Protocol Buffers - Google's data interchange format (grpc依赖) https://developers.google.com/protocol-buffers/
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#undef NDEBUG /* ensure tests always assert. */
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include "upb_decoder.c"
#include "upb_def.h"
#include "upb_glue.h"
int num_assertions = 0;
#define ASSERT(expr) do { \
++num_assertions; \
assert(expr); \
} while(0)
static void test_get_v_uint64_t()
{
#define TEST(name, bytes, val) {\
upb_status status = UPB_STATUS_INIT; \
const char name[] = bytes "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff" ; \
const char *name ## _buf = name; \
uint64_t name ## _val = 0; \
upb_decode_varint_fast(&name ## _buf, &name ## _val, &status); \
ASSERT(upb_ok(&status)); \
ASSERT(name ## _val == val); \
ASSERT(name ## _buf == name + sizeof(name) - 16); /* - 1 for NULL */ \
}
TEST(zero, "\x00", 0ULL);
TEST(one, "\x01", 1ULL);
TEST(twob, "\x81\x14", 0xa01ULL);
TEST(twob, "\x81\x03", 0x181ULL);
TEST(threeb, "\x81\x83\x07", 0x1c181ULL);
TEST(fourb, "\x81\x83\x87\x0f", 0x1e1c181ULL);
TEST(fiveb, "\x81\x83\x87\x8f\x1f", 0x1f1e1c181ULL);
TEST(sixb, "\x81\x83\x87\x8f\x9f\x3f", 0x1f9f1e1c181ULL);
TEST(sevenb, "\x81\x83\x87\x8f\x9f\xbf\x7f", 0x1fdf9f1e1c181ULL);
TEST(eightb, "\x81\x83\x87\x8f\x9f\xbf\xff\x01", 0x3fdf9f1e1c181ULL);
TEST(nineb, "\x81\x83\x87\x8f\x9f\xbf\xff\x81\x03", 0x303fdf9f1e1c181ULL);
TEST(tenb, "\x81\x83\x87\x8f\x9f\xbf\xff\x81\x83\x07", 0x8303fdf9f1e1c181ULL);
#undef TEST
char twelvebyte[16] = {0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x01, 0x01};
const char *twelvebyte_buf = twelvebyte;
uint64_t twelvebyte_val = 0;
upb_status status = UPB_STATUS_INIT;
/* A varint that terminates before hitting the end of the provided buffer,
* but in too many bytes (11 instead of 10). */
upb_decode_varint_fast(&twelvebyte_buf, &twelvebyte_val, &status);
ASSERT(status.code == UPB_ERROR);
upb_status_uninit(&status);
}
#if 0
static void test_get_v_uint32_t()
{
#define TEST(name, bytes, val) {\
upb_status status = UPB_STATUS_INIT; \
const uint8_t name[] = bytes; \
const uint8_t *name ## _buf = name; \
uint32_t name ## _val = 0; \
name ## _buf = upb_get_v_uint32_t(name, name + sizeof(name), &name ## _val, &status); \
ASSERT(upb_ok(&status)); \
ASSERT(name ## _val == val); \
ASSERT(name ## _buf == name + sizeof(name) - 1); /* - 1 for NULL */ \
/* Test NEED_MORE_DATA. */ \
if(sizeof(name) > 2) { \
name ## _buf = upb_get_v_uint32_t(name, name + sizeof(name) - 2, &name ## _val, &status); \
ASSERT(status.code == UPB_STATUS_NEED_MORE_DATA); \
} \
}
TEST(zero, "\x00", 0UL);
TEST(one, "\x01", 1UL);
TEST(twob, "\x81\x03", 0x181UL);
TEST(threeb, "\x81\x83\x07", 0x1c181UL);
TEST(fourb, "\x81\x83\x87\x0f", 0x1e1c181UL);
/* get_v_uint32_t truncates, so all the rest return the same thing. */
TEST(fiveb, "\x81\x83\x87\x8f\x1f", 0xf1e1c181UL);
TEST(sixb, "\x81\x83\x87\x8f\x9f\x3f", 0xf1e1c181UL);
TEST(sevenb, "\x81\x83\x87\x8f\x9f\xbf\x7f", 0xf1e1c181UL);
TEST(eightb, "\x81\x83\x87\x8f\x9f\xbf\xff\x01", 0xf1e1c181UL);
TEST(nineb, "\x81\x83\x87\x8f\x9f\xbf\xff\x81\x03", 0xf1e1c181UL);
TEST(tenb, "\x81\x83\x87\x8f\x9f\xbf\xff\x81\x83\x07", 0xf1e1c181UL);
#undef TEST
uint8_t twelvebyte[] = {0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x01, 0x01};
uint32_t twelvebyte_val = 0;
upb_status status = UPB_STATUS_INIT;
/* A varint that terminates before hitting the end of the provided buffer,
* but in too many bytes (11 instead of 10). */
