diff options
author | Romain Forlot <romain.forlot@iot.bzh> | 2017-06-20 10:24:05 +0000 |
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committer | Romain Forlot <romain.forlot@iot.bzh> | 2017-06-20 10:24:05 +0000 |
commit | 32e25cbca210a359b09768537b6f443fe90a3070 (patch) | |
tree | 3309794c15d8a8f8e9c1c08cad072ee1378813ba /libs/nanopb/tests/decode_unittests/decode_unittests.c | |
parent | 76c43dec62b2e21cd6446360c00d4fe6b437533f (diff) |
Separation Generator to a dedicated repo
Change-Id: Id94831651c3266861435272a6e36c7884bef2c45
Signed-off-by: Romain Forlot <romain.forlot@iot.bzh>
Diffstat (limited to 'libs/nanopb/tests/decode_unittests/decode_unittests.c')
-rw-r--r-- | libs/nanopb/tests/decode_unittests/decode_unittests.c | 388 |
1 files changed, 388 insertions, 0 deletions
diff --git a/libs/nanopb/tests/decode_unittests/decode_unittests.c b/libs/nanopb/tests/decode_unittests/decode_unittests.c new file mode 100644 index 00000000..a6f5c17e --- /dev/null +++ b/libs/nanopb/tests/decode_unittests/decode_unittests.c @@ -0,0 +1,388 @@ +/* This includes the whole .c file to get access to static functions. */ +#define PB_ENABLE_MALLOC +#include "pb_common.c" +#include "pb_decode.c" + +#include <stdio.h> +#include <string.h> +#include "unittests.h" +#include "unittestproto.pb.h" + +#define S(x) pb_istream_from_buffer((uint8_t*)x, sizeof(x) - 1) + +bool stream_callback(pb_istream_t *stream, uint8_t *buf, size_t count) +{ + if (stream->state != NULL) + return false; /* Simulate error */ + + if (buf != NULL) + memset(buf, 'x', count); + return true; +} + +/* Verifies that the stream passed to callback matches the byte array pointed to by arg. */ +bool callback_check(pb_istream_t *stream, const pb_field_t *field, void **arg) +{ + int i; + uint8_t byte; + pb_bytes_array_t *ref = (pb_bytes_array_t*) *arg; + + for (i = 0; i < ref->size; i++) + { + if (!pb_read(stream, &byte, 1)) + return false; + + if (byte != ref->bytes[i]) + return false; + } + + return true; +} + +int main() +{ + int status = 0; + + { + uint8_t buffer1[] = "foobartest1234"; + uint8_t buffer2[sizeof(buffer1)]; + pb_istream_t stream = pb_istream_from_buffer(buffer1, sizeof(buffer1)); + + COMMENT("Test pb_read and pb_istream_t"); + TEST(pb_read(&stream, buffer2, 6)) + TEST(memcmp(buffer2, "foobar", 6) == 0) + TEST(stream.bytes_left == sizeof(buffer1) - 6) + TEST(pb_read(&stream, buffer2 + 6, stream.bytes_left)) + TEST(memcmp(buffer1, buffer2, sizeof(buffer1)) == 0) + TEST(stream.bytes_left == 0) + TEST(!pb_read(&stream, buffer2, 1)) + } + + { + uint8_t buffer[20]; + pb_istream_t stream = {&stream_callback, NULL, 20}; + + COMMENT("Test pb_read with custom callback"); + TEST(pb_read(&stream, buffer, 5)) + TEST(memcmp(buffer, "xxxxx", 5) == 0) + TEST(!pb_read(&stream, buffer, 50)) + stream.state = (void*)1; /* Simulated error return from callback */ + TEST(!pb_read(&stream, buffer, 5)) + stream.state = NULL; + TEST(pb_read(&stream, buffer, 15)) + } + + { + pb_istream_t