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-rw-r--r--CAN-binder/libs/nanopb/tests/regression/issue_249/SConscript12
-rw-r--r--CAN-binder/libs/nanopb/tests/regression/issue_249/test.c59
-rw-r--r--CAN-binder/libs/nanopb/tests/regression/issue_249/test.proto10
3 files changed, 81 insertions, 0 deletions
diff --git a/CAN-binder/libs/nanopb/tests/regression/issue_249/SConscript b/CAN-binder/libs/nanopb/tests/regression/issue_249/SConscript
new file mode 100644
index 00000000..ba667129
--- /dev/null
+++ b/CAN-binder/libs/nanopb/tests/regression/issue_249/SConscript
@@ -0,0 +1,12 @@
+# Regression test for Issue 249: proto3 mode pb_decode() corrupts callback fields
+Import('env')
+
+env.NanopbProto('test')
+
+p = env.Program(["test.c",
+ "test.pb.c",
+ "$COMMON/pb_decode.o",
+ "$COMMON/pb_encode.o",
+ "$COMMON/pb_common.o"])
+env.RunTest(p)
+
diff --git a/CAN-binder/libs/nanopb/tests/regression/issue_249/test.c b/CAN-binder/libs/nanopb/tests/regression/issue_249/test.c
new file mode 100644
index 00000000..a37180fd
--- /dev/null
+++ b/CAN-binder/libs/nanopb/tests/regression/issue_249/test.c
@@ -0,0 +1,59 @@
+#include "test.pb.h"
+#include <unittests.h>
+#include <pb_encode.h>
+#include <pb_decode.h>
+
+static bool write_array(pb_ostream_t *stream, const pb_field_t *field, void * const *arg)
+{
+ int i;
+ for (i = 0; i < 5; i++)
+ {
+ if (!pb_encode_tag_for_field(stream, field))
+ return false;
+ if (!pb_encode_varint(stream, 1000 + i))
+ return false;
+ }
+
+ return true;
+}
+
+static bool read_array(pb_istream_t *stream, const pb_field_t *field, void **arg)
+{
+ uint32_t i;
+ int *sum = *arg;
+
+ if (!pb_decode_varint32(stream, &i))
+ return false;
+
+ *sum += i;
+
+ return true;
+}
+
+int main()
+{
+ int status = 0;
+ pb_byte_t buf[128] = {0};
+ pb_size_t msglen;
+
+ {
+ MainMessage msg = MainMessage_init_zero;
+ pb_ostream_t stream = pb_ostream_from_buffer(buf, sizeof(buf));
+ msg.submsg.foo.funcs.encode = &write_array;
+ TEST(pb_encode(&stream, MainMessage_fields, &msg));
+ msglen = stream.bytes_written;
+ }
+
+ {
+ MainMessage msg = MainMessage_init_zero;
+ pb_istream_t stream = pb_istream_from_buffer(buf, msglen);
+ int sum = 0;
+ msg.submsg.foo.funcs.decode = &read_array;
+ msg.submsg.foo.arg = &sum;
+ TEST(pb_decode(&stream, MainMessage_fields, &msg));
+ TEST(sum == 1000 + 1001 + 1002 + 1003 + 1004);
+ }
+
+ return status;
+}
+
diff --git a/CAN-binder/libs/nanopb/tests/regression/issue_249/test.proto b/CAN-binder/libs/nanopb/tests/regression/issue_249/test.proto
new file mode 100644
index 00000000..eaa2abde
--- /dev/null
+++ b/CAN-binder/libs/nanopb/tests/regression/issue_249/test.proto
@@ -0,0 +1,10 @@
+syntax = "proto3";
+
+message SubMessage {
+ repeated int32 foo = 1;
+}
+
+message MainMessage {
+ SubMessage submsg = 1;
+}
+