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Branched from the monolithic repo, Qt master branch, at commit
896db169ea224deb96c59ce8af800d019de63f12

1 files changed, 1243 insertions, 0 deletions

diff --git a/tests/auto/qtextscriptengine/tst_qtextscriptengine.cpp b/tests/auto/qtextscriptengine/tst_qtextscriptengine.cpp
new file mode 100644
index 0000000000..1952796667
--- /dev/null
+++ b/tests/auto/qtextscriptengine/tst_qtextscriptengine.cpp
@@ -0,0 +1,1243 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+
+
+#ifdef Q_WS_X11
+#define private public
+#endif
+
+// cannot do private -> public on windows since it seems to mess up some stl headers
+#include <qfont.h>
+
+#ifdef Q_WS_X11
+#undef private
+#endif
+
+#include <QtTest/QtTest>
+
+
+
+#if defined(Q_WS_X11) || defined(Q_WS_MAC)
+#define private public
+#include <private/qtextengine_p.h>
+#include <qtextlayout.h>
+#undef private
+#else
+#include <private/qtextengine_p.h>
+#include <qtextlayout.h>
+#endif
+
+#include <qfontdatabase.h>
+#include <qfontinfo.h>
+
+
+
+
+
+//TESTED_CLASS=
+//TESTED_FILES= gui/text/qscriptengine.cpp
+
+// This test depends on the fonts in the following package being installed:
+// http://people.freedesktop.org/~hausmann/harfbuzz-test-fonts-0.1.tar.bz2
+
+class tst_QTextScriptEngine : public QObject
+{
+Q_OBJECT
+
+public:
+    tst_QTextScriptEngine();
+    virtual ~tst_QTextScriptEngine();
+
+
+public slots:
+    void init();
+    void cleanup();
+private slots:
+    void devanagari();
+    void bengali();
+    void gurmukhi();
+    // gujarati missing
+    void oriya();
+    void tamil();
+    void telugu();
+    void kannada();
+    void malayalam();
+    void sinhala();
+    void greek();
+
+    void khmer();
+    void linearB();
+    void controlInSyllable_qtbug14204();
+    void combiningMarks_qtbug15675();
+
+    void mirroredChars_data();
+    void mirroredChars();
+};
+
+tst_QTextScriptEngine::tst_QTextScriptEngine()
+{
+}
+
+tst_QTextScriptEngine::~tst_QTextScriptEngine()
+{
+}
+
+void tst_QTextScriptEngine::init()
+{
+}
+
+void tst_QTextScriptEngine::cleanup()
+{
+}
+
+struct ShapeTable {
+    unsigned short unicode[16];
+    unsigned short glyphs[16];
+};
+
+#if defined(Q_WS_X11)
+static bool shaping( const QFont &f, const ShapeTable *s)
+{
+    QString str = QString::fromUtf16( s->unicode );
+    QTextLayout layout(str, f);
+    QTextEngine *e = layout.d;
+    e->itemize();
+    e->shape(0);
+
+    int nglyphs = 0;
+    const unsigned short *g = s->glyphs;
+    while ( *g ) {
+	nglyphs++;
+	g++;
+    }
+
+    if( nglyphs != e->layoutData->items[0].num_glyphs )
+	goto error;
+
