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tor/src/test/test.h

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/* Copyright (c) 2001-2003, Roger Dingledine.
* Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
* Copyright (c) 2007-2017, The Tor Project, Inc. */
/* See LICENSE for licensing information */
#ifndef TOR_TEST_H
#define TOR_TEST_H
/**
* \file test.h
* \brief Macros and functions used by unit tests.
*/
#include "compat.h"
#include "tinytest.h"
#define TT_EXIT_TEST_FUNCTION STMT_BEGIN goto done; STMT_END
#include "tinytest_macros.h"
#ifdef __GNUC__
#define PRETTY_FUNCTION __PRETTY_FUNCTION__
#else
#define PRETTY_FUNCTION ""
#endif
/* As test_mem_op, but decodes 'hex' before comparing. There must be a
* local char* variable called mem_op_hex_tmp for this to work. */
#define test_mem_op_hex(expr1, op, hex) \
STMT_BEGIN \
size_t length = strlen(hex); \
tor_free(mem_op_hex_tmp); \
mem_op_hex_tmp = tor_malloc(length/2); \
tor_assert((length&1)==0); \
base16_decode(mem_op_hex_tmp, length/2, hex, length); \
tt_mem_op(expr1, op, mem_op_hex_tmp, length/2); \
STMT_END
#define test_memeq_hex(expr1, hex) test_mem_op_hex(expr1, OP_EQ, hex)
#define tt_double_op(a,op,b) \
tt_assert_test_type(a,b,#a" "#op" "#b,double,(val1_ op val2_),"%g", \
TT_EXIT_TEST_FUNCTION)
/* Declare "double equal" in a sneaky way, so compiler won't complain about
* comparing floats with == or !=. Of course, only do this if you know what
* you're doing. */
#define tt_double_eq(a,b) \
STMT_BEGIN \
tt_double_op((a), OP_GE, (b)); \
tt_double_op((a), OP_LE, (b)); \
STMT_END
#ifdef _MSC_VER
#define U64_PRINTF_TYPE uint64_t
#define I64_PRINTF_TYPE int64_t
#else
#define U64_PRINTF_TYPE unsigned long long
#define I64_PRINTF_TYPE long long
#endif /* defined(_MSC_VER) */
#define tt_size_op(a,op,b) \
tt_assert_test_fmt_type(a,b,#a" "#op" "#b,size_t,(val1_ op val2_), \
U64_PRINTF_TYPE, U64_FORMAT, \
{print_ = (U64_PRINTF_TYPE) value_;}, {}, TT_EXIT_TEST_FUNCTION)
#define tt_u64_op(a,op,b) \
tt_assert_test_fmt_type(a,b,#a" "#op" "#b,uint64_t,(val1_ op val2_), \
U64_PRINTF_TYPE, U64_FORMAT, \
{print_ = (U64_PRINTF_TYPE) value_;}, {}, TT_EXIT_TEST_FUNCTION)
#define tt_i64_op(a,op,b) \
tt_assert_test_fmt_type(a,b,#a" "#op" "#b,int64_t,(val1_ op val2_), \
I64_PRINTF_TYPE, I64_FORMAT, \
{print_ = (I64_PRINTF_TYPE) value_;}, {}, TT_EXIT_TEST_FUNCTION)
const char *get_fname(const char *name);
const char *get_fname_rnd(const char *name);
struct crypto_pk_t *pk_generate(int idx);
void init_pregenerated_keys(void);
void free_pregenerated_keys(void);
#define US2_CONCAT_2__(a, b) a ## __ ## b
#define US_CONCAT_2__(a, b) a ## _ ## b
#define US_CONCAT_3__(a, b, c) a ## _ ## b ## _ ## c
#define US_CONCAT_2_(a, b) US_CONCAT_2__(a, b)
#define US_CONCAT_3_(a, b, c) US_CONCAT_3__(a, b, c)
/*
* These macros are helpful for streamlining the authorship of several test
* cases that use mocks.
*
* The pattern is as follows.
