(Re)add test for libsz.

tests/Makefile.am

 AUTOMAKE_OPTIONS = color-tests
 AM_CPPFLAGS = -I$(top_srcdir)/src
-TESTS = check_code_options check_buffer_sizes check_long_fs sampledata.sh
+TESTS = check_code_options check_buffer_sizes check_long_fs \
+szcomp.sh sampledata.sh
+TEST_EXTENSIONS = .sh
 check_LTLIBRARIES = libcheck_aec.la
 libcheck_aec_la_SOURCES = check_aec.c check_aec.h
-check_PROGRAMS = check_code_options check_buffer_sizes check_long_fs
+check_PROGRAMS = check_code_options check_buffer_sizes check_long_fs \
+check_szcomp
+
 check_code_options_SOURCES = check_code_options.c check_aec.h \
 $(top_builddir)/src/libaec.h
 
@@ -13,8 +17,13 @@ $(top_builddir)/src/libaec.h
 check_long_fs_SOURCES = check_long_fs.c check_aec.h \
 $(top_builddir)/src/libaec.h
 
+check_szcomp_SOURCES = check_szcomp.c $(top_builddir)/src/szlib.h
+
 LDADD = libcheck_aec.la $(top_builddir)/src/libaec.la
-EXTRA_DIST = sampledata.sh benc.sh bdec.sh CMakeLists.txt
+check_szcomp_LDADD = $(top_builddir)/src/libsz.la
+
+EXTRA_DIST = sampledata.sh szcomp.sh benc.sh bdec.sh CMakeLists.txt
+szcomp.log: sampledata.log
 bench: benc bdec
 benc:
 	$(srcdir)/benc.sh

tests/check_szcomp.c

 #include <stdio.h>
-#include <unistd.h>
 #include <stdlib.h>
 #include <string.h>
 #include "szlib.h"
 
-#define OPTIONS_MASK        (SZ_RAW_OPTION_MASK     \
-                             | SZ_MSB_OPTION_MASK   \
-                             | SZ_NN_OPTION_MASK)
-#define PIXELS_PER_BLOCK    (8)
+#define OPTIONS_MASK (SZ_RAW_OPTION_MASK \
+                      | SZ_MSB_OPTION_MASK \
+                      | SZ_NN_OPTION_MASK)
+#define PIXELS_PER_BLOCK (8)
 #define PIXELS_PER_SCANLINE (PIXELS_PER_BLOCK*128)
 
 int main(int argc, char *argv[])
@@ -18,18 +17,25 @@ int main(int argc, char *argv[])
     size_t destLen, dest1Len, sourceLen;
     FILE *fp;
 
-    if (argc < 3)
-    {
-        fprintf(stderr, "Usage: %s buffer_size file\n", argv[0]);
+    if (argc < 2) {
+        fprintf(stderr, "Usage: %s file\n", argv[0]);
         return 1;
     }
+
+    if ((fp = fopen(argv[1], "rb")) == NULL) {
+        fprintf(stderr, "Can't open %s\n", argv[1]);
+        return 1;
+    }
+    fseek(fp, 0L, SEEK_END);
+    sourceLen = ftell(fp);
+    fseek(fp, 0L, SEEK_SET);
+    destLen = sourceLen + sourceLen / 10;
+
     sz_param.options_mask = OPTIONS_MASK;
     sz_param.bits_per_pixel = 64;
     sz_param.pixels_per_block = PIXELS_PER_BLOCK;
     sz_param.pixels_per_scanline = PIXELS_PER_SCANLINE;
 
-    sourceLen = destLen = atoi(argv[1]);
-
     source = (unsigned char *)malloc(sourceLen);
     dest = (unsigned char *)malloc(destLen);
     dest1 = (unsigned char *)malloc(destLen);
@@ -37,12 +43,6 @@ int main(int argc, char *argv[])
     if (source == NULL || dest == NULL || dest1 == NULL)
         return 1;
 
-    if ((fp = fopen(argv[2], "r")) == NULL)
-    {
-        fprintf(stderr, "Can't open %s\n", argv[2]);
-        exit(-1);
-    }
-
     sourceLen = fread(source, 1, sourceLen, fp);
 
     status = SZ_BufftoBuffCompress(dest, &destLen,

tests/szcomp.sh

+#!/bin/sh
+set -e
+testfile=121B2TestData/ExtendedParameters/sar32bit.dat
+if [ ! -f $testfile ]; then
+    echo "ERROR: sample data not found."
+    exit -1
+fi
+./check_szcomp $testfile