Able to read the document properties back now!

tests/auto/propscore/propscore.pro

@@ -0,0 +1,13 @@
+QT       += testlib xlsx xlsx-private
+CONFIG += testcase
+DEFINES += XLSX_TEST
+
+TARGET = tst_propscoretest
+CONFIG   += console
+CONFIG   -= app_bundle
+
+TEMPLATE = app
+
+
+SOURCES += tst_propscoretest.cpp
+DEFINES += SRCDIR=\\\"$$PWD/\\\"

tests/auto/propscore/tst_propscoretest.cpp

@@ -0,0 +1,45 @@
+#include "private/xlsxdocpropscore_p.h"
+#include <QString>
+#include <QtTest>
+#include <QFile>
+
+class DocPropsCoreTest : public QObject
+{
+    Q_OBJECT
+    
+public:
+    DocPropsCoreTest();
+    
+private Q_SLOTS:
+    void testCase1();
+};
+
+DocPropsCoreTest::DocPropsCoreTest()
+{
+}
+
+void DocPropsCoreTest::testCase1()
+{
+    QXlsx::DocPropsCore props;
+
+    props.setProperty("creator", "Debao");
+    props.setProperty("keywords", "Test, test, TEST");
+    props.setProperty("title", "ABC");
+
+    QFile f1("temp.xml");
+    f1.open(QFile::WriteOnly);
+    props.saveToXmlFile(&f1);
+    f1.close();
+
+    f1.open(QFile::ReadOnly);
+    QXlsx::DocPropsCore props2 = QXlsx::DocPropsCore::loadFromXmlFile(&f1);
+
+    QCOMPARE(props2.property("creator"), QString("Debao"));
+    QCOMPARE(props2.property("keywords"), QString("Test, test, TEST"));
+    QCOMPARE(props2.property("title"), QString("ABC"));
+    QFile::remove("temp.xml");
+}
+
+QTEST_APPLESS_MAIN(DocPropsCoreTest)
+
+#include "tst_propscoretest.moc"