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test-coroutine: Regression test for yield bug

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This adds a test for reentering a coroutine that previously yielded to a
coroutine that has meanwhile terminated.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Stefan Hajnoczi 2015-02-10 11:15:59 +01:00 committed by Kevin Wolf
parent cd12bb567c
commit 7c2eed3efa
1 changed files with 26 additions and 0 deletions
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26
tests/test-coroutine.c
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@ -13,6 +13,7 @@
#include <glib.h>
#include "block/coroutine.h"
#include "block/coroutine_int.h"
/*
* Check that qemu_in_coroutine() works
@ -122,6 +123,30 @@ static void test_yield(void)
g_assert_cmpint(i, ==, 5); /* coroutine must yield 5 times */
}
static void coroutine_fn c2_fn(void *opaque)
{
qemu_coroutine_yield();
}
static void coroutine_fn c1_fn(void *opaque)
{
Coroutine *c2 = opaque;
qemu_coroutine_enter(c2, NULL);
}
static void test_co_queue(void)
{
Coroutine *c1;
Coroutine *c2;
c1 = qemu_coroutine_create(c1_fn);
c2 = qemu_coroutine_create(c2_fn);
qemu_coroutine_enter(c1, c2);
memset(c1, 0xff, sizeof(Coroutine));
qemu_coroutine_enter(c2, NULL);
}
/*
* Check that creation, enter, and return work
*/
@ -343,6 +368,7 @@ static void perf_cost(void)
int main(int argc, char **argv)
{
g_test_init(&argc, &argv, NULL);
g_test_add_func("/basic/co_queue", test_co_queue);
g_test_add_func("/basic/lifecycle", test_lifecycle);
g_test_add_func("/basic/yield", test_yield);
g_test_add_func("/basic/nesting", test_nesting);