s; + uint64_t u; + int64_t i; + + COMMENT("Test pb_decode_varint"); + TEST((s = S("\x00"), pb_decode_varint(&s, &u) && u == 0)); + TEST((s = S("\x01"), pb_decode_varint(&s, &u) && u == 1)); + TEST((s = S("\xAC\x02"), pb_decode_varint(&s, &u) && u == 300)); + TEST((s = S("\xFF\xFF\xFF\xFF\x0F"), pb_decode_varint(&s, &u) && u == UINT32_MAX)); + TEST((s = S("\xFF\xFF\xFF\xFF\x0F"), pb_decode_varint(&s, (uint64_t*)&i) && i == UINT32_MAX)); + TEST((s = S("\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\x01"), + pb_decode_varint(&s, (uint64_t*)&i) && i == -1)); + TEST((s = S("\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\x01"), + pb_decode_varint(&s, &u) && u == UINT64_MAX)); + TEST((s = S("\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\x01"), + !pb_decode_varint(&s, &u))); + } + + { + pb_istream_t s; + uint32_t u; + + COMMENT("Test pb_decode_varint32"); + TEST((s = S("\x00"), pb_decode_varint32(&s, &u) && u == 0)); + TEST((s = S("\x01"), pb_decode_varint32(&s, &u) && u == 1)); + TEST((s = S("\xAC\x02"), pb_decode_varint32(&s, &u) && u == 300)); + TEST((s = S("\xFF\xFF\xFF\xFF\x0F"), pb_decode_varint32(&s, &u) && u == UINT32_MAX)); + TEST((s = S("\xFF\xFF\xFF\xFF\xFF\x01"), !pb_decode_varint32(&s, &u))); + } + + { + pb_istream_t s; + COMMENT("Test pb_skip_varint"); + TEST((s = S("\x00""foobar"), pb_skip_varint(&s) && s.bytes_left == 6)) + TEST((s = S("\xAC\x02""foobar"), pb_skip_varint(&s) && s.bytes_left == 6)) + TEST((s = S("\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\x01""foobar"), + pb_skip_varint(&s) && s.bytes_left == 6)) + TEST((s = S("\xFF"), !pb_skip_varint(&s))) + } + + { + pb_istream_t s; + COMMENT("Test pb_skip_string") + TEST((s = S("\x00""foobar"), pb_skip_string(&s) && s.bytes_left == 6)) + TEST((s = S("\x04""testfoobar"), pb_skip_string(&s) && s.bytes_left == 6)) + TEST((s = S("\x04"), !pb_skip_string(&s))) + TEST((s = S("\xFF"), !pb_skip_string(&s))) + } + + { + pb_istream_t s = S("\x01\x00"); + pb_field_t f = {1, PB_LTYPE_VARINT, 0, 0, 4, 0, 0}; + uint32_t d; + COMMENT("Test pb_dec_varint using uint32_t") + TEST(pb_dec_varint(&s, &f, &d) && d == 1) + + /* Verify that no more than data_size is written. */ + d = 0xFFFFFFFF; + f.data_size = 1; + TEST(pb_dec_varint(&s, &f, &d) && (d == 0xFFFFFF00 || d == 0x00FFFFFF)) + } + + { + pb_istream_t s; + pb_field_t f = {1, PB_LTYPE_SVARINT, 0, 0, 4, 0, 0}; + int32_t d; + + COMMENT("Test pb_dec_svarint using int32_t") + TEST((s = S("\x01"), pb_dec_svarint(&s, &f, &d) && d == -1)) + TEST((s = S("\x02"), pb_dec_svarint(&s, &f, &d) && d == 1)) + TEST((s = S("\xfe\xff\xff\xff\x0f"), pb_dec_svarint(&s, &f, &d) && d == INT32_MAX)) + TEST((s = S("\xff\xff\xff\xff\x0f"), pb_dec_svarint(&s, &f, &d) && d == INT32_MIN)) + } + + { + pb_istream_t s; + pb_field_t f = {1, PB_LTYPE_SVARINT, 0, 0, 8, 0, 0}; + int64_t d; + + COMMENT("Test pb_dec_svarint using int64_t") + TEST((s = S("\x01"), pb_dec_svarint(&s, &f, &d) && d == -1)) + TEST((s = S("\x02"), pb_dec_svarint(&s, &f, &d) && d == 1)) + TEST((s = S("\xFE\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\x01"), pb_dec_svarint(&s, &f, &d) && d == INT64_MAX)) + TEST((s = S("\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\x01"), pb_dec_svarint(&s, &f, &d) && d == INT64_MIN)) + } + + { + pb_istream_t s; + pb_field_t f = {1, PB_LTYPE_SVARINT, 0, 0, 4, 0, 0}; + int32_t d; + + COMMENT("Test pb_dec_svarint overflow detection using int32_t"); + TEST((s = S("\xfe\xff\xff\xff\x0f"), pb_dec_svarint(&s, &f, &d))); + TEST((s = S("\xfe\xff\xff\xff\x10"), !pb_dec_svarint(&s, &f, &d))); + TEST((s = S("\xff\xff\xff\xff\x0f"), pb_dec_svarint(&s, &f, &d))); + TEST((s = S("\xff\xff\xff\xff\x10"), !pb_dec_svarint(&s, &f, &d))); + } + + { + pb_istream_t s; + pb_field_t f = {1, PB_LTYPE_SVARINT, 0, 0, 4, 0, 0}; + uint32_t d; + + COMMENT("Test pb_dec_uvarint using uint32_t") + TEST((s = S("\x01"), pb_dec_uvarint(&s, &f, &d) && d == 1)) + TEST((s = S("\x02"), pb_dec_uvarint(&s, &f, &d) && d == 2)) + TEST((s = S("\xff\xff\xff\xff\x0f"), pb_dec_uvarint(&s, &f, &d) && d == UINT32_MAX)) + } + + { + pb_istream_t s; + pb_field_t f = {1, PB_LTYPE_SVARINT, 0, 0, 8, 0, 0}; + uint64_t d; + + COMMENT("Test pb_dec_uvarint using uint64_t") + TEST((s = S("\x01"), pb_dec_uvarint(&s, &f, &d) && d == 1)) + TEST((s = S("\x02"), pb_dec_uvarint(&s, &f, &d) && d == 2)) + TEST((s = S("\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\x01"), pb_dec_uvarint(&s, &f, &d) && d == UINT64_MAX)) + } + + { + pb_istream_t s; + pb_field_t f = {1, PB_LTYPE_SVARINT, 0, 0, 4, 0, 0}; + uint32_t d; + + COMMENT("Test pb_dec_uvarint overflow detection using int32_t"); + TEST((s = S("\xff\xff\xff\xff\x0f"), pb_dec_uvarint(&s, &f, &d))); + TEST((s = S("\xff\xff\xff\xff\x10"), !pb_dec_uvarint(&s, &f, &d))); + } + + { + pb_istream_t s; + pb_field_t f = {1, PB_LTYPE_FIXED32, 0, 0, 4, 0, 0}; + float d; + + COMMENT("Test pb_dec_fixed32 using float (failures here may be caused by imperfect rounding)") + TEST((s = S("\x00\x00\x00\x00"), pb_dec_fixed32(&s, &f, &d) && d == 0.0f)) + TEST((s = S("\x00\x00\xc6\x42"), pb_dec_fixed32(&s, &f, &d) && d == 99.0f)) + TEST((s = S("\x4e\x61\x3c\xcb"), pb_dec_fixed32(&s, &f, &d) && d == -12345678.0f)) + TEST((s = S("\x00"), !pb_dec_fixed32(&s, &f, &d) && d == -12345678.0f)) + } + + { + pb_istream_t s; + pb_field_t f = {1, PB_LTYPE_FIXED64, 0, 0, 8, 0, 0}; + double d; + + COMMENT("Test pb_dec_fixed64 using double (failures here may be caused by imperfect rounding)") + TEST((s = S("\x00\x00\x00\x00\x00\x00\x00\x00"), pb_dec_fixed64(&s, &f, &d) && d == 0.0)) + TEST((s = S("\x00\x00\x00\x00\x00\xc0\x58\x40"), pb_dec_fixed64(&s, &f, &d) && d == 99.0)) + TEST((s = S("\x00\x00\x00\xc0\x29\x8c\x67\xc1"), pb_dec_fixed64(&s, &f, &d) && d == -12345678.0f)) + } + + { + pb_istream_t s; + struct { pb_size_t size; uint8_t bytes[5]; } d; + pb_field_t f = {1, PB_LTYPE_BYTES, 0, 0, sizeof(d), 0, 0}; + + COMMENT("Test pb_dec_bytes") + TEST((s = S("\x00"), pb_dec_bytes(&s, &f, &d) && d.size == 0)) + TEST((s = S("\x01\xFF"), pb_dec_bytes(&s, &f, &d) && d.size == 1 && d.bytes[0] == 0xFF)) + TEST((s = S("\x05xxxxx"), pb_dec_bytes(&s, &f, &d) && d.size == 5)) + TEST((s = S("\x05xxxx"), !pb_dec_bytes(&s, &f, &d))) + + /* Note: the size limit on bytes-fields is not strictly obeyed, as + * the compiler may add some padding to the struct. Using this padding + * is not a very good thing to do, but it is difficult to avoid when + * we use only a single uint8_t to store the size of the field. + * Therefore this tests against a 10-byte string, while otherwise even + * 6 bytes should error out. + */ + TEST((s = S("\x10xxxxxxxxxx"), !pb_dec_bytes(&s, &f, &d))) + } + + { + pb_istream_t s; + pb_field_t f = {1, PB_LTYPE_STRING, 0, 0, 5, 0, 0}; + char d[5]; + + COMMENT("Test pb_dec_string") + TEST((s = S("\x00"), pb_dec_string(&s, &f, &d) && d[0] == '\0')) + TEST((s = S("\x04xyzz"), pb_dec_string(&s, &f, &d) && strcmp(d, "xyzz") == 0)) + TEST((s = S("\x05xyzzy"), !pb_dec_string(&s, &f, &d))) + } + + { + pb_istream_t s; + IntegerArray dest; + + COMMENT("Testing pb_decode with repeated int32 field") + TEST((s = S(""), pb_decode(&s, IntegerArray_fields, &dest) && dest.data_count == 0)) + TEST((s = S("\x08\x01\x08\x02"), pb_decode(&s, IntegerArray_fields, &dest) + && dest.data_count == 2 && dest.data[0] == 1 && dest.data[1] == 2)) + s = S("\x08\x01\x08\x02\x08\x03\x08\x04\x08\x05\x08\x06\x08\x07\x08\x08\x08\x09\x08\x0A"); + TEST(pb_decode(&s, IntegerArray_fields, &dest) && dest.data_count == 10 && dest.data[9] == 10) + s = S("\x08\x01\x08\x02\x08\x03\x08\x04\x08\x05\x08\x06\x08\x07\x08\x08\x08\x09\x08\x0A\x08\x0B"); + TEST(!pb_decode(&s, IntegerArray_fields, &dest)) + } + + { + pb_istream_t s; + IntegerArray dest; + + COMMENT("Testing pb_decode with packed int32 field") + TEST((s = S("\x0A\x00"), pb_decode(&s, IntegerArray_fields, &dest) + && dest.data_count == 0)) + TEST((s = S("\x0A\x01\x01"), pb_decode(&s, IntegerArray_fields, &dest) + && dest.data_count == 1 && dest.data[0] == 1)) + TEST((s = S("\x0A\x0A\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A"), pb_decode(&s, IntegerArray_fields, &dest) + && dest.data_count == 10 && dest.data[0] == 1 && dest.data[9] == 10)) + TEST((s = S("\x0A\x0B\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B"), !pb_decode(&s, IntegerArray_fields, &dest))) + + /* Test invalid wire data */ + TEST((s = S("\x0A\xFF"), !pb_decode(&s, IntegerArray_fields, &dest))) + TEST((s = S("\x0A\x01"), !pb_decode(&s, IntegerArray_fields, &dest))) + } + + { + pb_istream_t s; + IntegerArray dest; + + COMMENT("Testing pb_decode with unknown fields") + TEST((s = S("\x18\x0F\x08\x01"), pb_decode(&s, IntegerArray_fields, &dest) + && dest.data_count == 1 && dest.data[0] == 1)) + TEST((s = S("\x19\x00\x00\x00\x00\x00\x00\x00\x00\x08\x01"), pb_decode(&s, IntegerArray_fields, &dest) + && dest.data_count == 1 && dest.data[0] == 1)) + TEST((s = S("\x1A\x00\x08\x01"), pb_decode(&s, IntegerArray_fields, &dest) + && dest.data_count == 1 && dest.data[0] == 1)) + TEST((s = S("\x1B\x08\x01"), !pb_decode(&s, IntegerArray_fields, &dest))) + TEST((s = S("\x1D\x00\x00\x00\x00\x08\x01"), pb_decode(&s, IntegerArray_fields, &dest) + && dest.data_count == 1 && dest.data[0] == 1)) + } + + { + pb_istream_t s; + CallbackArray dest; + struct { pb_size_t size; uint8_t bytes[10]; } ref; + dest.data.funcs.decode = &callback_check; + dest.data.arg = &ref; + + COMMENT("Testing pb_decode with callbacks") + /* Single varint */ + ref.size = 1; ref.bytes[0] = 0x55; + TEST((s = S("\x08\x55"), pb_decode(&s, CallbackArray_fields, &dest))) + /* Packed varint */ + ref.size = 3; ref.bytes[0] = ref.bytes[1] = ref.bytes[2] = 0x55; + TEST((s = S("\x0A\x03\x55\x55\x55"), pb_decode(&s, CallbackArray_fields, &dest))) + /* Packed varint with loop */ + ref.size = 1; ref.bytes[0] = 0x55; + TEST((s = S("\x0A\x03\x55\x55\x55"), pb_decode(&s, CallbackArray_fields, &dest))) + /* Single fixed32 */ + ref.size = 4; ref.bytes[0] = ref.bytes[1] = ref.bytes[2] = ref.bytes[3] = 0xAA; + TEST((s = S("\x0D\xAA\xAA\xAA\xAA"), pb_decode(&s, CallbackArray_fields, &dest))) + /* Single fixed64 */ + ref.size = 8; memset(ref.bytes, 0xAA, 8); + TEST((s = S("\x09\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA"), pb_decode(&s, CallbackArray_fields, &dest))) + /* Unsupported field type */ + TEST((s = S("\x0B\x00"), !pb_decode(&s, CallbackArray_fields, &dest))) + + /* Just make sure that our test function works */ + ref.size = 1; ref.bytes[0] = 0x56; + TEST((s = S("\x08\x55"), !pb_decode(&s, CallbackArray_fields, &dest))) + } + + { + pb_istream_t s; + IntegerArray dest; + + COMMENT("Testing pb_decode message termination") + TEST((s = S(""), pb_decode(&s, IntegerArray_fields, &dest))) + TEST((s = S("\x00"), pb_decode(&s, IntegerArray_fields, &dest))) + TEST((s = S("\x08\x01"), pb_decode(&s, IntegerArray_fields, &dest))) + TEST((s = S("\x08\x01\x00"), pb_decode(&s, IntegerArray_fields, &dest))) + TEST((s = S("\x08"), !pb_decode(&s, IntegerArray_fields, &dest))) + } + + { + pb_istream_t s; + IntegerContainer dest = {{0}}; + + COMMENT("Testing pb_decode_delimited") + TEST((s = S("\x09\x0A\x07\x0A\x05\x01\x02\x03\x04\x05"), + pb_decode_delimited(&s, IntegerContainer_fields, &dest)) && + dest.submsg.data_count == 5) + } + + { + pb_istream_t s = {0}; + void *data = NULL; + + COMMENT("Testing allocate_field") + TEST(allocate_field(&s, &data, 10, 10) && data != NULL); + TEST(allocate_field(&s, &data, 10, 20) && data != NULL); + + { + void *oldvalue = data; + size_t very_big = (size_t)-1; + size_t somewhat_big = very_big / 2 + 1; + size_t not_so_big = (size_t)1 << (4 * sizeof(size_t)); + + TEST(!allocate_field(&s, &data, very_big, 2) && data == oldvalue); + TEST(!allocate_field(&s, &data, somewhat_big, 2) && data == oldvalue); + TEST(!allocate_field(&s, &data, not_so_big, not_so_big) && data == oldvalue); + } + + pb_free(data); + } + + if (status != 0) + fprintf(stdout, "\n\nSome tests FAILED!\n"); + + return status; +} |