--- jsr166/src/test/tck/JSR166TestCase.java	2015/07/03 05:48:30	1.135
+++ jsr166/src/test/tck/JSR166TestCase.java	2015/09/04 18:16:28	1.136
@@ -281,7 +281,14 @@ public class JSR166TestCase extends Test
     public static boolean atLeastJava6() { return JAVA_CLASS_VERSION >= 50.0; }
     public static boolean atLeastJava7() { return JAVA_CLASS_VERSION >= 51.0; }
     public static boolean atLeastJava8() { return JAVA_CLASS_VERSION >= 52.0; }
-    public static boolean atLeastJava9() { return JAVA_CLASS_VERSION >= 53.0; }
+    public static boolean atLeastJava9() {
+        // As of 2015-09, java9 still uses 52.0 class file version
+        return JAVA_SPECIFICATION_VERSION.matches("^(1\\.)?(9|[0-9][0-9])$");
+    }
+    // public static boolean atLeastJava9() { return JAVA_CLASS_VERSION >= 53.0; }
+    public static boolean atLeastJava10() {
+        return JAVA_SPECIFICATION_VERSION.matches("^(1\\.)?[0-9][0-9]$");
+    }
 
     /**
      * Collects all JSR166 unit tests as one suite.