Message offsets: Add test

tests/CMakeLists.txt

@@ -30,6 +30,7 @@ list(APPEND test_bins
     bufr_ecc-517
     bufr_get_element
     bufr_extract_headers
+    extract_offsets
     bufr_check_descriptors
     grib_sh_ieee64
     ieee
@@ -116,6 +117,7 @@ if( HAVE_BUILD_TOOLS )
         bufr_get_element
         bufr_wmo_tables
         bufr_extract_headers
+        extract_offsets
         bufr_ecc-673
         bufr_ecc-428
         bufr_ecc-286

tests/extract_offsets.c

@@ -0,0 +1,36 @@
+/*
+ * (C) Copyright 2005- ECMWF.
+ *
+ * This software is licensed under the terms of the Apache Licence Version 2.0
+ * which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
+ *
+ * In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
+ * virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
+ */
+
+#include "eccodes.h"
+#include <assert.h>
+
+
+int main(int argc, char* argv[])
+{
+    char *filename;
+    int err = 0;
+    int num_messages = 0, i =0;
+    off_t* offsets = NULL;
+    codes_context* c = codes_context_get_default();
+    const int strict_mode = 1;
+
+    /* Usage: prog file */
+    assert(argc == 2);
+
+    filename = argv[1];
+    err = codes_extract_offsets_malloc(c, filename, PRODUCT_ANY, &offsets, &num_messages, strict_mode);
+    if (err) return err;
+    
+    for (i = 0; i < num_messages; ++i) {
+        printf("%lu\n", offsets[i]);
+    }
+    free(offsets);
+    return 0;
+}

tests/extract_offsets.sh

@@ -0,0 +1,41 @@
+#!/bin/sh
+# (C) Copyright 2005- ECMWF.
+#
+# This software is licensed under the terms of the Apache Licence Version 2.0
+# which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
+# 
+# In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
+# virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
+#
+
+. ./include.sh
+
+# Define a common label for all the tmp files
+label="bufr_extract_offsets_test"
+temp1="temp.${label}.1"
+temp2="temp.${label}.2"
+
+echo "Multi-message BUFR..."
+# ---------------------------
+input=${data_dir}/bufr/aeolus_wmo_26.bufr
+$EXEC ${test_dir}/extract_offsets  $input > $temp1
+${tools_dir}/bufr_get -p offset:i  $input    > $temp2
+diff $temp1 $temp2
+
+echo "Multi-message GRIB..."
+# --------------------------
+input=${data_dir}/mixed.grib
+$EXEC ${test_dir}/extract_offsets  $input > $temp1
+${tools_dir}/grib_get -p offset:i  $input > $temp2
+diff $temp1 $temp2
+
+
+echo "Test with invalid inputs..."
+# ---------------------------------
+set +e
+$EXEC ${test_dir}/extract_offsets ${data_dir}
+status=$?
+set -e
+[ $status -ne 0 ]
+
+rm -f $temp1 $temp2