Add tests that 'usb tree' produces the right output when a device changes order on the bus.
Signed-off-by: Simon Glass sjg@chromium.org ---
Changes in v2: None
test/dm/usb.c | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+)
diff --git a/test/dm/usb.c b/test/dm/usb.c index 721d3ad..fb193e8 100644 --- a/test/dm/usb.c +++ b/test/dm/usb.c @@ -208,3 +208,53 @@ static int dm_test_usb_tree_remove(struct unit_test_state *uts) return 0; } DM_TEST(dm_test_usb_tree_remove, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); + +const char usb_tree_reorder[] = +" 1 Hub (12 Mb/s, 100mA)\n" +" | sandbox hub 2345\n" +" |\n" +" |\b+-2 Mass Storage (12 Mb/s, 100mA)\n" +" | sandbox flash flash-stick@0\n" +" | \n" +" |\b+-3 Mass Storage (12 Mb/s, 100mA)\n" +" | sandbox flash flash-stick@2\n" +" | \n" +" |\b+-4 Mass Storage (12 Mb/s, 100mA)\n" +" sandbox flash flash-stick@1\n" +" \n"; + +/* + * test that the 'usb tree' command output looks correct when we reorder two + * devices. + */ +static int dm_test_usb_tree_reorder(struct unit_test_state *uts) +{ + struct udevice *dev, *parent; + char *data; + int len; + + /* Remove the second emulation device */ + ut_assertok(uclass_find_device_by_name(UCLASS_USB_EMUL, "flash-stick@1", + &dev)); + parent = dev->parent; + + /* Reorder the devices in the parent list and uclass list */ + list_del(&dev->sibling_node); + list_add_tail(&dev->sibling_node, &parent->child_head); + + list_del(&dev->uclass_node); + list_add_tail(&dev->uclass_node, &dev->uclass->dev_head); + + state_set_skip_delays(true); + ut_assertok(usb_init()); + console_record_reset_enable(); + usb_show_tree(); + len = membuff_getraw(&gd->console_out, -1, true, &data); + if (len) + data[len] = '\0'; + ut_asserteq_str(usb_tree_reorder, data); + ut_assertok(usb_stop()); + + return 0; +} +DM_TEST(dm_test_usb_tree_reorder, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);