Add a few missing unit tests

tests/common/unittestproto.proto

@@ -34,3 +34,8 @@ message CallbackContainer {
 message CallbackContainerContainer {
     required CallbackContainer submsg = 1;
 }
+
+message StringPointerContainer {
+    repeated string rep_str = 1 [(nanopb).type = FT_POINTER];
+}
+

tests/decode_unittests/decode_unittests.c

@@ -87,6 +87,20 @@ int main()
               pb_decode_varint(&s, (uint64_t*)&i) && i == -1));
         TEST((s = S("\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\x01"),
               pb_decode_varint(&s, &u) && u == UINT64_MAX));
+        TEST((s = S("\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\x01"),
+              !pb_decode_varint(&s, &u)));
+    }
+    
+    {
+        pb_istream_t s;
+        uint32_t u;
+        
+        COMMENT("Test pb_decode_varint32");
+        TEST((s = S("\x00"), pb_decode_varint32(&s, &u) && u == 0));
+        TEST((s = S("\x01"), pb_decode_varint32(&s, &u) && u == 1));
+        TEST((s = S("\xAC\x02"), pb_decode_varint32(&s, &u) && u == 300));
+        TEST((s = S("\xFF\xFF\xFF\xFF\x0F"), pb_decode_varint32(&s, &u) && u == UINT32_MAX));
+        TEST((s = S("\xFF\xFF\xFF\xFF\xFF\x01"), !pb_decode_varint32(&s, &u)));
     }
     
     {

tests/encode_unittests/encode_unittests.c

@@ -331,6 +331,23 @@ int main()
         TEST(s.bytes_written == StringMessage_size);
     }
     
+    {
+        uint8_t buffer[128];
+        pb_ostream_t s;
+        StringPointerContainer msg = StringPointerContainer_init_zero;
+        char *strs[1] = {NULL};
+        char zstr[] = "Z";
+        
+        COMMENT("Test string pointer encoding.");
+        
+        msg.rep_str = strs;
+        msg.rep_str_count = 1;
+        TEST(WRITES(pb_encode(&s, StringPointerContainer_fields, &msg), "\x0a\x00"))
+        
+        strs[0] = zstr;
+        TEST(WRITES(pb_encode(&s, StringPointerContainer_fields, &msg), "\x0a\x01Z"))
+    }
+    
     if (status != 0)
         fprintf(stdout, "\n\nSome tests FAILED!\n");