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-rw-r--r--libs/nanopb/tests/missing_fields/missing_fields.c53
1 files changed, 53 insertions, 0 deletions
diff --git a/libs/nanopb/tests/missing_fields/missing_fields.c b/libs/nanopb/tests/missing_fields/missing_fields.c
new file mode 100644
index 00000000..8aded827
--- /dev/null
+++ b/libs/nanopb/tests/missing_fields/missing_fields.c
@@ -0,0 +1,53 @@
+/* Checks that missing required fields are detected properly */
+
+#include <stdio.h>
+#include <pb_encode.h>
+#include <pb_decode.h>
+#include "missing_fields.pb.h"
+
+int main()
+{
+ uint8_t buffer[512];
+ size_t size;
+
+ /* Create a message with one missing field */
+ {
+ MissingField msg = {0};
+ pb_ostream_t stream = pb_ostream_from_buffer(buffer, sizeof(buffer));
+
+ if (!pb_encode(&stream, MissingField_fields, &msg))
+ {
+ printf("Encode failed.\n");
+ return 1;
+ }
+
+ size = stream.bytes_written;
+ }
+
+ /* Test that it decodes properly if we don't require that field */
+ {
+ MissingField msg = {0};
+ pb_istream_t stream = pb_istream_from_buffer(buffer, size);
+
+ if (!pb_decode(&stream, MissingField_fields, &msg))
+ {
+ printf("Decode failed: %s\n", PB_GET_ERROR(&stream));
+ return 2;
+ }
+ }
+
+ /* Test that it does *not* decode properly if we require the field */
+ {
+ AllFields msg = {0};
+ pb_istream_t stream = pb_istream_from_buffer(buffer, size);
+
+ if (pb_decode(&stream, AllFields_fields, &msg))
+ {
+ printf("Decode didn't detect missing field.\n");
+ return 3;
+ }
+ }
+
+ return 0; /* All ok */
+}
+