diff options
Diffstat (limited to 'CAN-binder/libs/nanopb/tests/oneof')
| -rw-r--r-- | CAN-binder/libs/nanopb/tests/oneof/SConscript | 33 | ||||
| -rw-r--r-- | CAN-binder/libs/nanopb/tests/oneof/decode_oneof.c | 131 | ||||
| -rw-r--r-- | CAN-binder/libs/nanopb/tests/oneof/encode_oneof.c | 64 | ||||
| -rw-r--r-- | CAN-binder/libs/nanopb/tests/oneof/oneof.proto | 32 |
4 files changed, 260 insertions, 0 deletions
diff --git a/CAN-binder/libs/nanopb/tests/oneof/SConscript b/CAN-binder/libs/nanopb/tests/oneof/SConscript new file mode 100644 index 0000000..22634fb --- /dev/null +++ b/CAN-binder/libs/nanopb/tests/oneof/SConscript @@ -0,0 +1,33 @@ +# Test the 'oneof' feature for generating C unions. + +Import('env') + +import re + +match = None +if 'PROTOC_VERSION' in env: + match = re.search('([0-9]+).([0-9]+).([0-9]+)', env['PROTOC_VERSION']) + +if match: + version = map(int, match.groups()) + +# Oneof is supported by protoc >= 2.6.0 +if env.GetOption('clean') or (match and (version[0] > 2 or (version[0] == 2 and version[1] >= 6))): + env.NanopbProto('oneof') + + enc = env.Program(['encode_oneof.c', + 'oneof.pb.c', + '$COMMON/pb_encode.o', + '$COMMON/pb_common.o']) + + dec = env.Program(['decode_oneof.c', + 'oneof.pb.c', + '$COMMON/pb_decode.o', + '$COMMON/pb_common.o']) + + env.RunTest("message1.pb", enc, ARGS = ['1']) + env.RunTest("message1.txt", [dec, 'message1.pb'], ARGS = ['1']) + env.RunTest("message2.pb", enc, ARGS = ['2']) + env.RunTest("message2.txt", [dec, 'message2.pb'], ARGS = ['2']) + env.RunTest("message3.pb", enc, ARGS = ['3']) + env.RunTest("message3.txt", [dec, 'message3.pb'], ARGS = ['3']) diff --git a/CAN-binder/libs/nanopb/tests/oneof/decode_oneof.c b/CAN-binder/libs/nanopb/tests/oneof/decode_oneof.c new file mode 100644 index 0000000..37075cd --- /dev/null +++ b/CAN-binder/libs/nanopb/tests/oneof/decode_oneof.c @@ -0,0 +1,131 @@ +/* Decode a message using oneof fields */ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <pb_decode.h> +#include "oneof.pb.h" +#include "test_helpers.h" +#include "unittests.h" + +/* Test the 'OneOfMessage' */ +int test_oneof_1(pb_istream_t *stream, int option) +{ + OneOfMessage msg; + int status = 0; + + /* To better catch initialization errors */ + memset(&msg, 0xAA, sizeof(msg)); + + if (!pb_decode(stream, OneOfMessage_fields, &msg)) + { + printf("Decoding failed: %s\n", PB_GET_ERROR(stream)); + return 1; + } + + /* Check that the basic fields work normally */ + TEST(msg.prefix == 123); + TEST(msg.suffix == 321); + + /* Check that we got the right oneof according to command line */ + if (option == 1) + { + TEST(msg.which_values == OneOfMessage_first_tag); + TEST(msg.values.first == 999); + } + else if (option == 2) + { + TEST(msg.which_values == OneOfMessage_second_tag); + TEST(strcmp(msg.values.second, "abcd") == 0); + } + else if (option == 3) + { + TEST(msg.which_values == OneOfMessage_third_tag); + TEST(msg.values.third.array[0] == 1); + TEST(msg.values.third.array[1] == 2); + TEST(msg.values.third.array[2] == 3); + TEST(msg.values.third.array[3] == 4); + TEST(msg.values.third.array[4] == 5); + } + + return status; +} + + +/* Test the 'PlainOneOfMessage' */ +int test_oneof_2(pb_istream_t *stream, int option) +{ + PlainOneOfMessage msg = PlainOneOfMessage_init_zero; + int status = 0; + + if (!pb_decode(stream, PlainOneOfMessage_fields, &msg)) + { + printf("Decoding failed: %s\n", PB_GET_ERROR(stream)); + return 1; + } + + /* Check that we got the right oneof according to command line */ + if (option == 1) + { + TEST(msg.which_values == OneOfMessage_first_tag); + TEST(msg.values.first == 999); + } + else if (option == 2) + { + TEST(msg.which_values == OneOfMessage_second_tag); + TEST(strcmp(msg.values.second, "abcd") == 0); + } + else if (option == 3) + { + TEST(msg.which_values == OneOfMessage_third_tag); + TEST(msg.values.third.array[0] == 1); + TEST(msg.values.third.array[1] == 2); + TEST(msg.values.third.array[2] == 3); + TEST(msg.values.third.array[3] == 4); + TEST(msg.values.third.array[4] == 5); + } + + return status; +} + +int main(int argc, char **argv) +{ + uint8_t buffer[OneOfMessage_size]; + size_t count; + int option; + + if (argc != 2) + { + fprintf(stderr, "Usage: decode_oneof [number]\n"); + return 1; + } + option = atoi(argv[1]); + + SET_BINARY_MODE(stdin); + count = fread(buffer, 1, sizeof(buffer), stdin); + + if (!feof(stdin)) + { + printf("Message does not fit in buffer\n"); + return 1; + } + + { + int status = 0; + pb_istream_t stream; + + stream = pb_istream_from_buffer(buffer, count); + status = test_oneof_1(&stream, option); + + if (status != 0) + return status; + + stream = pb_istream_from_buffer(buffer, count); + status = test_oneof_2(&stream, option); + + if (status != 0) + return status; + } + + return 0; +} diff --git a/CAN-binder/libs/nanopb/tests/oneof/encode_oneof.c b/CAN-binder/libs/nanopb/tests/oneof/encode_oneof.c new file mode 100644 index 0000000..913d2d4 --- /dev/null +++ b/CAN-binder/libs/nanopb/tests/oneof/encode_oneof.c @@ -0,0 +1,64 @@ +/* Encode a message using oneof fields */ + +#include <stdio.h> +#include <stdlib.h> +#include <pb_encode.h> +#include "oneof.pb.h" +#include "test_helpers.h" + +int main(int argc, char **argv) +{ + uint8_t buffer[OneOfMessage_size]; + OneOfMessage msg = OneOfMessage_init_zero; + pb_ostream_t stream; + int option; + + if (argc != 2) + { + fprintf(stderr, "Usage: encode_oneof [number]\n"); + return 1; + } + option = atoi(argv[1]); + + /* Prefix and suffix are used to test that the union does not disturb + * other fields in the same message. */ + msg.prefix = 123; + + /* We encode one of the 'values' fields based on command line argument */ + if (option == 1) + { + msg.which_values = OneOfMessage_first_tag; + msg.values.first = 999; + } + else if (option == 2) + { + msg.which_values = OneOfMessage_second_tag; + strcpy(msg.values.second, "abcd"); + } + else if (option == 3) + { + msg.which_values = OneOfMessage_third_tag; + msg.values.third.array_count = 5; + msg.values.third.array[0] = 1; + msg.values.third.array[1] = 2; + msg.values.third.array[2] = 3; + msg.values.third.array[3] = 4; + msg.values.third.array[4] = 5; + } + + msg.suffix = 321; + + stream = pb_ostream_from_buffer(buffer, sizeof(buffer)); + + if (pb_encode(&stream, OneOfMessage_fields, &msg)) + { + SET_BINARY_MODE(stdout); + fwrite(buffer, 1, stream.bytes_written, stdout); + return 0; + } + else + { + fprintf(stderr, "Encoding failed: %s\n", PB_GET_ERROR(&stream)); + return 1; + } +} diff --git a/CAN-binder/libs/nanopb/tests/oneof/oneof.proto b/CAN-binder/libs/nanopb/tests/oneof/oneof.proto new file mode 100644 index 0000000..b4fe56f --- /dev/null +++ b/CAN-binder/libs/nanopb/tests/oneof/oneof.proto @@ -0,0 +1,32 @@ +syntax = "proto2"; + +import 'nanopb.proto'; + +message SubMessage +{ + repeated int32 array = 1 [(nanopb).max_count = 8]; +} + +/* Oneof in a message with other fields */ +message OneOfMessage +{ + required int32 prefix = 1; + oneof values + { + int32 first = 5; + string second = 6 [(nanopb).max_size = 8]; + SubMessage third = 7; + } + required int32 suffix = 99; +} + +/* Oneof in a message by itself */ +message PlainOneOfMessage +{ + oneof values + { + int32 first = 5; + string second = 6 [(nanopb).max_size = 8]; + SubMessage third = 7; + } +}
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