Merge pull request #123 in G/truffle from ~MICHAEL.VAN.DE.VANTER_ORAC…

…LE.COM/truffle:bug/empty-source-section to master

Including test that now passes.

* commit 'f827720a2922962c3e869b17b9438a6324cf62a1':
  SourceSection:  include a test that now passes

truffle/com.oracle.truffle.api.test/src/com/oracle/truffle/api/source/SourceSectionTest.java

@@ -39,6 +39,7 @@ public class SourceSectionTest {
 
     private final Source longSource = Source.newBuilder("01234\n67\n9\n").name("long").mimeType("content/unknown").build();
 
+    @Test
     public void emptySourceTest0() {
         SourceSection section = emptySource.createSection("test", 0, 0);
         assertNotNull(section);