+    for (int i = 0; i < nglyphs; ++i) {
+	if ((e->layoutData->glyphLayout.glyphs[i] & 0xffffff) != s->glyphs[i])
+	    goto error;
+    }
+    return true;
+ error:
+    str = "";
+    const unsigned short *uc = s->unicode;
+    while (*uc) {
+	str += QString("%1 ").arg(*uc, 4, 16);
+	++uc;
+    }
+    qDebug("%s: shaping of string %s failed, nglyphs=%d, expected %d",
+           f.family().toLatin1().constData(),
+           str.toLatin1().constData(),
+           e->layoutData->items[0].num_glyphs, nglyphs);
+
+    str = "";
+    int i = 0;
+    while (i < e->layoutData->items[0].num_glyphs) {
+	str += QString("%1 ").arg(e->layoutData->glyphLayout.glyphs[i], 4, 16);
+	++i;
+    }
+    qDebug("    glyph result = %s", str.toLatin1().constData());
+    return false;
+}
+#endif
+
+void tst_QTextScriptEngine::devanagari()
+{
+#if defined(Q_WS_X11)
+    {
+        if (QFontDatabase().families(QFontDatabase::Devanagari).contains("Raghindi")) {
+            QFont f("Raghindi");
+	    const ShapeTable shape_table [] = {
+		// Ka
+		{ { 0x0915, 0x0 },
+		  { 0x0080, 0x0 } },
+		// Ka Halant
+		{ { 0x0915, 0x094d, 0x0 },
+		  { 0x0080, 0x0051, 0x0 } },
+		// Ka Halant Ka
+		{ { 0x0915, 0x094d, 0x0915, 0x0 },
+		  { 0x00c8, 0x0080, 0x0 } },
+		// Ka MatraI
+		{ { 0x0915, 0x093f, 0x0 },
+		  { 0x01d1, 0x0080, 0x0 } },
+		// Ra Halant Ka
+		{ { 0x0930, 0x094d, 0x0915, 0x0 },
+		  { 0x0080, 0x005b, 0x0 } },
+		// Ra Halant Ka MatraI
+		{ { 0x0930, 0x094d, 0x0915, 0x093f, 0x0 },
+		  { 0x01d1, 0x0080, 0x005b, 0x0 } },
+		// MatraI
+		{ { 0x093f, 0x0 },
+		  { 0x01d4, 0x029c, 0x0 } },
+		// Ka Nukta
+		{ { 0x0915, 0x093c, 0x0 },
+		  { 0x00a4, 0x0 } },
+		// Ka Halant Ra
+		{ { 0x0915, 0x094d, 0x0930, 0x0 },
+		  { 0x0110, 0x0 } },
+		// Ka Halant Ra Halant Ka
+		{ { 0x0915, 0x094d, 0x0930, 0x094d, 0x0915, 0x0 },
+		  { 0x0158, 0x0080, 0x0 } },
+		{ { 0x0930, 0x094d, 0x200d, 0x0 },
+		  { 0x00e2, 0x0 } },
+		{ { 0x0915, 0x094d, 0x0930, 0x094d, 0x200d, 0x0 },
+		  { 0x0158, 0x0 } },
+
+		{ {0}, {0} }
+	    };
+
+
+	    const ShapeTable *s = shape_table;
+	    while (s->unicode[0]) {
+		QVERIFY( shaping(f, s) );
+		++s;
+	    }
+	} else {
+	    QSKIP("couln't find Raghindi", SkipAll);
+	}
+    }
+
+    {
+        if (QFontDatabase().families(QFontDatabase::Devanagari).contains("Mangal")) {
+            QFont f("Mangal");
+	    const ShapeTable shape_table [] = {
+		// Ka
+		{ { 0x0915, 0x0 },
+		  { 0x0080, 0x0 } },
+		// Ka Halant
+		{ { 0x0915, 0x094d, 0x0 },
+		  { 0x0080, 0x0051, 0x0 } },
+		// Ka Halant Ka
+		{ { 0x0915, 0x094d, 0x0915, 0x0 },
+		  { 0x00c8, 0x0080, 0x0 } },
+		// Ka MatraI
+		{ { 0x0915, 0x093f, 0x0 },
