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-rw-r--r--libs/nanopb/tests/callbacks/decode_callbacks.c97
1 files changed, 97 insertions, 0 deletions
diff --git a/libs/nanopb/tests/callbacks/decode_callbacks.c b/libs/nanopb/tests/callbacks/decode_callbacks.c
new file mode 100644
index 00000000..45724d0b
--- /dev/null
+++ b/libs/nanopb/tests/callbacks/decode_callbacks.c
@@ -0,0 +1,97 @@
+/* Decoding testcase for callback fields.
+ * Run e.g. ./test_encode_callbacks | ./test_decode_callbacks
+ */
+
+#include <stdio.h>
+#include <pb_decode.h>
+#include "callbacks.pb.h"
+#include "test_helpers.h"
+
+bool print_string(pb_istream_t *stream, const pb_field_t *field, void **arg)
+{
+ uint8_t buffer[1024] = {0};
+
+ /* We could read block-by-block to avoid the large buffer... */
+ if (stream->bytes_left > sizeof(buffer) - 1)
+ return false;
+
+ if (!pb_read(stream, buffer, stream->bytes_left))
+ return false;
+
+ /* Print the string, in format comparable with protoc --decode.
+ * Format comes from the arg defined in main().
+ */
+ printf((char*)*arg, buffer);
+ return true;
+}
+
+bool print_int32(pb_istream_t *stream, const pb_field_t *field, void **arg)
+{
+ uint64_t value;
+ if (!pb_decode_varint(stream, &value))
+ return false;
+
+ printf((char*)*arg, (long)value);
+ return true;
+}
+
+bool print_fixed32(pb_istream_t *stream, const pb_field_t *field, void **arg)
+{
+ uint32_t value;
+ if (!pb_decode_fixed32(stream, &value))
+ return false;
+
+ printf((char*)*arg, (long)value);
+ return true;
+}
+
+bool print_fixed64(pb_istream_t *stream, const pb_field_t *field, void **arg)
+{
+ uint64_t value;
+ if (!pb_decode_fixed64(stream, &value))
+ return false;
+
+ printf((char*)*arg, (long)value);
+ return true;
+}
+
+int main()
+{
+ uint8_t buffer[1024];
+ size_t length;
+ pb_istream_t stream;
+ /* Note: empty initializer list initializes the struct with all-0.
+ * This is recommended so that unused callbacks are set to NULL instead
+ * of crashing at runtime.
+ */
+ TestMessage testmessage = {{{NULL}}};
+
+ SET_BINARY_MODE(stdin);
+ length = fread(buffer, 1, 1024, stdin);
+ stream = pb_istream_from_buffer(buffer, length);
+
+ testmessage.submsg.stringvalue.funcs.decode = &print_string;
+ testmessage.submsg.stringvalue.arg = "submsg {\n stringvalue: \"%s\"\n";
+ testmessage.submsg.int32value.funcs.decode = &print_int32;
+ testmessage.submsg.int32value.arg = " int32value: %ld\n";
+ testmessage.submsg.fixed32value.funcs.decode = &print_fixed32;
+ testmessage.submsg.fixed32value.arg = " fixed32value: %ld\n";
+ testmessage.submsg.fixed64value.funcs.decode = &print_fixed64;
+ testmessage.submsg.fixed64value.arg = " fixed64value: %ld\n}\n";
+
+ testmessage.stringvalue.funcs.decode = &print_string;
+ testmessage.stringvalue.arg = "stringvalue: \"%s\"\n";
+ testmessage.int32value.funcs.decode = &print_int32;
+ testmessage.int32value.arg = "int32value: %ld\n";
+ testmessage.fixed32value.funcs.decode = &print_fixed32;
+ testmessage.fixed32value.arg = "fixed32value: %ld\n";
+ testmessage.fixed64value.funcs.decode = &print_fixed64;
+ testmessage.fixed64value.arg = "fixed64value: %ld\n";
+ testmessage.repeatedstring.funcs.decode = &print_string;
+ testmessage.repeatedstring.arg = "repeatedstring: \"%s\"\n";
+
+ if (!pb_decode(&stream, TestMessage_fields, &testmessage))
+ return 1;
+
+ return 0;
+}