* * Declare a top level namespace:
* #define NS_MODULE foo
*
* * For each test case you want to write, create a new submodule in the
* namespace. All mocks and other information should belong to a single
* submodule to avoid interference with other test cases.
* You can simply name the submodule after the function in the module you
* are testing:
* #define NS_SUBMODULE some_function
* or, if you're wanting to write several tests against the same function,
* ie., you are testing an aspect of that function, you can use:
* #define NS_SUBMODULE ASPECT(some_function, behavior)
*
* * Declare all the mocks you will use. The NS_DECL macro serves to declare
* the mock in the current namespace (defined by NS_MODULE and NS_SUBMODULE).
* It behaves like MOCK_DECL:
* NS_DECL(int, dependent_function, (void *));
* Here, dependent_function must be declared and implemented with the
* MOCK_DECL and MOCK_IMPL macros. The NS_DECL macro also defines an integer
* global for use for tracking how many times a mock was called, and can be
* accessed by CALLED(mock_name). For example, you might put
* CALLED(dependent_function)++;
* in your mock body.
*
* * Define a function called NS(main) that will contain the body of the
* test case. The NS macro can be used to reference a name in the current
* namespace.
*
* * In NS(main), indicate that a mock function in the current namespace,
* declared with NS_DECL is to override that in the global namespace,
* with the NS_MOCK macro:
* NS_MOCK(dependent_function)
* Unmock with:
* NS_UNMOCK(dependent_function)
*
* * Define the mocks with the NS macro, eg.,
* int
* NS(dependent_function)(void *)
* {
* CALLED(dependent_function)++;
* }
*
* * In the struct testcase_t array, you can use the TEST_CASE and
* TEST_CASE_ASPECT macros to define the cases without having to do so
* explicitly nor without having to reset NS_SUBMODULE, eg.,
* struct testcase_t foo_tests[] = {
* TEST_CASE_ASPECT(some_function, behavior),
* ...
* END_OF_TESTCASES
* which will define a test case named "some_function__behavior".
*/
#define NAME_TEST_(name) #name
#define NAME_TEST(name) NAME_TEST_(name)
#define ASPECT(test_module, test_name) US2_CONCAT_2__(test_module, test_name)
#define TEST_CASE(function) \
{ \
NAME_TEST(function), \
NS_FULL(NS_MODULE, function, test_main), \
TT_FORK, \
NULL, \
NULL, \
}
#define TEST_CASE_ASPECT(function, aspect) \
{ \
NAME_TEST(ASPECT(function, aspect)), \
NS_FULL(NS_MODULE, ASPECT(function, aspect), test_main), \
TT_FORK, \
NULL, \
NULL, \
}
#define NS(name) US_CONCAT_3_(NS_MODULE, NS_SUBMODULE, name)
#define NS_FULL(module, submodule, name) US_CONCAT_3_(module, submodule, name)
#define CALLED(mock_name) US_CONCAT_2_(NS(mock_name), called)
#define NS_DECL(retval, mock_fn, args) \
extern int CALLED(mock_fn); \
static retval NS(mock_fn) args; int CALLED(mock_fn) = 0
#define NS_MOCK(name) MOCK(name, NS(name))
#define NS_UNMOCK(name) UNMOCK(name)
extern const struct testcase_setup_t passthrough_setup;
extern const struct testcase_setup_t ed25519_test_setup;
extern struct testcase_t accounting_tests[];
extern struct testcase_t addr_tests[];
extern struct testcase_t address_tests[];
extern struct testcase_t address_set_tests[];
extern struct testcase_t buffer_tests[];
extern struct testcase_t cell_format_tests[];
extern struct testcase_t cell_queue_tests[];
extern struct testcase_t channel_tests[];
extern struct testcase_t channelpadding_tests[];
extern struct testcase_t channeltls_tests[];
extern struct testcase_t checkdir_tests[];
extern struct testcase_t circuitbuild_tests[];
extern struct testcase_t circuitlist_tests[];
