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-rw-r--r--tests/alltypes_proto3_callback/decode_alltypes_callback.c376
1 files changed, 376 insertions, 0 deletions
diff --git a/tests/alltypes_proto3_callback/decode_alltypes_callback.c b/tests/alltypes_proto3_callback/decode_alltypes_callback.c
new file mode 100644
index 0000000..2b3c2f3
--- /dev/null
+++ b/tests/alltypes_proto3_callback/decode_alltypes_callback.c
@@ -0,0 +1,376 @@
+/* Attempts to test all the datatypes supported by ProtoBuf when used as callback fields.
+ * Note that normally there would be no reason to use callback fields for this,
+ * because each encoder defined here only gives a single field.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <pb_decode.h>
+#include "alltypes.pb.h"
+#include "test_helpers.h"
+
+#define TEST(x) if (!(x)) { \
+ printf("Test " #x " failed (in field %d).\n", field->tag); \
+ return false; \
+ }
+
+static bool read_varint(pb_istream_t *stream, const pb_field_t *field, void **arg)
+{
+ uint64_t value;
+ if (!pb_decode_varint(stream, &value))
+ return false;
+
+ TEST((int64_t)value == (long)*arg);
+ return true;
+}
+
+static bool read_svarint(pb_istream_t *stream, const pb_field_t *field, void **arg)
+{
+ int64_t value;
+ if (!pb_decode_svarint(stream, &value))
+ return false;
+
+ TEST(value == (long)*arg);
+ return true;
+}
+
+static bool read_fixed32(pb_istream_t *stream, const pb_field_t *field, void **arg)
+{
+ uint32_t value;
+ if (!pb_decode_fixed32(stream, &value))
+ return false;
+
+ TEST(value == *(uint32_t*)*arg);
+ return true;
+}
+
+static bool read_fixed64(pb_istream_t *stream, const pb_field_t *field, void **arg)
+{
+ uint64_t value;
+ if (!pb_decode_fixed64(stream, &value))
+ return false;
+
+ TEST(value == *(uint64_t*)*arg);
+ return true;
+}
+
+static bool read_string(pb_istream_t *stream, const pb_field_t *field, void **arg)
+{
+ uint8_t buf[16] = {0};
+ size_t len = stream->bytes_left;
+
+ if (len > sizeof(buf) - 1 || !pb_read(stream, buf, len))
+ return false;
+
+ TEST(strcmp((char*)buf, *arg) == 0);
+ return true;
+}
+
+static bool read_submsg(pb_istream_t *stream, const pb_field_t *field, void **arg)
+{
+ SubMessage submsg = {""};
+ SubMessage *ref = *arg;
+
+ if (!pb_decode(stream, SubMessage_fields, &submsg))
+ return false;
+
+ TEST(strcmp(submsg.substuff1, ref->substuff1) == 0);
+ TEST(submsg.substuff2 == ref->substuff2);
+ TEST(submsg.substuff3 == ref->substuff3);
+ return true;
+}
+
+static bool read_emptymsg(pb_istream_t *stream, const pb_field_t *field, void **arg)
+{
+ EmptyMessage emptymsg = {0};
+ return pb_decode(stream, EmptyMessage_fields, &emptymsg);
+}
+
+static bool read_repeated_varint(pb_istream_t *stream, const pb_field_t *field, void **arg)
+{
+ int32_t** expected = (int32_t**)arg;
+ uint64_t value;
+ if (!pb_decode_varint(stream, &value))
+ return false;
+
+ TEST(*(*expected)++ == value);
+ return true;
+}
+
+static bool read_repeated_svarint(pb_istream_t *stream, const pb_field_t *field, void **arg)
+{
+ int32_t** expected = (int32_t**)arg;
+ int64_t value;
+ if (!pb_decode_svarint(stream, &value))
+ return false;
+
+ TEST(*(*expected)++ == value);
+ return true;
+}
+
+static bool read_repeated_fixed32(pb_istream_t *stream, const pb_field_t *field, void **arg)
+{
+ uint32_t** expected = (uint32_t**)arg;
+ uint32_t value;
+ if (!pb_decode_fixed32(stream, &value))
+ return false;
+
+ TEST(*(*expected)++ == value);
+ return true;
+}
+
+static bool read_repeated_fixed64(pb_istream_t *stream, const pb_field_t *field, void **arg)
+{
+ uint64_t** expected = (uint64_t**)arg;
+ uint64_t value;
+ if (!pb_decode_fixed64(stream, &value))
+ return false;
+
+ TEST(*(*expected)++ == value);
+ return true;
+}
+
