Gijs Vermeulen : wbemprox/tests: Add IEnumWbemClassObject::Next() tests.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 2cc89668fe94eed4d73773b77d1e693cf3623a4d
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=2cc89668fe94eed4d73773b77...

Author: Gijs Vermeulen <gijsvrm(a)gmail.com>
Date:   Tue Jul 28 11:35:07 2020 +0200

wbemprox/tests: Add IEnumWbemClassObject::Next() tests.

Signed-off-by: Gijs Vermeulen <gijsvrm(a)gmail.com>
Signed-off-by: Hans Leidekker <hans(a)codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard(a)winehq.org>

---

 dlls/wbemprox/tests/query.c | 66 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 66 insertions(+)

diff --git a/dlls/wbemprox/tests/query.c b/dlls/wbemprox/tests/query.c
index 73740f18c8..e99e221c30 100644
--- a/dlls/wbemprox/tests/query.c
+++ b/dlls/wbemprox/tests/query.c
@@ -25,6 +25,7 @@
 #include "initguid.h"
 #include "objidl.h"
 #include "wbemcli.h"
+#include "wine/heap.h"
 #include "wine/test.h"
 
 static HRESULT exec_query( IWbemServices *services, const WCHAR *str, IEnumWbemClassObject **result )
@@ -158,6 +159,70 @@ static void test_associators( IWbemServices *services )
     }
 }
 
+static void test_IEnumWbemClassObject_Next( IWbemServices *services )
+{
+    BSTR wql = SysAllocString( L"wql" ), query = SysAllocString( L"SELECT * FROM Win32_IP4RouteTable" );
+    IWbemClassObject **obj, *obj1;
+    IEnumWbemClassObject *result;
+    DWORD count, num_objects = 0;
+    HRESULT hr;
+    int i;
+
+    hr = IWbemServices_ExecQuery( services, wql, query, 0, NULL, &result );
+    ok( hr == S_OK, "got %08x\n", hr );
+
+    count = 2;
+    hr = IEnumWbemClassObject_Next( result, 10000, 1, NULL, &count );
+    ok( hr == WBEM_E_INVALID_PARAMETER, "got %08x\n", hr );
+    ok( count == 2, "expected 0, got %u\n", count );
+
+    hr = IEnumWbemClassObject_Next( result, 10000, 1, &obj1, NULL );
+    ok( hr == WBEM_E_INVALID_PARAMETER, "got %08x\n", hr );
+
+    count = 2;
+    hr = IEnumWbemClassObject_Next( result, 10000, 0, &obj1, &count );
+    todo_wine ok( hr == S_OK, "got %08x\n", hr );
+    todo_wine ok( count == 0, "expected 0, got %u\n", count );
+
+    for (;;)
+    {
+        hr = IEnumWbemClassObject_Next( result, 10000, 1, &obj1, &count );
+        if (hr != S_OK) break;
+        num_objects++;
+        IWbemClassObject_Release(obj1);
+    }
+
+    hr = IEnumWbemClassObject_Reset( result );
+    ok( hr == S_OK, "got %08x\n", hr );
+
+    obj = heap_alloc( num_objects * sizeof( IWbemClassObject * ) );
+
+    count = 0;
+    hr = IEnumWbemClassObject_Next( result, 10000, num_objects, obj, &count );
+    todo_wine ok( hr == S_OK, "got %08x\n", hr );
+    todo_wine ok( count == num_objects, "expected %u, got %u\n", num_objects, count );
+
+    for (i = 0; i < count; i++)
+        IWbemClassObject_Release( obj[i] );
+
+    hr = IEnumWbemClassObject_Reset( result );
+    ok( hr == S_OK, "got %08x\n", hr );
+
+    count = 0;
+    hr = IEnumWbemClassObject_Next( result, 10000, num_objects + 1, obj, &count );
+    todo_wine ok( hr == S_FALSE, "got %08x\n", hr );
+    todo_wine ok( count == num_objects, "expected %u, got %u\n", num_objects, count );
+
+    for (i = 0; i < count; i++)
+        IWbemClassObject_Release( obj[i] );
+
+    heap_free( obj );
+
+    IEnumWbemClassObject_Release( result );
+    SysFreeString( query );
+    SysFreeString( wql );
+}
+
 static void _check_property( ULONG line, IWbemClassObject *obj, const WCHAR *prop, VARTYPE vartype, CIMTYPE cimtype )
 {
     CIMTYPE type = 0xdeadbeef;
@@ -1636,6 +1701,7 @@ START_TEST(query)
     ok( hr == S_OK, "failed to set proxy blanket %08x\n", hr );
 
     test_GetNames( services );
+    test_IEnumWbemClassObject_Next( services );
     test_associators( services );
     test_notification_query_async( services );
     test_query_async( services );