editor/tools/plugins/com.google.dart.engine_test/src/com/google/dart/engine/resolver/StaticWarningCodeTest.java
@@ -1205,6 +1205,22 @@ public class StaticWarningCodeTest extends ResolverTestCase {
     verify(source);
   }
 
+  public void test_mapKeyTypeNotAssignable() throws Exception {
+    Source source = addSource(createSource(//
+    "var v = <String, int > {1 : 2};"));
+    resolve(source);
+    assertErrors(StaticWarningCode.MAP_KEY_TYPE_NOT_ASSIGNABLE);
+    verify(source);
+  }
+
+  public void test_mapValueTypeNotAssignable() throws Exception {
+    Source source = addSource(createSource(//
+    "var v = <String, String> {'a' : 2};"));
+    resolve(source);
+    assertErrors(StaticWarningCode.MAP_VALUE_TYPE_NOT_ASSIGNABLE);
+    verify(source);
+  }
+
   public void test_mismatchedAccessorTypes_class() throws Exception {
     Source source = addSource(createSource(//
         "class A {",