+		  { 0x01d1, 0x0080, 0x0 } },
+		// Ra Halant Ka
+		{ { 0x0930, 0x094d, 0x0915, 0x0 },
+		  { 0x0080, 0x005b, 0x0 } },
+		// Ra Halant Ka MatraI
+		{ { 0x0930, 0x094d, 0x0915, 0x093f, 0x0 },
+		  { 0x01d1, 0x0080, 0x005b, 0x0 } },
+		// MatraI
+		{ { 0x093f, 0x0 },
+		  { 0x01d4, 0x029c, 0x0 } },
+		// Ka Nukta
+		{ { 0x0915, 0x093c, 0x0 },
+		  { 0x00a4, 0x0 } },
+		// Ka Halant Ra
+		{ { 0x0915, 0x094d, 0x0930, 0x0 },
+		  { 0x0110, 0x0 } },
+		// Ka Halant Ra Halant Ka
+		{ { 0x0915, 0x094d, 0x0930, 0x094d, 0x0915, 0x0 },
+		  { 0x0158, 0x0080, 0x0 } },
+
+                { { 0x92b, 0x94d, 0x930, 0x0 },
+                  { 0x125, 0x0 } },
+                { { 0x92b, 0x93c, 0x94d, 0x930, 0x0 },
+                  { 0x149, 0x0 } }, 
+		{ {0}, {0} }
+	    };
+
+	    const ShapeTable *s = shape_table;
+	    while (s->unicode[0]) {
+		QVERIFY( shaping(f, s) );
+		++s;
+	    }
+	} else {
+	    QSKIP("couldn't find mangal", SkipAll);
+	}
+    }
+#else
+    QSKIP("X11 specific test", SkipAll);
+#endif
+}
+
+void tst_QTextScriptEngine::bengali()
+{
+#if defined(Q_WS_X11)
+    {
+        if (QFontDatabase().families(QFontDatabase::Bengali).contains("Akaash")) {
+            QFont f("Akaash");
+	    const ShapeTable shape_table [] = {
+		// Ka
+		{ { 0x0995, 0x0 },
+		  { 0x0151, 0x0 } },
+		// Ka Halant
+		{ { 0x0995, 0x09cd, 0x0 },
+		  { 0x0151, 0x017d, 0x0 } },
+		// Ka Halant Ka
+		{ { 0x0995, 0x09cd, 0x0995, 0x0 },
+		  { 0x019b, 0x0 } },
+		// Ka MatraI
+		{ { 0x0995, 0x09bf, 0x0 },
+		  { 0x0173, 0x0151, 0x0 } },
+		// Ra Halant Ka
+		{ { 0x09b0, 0x09cd, 0x0995, 0x0 },
+		  { 0x0151, 0x0276, 0x0 } },
+		// Ra Halant Ka MatraI
+		{ { 0x09b0, 0x09cd, 0x0995, 0x09bf, 0x0 },
+		  { 0x0173, 0x0151, 0x0276, 0x0 } },
+		// Ka Nukta
+		{ { 0x0995, 0x09bc, 0x0 },
+		  { 0x0151, 0x0171, 0x0 } },
+		// Ka Halant Ra
+		{ { 0x0995, 0x09cd, 0x09b0, 0x0 },
+		  { 0x01f4, 0x0 } },
+		// Ka Halant Ra Halant Ka
+		{ { 0x0995, 0x09cd, 0x09b0, 0x09cd, 0x0995, 0x0 },
+		  { 0x025c, 0x0276, 0x0151, 0x0 } },
+		// Ya + Halant
+		{ { 0x09af, 0x09cd, 0x0 },
+		  { 0x016a, 0x017d, 0x0 } },
+		// Da Halant Ya -> Da Ya-Phala
+		{ { 0x09a6, 0x09cd, 0x09af, 0x0 },
+		  { 0x01e5, 0x0 } },
+		// A Halant Ya -> A Ya-phala
+		{ { 0x0985, 0x09cd, 0x09af, 0x0 },
+		  { 0x0145, 0x01cf, 0x0 } },
+		// Na Halant Ka
+		{ { 0x09a8, 0x09cd, 0x0995, 0x0 },
+		  { 0x026f, 0x0151, 0x0 } },
+		// Na Halant ZWNJ Ka
+		{ { 0x09a8, 0x09cd, 0x200c, 0x0995, 0x0 },
+		  { 0x0164, 0x017d, 0x0151, 0x0 } },
+		// Na Halant ZWJ Ka
+		{ { 0x09a8, 0x09cd, 0x200d, 0x0995, 0x0 },
+		  { 0x026f, 0x0151, 0x0 } },
+		// Ka Halant ZWNJ Ka
+		{ { 0x0995, 0x09cd, 0x200c, 0x0995, 0x0 },
