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authorMarkus Armbruster <armbru@redhat.com>2018-08-06 08:53:35 +0200
committerMarkus Armbruster <armbru@redhat.com>2018-08-16 08:42:06 +0200
commit82cab70bd884a77fbe4e738725c32c88daca70d6 (patch)
tree0e121a24b1b8b3c55c8f1fe21b9dca6d60bfad84 /tests/libqos/usb.c
parent530e79a822b9a0336705f2b262546e843c4bf90b (diff)
tests: Clean up string interpolation around qtest_qmp_device_add()
Leaving interpolation into JSON to qmp() is more robust than building QMP input manually, as explained in the commit before previous. qtest_qmp_device_add() and its wrappers interpolate into JSON as follows: * qtest_qmp_device_add() interpolates members into a JSON object. * So do its wrappers qpci_plug_device_test() and usb_test_hotplug(). * usb_test_hotplug() additionally interpolates strings and numbers into JSON strings. Clean them up: * Have qtest_qmp_device_add() take its extra device properties as arguments for qdict_from_jsonf_nofail() instead of a string containing JSON members. * Drop qpci_plug_device_test(), use qtest_qmp_device_add() directly. * Change usb_test_hotplug() parameter @port to string, to avoid interpolation. Interpolate @hcd_id separately. Bonus: gets rid of a non-literal format string. A step towards compile-time format string checking without triggering -Wformat-nonliteral. Cc: Thomas Huth <thuth@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-Id: <20180806065344.7103-15-armbru@redhat.com>
Diffstat (limited to 'tests/libqos/usb.c')
-rw-r--r--tests/libqos/usb.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/tests/libqos/usb.c b/tests/libqos/usb.c
index 2a476049a8..49e2f4bc0a 100644
--- a/tests/libqos/usb.c
+++ b/tests/libqos/usb.c
@@ -37,13 +37,14 @@ void uhci_port_test(struct qhc *hc, int port, uint16_t expect)
g_assert((value & mask) == (expect & mask));
}
-void usb_test_hotplug(const char *hcd_id, const int port,
+void usb_test_hotplug(const char *hcd_id, const char *port,
void (*port_check)(void))
{
- char *id = g_strdup_printf("usbdev%d", port);
+ char *id = g_strdup_printf("usbdev%s", port);
+ char *bus = g_strdup_printf("%s.0", hcd_id);
- qtest_qmp_device_add("usb-tablet", id, "'port': '%d', 'bus': '%s.0'",
- port, hcd_id);
+ qtest_qmp_device_add("usb-tablet", id, "{'port': %s, 'bus': %s}",
+ port, bus);
if (port_check) {
port_check();
@@ -51,5 +52,6 @@ void usb_test_hotplug(const char *hcd_id, const int port,
qtest_qmp_device_del(id);
+ g_free(bus);
g_free(id);
}