upb_get_v_uint32_t(twelvebyte, twelvebyte + 12, &twelvebyte_val, &status);
ASSERT(status.code == UPB_ERROR_UNTERMINATED_VARINT);
/* A varint that terminates simultaneously with the end of the provided
* buffer, but in too many bytes (11 instead of 10). */
upb_reset(&status);
upb_get_v_uint32_t(twelvebyte, twelvebyte + 11, &twelvebyte_val, &status);
ASSERT(status.code == UPB_ERROR_UNTERMINATED_VARINT);
/* A varint whose buffer ends on exactly the byte where the varint must
* terminate, but the final byte does not terminate. The absolutely most
* correct return code here is UPB_ERROR_UNTERMINATED_VARINT, because we know
* by this point that the varint does not properly terminate. But we also
* allow a return value of UPB_STATUS_NEED_MORE_DATA here, because it does not
* compromise overall correctness -- clients who supply more data later will
* then receive a UPB_ERROR_UNTERMINATED_VARINT error; clients who have no
* more data to supply will (rightly) conclude that their protobuf is corrupt.
*/
upb_reset(&status);
upb_get_v_uint32_t(twelvebyte, twelvebyte + 10, &twelvebyte_val, &status);
ASSERT(status.code == UPB_ERROR_UNTERMINATED_VARINT ||
status.code == UPB_STATUS_NEED_MORE_DATA);
upb_reset(&status);
upb_get_v_uint32_t(twelvebyte, twelvebyte + 9, &twelvebyte_val, &status);
ASSERT(status.code == UPB_STATUS_NEED_MORE_DATA);
}
static void test_skip_v_uint64_t()
{
#define TEST(name, bytes) {\
upb_status status = UPB_STATUS_INIT; \
const uint8_t name[] = bytes; \
const uint8_t *name ## _buf = name; \
name ## _buf = upb_skip_v_uint64_t(name ## _buf, name + sizeof(name), &status); \
ASSERT(upb_ok(&status)); \
ASSERT(name ## _buf == name + sizeof(name) - 1); /* - 1 for NULL */ \
/* Test NEED_MORE_DATA. */ \
if(sizeof(name) > 2) { \
name ## _buf = upb_skip_v_uint64_t(name, name + sizeof(name) - 2, &status); \
ASSERT(status.code == UPB_STATUS_NEED_MORE_DATA); \
} \
}
TEST(zero, "\x00");
TEST(one, "\x01");
TEST(twob, "\x81\x03");
TEST(threeb, "\x81\x83\x07");
TEST(fourb, "\x81\x83\x87\x0f");
TEST(fiveb, "\x81\x83\x87\x8f\x1f");
TEST(sixb, "\x81\x83\x87\x8f\x9f\x3f");
TEST(sevenb, "\x81\x83\x87\x8f\x9f\xbf\x7f");
TEST(eightb, "\x81\x83\x87\x8f\x9f\xbf\xff\x01");
TEST(nineb, "\x81\x83\x87\x8f\x9f\xbf\xff\x81\x03");
TEST(tenb, "\x81\x83\x87\x8f\x9f\xbf\xff\x81\x83\x07");
#undef TEST
uint8_t twelvebyte[] = {0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x01, 0x01};
upb_status status = UPB_STATUS_INIT;
/* A varint that terminates before hitting the end of the provided buffer,
* but in too many bytes (11 instead of 10). */
upb_skip_v_uint64_t(twelvebyte, twelvebyte + 12, &status);
ASSERT(status.code == UPB_ERROR_UNTERMINATED_VARINT);
/* A varint that terminates simultaneously with the end of the provided
* buffer, but in too many bytes (11 instead of 10). */
upb_reset(&status);
upb_skip_v_uint64_t(twelvebyte, twelvebyte + 11, &status);
ASSERT(status.code == UPB_ERROR_UNTERMINATED_VARINT);
/* A varint whose buffer ends on exactly the byte where the varint must
* terminate, but the final byte does not terminate. The absolutely most
* correct return code here is UPB_ERROR_UNTERMINATED_VARINT, because we know
* by this point that the varint does not properly terminate. But we also
* allow a return value of UPB_STATUS_NEED_MORE_DATA here, because it does not
* compromise overall correctness -- clients who supply more data later will
* then receive a UPB_ERROR_UNTERMINATED_VARINT error; clients who have no
* more data to supply will (rightly) conclude that their protobuf is corrupt.
