[PATCH] test: Add unit test for mieq
Jeremy Huddleston
jeremyhu at apple.com
Mon Oct 17 23:59:38 PDT 2011
Signed-off-by: Jeremy Huddleston <jeremyhu at apple.com>
---
The comments only really make sense wrt the mieq changes that I have pending, but the test should work regardless.
test/input.c | 69 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 69 insertions(+), 0 deletions(-)
diff --git a/test/input.c b/test/input.c
index a483957..5125dd7 100644
--- a/test/input.c
+++ b/test/input.c
@@ -40,6 +40,7 @@
#include "dixgrabs.h"
#include "eventstr.h"
#include "inpututils.h"
+#include "mi.h"
#include "assert.h"
/**
@@ -1592,6 +1593,73 @@ dix_double_fp_conversion(void)
}
}
+/* The mieq test verifies that events added to the queue come out in the same
+ * order that they went in.
+ */
+static uint32_t mieq_test_event_last_processed;
+
+static void
+mieq_test_event_handler(int screenNum, InternalEvent *ie, DeviceIntPtr dev) {
+ RawDeviceEvent *e = (RawDeviceEvent *)ie;
+
+ assert(e->type == ET_RawMotion);
+ assert(e->flags > mieq_test_event_last_processed);
+ mieq_test_event_last_processed = e->flags;
+}
+
+static void _mieq_test_generate_events(uint32_t start, uint32_t count) {
+ count += start;
+ while (start < count) {
+ RawDeviceEvent e = {0};
+ e.header = ET_Internal;
+ e.type = ET_RawMotion;
+ e.length = sizeof(e);
+ e.time = GetTimeInMillis();
+ e.flags = start;
+
+ mieqEnqueue(NULL, (InternalEvent*)&e);
+
+ start++;
+ }
+}
+
+#define mieq_test_generate_events(c) { _mieq_test_generate_events(next, c); next += c; }
+
+static void
+mieq_test(void) {
+ uint32_t next = 1;
+
+ mieq_test_event_last_processed = 0;
+ mieqInit();
+ mieqSetHandler(ET_RawMotion, mieq_test_event_handler);
+
+ /* Enough to fit the buffer but trigger a grow */
+ mieq_test_generate_events(180);
+
+ /* We should resize to 512 now */
+ mieqProcessInputEvents();
+
+ /* Some should now get dropped */
+ mieq_test_generate_events(500);
+
+ /* Tell us how many got dropped, 1024 now */
+ mieqProcessInputEvents();
+
+ /* Now make it 2048 */
+ mieq_test_generate_events(900);
+ mieqProcessInputEvents();
+
+ /* Now make it 4096 (max) */
+ mieq_test_generate_events(1950);
+ mieqProcessInputEvents();
+
+ /* Now overflow one last time with the maximal queue and reach the verbosity limit */
+ mieq_test_generate_events(10000);
+ mieqProcessInputEvents();
+
+ mieqFini();
+}
+
int main(int argc, char** argv)
{
dix_double_fp_conversion();
@@ -1610,6 +1678,7 @@ int main(int argc, char** argv)
dix_valuator_alloc();
dix_get_master();
input_option_test();
+ mieq_test();
return 0;
}
--
1.7.5.4
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