+		  { 0x0151, 0x017d, 0x0151, 0x0 } },
+		// Ka Halant ZWJ Ka
+		{ { 0x0995, 0x09cd, 0x200d, 0x0995, 0x0 },
+		  { 0x025c, 0x0151, 0x0 } },
+		// Na Halant Ra
+		{ { 0x09a8, 0x09cd, 0x09b0, 0x0 },
+		  { 0x0207, 0x0 } },
+		// Na Halant ZWNJ Ra
+		{ { 0x09a8, 0x09cd, 0x200c, 0x09b0, 0x0 },
+		  { 0x0164, 0x017d, 0x016b, 0x0 } },
+		// Na Halant ZWJ Ra
+		{ { 0x09a8, 0x09cd, 0x200d, 0x09b0, 0x0 },
+		  { 0x026f, 0x016b, 0x0 } },
+		// Na Halant Ba
+		{ { 0x09a8, 0x09cd, 0x09ac, 0x0 },
+		  { 0x022f, 0x0 } },
+		// Na Halant ZWNJ Ba
+		{ { 0x09a8, 0x09cd, 0x200c, 0x09ac, 0x0 },
+		  { 0x0164, 0x017d, 0x0167, 0x0 } },
+		// Na Halant ZWJ Ba
+		{ { 0x09a8, 0x09cd, 0x200d, 0x09ac, 0x0 },
+		  { 0x026f, 0x0167, 0x0 } },
+		// Na Halant Dha
+		{ { 0x09a8, 0x09cd, 0x09a7, 0x0 },
+		  { 0x01d3, 0x0 } },
+		// Na Halant ZWNJ Dha
+		{ { 0x09a8, 0x09cd, 0x200c, 0x09a7, 0x0 },
+		  { 0x0164, 0x017d, 0x0163, 0x0 } },
+		// Na Halant ZWJ Dha
+		{ { 0x09a8, 0x09cd, 0x200d, 0x09a7, 0x0 },
+		  { 0x026f, 0x0163, 0x0 } },
+		// Ra Halant Ka MatraAU
+		{ { 0x09b0, 0x09cd, 0x0995, 0x09cc, 0x0 },
+		  { 0x0179, 0x0151, 0x0276, 0x017e, 0x0 } },
+		// Ra Halant Ba Halant Ba
+		{ { 0x09b0, 0x09cd, 0x09ac, 0x09cd, 0x09ac, 0x0 },
+		  { 0x0232, 0x0276, 0x0 } },
+                { { 0x9b0, 0x9cd, 0x995, 0x9be, 0x982, 0x0 },
+                  { 0x151, 0x276, 0x172, 0x143, 0x0 } },
+                { { 0x9b0, 0x9cd, 0x995, 0x9be, 0x983, 0x0 },
+                  { 0x151, 0x276, 0x172, 0x144, 0x0 } }, 
+                // test decomposed two parts matras
+                { { 0x995, 0x9c7, 0x9be, 0x0 },
+                  { 0x179, 0x151, 0x172, 0x0 } },
+                { { 0x995, 0x9c7, 0x9d7, 0x0 },
+                  { 0x179, 0x151, 0x17e, 0x0 } },
+		{ {0}, {0} }
+	    };
+
+
+	    const ShapeTable *s = shape_table;
+	    while (s->unicode[0]) {
+		QVERIFY( shaping(f, s) );
+		++s;
+	    }
+	} else {
+	    QSKIP("couln't find Akaash", SkipAll);
+	}
+    }
+    {
+        if (QFontDatabase().families(QFontDatabase::Bengali).contains("Mukti Narrow")) {
+            QFont f("Mukti Narrow");
+	    const ShapeTable shape_table [] = {
+		// Ka
+		{ { 0x0995, 0x0 },
+		  { 0x0073, 0x0 } },
+		// Ka Halant
+		{ { 0x0995, 0x09cd, 0x0 },
+		  { 0x00b9, 0x0 } },
+		// Ka Halant Ka
+		{ { 0x0995, 0x09cd, 0x0995, 0x0 },
+		  { 0x0109, 0x0 } },
+		// Ka MatraI
+		{ { 0x0995, 0x09bf, 0x0 },
+		  { 0x0095, 0x0073, 0x0 } },
+		// Ra Halant Ka
+		{ { 0x09b0, 0x09cd, 0x0995, 0x0 },
+		  { 0x0073, 0x00e1, 0x0 } },
+		// Ra Halant Ka MatraI
+		{ { 0x09b0, 0x09cd, 0x0995, 0x09bf, 0x0 },
+		  { 0x0095, 0x0073, 0x00e1, 0x0 } },
