# HG changeset patch
# User ctornqvi
# Date 1392234002 -3600
# Node ID 0d10bb7339a943c7e7598aba4f0f137c0c20e93b
# Parent  e4e51dc2dca5afaa255cac796b1de46a6396db0f
8034781: [TESTBUG] runtime/ClassFileUnsupportedClassFileVersion.java unable to find or load main class
Summary: Passed empty string to ProcessBuilder which caused problems on Linux, fixed by checking string length
Reviewed-by: lfoltan, sla, mseledtsov

diff -r e4e51dc2dca5 -r 0d10bb7339a9 test/testlibrary/com/oracle/java/testlibrary/ProcessTools.java
--- a/test/testlibrary/com/oracle/java/testlibrary/ProcessTools.java	Wed Feb 12 12:09:22 2014 -0800
+++ b/test/testlibrary/com/oracle/java/testlibrary/ProcessTools.java	Wed Feb 12 20:40:02 2014 +0100
@@ -154,7 +154,7 @@
 
     if (addTestVmOptions) {
       String vmopts = System.getProperty("test.vm.opts");
-      if (vmopts != null) {
+      if (vmopts != null && vmopts.length() > 0) {
         Collections.addAll(args, vmopts.split("\\s"));
       }
     }