*/
upb_reset(&status);
upb_skip_v_uint64_t(twelvebyte, twelvebyte + 10, &status);
ASSERT(status.code == UPB_ERROR_UNTERMINATED_VARINT ||
status.code == UPB_STATUS_NEED_MORE_DATA);
upb_reset(&status);
upb_skip_v_uint64_t(twelvebyte, twelvebyte + 9, &status);
ASSERT(status.code == UPB_STATUS_NEED_MORE_DATA);
}
static void test_get_f_uint32_t()
{
#define TEST(name, bytes, val) {\
upb_status status = UPB_STATUS_INIT; \
const uint8_t name[] = bytes; \
const uint8_t *name ## _buf = name; \
uint32_t name ## _val = 0; \
name ## _buf = upb_get_f_uint32_t(name ## _buf, name + sizeof(name), &name ## _val, &status); \
ASSERT(upb_ok(&status)); \
ASSERT(name ## _val == val); \
ASSERT(name ## _buf == name + sizeof(name) - 1); /* - 1 for NULL */ \
}
TEST(zero, "\x00\x00\x00\x00", 0x0UL);
TEST(one, "\x01\x00\x00\x00", 0x1UL);
uint8_t threeb[] = {0x00, 0x00, 0x00};
uint32_t threeb_val;
upb_status status = UPB_STATUS_INIT;
upb_get_f_uint32_t(threeb, threeb + sizeof(threeb), &threeb_val, &status);
ASSERT(status.code == UPB_STATUS_NEED_MORE_DATA);
#undef TEST
}
#endif
static void test_upb_symtab() {
upb_symtab *s = upb_symtab_new();
upb_symtab_add_descriptorproto(s);
ASSERT(s);
upb_string *descriptor = upb_strreadfile("tests/test.proto.pb");
if(!descriptor) {
fprintf(stderr, "Couldn't read input file tests/test.proto.pb\n");
exit(1);
}
upb_status status = UPB_STATUS_INIT;
upb_parsedesc(s, descriptor, &status);
upb_printerr(&status);
ASSERT(upb_ok(&status));
upb_status_uninit(&status);
upb_string_unref(descriptor);
// Test cycle detection by making a cyclic def's main refcount go to zero
// and then be incremented to one again.
upb_string *symname = upb_strdupc("A");
upb_def *def = upb_symtab_lookup(s, symname);
upb_string_unref(symname);
ASSERT(def);
upb_symtab_unref(s);
upb_msgdef *m = upb_downcast_msgdef(def);
upb_msg_iter i = upb_msg_begin(m);
upb_fielddef *f = upb_msg_iter_field(i);
ASSERT(upb_hasdef(f));
upb_def *def2 = f->def;
i = upb_msg_next(m, i);
ASSERT(upb_msg_done(i)); // "A" should only have one field.
ASSERT(upb_downcast_msgdef(def2));
upb_def_ref(def2);
upb_def_unref(def);
upb_def_unref(def2);
}
int main()
{
#define TEST(func) do { \
int assertions_before = num_assertions; \
printf("Running " #func "..."); fflush(stdout); \
func(); \
printf("ok (%d assertions).\n", num_assertions - assertions_before); \
} while (0)
TEST(test_get_v_uint64_t);
//TEST(test_get_v_uint32_t);
//TEST(test_skip_v_uint64_t);
//TEST(test_get_f_uint32_t);
TEST(test_upb_symtab);
printf("All tests passed (%d assertions).\n", num_assertions);
return 0;
}