+		// MatraI
+ 		{ { 0x09bf, 0x0 },
+		  { 0x0095, 0x01c8, 0x0 } },
+		// Ka Nukta
+		{ { 0x0995, 0x09bc, 0x0 },
+		  { 0x0073, 0x0093, 0x0 } },
+		// Ka Halant Ra
+		{ { 0x0995, 0x09cd, 0x09b0, 0x0 },
+		  { 0x00e5, 0x0 } },
+		// Ka Halant Ra Halant Ka
+                { { 0x995, 0x9cd, 0x9b0, 0x9cd, 0x995, 0x0 },
+                  { 0x234, 0x24e, 0x73, 0x0 } }, 
+		// Ya + Halant
+		{ { 0x09af, 0x09cd, 0x0 },
+		  { 0x00d2, 0x0 } },
+		// Da Halant Ya -> Da Ya-Phala
+		{ { 0x09a6, 0x09cd, 0x09af, 0x0 },
+		  { 0x0084, 0x00e2, 0x0 } },
+		// A Halant Ya -> A Ya-phala
+		{ { 0x0985, 0x09cd, 0x09af, 0x0 },
+		  { 0x0067, 0x00e2, 0x0 } },
+		// Na Halant Ka
+		{ { 0x09a8, 0x09cd, 0x0995, 0x0 },
+		  { 0x0188, 0x0 } },
+		// Na Halant ZWNJ Ka
+                { { 0x9a8, 0x9cd, 0x200c, 0x995, 0x0 },
+                  { 0xcc, 0x73, 0x0 } }, 
+		// Na Halant ZWJ Ka
+                { { 0x9a8, 0x9cd, 0x200d, 0x995, 0x0 },
+                  { 0x247, 0x73, 0x0 } }, 
+		// Ka Halant ZWNJ Ka
+                { { 0x9a8, 0x9cd, 0x200d, 0x995, 0x0 },
+                  { 0x247, 0x73, 0x0 } }, 
+		// Ka Halant ZWJ Ka
+                { { 0x9a8, 0x9cd, 0x200d, 0x995, 0x0 },
+                  { 0x247, 0x73, 0x0 } }, 
+		// Na Halant Ra
+		{ { 0x09a8, 0x09cd, 0x09b0, 0x0 },
+		  { 0x00f8, 0x0 } },
+		// Na Halant ZWNJ Ra
+		{ { 0x09a8, 0x09cd, 0x200c, 0x09b0, 0x0 },
+		  { 0xcc, 0x8d, 0x0 } },
+		// Na Halant ZWJ Ra
+                { { 0x9a8, 0x9cd, 0x200d, 0x9b0, 0x0 },
+                  { 0x247, 0x8d, 0x0 } }, 
+		// Na Halant Ba
+		{ { 0x09a8, 0x09cd, 0x09ac, 0x0 },
+		  { 0x0139, 0x0 } },
+		// Na Halant ZWNJ Ba
+                { { 0x9a8, 0x9cd, 0x200c, 0x9ac, 0x0 },
+                  { 0xcc, 0x89, 0x0 } }, 
+		// Na Halant ZWJ Ba
+                { { 0x9a8, 0x9cd, 0x200d, 0x9ac, 0x0 },
+                  { 0x247, 0x89, 0x0 } }, 
+		// Na Halant Dha
+		{ { 0x09a8, 0x09cd, 0x09a7, 0x0 },
+		  { 0x0145, 0x0 } },
+		// Na Halant ZWNJ Dha
+		{ { 0x09a8, 0x09cd, 0x200c, 0x09a7, 0x0 },
+		  { 0xcc, 0x85, 0x0 } },
+		// Na Halant ZWJ Dha
+		{ { 0x09a8, 0x09cd, 0x200d, 0x09a7, 0x0 },
+		  { 0x247, 0x85, 0x0 } },
+		// Ra Halant Ka MatraAU
+                { { 0x9b0, 0x9cd, 0x995, 0x9cc, 0x0 },
+                  { 0x232, 0x73, 0xe1, 0xa0, 0x0 } }, 
+		// Ra Halant Ba Halant Ba
+		{ { 0x09b0, 0x09cd, 0x09ac, 0x09cd, 0x09ac, 0x0 },
+		  { 0x013b, 0x00e1, 0x0 } },
+
+		{ {0}, {0} }
+	    };
+
+
+	    const ShapeTable *s = shape_table;
+	    while (s->unicode[0]) {
+		QVERIFY( shaping(f, s) );
+		++s;
+	    }
+	} else {
+	    QSKIP("couln't find Mukti", SkipAll);
+	}
+    }
+    {
