winhttp: Return default value for WINHTTP_OPTION_WORKER_THREAD_COUNT.

dlls/winhttp/session.c

@@ -1224,6 +1224,15 @@ static BOOL query_option( struct object_header *hdr, DWORD option, void *buffer,
 
     switch (option)
     {
+    case WINHTTP_OPTION_WORKER_THREAD_COUNT:
+    {
+        FIXME( "WINHTTP_OPTION_WORKER_THREAD_COUNT semi-stub.\n" );
+        if (!validate_buffer( buffer, buflen, sizeof(DWORD) )) return FALSE;
+
+        *(DWORD *)buffer = 0;
+        *buflen = sizeof(DWORD);
+        return TRUE;
+    }
     case WINHTTP_OPTION_CONTEXT_VALUE:
     {
         if (!validate_buffer( buffer, buflen, sizeof(DWORD_PTR) )) return FALSE;

dlls/winhttp/tests/winhttp.c

@@ -97,6 +97,15 @@ static void test_WinHttpQueryOption(void)
     feature = 0xdeadbeef;
     size = sizeof(feature) + 1;
     SetLastError(0xdeadbeef);
+    ret = WinHttpQueryOption(session, WINHTTP_OPTION_WORKER_THREAD_COUNT, &feature, &size);
+    ok(ret, "failed to query option %lu\n", GetLastError());
+    ok(GetLastError() == ERROR_SUCCESS, "got %lu\n", GetLastError());
+    ok(size == sizeof(feature), "WinHttpQueryOption should set the size: %lu\n", size);
+    ok(feature == 0, "got unexpected WINHTTP_OPTION_WORKER_THREAD_COUNT %#lx\n", feature);
+
+    feature = 0xdeadbeef;
+    size = sizeof(feature) + 1;
+    SetLastError(0xdeadbeef);
     ret = WinHttpQueryOption(session, WINHTTP_OPTION_REDIRECT_POLICY, &feature, &size);
     ok(ret, "failed to query option %lu\n", GetLastError());
     ok(GetLastError() == ERROR_SUCCESS || broken(GetLastError() == 0xdeadbeef) /* < win7 */,
@@ -168,6 +177,24 @@ static void test_WinHttpQueryOption(void)
     feature = 0xdeadbeef;
     size = sizeof(feature);
     SetLastError(0xdeadbeef);
+    ret = WinHttpQueryOption(connection, WINHTTP_OPTION_WORKER_THREAD_COUNT, &feature, &size);
+    ok(ret, "query WINHTTP_OPTION_WORKER_THREAD_COUNT failed for a request\n");
+    ok(GetLastError() == ERROR_SUCCESS, "got unexpected error %lu\n", GetLastError());
+    ok(size == sizeof(feature), "WinHttpQueryOption should set the size: %lu\n", size);
+    ok(feature == 0, "got unexpected WINHTTP_OPTION_WORKER_THREAD_COUNT %#lx\n", feature);
+
+    feature = 0xdeadbeef;
+    size = sizeof(feature);
+    SetLastError(0xdeadbeef);
+    ret = WinHttpQueryOption(request, WINHTTP_OPTION_WORKER_THREAD_COUNT, &feature, &size);
+    ok(ret, "query WINHTTP_OPTION_WORKER_THREAD_COUNT failed for a request\n");
+    ok(GetLastError() == ERROR_SUCCESS, "got unexpected error %lu\n", GetLastError());
+    ok(size == sizeof(feature), "WinHttpQueryOption should set the size: %lu\n", size);
+    ok(feature == 0, "got unexpected WINHTTP_OPTION_WORKER_THREAD_COUNT %#lx\n", feature);
+
+    feature = 0xdeadbeef;
+    size = sizeof(feature);
+    SetLastError(0xdeadbeef);
     ret = WinHttpQueryOption(request, WINHTTP_OPTION_DISABLE_FEATURE, &feature, &size);
     ok(!ret, "should fail to query disable feature for a request\n");
     ok(GetLastError() == ERROR_INVALID_PARAMETER,