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author | 2017-05-02 17:51:53 +0200 | |
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committer | 2017-05-02 17:51:53 +0200 | |
commit | 3102ec9ce009d0f28355c5b7df9c5bd5013e6e75 (patch) | |
tree | 80a1ea19ff06cc9308b236a0d8d6358d21dd0381 /CAN-binder/libs/nanopb/tests/io_errors/io_errors.c | |
parent | 12e680a3c97a2750c657a8c561a79706f3689149 (diff) | |
parent | 278ffb890e3d8722e4c7d824baaf221a1e375fc4 (diff) |
Add 'CAN-binder/libs/nanopb/' from commit '278ffb890e3d8722e4c7d824baaf221a1e375fc4'
git-subtree-dir: CAN-binder/libs/nanopb
git-subtree-mainline: 12e680a3c97a2750c657a8c561a79706f3689149
git-subtree-split: 278ffb890e3d8722e4c7d824baaf221a1e375fc4
Diffstat (limited to 'CAN-binder/libs/nanopb/tests/io_errors/io_errors.c')
-rw-r--r-- | CAN-binder/libs/nanopb/tests/io_errors/io_errors.c | 140 |
1 files changed, 140 insertions, 0 deletions
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; +} + |