+        if (QFontDatabase().families(QFontDatabase::Bengali).contains("Likhan")) {
+            QFont f("Likhan");
+	    const ShapeTable shape_table [] = {
+                { { 0x9a8, 0x9cd, 0x9af, 0x0 },
+                  { 0x1ca, 0x0 } },
+		{ { 0x09b8, 0x09cd, 0x09af, 0x0 },
+                  { 0x020e, 0x0 } },
+		{ { 0x09b6, 0x09cd, 0x09af, 0x0 },
+                  { 0x01f4, 0x0 } },
+		{ { 0x09b7, 0x09cd, 0x09af, 0x0 },
+                  { 0x01fe, 0x0 } },
+		{ { 0x09b0, 0x09cd, 0x09a8, 0x09cd, 0x200d, 0x0 },
+                  { 0x10b, 0x167, 0x0 } },
+
+		{ {0}, {0} }
+	    };
+
+
+	    const ShapeTable *s = shape_table;
+	    while (s->unicode[0]) {
+		QVERIFY( shaping(f, s) );
+		++s;
+	    }
+	} else {
+	    QSKIP("couln't find Likhan", SkipAll);
+	}
+    }
+#else
+    QSKIP("X11 specific test", SkipAll);
+#endif
+}
+
+void tst_QTextScriptEngine::gurmukhi()
+{
+#if defined(Q_WS_X11)
+    {
+        if (QFontDatabase().families(QFontDatabase::Gurmukhi).contains("Lohit Punjabi")) {
+            QFont f("Lohit Punjabi");
+	    const ShapeTable shape_table [] = {
+		{ { 0xA15, 0xA4D, 0xa39, 0x0 },
+		  { 0x3b, 0x8b, 0x0 } },
+		{ {0}, {0} }
+	    };
+
+
+	    const ShapeTable *s = shape_table;
+	    while (s->unicode[0]) {
+		QVERIFY( shaping(f, s) );
+		++s;
+	    }
+	} else {
+	    QSKIP("couln't find Lohit Punjabi", SkipAll);
+	}
+    }
+#endif
+}
+
+void tst_QTextScriptEngine::oriya()
+{
+#if defined(Q_WS_X11)
+    {
+        if (QFontDatabase().families(QFontDatabase::Oriya).contains("utkal")) {
+            QFont f("utkal");
+	    const ShapeTable shape_table [] = {
+                { { 0xb15, 0xb4d, 0xb24, 0xb4d, 0xb30, 0x0 },
+                  { 0x150, 0x125, 0x0 } }, 
+                { { 0xb24, 0xb4d, 0xb24, 0xb4d, 0xb2c, 0x0 },
+                  { 0x151, 0x120, 0x0 } }, 
+                { { 0xb28, 0xb4d, 0xb24, 0xb4d, 0xb2c, 0x0 },
+                  { 0x152, 0x120, 0x0 } }, 
+                { { 0xb28, 0xb4d, 0xb24, 0xb4d, 0xb2c, 0x0 },
+                  { 0x152, 0x120, 0x0 } }, 
+                { { 0xb28, 0xb4d, 0xb24, 0xb4d, 0xb30, 0x0 },
+                  { 0x176, 0x0 } }, 
+                { { 0xb38, 0xb4d, 0xb24, 0xb4d, 0xb30, 0x0 },
+                  { 0x177, 0x0 } }, 
+                { { 0xb28, 0xb4d, 0xb24, 0xb4d, 0xb30, 0xb4d, 0xb2f, 0x0 },
+                  { 0x176, 0x124, 0x0 } }, 
+                { {0}, {0} }
+
+            };
+
+	    const ShapeTable *s = shape_table;
+	    while (s->unicode[0]) {
+		QVERIFY( shaping(f, s) );
+		++s;
+	    }
+	} else {
+	    QSKIP("couln't find utkal", SkipAll);
+	}
+    }
+#else
+    QSKIP("X11 specific test", SkipAll);
+#endif
+}
+
+
