QCommandLineParser: add support for hiding options from --help.

[ChangeLog][QtCore][QCommandLineParser] Added support for hiding options
from the --help output, with QCommandLineOption::setHidden(true).

Task-number: QTBUG-44298
Change-Id: I62cc2a55428365c0bcc79d2e47c72c0c92104e74
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/tests/auto/corelib/tools/qcommandlineparser/testhelper/qcommandlineparser_test_helper.cpp b/tests/auto/corelib/tools/qcommandlineparser/testhelper/qcommandlineparser_test_helper.cpp
index 7b1b7ce963..6e09ebb09b 100644
--- a/tests/auto/corelib/tools/qcommandlineparser/testhelper/qcommandlineparser_test_helper.cpp
+++ b/tests/auto/corelib/tools/qcommandlineparser/testhelper/qcommandlineparser_test_helper.cpp
@@ -73,6 +73,12 @@ int main(int argc, char *argv[])
                 "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz"));
     parser.addOption(newlineOption);
 
+    // A hidden option
+    QCommandLineOption hiddenOption(QStringList() << QStringLiteral("hidden"));
+    hiddenOption.setDescription(QStringLiteral("THIS SHOULD NEVER APPEAR"));
+    hiddenOption.setHidden(true);
+    parser.addOption(hiddenOption);
+
     // This program supports different options depending on the "command" (first argument).
     // Call parse() to find out the positional arguments.
     parser.parse(QCoreApplication::arguments());