Bypass RfValidatorTest when no JDK is available.
Patch by: bobv
Review by: rchandia

Review at http://gwt-code-reviews.appspot.com/1465810


git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@10431 8db76d5a-ed1c-0410-87a9-c151d255dfc7

user/test/com/google/web/bindery/requestfactory/apt/RfValidatorTest.java

diff --git a/user/test/com/google/web/bindery/requestfactory/apt/RfValidatorTest.java b/user/test/com/google/web/bindery/requestfactory/apt/RfValidatorTest.java
index c57ae33..0417c0d 100644
--- a/user/test/com/google/web/bindery/requestfactory/apt/RfValidatorTest.java
+++ b/user/test/com/google/web/bindery/requestfactory/apt/RfValidatorTest.java
@@ -131,6 +131,10 @@
    */
   private void testGeneratedMessages(Class<?>... classes) {
     JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
+    if (compiler == null) {
+      // This test is being run without a full JDK
+      return;
+    }
 
     List<JavaFileObject> files = new ArrayList<JavaFileObject>(classes.length);
     for (Class<?> clazz : classes) {