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/**
* Add support for using the libuv loop in tests.
*/
#ifndef TEST_UV_H
#define TEST_UV_H
#include <uv.h>
#include "munit.h"
/* Max n. of loop iterations ran by a single function call */
#define TEST_UV_MAX_LOOP_RUN 10
/**
* Initialize the given libuv loop.
*/
void test_uv_setup(const MunitParameter params[], struct uv_loop_s *l);
/**
* Run the loop until there are no pending active handles.
*
* If there are still pending active handles after 10 loop iterations, the test
* will fail.
*
* This is meant to be used in tear down functions.
*/
void test_uv_stop(struct uv_loop_s *l);
/**
* Tear down the loop making sure no active handles are left.
*/
void test_uv_tear_down(struct uv_loop_s *l);
/**
* Run the loop until there are no pending active handles or the given amount of
* iterations is reached.
*
* Return non-zero if there are pending handles.
*/
int test_uv_run(struct uv_loop_s *l, unsigned n);
/**
* Run the loop until the given function returns true.
*
* If the loop exhausts all active handles or if #TEST_UV_MAX_LOOP_RUN is
* reached without @f returning #true, the test fails.
*/
#define test_uv_run_until(DATA, FUNC) \
{ \
unsigned i; \
int rv; \
for (i = 0; i < TEST_UV_MAX_LOOP_RUN; i++) { \
if (FUNC(DATA)) { \
break; \
} \
rv = uv_run(&f->loop, UV_RUN_ONCE); \
if (rv < 0) { \
munit_errorf("uv_run: %s", uv_strerror(rv)); \
} \
if (rv == 0) { \
if (FUNC(DATA)) { \
break; \
} \
munit_errorf( \
"uv_run: stopped after %u iterations", \
i + 1); \
} \
} \
if (i == TEST_UV_MAX_LOOP_RUN) { \
munit_errorf( \
"uv_run: condition not met in %d iterations", \
TEST_UV_MAX_LOOP_RUN); \
} \
}
#endif /* TEST_UV_H */
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