7f189483b4b3547d03a1ee9a47494074bba7cc10
angie
  Tue Mar 22 11:01:54 2011 -0700
Tweak to vcfParseTest: better handling of ranges with 0 items;include the range in output message.

diff --git src/lib/tests/vcfParseTest.c src/lib/tests/vcfParseTest.c
index 3c8af00..050e5a9 100644
--- src/lib/tests/vcfParseTest.c
+++ src/lib/tests/vcfParseTest.c
@@ -18,31 +18,34 @@
   "fileOrUrl.vcf.gz needs to have been compressed by tabix, and index file\n"
   "fileOrUrl.vcf.gz.tbi must exist.\n"
   );
 }
 
 static struct optionSpec options[] = {
    {NULL, 0},
 };
 
 void vcfParseTest(char *fileOrUrl, char *seqName, int start, int end)
 /* vcfParseTest - Parse VCF header and data lines in given position range.. */
 {
 struct vcfFile *vcff = vcfTabixFileMayOpen(fileOrUrl, seqName, start, end, 100, stderr);
 if (vcff == NULL)
     errAbort("Failed to parse \"%s\" and/or its index file \"%s.tbi\"", fileOrUrl, fileOrUrl);
-printf("Finished parsing \"%s\", got %d data rows\n", fileOrUrl, slCount(vcff->records));
+int recCount = slCount(vcff->records);
+printf("Finished parsing \"%s\" items in %s:%d-%d, got %d data rows\n",
+       fileOrUrl, seqName, start+1, end, recCount);
+if (recCount > 0)
 printf("First (up to) 100 rows in range:\n");
 int i = 0;
 struct vcfRecord *rec = vcff->records;
 while (rec != NULL && i < 100)
     {
     printf("%s\t%d\t%d\t%s:%s/%s\t%f\n",
 	   rec->chrom, rec->chromStart, rec->chromEnd,
 	   rec->name, rec->ref, rec->alt, rec->qual);
     rec = rec->next;
     i++;
     }
 vcfFileFree(&vcff);
 }
 
 int main(int argc, char *argv[])