+static bool read_repeated_string(pb_istream_t *stream, const pb_field_t *field, void **arg)
+{
+ uint8_t*** expected = (uint8_t***)arg;
+ uint8_t buf[16] = {0};
+ size_t len = stream->bytes_left;
+
+ if (len > sizeof(buf) - 1 || !pb_read(stream, buf, len))
+ return false;
+
+ TEST(strcmp((char*)*(*expected)++, (char*)buf) == 0);
+ return true;
+}
+
+static bool read_repeated_submsg(pb_istream_t *stream, const pb_field_t *field, void **arg)
+{
+ SubMessage** expected = (SubMessage**)arg;
+ SubMessage submsg = {""};
+ if (!pb_decode(stream, SubMessage_fields, &submsg))
+ return false;
+
+ TEST(strcmp(submsg.substuff1, (*expected)->substuff1) == 0);
+ TEST(submsg.substuff2 == (*expected)->substuff2);
+ TEST(submsg.substuff3 == (*expected)->substuff3);
+ (*expected)++;
+
+ return true;
+}
+
+static bool read_limits(pb_istream_t *stream, const pb_field_t *field, void **arg)
+{
+ Limits decoded = {0};
+ if (!pb_decode(stream, Limits_fields, &decoded))
+ return false;
+
+ TEST(decoded.int32_min == INT32_MIN);
+ TEST(decoded.int32_max == INT32_MAX);
+ TEST(decoded.uint32_min == 0);
+ TEST(decoded.uint32_max == UINT32_MAX);
+ TEST(decoded.int64_min == INT64_MIN);
+ TEST(decoded.int64_max == INT64_MAX);
+ TEST(decoded.uint64_min == 0);
+ TEST(decoded.uint64_max == UINT64_MAX);
+ TEST(decoded.enum_min == HugeEnum_Negative);
+ TEST(decoded.enum_max == HugeEnum_Positive);
+
+ return true;
+}
+
+/* This function is called once from main(), it handles
+ the decoding and checks the fields. */
+bool check_alltypes(pb_istream_t *stream, int mode)
+{
+ /* Values for use from callbacks through pointers. */
+ bool status;
+
+ int32_t rep_int32[5] = {0, 0, 0, 0, -2001};
+ int32_t rep_int64[5] = {0, 0, 0, 0, -2002};
+ int32_t rep_uint32[5] = {0, 0, 0, 0, 2003};
+ int32_t rep_uint64[5] = {0, 0, 0, 0, 2004};
+ int32_t rep_sint32[5] = {0, 0, 0, 0, -2005};
+ int32_t rep_sint64[5] = {0, 0, 0, 0, -2006};
+ int32_t rep_bool[5] = {false, false, false, false, true};
+ uint32_t rep_fixed32[5] = {0, 0, 0, 0, 2008};
+ int32_t rep_sfixed32[5] = {0, 0, 0, 0, -2009};
+ float rep_float[5] = {0, 0, 0, 0, 2010.0f};
+ uint64_t rep_fixed64[5] = {0, 0, 0, 0, 2011};
+ int64_t rep_sfixed64[5] = {0, 0, 0, 0, -2012};
+ double rep_double[5] = {0, 0, 0, 0, 2013.0};
+ char* rep_string[5] = {"", "", "", "", "2014"};
+ char* rep_bytes[5] = {"", "", "", "", "2015"};
+ SubMessage rep_submsg[5] = {{"", 0, 0},
+ {"", 0, 0},
+ {"", 0, 0},
+ {"", 0, 0},
+ {"2016", 2016, 2016}};
+ int32_t rep_enum[5] = {0, 0, 0, 0, MyEnum_Truth};
+
+ uint32_t sng_fixed32 = 3048;
+ int32_t sng_sfixed32 = 3049;
+ float sng_float = 3050.0f;
+ uint64_t sng_fixed64 = 3051;
+ int64_t sng_sfixed64 = 3052;
+ double sng_double = 3053.0f;
+ SubMessage sng_submsg = {"3056", 3056};
+
+ SubMessage oneof_msg1 = {"4059", 4059};
+
+ AllTypes alltypes = AllTypes_init_zero;
+
+ /* Bind callbacks for repeated fields */
+ alltypes.rep_int32.funcs.decode = &read_repeated_varint;
+ alltypes.rep_int32.arg = rep_int32;
+
+ alltypes.rep_int64.funcs.decode = &read_repeated_varint;
+ alltypes.rep_int64.arg = rep_int64;
+
+ alltypes.rep_uint32.funcs.decode = &read_repeated_varint;
+ alltypes.rep_uint32.arg = rep_uint32;
+
+ alltypes.rep_uint64.funcs.decode = &read_repeated_varint;
+ alltypes.rep_uint64.arg = rep_uint64;
+
+ alltypes.rep_sint32.funcs.decode = &read_repeated_svarint;
+ alltypes.rep_sint32.arg = rep_sint32;
+
+ alltypes.rep_sint64.funcs.decode = &read_repeated_svarint;
+ alltypes.rep_sint64.arg = rep_sint64;
+
+ alltypes.rep_bool.funcs.decode = &read_repeated_varint;
+ alltypes.rep_bool.arg = rep_bool;
+
+ alltypes.rep_fixed32.funcs.decode = &read_repeated_fixed32;
+ alltypes.rep_fixed32.arg = rep_fixed32;
+
+ alltypes.rep_sfixed32.funcs.decode = &read_repeated_fixed32;
