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-rw-r--r--libs/nanopb/tests/oneof/decode_oneof.c131
1 files changed, 131 insertions, 0 deletions
diff --git a/libs/nanopb/tests/oneof/decode_oneof.c b/libs/nanopb/tests/oneof/decode_oneof.c
new file mode 100644
index 0000000..37075cd
--- /dev/null
+++ b/libs/nanopb/tests/oneof/decode_oneof.c
@@ -0,0 +1,131 @@
+/* Decode a message using oneof fields */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <pb_decode.h>
+#include "oneof.pb.h"
+#include "test_helpers.h"
+#include "unittests.h"
+
+/* Test the 'OneOfMessage' */
+int test_oneof_1(pb_istream_t *stream, int option)
+{
+ OneOfMessage msg;
+ int status = 0;
+
+ /* To better catch initialization errors */
+ memset(&msg, 0xAA, sizeof(msg));
+
+ if (!pb_decode(stream, OneOfMessage_fields, &msg))
+ {
+ printf("Decoding failed: %s\n", PB_GET_ERROR(stream));
+ return 1;
+ }
+
+ /* Check that the basic fields work normally */
+ TEST(msg.prefix == 123);
+ TEST(msg.suffix == 321);
+
+ /* Check that we got the right oneof according to command line */
+ if (option == 1)
+ {
+ TEST(msg.which_values == OneOfMessage_first_tag);
+ TEST(msg.values.first == 999);
+ }
+ else if (option == 2)
+ {
+ TEST(msg.which_values == OneOfMessage_second_tag);
+ TEST(strcmp(msg.values.second, "abcd") == 0);
+ }
+ else if (option == 3)
+ {
+ TEST(msg.which_values == OneOfMessage_third_tag);
+ TEST(msg.values.third.array[0] == 1);
+ TEST(msg.values.third.array[1] == 2);
+ TEST(msg.values.third.array[2] == 3);
+ TEST(msg.values.third.array[3] == 4);
+ TEST(msg.values.third.array[4] == 5);
+ }
+
+ return status;
+}
+
+
+/* Test the 'PlainOneOfMessage' */
+int test_oneof_2(pb_istream_t *stream, int option)
+{
+ PlainOneOfMessage msg = PlainOneOfMessage_init_zero;
+ int status = 0;
+
+ if (!pb_decode(stream, PlainOneOfMessage_fields, &msg))
+ {
+ printf("Decoding failed: %s\n", PB_GET_ERROR(stream));
+ return 1;
+ }
+
+ /* Check that we got the right oneof according to command line */
+ if (option == 1)
+ {
+ TEST(msg.which_values == OneOfMessage_first_tag);
+ TEST(msg.values.first == 999);
+ }
+ else if (option == 2)
+ {
+ TEST(msg.which_values == OneOfMessage_second_tag);
+ TEST(strcmp(msg.values.second, "abcd") == 0);
+ }
+ else if (option == 3)
+ {
+ TEST(msg.which_values == OneOfMessage_third_tag);
+ TEST(msg.values.third.array[0] == 1);
+ TEST(msg.values.third.array[1] == 2);
+ TEST(msg.values.third.array[2] == 3);
+ TEST(msg.values.third.array[3] == 4);
+ TEST(msg.values.third.array[4] == 5);
+ }
+
+ return status;
+}
+
+int main(int argc, char **argv)
+{
+ uint8_t buffer[OneOfMessage_size];
+ size_t count;
+ int option;
+
+ if (argc != 2)
+ {
+ fprintf(stderr, "Usage: decode_oneof [number]\n");
+ return 1;
+ }
+ option = atoi(argv[1]);
+
+ SET_BINARY_MODE(stdin);
+ count = fread(buffer, 1, sizeof(buffer), stdin);
+
+ if (!feof(stdin))
+ {
+ printf("Message does not fit in buffer\n");
+ return 1;
+ }
+
+ {
+ int status = 0;
+ pb_istream_t stream;
+
+ stream = pb_istream_from_buffer(buffer, count);
+ status = test_oneof_1(&stream, option);
+
+ if (status != 0)
+ return status;
+
+ stream = pb_istream_from_buffer(buffer, count);
+ status = test_oneof_2(&stream, option);
+
+ if (status != 0)
+ return status;
+ }
+
+ return 0;
+}