From b8c569f9a346f7b1fbce2b108a74ae7eed8f0059 Mon Sep 17 00:00:00 2001
From: q-posev <posenitskiy@irsamc.ups-tlse.fr>
Date: Wed, 3 Mar 2021 13:19:47 +0100
Subject: [PATCH] add test to read/append non-existing files

---
 src/test.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/src/test.c b/src/test.c
index f8dcbba..c65e088 100644
--- a/src/test.c
+++ b/src/test.c
@@ -91,6 +91,7 @@ int test_h5read() {
   int64_t num;
   double* coord;
 
+  // test reading existing file [created by test_h5write()], should work
   file = trexio_open(file_name, 'r', TREXIO_HDF5);
   assert (file != NULL);
 
@@ -112,6 +113,23 @@ int test_h5read() {
   rc = trexio_close(file);
   assert (rc == TREXIO_SUCCESS);
 
+  // test reading non-existing file, should fail and return NULL
+  const char* file_name2 = "test_nonexisting.h5";
+  trexio_t* file2 = NULL;
+
+  file2 = trexio_open(file_name2, 'r', TREXIO_HDF5);
+  assert (file2 == NULL);
+
+  // test appending non-existing file, should create it
+  const char* file_name3 = "test_append.h5";
+  trexio_t* file3 = NULL;
+
+  file3 = trexio_open(file_name3, 'a', TREXIO_HDF5);
+  assert (file3 != NULL);
+
+  rc = trexio_close(file3);
+  assert (rc == TREXIO_SUCCESS);
+
   free(coord);
 
   return 0;