+#include <stdio.h>
+#include <string.h>
+#include <pb_encode.h>
+#include "unittests.h"
+#include "enums.pb.h"
+
+int main()
+{
+ int status = 0;
+
+ uint8_t buf[256];
+ SignedMsg msg1;
+ UnsignedMsg msg2;
+ pb_ostream_t s;
+
+ {
+ COMMENT("Test negative value of signed enum");
+ /* Negative value should take up the maximum size */
+ msg1.value = SignedEnum_SE_MIN;
+ s = pb_ostream_from_buffer(buf, sizeof(buf));
+ TEST(pb_encode(&s, SignedMsg_fields, &msg1));
+ TEST(s.bytes_written == SignedMsg_size);
+
+ COMMENT("Test positive value of signed enum");
+ /* Positive value should be smaller */
+ msg1.value = SignedEnum_SE_MAX;
+ s = pb_ostream_from_buffer(buf, sizeof(buf));
+ TEST(pb_encode(&s, SignedMsg_fields, &msg1));
+ TEST(s.bytes_written < SignedMsg_size);
+ }
+
+ {
+ COMMENT("Test positive value of unsigned enum");
+ /* This should take up the maximum size */
+ msg2.value = UnsignedEnum_UE_MAX;
+ s = pb_ostream_from_buffer(buf, sizeof(buf));
+ TEST(pb_encode(&s, UnsignedMsg_fields, &msg2));
+ TEST(s.bytes_written == UnsignedMsg_size);
+ }
+
+ return status;
+}
+