Advance Wayland and KDE package bring-up

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

local/recipes/kde/kf6-kcodecs/source/autotests/kcharsetstest.cpp

@@ -0,0 +1,69 @@
+/*
+    SPDX-FileCopyrightText: 2011 Romain Perier <bambi@kubuntu.org>
+
+    SPDX-License-Identifier: GPL-2.0-or-later
+*/
+
+#include "kcharsetstest.h"
+
+#include "kcharsets_p.h"
+#include <QDebug>
+#include <QString>
+#include <QTest>
+#include <kcharsets.h>
+
+static bool encodingNameHasADescription(const QString &encodingName, const QStringList &descriptions)
+{
+    return std::any_of(descriptions.cbegin(), descriptions.cend(), [&encodingName](const QString &description) {
+        return description.contains(encodingName);
+    });
+}
+
+void KCharsetsTest::testSingleton()
+{
+    QVERIFY(KCharsets::charsets() != nullptr);
+    QCOMPARE(KCharsets::charsets(), KCharsets::charsets());
+}
+
+void KCharsetsTest::testFromEntity()
+{
+    KCharsets *singleton = KCharsets::charsets();
+
+    QCOMPARE(singleton->fromEntity(QString::fromLatin1("&#1234")), QChar(1234));
+    QCOMPARE(singleton->fromEntity(QString::fromLatin1("&#x1234")), QChar(0x1234));
+    QCOMPARE(singleton->fromEntity(QString::fromLatin1("lt")), QChar::fromLatin1('<'));
+    QCOMPARE(singleton->fromEntity(QString::fromLatin1("gt")), QChar::fromLatin1('>'));
+    QCOMPARE(singleton->fromEntity(QString::fromLatin1("quot")), QChar::fromLatin1('"'));
+    QCOMPARE(singleton->fromEntity(QString::fromLatin1("amp")), QChar::fromLatin1('&'));
+    QCOMPARE(singleton->fromEntity(QString::fromLatin1("apos")), QChar::fromLatin1('\''));
+}
+
+void KCharsetsTest::testToEntity()
+{
+    QSKIP("KCharsets::toEntity test not implemented.");
+}
+
+void KCharsetsTest::testResolveEntities()
+{
+    KCharsets *singleton = KCharsets::charsets();
+
+    QCOMPARE(singleton->resolveEntities(QString::fromLatin1("&quot;&apos;&lt;Hello &amp;World&gt;&apos;&quot;")),
+             QString::fromLatin1("\"\'<Hello &World>\'\""));
+}
+
+void KCharsetsTest::testEncodingNames()
+{
+    KCharsets *singleton = KCharsets::charsets();
+
+    QCOMPARE(singleton->availableEncodingNames().count(), singleton->descriptiveEncodingNames().count());
+
+    for (const QString &encodingName : singleton->availableEncodingNames()) {
+        QVERIFY(encodingNameHasADescription(encodingName, singleton->descriptiveEncodingNames()));
+        QVERIFY(!singleton->descriptionForEncoding(encodingName).isEmpty());
+        QCOMPARE(singleton->encodingForName(singleton->descriptionForEncoding(encodingName)), encodingName);
+    }
+}
+
+QTEST_MAIN(KCharsetsTest)
+
+#include "moc_kcharsetstest.cpp"