diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/unit-test/test/device/usbd/test_usbd.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/test/unit-test/test/device/usbd/test_usbd.c b/test/unit-test/test/device/usbd/test_usbd.c index 935a20221..849097326 100644 --- a/test/unit-test/test/device/usbd/test_usbd.c +++ b/test/unit-test/test/device/usbd/test_usbd.c @@ -29,6 +29,7 @@ #include "tusb_fifo.h" #include "tusb.h" #include "usbd.h" +#include "device/usbd_pvt.h" TEST_SOURCE_FILE("usbd.c") // Mock File @@ -309,6 +310,52 @@ void test_usbd_setup_dropped_by_full_queue_recovers(void) } //--------------------------------------------------------------------+ +// Transfer completion dropped by full event queue +//--------------------------------------------------------------------+ + +// When the event queue is full, queue_event() drops the XFER_COMPLETE event. The endpoint's +// busy/claimed state must not survive the dropped completion: a leaked BUSY makes every later +// usbd_edpt_claim()/usbd_edpt_xfer() on that endpoint fail, so the class never re-arms it. +void test_usbd_xfer_complete_dropped_by_full_queue_recovers(void) +{ + // fillers drain through usbd_reset -> class reset + mscd_reset_Ignore(); + + // open + claim + arm a bulk OUT endpoint the way a class driver would + tusb_desc_endpoint_t desc_ep = { + .bLength = sizeof(tusb_desc_endpoint_t), + .bDescriptorType = TUSB_DESC_ENDPOINT, + .bEndpointAddress = 0x01, + .bmAttributes = { .xfer = TUSB_XFER_BULK }, + .wMaxPacketSize = 64, + .bInterval = 0 + }; + static uint8_t xfer_buf[64]; + + dcd_edpt_open_ExpectAndReturn(rhport, &desc_ep, true); + TEST_ASSERT_TRUE(usbd_edpt_open(rhport, &desc_ep)); + TEST_ASSERT_TRUE(usbd_edpt_claim(rhport, 0x01)); + dcd_edpt_xfer_ExpectAndReturn(rhport, 0x01, xfer_buf, 64, false, true); + TEST_ASSERT_TRUE(usbd_edpt_xfer(rhport, 0x01, xfer_buf, 64, false)); + + // fill the queue to the brim, then complete the transfer: queue_event() drops it + for (unsigned i = 0; i < CFG_TUD_TASK_QUEUE_SZ; i++) { + dcd_event_bus_signal(rhport, DCD_EVENT_UNPLUGGED, false); + } + dcd_event_xfer_complete(rhport, 0x01, 64, XFER_RESULT_SUCCESS, false); + + // the endpoint must be re-armable: the dropped completion must not leak busy/claimed + TEST_ASSERT_TRUE(usbd_edpt_claim(rhport, 0x01)); + dcd_edpt_xfer_ExpectAndReturn(rhport, 0x01, xfer_buf, 64, false, true); + TEST_ASSERT_TRUE(usbd_edpt_xfer(rhport, 0x01, xfer_buf, 64, false)); + + // drain the fillers so later tests start from an empty queue + for (unsigned i = 0; i < (CFG_TUD_TASK_QUEUE_SZ / CFG_TUD_TASK_EVENTS_PER_RUN) + 1; i++) { + tud_task(); + } +} + +//--------------------------------------------------------------------+ // Control OUT data stage host overrun //--------------------------------------------------------------------+ |