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/* Copyright 2016 Google Inc.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License. */
#ifndef NSYNC_TESTING_TESTING_H_
#define NSYNC_TESTING_TESTING_H_
typedef struct testing_base_s *testing_base;
typedef const struct testing_base_s *const_testing_base;
typedef struct testing_s *testing;
/* Return a newly initialized testing_base. */
testing_base testing_new (int argc, char *argv[], int flags);
/* Return the index of the first argument in argv[] not processed by testing_new() */
int testing_base_argn (testing_base tb);
/* exit() with the test's exit status */
int testing_base_exit (testing_base tb);
/* Stop and start the benchmark timer. */
void testing_stop_timer (testing t);
void testing_start_timer (testing t);
/* Return whether the machine appears to be a uniprocessor.
Some tests get different results on uniprocessors, because
the probability of certain interleavings of thread actions is
greatly reduced. */
int testing_is_uniprocessor (testing t);
/* Given a testing_base, run f (t), where t has type testing.
Output will be for a test. */
#define TEST_RUN(tb, f) testing_run_ ((tb), &f, #f, 0)
/* Given a testing_base, run f (t), where t has type testing.
Output will be for a benchmark, which should iterate testing_n (t) times. */
#define BENCHMARK_RUN(tb, f) testing_run_ ((tb), &f, #f, 1)
/* Return the iteration count for a benchmark. */
int testing_n (testing t);
/* Output nul-terminated string msg[] to stderr, then abort(). */
void testing_panic (const char *msg);
/* Return a value below 0 if tests should run short, 0 if normal, and a value exceeding
0 if tests should run long. */
int testing_longshort (testing t);
/* Return non-zero if the user requested verbose output. */
int testing_verbose (testing t);
/* Output a printf-formated log message associated with *t.
Example: TEST_LOG (t, ("wombat %d", some_int));
The TEST_ERROR() and TEST_FATAL() forms of the call makr the test as failing.
The TEST_FATAL() form causes other subtests not to run. */
#define TEST_LOG(t, args) testing_error_ ((t), 0, __FILE__, __LINE__, smprintf args);
#define TEST_ERROR(t, args) testing_error_ ((t), 1, __FILE__, __LINE__, smprintf args);
#define TEST_FATAL(t, args) testing_error_ ((t), 2, __FILE__, __LINE__, smprintf args);
/* ---------------------------------------- */
/* internal details follow */
/* An internal routine used by TEST_RUN() and BENCHMARK_RUN(). */
void testing_run_ (testing_base tb, void (*f) (testing t), const char *name, int is_benchmark);
/* Output an error message msg, and record status. */
void testing_error_ (testing t, int status, const char *file, int line, char *msg);
#endif /*NSYNC_TESTING_TESTING_H_*/
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