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-rw-r--r--CAN-binder/libs/nanopb/tests/io_errors/SConscript15
-rw-r--r--CAN-binder/libs/nanopb/tests/io_errors/alltypes.options3
-rw-r--r--CAN-binder/libs/nanopb/tests/io_errors/io_errors.c140
3 files changed, 158 insertions, 0 deletions
diff --git a/CAN-binder/libs/nanopb/tests/io_errors/SConscript b/CAN-binder/libs/nanopb/tests/io_errors/SConscript
new file mode 100644
index 00000000..60146cc0
--- /dev/null
+++ b/CAN-binder/libs/nanopb/tests/io_errors/SConscript
@@ -0,0 +1,15 @@
+# Simulate io errors when encoding and decoding
+
+Import("env")
+
+c = Copy("$TARGET", "$SOURCE")
+env.Command("alltypes.proto", "#alltypes/alltypes.proto", c)
+
+env.NanopbProto(["alltypes", "alltypes.options"])
+
+ioerr = env.Program(["io_errors.c", "alltypes.pb.c",
+ "$COMMON/pb_encode.o", "$COMMON/pb_decode.o", "$COMMON/pb_common.o"])
+
+env.RunTest("io_errors.output", [ioerr, "$BUILD/alltypes/encode_alltypes.output"])
+
+
diff --git a/CAN-binder/libs/nanopb/tests/io_errors/alltypes.options b/CAN-binder/libs/nanopb/tests/io_errors/alltypes.options
new file mode 100644
index 00000000..0d5ab12b
--- /dev/null
+++ b/CAN-binder/libs/nanopb/tests/io_errors/alltypes.options
@@ -0,0 +1,3 @@
+* max_size:16
+* max_count:5
+*.*fbytes fixed_length:true max_size:4
diff --git a/CAN-binder/libs/nanopb/tests/io_errors/io_errors.c b/CAN-binder/libs/nanopb/tests/io_errors/io_errors.c
new file mode 100644
index 00000000..76f35b08
--- /dev/null
+++ b/CAN-binder/libs/nanopb/tests/io_errors/io_errors.c
@@ -0,0 +1,140 @@
+/* Simulate IO errors after each byte in a stream.
+ * Verifies proper error propagation.
+ */
+
+#include <stdio.h>
+#include <pb_decode.h>
+#include <pb_encode.h>
+#include "alltypes.pb.h"
+#include "test_helpers.h"
+
+typedef struct
+{
+ uint8_t *buffer;
+ size_t fail_after;
+} faulty_stream_t;
+
+bool read_callback(pb_istream_t *stream, uint8_t *buf, size_t count)
+{
+ faulty_stream_t *state = stream->state;
+
+ while (count--)
+ {
+ if (state->fail_after == 0)
+ PB_RETURN_ERROR(stream, "simulated");
+ state->fail_after--;
+ *buf++ = *state->buffer++;
+ }
+
+ return true;
+}
+bool write_callback(pb_ostream_t *stream, const uint8_t *buf, size_t count)
+{
+ faulty_stream_t *state = stream->state;
+
+ while (count--)
+ {
+ if (state->fail_after == 0)
+ PB_RETURN_ERROR(stream, "simulated");
+ state->fail_after--;
+ *state->buffer++ = *buf++;
+ }
+
+ return true;
+}
+
+int main()
+{
+ uint8_t buffer[2048];
+ size_t msglen;
+ AllTypes msg = AllTypes_init_zero;
+
+ /* Get some base data to run the tests with */
+ SET_BINARY_MODE(stdin);
+ msglen = fread(buffer, 1, sizeof(buffer), stdin);
+
+ /* Test IO errors on decoding */
+ {
+ bool status;
+ pb_istream_t stream = {&read_callback, NULL, SIZE_MAX};
+ faulty_stream_t fs;
+ size_t i;
+
+ for (i = 0; i < msglen; i++)
+ {
+ stream.bytes_left = msglen;
+ stream.state = &fs;
+ fs.buffer = buffer;
+ fs.fail_after = i;
+
+ status = pb_decode(&stream, AllTypes_fields, &msg);
+ if (status != false)
+ {
+ fprintf(stderr, "Unexpected success in decode\n");
+ return 2;
+ }
+ else if (strcmp(stream.errmsg, "simulated") != 0)
+ {
+ fprintf(stderr, "Wrong error in decode: %s\n", stream.errmsg);
+ return 3;
+ }
+ }
+
+ stream.bytes_left = msglen;
+ stream.state = &fs;
+ fs.buffer = buffer;
+ fs.fail_after = msglen;
+ status = pb_decode(&stream, AllTypes_fields, &msg);
+
+ if (!status)
+ {
+ fprintf(stderr, "Decoding failed: %s\n", stream.errmsg);
+ return 4;
+ }
+ }
+
+ /* Test IO errors on encoding */
+ {
+ bool status;
+ pb_ostream_t stream = {&write_callback, NULL, SIZE_MAX, 0};
+ faulty_stream_t fs;
+ size_t i;
+
+ for (i = 0; i < msglen; i++)
+ {
+ stream.max_size = msglen;
+ stream.bytes_written = 0;
+ stream.state = &fs;
+ fs.buffer = buffer;
+ fs.fail_after = i;
+
+ status = pb_encode(&stream, AllTypes_fields, &msg);
+ if (status != false)
+ {
+ fprintf(stderr, "Unexpected success in encode\n");
+ return 5;
+ }
+ else if (strcmp(stream.errmsg, "simulated") != 0)
+ {
+ fprintf(stderr, "Wrong error in encode: %s\n", stream.errmsg);
+ return 6;
+ }
+ }
+
+ stream.max_size = msglen;
+ stream.bytes_written = 0;
+ stream.state = &fs;
+ fs.buffer = buffer;
+ fs.fail_after = msglen;
+ status = pb_encode(&stream, AllTypes_fields, &msg);
+
+ if (!status)
+ {
+ fprintf(stderr, "Encoding failed: %s\n", stream.errmsg);
+ return 7;
+ }
+ }
+
+ return 0;
+}
+