Refactor QXlsx::Styles and QXlsx::Format

tests/auto/auto.pro

@@ -7,4 +7,5 @@ SUBDIRS=\
     propscore \
     propsapp \
     readdocument \
-    sharedstrings
+    sharedstrings \
+    styles

tests/auto/styles/styles.pro

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

tests/auto/styles/tst_stylestest.cpp

@@ -0,0 +1,46 @@
+#include "private/xlsxstyles_p.h"
+#include "xlsxformat.h"
+#include <QString>
+#include <QtTest>
+
+class StylesTest : public QObject
+{
+    Q_OBJECT
+
+public:
+    StylesTest();
+
+private Q_SLOTS:
+    void testEmptyStyle();
+    void testAddFormat();
+};
+
+StylesTest::StylesTest()
+{
+}
+
+void StylesTest::testEmptyStyle()
+{
+    QXlsx::Styles styles;
+    QByteArray xmlData = styles.saveToXmlData();
+
+    QVERIFY2(xmlData.contains("<cellXfs count=\"1\"><xf numFmtId=\"0\" fontId=\"0\" fillId=\"0\" borderId=\"0\" xfId=\"0\"/></cellXfs>"), "Must have one cell style");
+}
+
+void StylesTest::testAddFormat()
+{
+    QXlsx::Styles styles;
+
+    for (int i=0; i<10; ++i) {
+        QXlsx::Format *format = styles.createFormat();
+        format->setFontBold(true);
+        styles.addFormat(format);
+    }
+
+    QByteArray xmlData = styles.saveToXmlData();
+    QVERIFY2(xmlData.contains("<cellXfs count=\"2\">"), ""); //Note we have a default one
+}
+
+QTEST_APPLESS_MAIN(StylesTest)
+
+#include "tst_stylestest.moc"