qt 6.5.1 original

tests/auto/other/qprocess_and_guieventloop/write-read-write/CMakeLists.txt

@@ -0,0 +1,12 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: BSD-3-Clause
+
+#####################################################################
+## write-read-write Binary:
+#####################################################################
+
+qt_internal_add_executable(write-read-write
+    OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/"
+    SOURCES
+        main.cpp
+)

tests/auto/other/qprocess_and_guieventloop/write-read-write/main.cpp

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+// Copyright (C) 2016 Intel Corporation.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+#include <stdio.h>
+
+int main(int, char **argv)
+{
+    const char *msg = argv[1];
+    char buf[2];
+
+    puts(msg);
+    fflush(stdout);
+
+    // wait for a newline
+    const char *result = fgets(buf, sizeof buf, stdin);
+    if (result != buf)
+        return -1;
+
+    puts(msg);
+    fflush(stdout);
+    return 0;
+}