[PATCH 6/8] setupapi/tests: Add more SetupDiCreateDeviceInfo() tests.

[Zhiyi Zhang]

SetupDiCreateDeviceInfo() should report last error
ERROR_DEVINST_ALREADY_EXISTS when an registered instance exists
when creating a device for an empty set.

Signed-off-by: Zhiyi Zhang 
---
 dlls/setupapi/tests/devinst.c | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/dlls/setupapi/tests/devinst.c b/dlls/setupapi/tests/devinst.c
index 4285fe6fbe..dce06e62b9 100644
--- a/dlls/setupapi/tests/devinst.c
+++ b/dlls/setupapi/tests/devinst.c
@@ -212,6 +212,7 @@ static void test_device_info(void)
     char id[MAX_DEVICE_ID_LEN + 2];
     HDEVINFO set;
     BOOL ret;
+    INT i = 0;

SetLastError(0xdeadbeef);
     ret = SetupDiCreateDeviceInfoA(NULL, NULL, NULL, NULL, NULL, 0, NULL);
@@ -344,6 +345,31 @@ static void test_device_info(void)
     ok(ret, "Failed to create device, error %#x.\n", GetLastError());

SetupDiDestroyDeviceInfoList(set);
+
+    set = SetupDiCreateDeviceInfoList(&guid, NULL);
+    ok(set != INVALID_HANDLE_VALUE, "Failed to create device info list, error %#x.\n", GetLastError());
+    ret = SetupDiCreateDeviceInfoA(set, "Root\LEGACY_BOGUS\0000", &guid, NULL, NULL, 0, &device);
+    ok(ret, "Failed to create device, error %#x.\n", GetLastError());
+    ret = SetupDiRegisterDeviceInfo(set , &device, 0, NULL, NULL, NULL);
+    ok(ret, "Failed to register device, error %#x.\n", GetLastError());
+    check_device_info(set, 0, &guid, "ROOT\LEGACY_BOGUS\0000");
+    check_device_info(set, 1, NULL, NULL);
+    SetupDiDestroyDeviceInfoList(set);
+
+    set = SetupDiCreateDeviceInfoList(&guid, NULL);
+    ret = SetupDiCreateDeviceInfoA(set, "Root\LEGACY_BOGUS\0000", &guid, NULL, NULL, 0, &device);
+    todo_wine ok(!ret, "Expect failure\n");
+    todo_wine ok(GetLastError() == ERROR_DEVINST_ALREADY_EXISTS, "Got error %#x\n", GetLastError());
+    todo_wine check_device_info(set, 0, NULL, NULL);
+    SetupDiDestroyDeviceInfoList(set);
+
+    set = SetupDiGetClassDevsA(&guid, NULL, NULL, 0);
+    while (SetupDiEnumDeviceInfo(set, i++, &device))
+    {
+        ret = SetupDiRemoveDevice(set, &device);
+        ok(ret, "Failed to remove device, error %#x.\n", GetLastError());
+    }
+    SetupDiDestroyDeviceInfoList(set);
 }

static void test_device_property(void)