extern struct testcase_t circuitmux_tests[];
extern struct testcase_t circuituse_tests[];
extern struct testcase_t compat_libevent_tests[];
extern struct testcase_t config_tests[];
extern struct testcase_t connection_tests[];
extern struct testcase_t conscache_tests[];
extern struct testcase_t consdiff_tests[];
extern struct testcase_t consdiffmgr_tests[];
extern struct testcase_t container_tests[];
extern struct testcase_t controller_tests[];
extern struct testcase_t controller_event_tests[];
extern struct testcase_t crypto_tests[];
extern struct testcase_t crypto_openssl_tests[];
extern struct testcase_t dos_tests[];
extern struct testcase_t dir_tests[];
extern struct testcase_t dir_handle_get_tests[];
extern struct testcase_t entryconn_tests[];
extern struct testcase_t entrynodes_tests[];
extern struct testcase_t guardfraction_tests[];
extern struct testcase_t extorport_tests[];
extern struct testcase_t hs_tests[];
extern struct testcase_t hs_cache[];
extern struct testcase_t hs_cell_tests[];
extern struct testcase_t hs_common_tests[];
extern struct testcase_t hs_config_tests[];
extern struct testcase_t hs_descriptor[];
extern struct testcase_t hs_ntor_tests[];
extern struct testcase_t hs_service_tests[];
extern struct testcase_t hs_client_tests[];
extern struct testcase_t hs_intropoint_tests[];
extern struct testcase_t introduce_tests[];
extern struct testcase_t keypin_tests[];
extern struct testcase_t link_handshake_tests[];
extern struct testcase_t logging_tests[];
extern struct testcase_t microdesc_tests[];
extern struct testcase_t nodelist_tests[];
extern struct testcase_t oom_tests[];
extern struct testcase_t oos_tests[];
extern struct testcase_t options_tests[];
extern struct testcase_t policy_tests[];
extern struct testcase_t procmon_tests[];
extern struct testcase_t proto_http_tests[];
extern struct testcase_t proto_misc_tests[];
extern struct testcase_t protover_tests[];
extern struct testcase_t pubsub_tests[];
extern struct testcase_t pt_tests[];
extern struct testcase_t relay_tests[];
extern struct testcase_t relaycell_tests[];
extern struct testcase_t rend_cache_tests[];
extern struct testcase_t replaycache_tests[];
extern struct testcase_t router_tests[];
extern struct testcase_t routerkeys_tests[];
extern struct testcase_t routerlist_tests[];
extern struct testcase_t routerset_tests[];
extern struct testcase_t rust_tests[];
extern struct testcase_t scheduler_tests[];
extern struct testcase_t storagedir_tests[];
extern struct testcase_t socks_tests[];
extern struct testcase_t status_tests[];
extern struct testcase_t thread_tests[];
extern struct testcase_t tortls_tests[];
extern struct testcase_t util_tests[];
extern struct testcase_t util_format_tests[];
extern struct testcase_t util_process_tests[];
extern struct testcase_t dns_tests[];
extern struct testcase_t handle_tests[];
extern struct testcase_t sr_tests[];
extern struct testcase_t slow_crypto_tests[];
extern struct testcase_t slow_util_tests[];
extern struct testgroup_t testgroups[];
extern const char AUTHORITY_CERT_1[];
extern const char AUTHORITY_SIGNKEY_1[];
extern const char AUTHORITY_SIGNKEY_A_DIGEST[];
extern const char AUTHORITY_SIGNKEY_A_DIGEST256[];
extern const char AUTHORITY_CERT_2[];
extern const char AUTHORITY_SIGNKEY_2[];
extern const char AUTHORITY_SIGNKEY_B_DIGEST[];
extern const char AUTHORITY_SIGNKEY_B_DIGEST256[];
extern const char AUTHORITY_CERT_3[];
extern const char AUTHORITY_SIGNKEY_3[];
extern const char AUTHORITY_SIGNKEY_C_DIGEST[];
extern const char AUTHORITY_SIGNKEY_C_DIGEST256[];
#endif /* !defined(TOR_TEST_H) */
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