Tests: Add CatchShow helper for CMake GUI tests

1 files changed, 49 insertions, 0 deletions

diff --git a/Tests/CMakeGUI/CatchShowTest.cxx b/Tests/CMakeGUI/CatchShowTest.cxx
new file mode 100644
index 0000000..acea8ea
--- /dev/null
+++ b/Tests/CMakeGUI/CatchShowTest.cxx
@@ -0,0 +1,49 @@
+/* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
+   file Copyright.txt or https://cmake.org/licensing for details.  */
+#include "CatchShowTest.h"
+
+#include <QMessageBox>
+#include <QtTest>
+
+#include "CatchShow.h"
+
+CatchShowTest::CatchShowTest(QObject* parent)
+  : QObject(parent)
+{
+}
+
+void CatchShowTest::catchShow()
+{
+  bool have = false;
+  CatchShow catcher;
+  catcher.setCallback<QMessageBox>([&have](QMessageBox* box) {
+    have = true;
+    box->accept();
+  });
+
+  QCOMPARE(catcher.count(), 0);
+  QCOMPARE(have, false);
+
+  {
+    QDialog dialog;
+    dialog.show();
+    QCOMPARE(catcher.count(), 0);
+    QCOMPARE(have, false);
+  }
+
+  {
+    have = false;
+    QMessageBox::critical(nullptr, "Error", "This is an error");
+    QCOMPARE(catcher.count(), 1);
+    QCOMPARE(have, true);
+  }
+
+  {
+    have = false;
+    QMessageBox::information(nullptr, "Info", "This is information");
+    QCOMPARE(catcher.count(), 2);
+    QCOMPARE(have, true);
+  }
+}
+
+QTEST_MAIN(CatchShowTest)