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-rw-r--r--tests/test-char.c80
1 files changed, 78 insertions, 2 deletions
diff --git a/tests/test-char.c b/tests/test-char.c
index 19c3efad72..018e2eed93 100644
--- a/tests/test-char.c
+++ b/tests/test-char.c
@@ -16,6 +16,9 @@ static bool quit;
typedef struct FeHandler {
int read_count;
+ bool is_open;
+ int openclose_count;
+ bool openclose_mismatch;
int last_event;
char read_buf[128];
} FeHandler;
@@ -49,10 +52,24 @@ static void fe_read(void *opaque, const uint8_t *buf, int size)
static void fe_event(void *opaque, int event)
{
FeHandler *h = opaque;
+ bool new_open_state;
h->last_event = event;
- if (event != CHR_EVENT_BREAK) {
+ switch (event) {
+ case CHR_EVENT_BREAK:
+ break;
+ case CHR_EVENT_OPENED:
+ case CHR_EVENT_CLOSED:
+ h->openclose_count++;
+ new_open_state = (event == CHR_EVENT_OPENED);
+ if (h->is_open == new_open_state) {
+ h->openclose_mismatch = true;
+ }
+ h->is_open = new_open_state;
+ /* no break */
+ default:
quit = true;
+ break;
}
}
@@ -161,7 +178,7 @@ static void char_mux_test(void)
QemuOpts *opts;
Chardev *chr, *base;
char *data;
- FeHandler h1 = { 0, }, h2 = { 0, };
+ FeHandler h1 = { 0, false, 0, false, }, h2 = { 0, false, 0, false, };
CharBackend chr_be1, chr_be2;
opts = qemu_opts_create(qemu_find_opts("chardev"), "mux-label",
@@ -233,6 +250,65 @@ static void char_mux_test(void)
g_assert_cmpint(h1.last_event, ==, CHR_EVENT_BREAK);
g_assert_cmpint(h2.last_event, ==, CHR_EVENT_MUX_OUT);
+ /* open/close state and corresponding events */
+ g_assert_true(qemu_chr_fe_backend_open(&chr_be1));
+ g_assert_true(qemu_chr_fe_backend_open(&chr_be2));
+ g_assert_true(h1.is_open);
+ g_assert_false(h1.openclose_mismatch);
+ g_assert_true(h2.is_open);
+ g_assert_false(h2.openclose_mismatch);
+
+ h1.openclose_count = h2.openclose_count = 0;
+
+ qemu_chr_fe_set_handlers(&chr_be1, NULL, NULL, NULL, NULL,
+ NULL, NULL, false);
+ qemu_chr_fe_set_handlers(&chr_be2, NULL, NULL, NULL, NULL,
+ NULL, NULL, false);
+ g_assert_cmpint(h1.openclose_count, ==, 0);
+ g_assert_cmpint(h2.openclose_count, ==, 0);
+
+ h1.is_open = h2.is_open = false;
+ qemu_chr_fe_set_handlers(&chr_be1,
+ NULL,
+ NULL,
+ fe_event,
+ NULL,
+ &h1,
+ NULL, false);
+ qemu_chr_fe_set_handlers(&chr_be2,
+ NULL,
+ NULL,
+ fe_event,
+ NULL,
+ &h2,
+ NULL, false);
+ g_assert_cmpint(h1.openclose_count, ==, 1);
+ g_assert_false(h1.openclose_mismatch);
+ g_assert_cmpint(h2.openclose_count, ==, 1);
+ g_assert_false(h2.openclose_mismatch);
+
+ qemu_chr_be_event(base, CHR_EVENT_CLOSED);
+ qemu_chr_be_event(base, CHR_EVENT_OPENED);
+ g_assert_cmpint(h1.openclose_count, ==, 3);
+ g_assert_false(h1.openclose_mismatch);
+ g_assert_cmpint(h2.openclose_count, ==, 3);
+ g_assert_false(h2.openclose_mismatch);
+
+ qemu_chr_fe_set_handlers(&chr_be2,
+ fe_can_read,
+ fe_read,
+ fe_event,
+ NULL,
+ &h2,
+ NULL, false);
+ qemu_chr_fe_set_handlers(&chr_be1,
+ fe_can_read,
+ fe_read,
+ fe_event,
+ NULL,
+ &h1,
+ NULL, false);
+
/* remove first handler */
qemu_chr_fe_set_handlers(&chr_be1, NULL, NULL, NULL, NULL,
NULL, NULL, true);