+ alltypes.rep_sfixed32.arg = rep_sfixed32;
+
+ alltypes.rep_float.funcs.decode = &read_repeated_fixed32;
+ alltypes.rep_float.arg = rep_float;
+
+ alltypes.rep_fixed64.funcs.decode = &read_repeated_fixed64;
+ alltypes.rep_fixed64.arg = rep_fixed64;
+
+ alltypes.rep_sfixed64.funcs.decode = &read_repeated_fixed64;
+ alltypes.rep_sfixed64.arg = rep_sfixed64;
+
+ alltypes.rep_double.funcs.decode = &read_repeated_fixed64;
+ alltypes.rep_double.arg = rep_double;
+
+ alltypes.rep_string.funcs.decode = &read_repeated_string;
+ alltypes.rep_string.arg = rep_string;
+
+ alltypes.rep_bytes.funcs.decode = &read_repeated_string;
+ alltypes.rep_bytes.arg = rep_bytes;
+
+ alltypes.rep_submsg.funcs.decode = &read_repeated_submsg;
+ alltypes.rep_submsg.arg = rep_submsg;
+
+ alltypes.rep_enum.funcs.decode = &read_repeated_varint;
+ alltypes.rep_enum.arg = rep_enum;
+
+ alltypes.rep_emptymsg.funcs.decode = &read_emptymsg;
+
+ alltypes.req_limits.funcs.decode = &read_limits;
+
+ alltypes.end.funcs.decode = &read_varint;
+ alltypes.end.arg = (void*)1099;
+
+ /* Bind callbacks for optional fields */
+ if (mode == 1)
+ {
+ alltypes.sng_int32.funcs.decode = &read_varint;
+ alltypes.sng_int32.arg = (void*)3041;
+
+ alltypes.sng_int64.funcs.decode = &read_varint;
+ alltypes.sng_int64.arg = (void*)3042;
+
+ alltypes.sng_uint32.funcs.decode = &read_varint;
+ alltypes.sng_uint32.arg = (void*)3043;
+
+ alltypes.sng_uint64.funcs.decode = &read_varint;
+ alltypes.sng_uint64.arg = (void*)3044;
+
+ alltypes.sng_sint32.funcs.decode = &read_svarint;
+ alltypes.sng_sint32.arg = (void*)3045;
+
+ alltypes.sng_sint64.funcs.decode = &read_svarint;
+ alltypes.sng_sint64.arg = (void*)3046;
+
+ alltypes.sng_bool.funcs.decode = &read_varint;
+ alltypes.sng_bool.arg = (void*)true;
+
+ alltypes.sng_fixed32.funcs.decode = &read_fixed32;
+ alltypes.sng_fixed32.arg = &sng_fixed32;
+
+ alltypes.sng_sfixed32.funcs.decode = &read_fixed32;
+ alltypes.sng_sfixed32.arg = &sng_sfixed32;
+
+ alltypes.sng_float.funcs.decode = &read_fixed32;
+ alltypes.sng_float.arg = &sng_float;
+
+ alltypes.sng_fixed64.funcs.decode = &read_fixed64;
+ alltypes.sng_fixed64.arg = &sng_fixed64;
+
+ alltypes.sng_sfixed64.funcs.decode = &read_fixed64;
+ alltypes.sng_sfixed64.arg = &sng_sfixed64;
+
+ alltypes.sng_double.funcs.decode = &read_fixed64;
+ alltypes.sng_double.arg = &sng_double;
+
+ alltypes.sng_string.funcs.decode = &read_string;
+ alltypes.sng_string.arg = "3054";
+
+ alltypes.sng_bytes.funcs.decode = &read_string;
+ alltypes.sng_bytes.arg = "3055";
+
+ alltypes.sng_submsg.funcs.decode = &read_submsg;
+ alltypes.sng_submsg.arg = &sng_submsg;
+
+ alltypes.sng_enum.funcs.decode = &read_varint;
+ alltypes.sng_enum.arg = (void*)MyEnum_Truth;
+
+ alltypes.sng_emptymsg.funcs.decode = &read_emptymsg;
+
+ alltypes.oneof_msg1.funcs.decode = &read_submsg;
+ alltypes.oneof_msg1.arg = &oneof_msg1;
+ }
+
+ status = pb_decode(stream, AllTypes_fields, &alltypes);
+
+#ifdef PB_ENABLE_MALLOC
+ /* Just to check for any interference between pb_release() and callback fields */
+ pb_release(AllTypes_fields, &alltypes);
+#endif
+
+ return status;
+}
+
+int main(int argc, char **argv)
+{
+ uint8_t buffer[1024];
+ size_t count;
+ pb_istream_t stream;
+
+ /* Whether to expect the optional values or the default values. */
+ int mode = (argc > 1) ? atoi(argv[1]) : 0;
+
+ /* Read the data into buffer */
+ SET_BINARY_MODE(stdin);
+ count = fread(buffer, 1, sizeof(buffer), stdin);
+
+ /* Construct a pb_istream_t for reading from the buffer */
+ stream = pb_istream_from_buffer(buffer, count);
+
+ /* Decode and print out the stuff */
+ if (!check_alltypes(&stream, mode))
+ {
+ printf("Parsing failed: %s\n", PB_GET_ERROR(&stream));
+ return 1;
+ } else {
+ return 0;
+ }
+}