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Test coroutine execution order 

This patch adds a test for coroutine execution order in test-coroutine -
this catches a bug in the CPC coroutine implementation.

Signed-off-by: Charlie Shepherd <charlie@ctshepherd.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Charlie Shepherd 2013-08-08 03:23:14 +01:00 committed by Kevin Wolf
parent b276d24994
commit f8d1daea6f
1 changed files with 54 additions and 0 deletions
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54
tests/test-coroutine.c
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@ -150,6 +150,59 @@ static void test_lifecycle(void)
g_assert(done); /* expect done to be true (second time) */
}
#define RECORD_SIZE 10 /* Leave some room for expansion */
struct coroutine_position {
int func;
int state;
};
static struct coroutine_position records[RECORD_SIZE];
static unsigned record_pos;
static void record_push(int func, int state)
{
struct coroutine_position *cp = &records[record_pos++];
g_assert_cmpint(record_pos, <, RECORD_SIZE);
cp->func = func;
cp->state = state;
}
static void coroutine_fn co_order_test(void *opaque)
{
record_push(2, 1);
g_assert(qemu_in_coroutine());
qemu_coroutine_yield();
record_push(2, 2);
g_assert(qemu_in_coroutine());
}
static void do_order_test(void)
{
Coroutine *co;
co = qemu_coroutine_create(co_order_test);
record_push(1, 1);
qemu_coroutine_enter(co, NULL);
record_push(1, 2);
g_assert(!qemu_in_coroutine());
qemu_coroutine_enter(co, NULL);
record_push(1, 3);
g_assert(!qemu_in_coroutine());
}
static void test_order(void)
{
int i;
const struct coroutine_position expected_pos[] = {
{1, 1,}, {2, 1}, {1, 2}, {2, 2}, {1, 3}
};
do_order_test();
g_assert_cmpint(record_pos, ==, 5);
for (i = 0; i < record_pos; i++) {
g_assert_cmpint(records[i].func , ==, expected_pos[i].func );
g_assert_cmpint(records[i].state, ==, expected_pos[i].state);
}
}
/*
* Lifecycle benchmark
*/
@ -243,6 +296,7 @@ int main(int argc, char **argv)
g_test_add_func("/basic/nesting", test_nesting);
g_test_add_func("/basic/self", test_self);
g_test_add_func("/basic/in_coroutine", test_in_coroutine);
g_test_add_func("/basic/order", test_order);
if (g_test_perf()) {
g_test_add_func("/perf/lifecycle", perf_lifecycle);
g_test_add_func("/perf/nesting", perf_nesting);