+void tst_QTextScriptEngine::tamil()
+{
+#if defined(Q_WS_X11)
+    {
+        if (QFontDatabase().families(QFontDatabase::Tamil).contains("AkrutiTml1")) {
+            QFont f("AkrutiTml1");
+	    const ShapeTable shape_table [] = {
+		{ { 0x0b95, 0x0bc2, 0x0 },
+		  { 0x004e, 0x0 } },
+		{ { 0x0bae, 0x0bc2, 0x0 },
+		  { 0x009e, 0x0 } },
+		{ { 0x0b9a, 0x0bc2, 0x0 },
+		  { 0x0058, 0x0 } },
+		{ { 0x0b99, 0x0bc2, 0x0 },
+		  { 0x0053, 0x0 } },
+		{ { 0x0bb0, 0x0bc2, 0x0 },
+		  { 0x00a8, 0x0 } },
+		{ { 0x0ba4, 0x0bc2, 0x0 },
+		  { 0x008e, 0x0 } },
+		{ { 0x0b9f, 0x0bc2, 0x0 },
+		  { 0x0062, 0x0 } },
+		{ { 0x0b95, 0x0bc6, 0x0 },
+		  { 0x000a, 0x0031, 0x0 } },
+		{ { 0x0b95, 0x0bca, 0x0 },
+		  { 0x000a, 0x0031, 0x0007, 0x0 } },
+		{ { 0x0b95, 0x0bc6, 0x0bbe, 0x0 },
+		  { 0x000a, 0x0031, 0x007, 0x0 } },
+		{ { 0x0b95, 0x0bcd, 0x0bb7, 0x0 },
+		  { 0x0049, 0x0 } },
+		{ { 0x0b95, 0x0bcd, 0x0bb7, 0x0bca, 0x0 },
+		  { 0x000a, 0x0049, 0x007, 0x0 } },
+		{ { 0x0b95, 0x0bcd, 0x0bb7, 0x0bc6, 0x0bbe, 0x0 },
+		  { 0x000a, 0x0049, 0x007, 0x0 } },
+		{ { 0x0b9f, 0x0bbf, 0x0 },
+		  { 0x005f, 0x0 } },
+		{ { 0x0b9f, 0x0bc0, 0x0 },
+		  { 0x0060, 0x0 } },
+		{ { 0x0bb2, 0x0bc0, 0x0 },
+		  { 0x00ab, 0x0 } },
+		{ { 0x0bb2, 0x0bbf, 0x0 },
+		  { 0x00aa, 0x0 } },
+		{ { 0x0bb0, 0x0bcd, 0x0 },
+		  { 0x00a4, 0x0 } },
+		{ { 0x0bb0, 0x0bbf, 0x0 },
+		  { 0x00a5, 0x0 } },
+		{ { 0x0bb0, 0x0bc0, 0x0 },
+		  { 0x00a6, 0x0 } },
+		{ { 0x0b83, 0x0 },
+		  { 0x0025, 0x0 } },
+		{ { 0x0b83, 0x0b95, 0x0 },
+		  { 0x0025, 0x0031, 0x0 } },
+                { { 0xb95, 0xbc6, 0xbbe, 0x0 },
+                  { 0xa, 0x31, 0x7, 0x0 } },
+                { { 0xb95, 0xbc7, 0xbbe, 0x0 },
+                  { 0xb, 0x31, 0x7, 0x0 } },
+                { { 0xb95, 0xbc6, 0xbd7, 0x0 },
+                  { 0xa, 0x31, 0x40, 0x0 } },
+
+		{ {0}, {0} }
+	    };
+
+
+	    const ShapeTable *s = shape_table;
+	    while (s->unicode[0]) {
+		QVERIFY( shaping(f, s) );
+		++s;
+	    }
+	} else {
+	    QSKIP("couln't find AkrutiTml1", SkipAll);
+	}
+    }
+#else
+    QSKIP("X11 specific test", SkipAll);
+#endif
+}
+
+
+void tst_QTextScriptEngine::telugu()
+{
+#if defined(Q_WS_X11)
+    {
+        if (QFontDatabase().families(QFontDatabase::Telugu).contains("Pothana2000")) {
+            QFont f("Pothana2000");
+	    const ShapeTable shape_table [] = {
+                { { 0xc15, 0xc4d, 0x0 },
+                  { 0xbb, 0x0 } }, 
+                { { 0xc15, 0xc4d, 0xc37, 0x0 },
+                  { 0x4b, 0x0 } }, 
+                { { 0xc15, 0xc4d, 0xc37, 0xc4d, 0x0 },
+                  { 0xe0, 0x0 } }, 
+                { { 0xc15, 0xc4d, 0xc37, 0xc4d, 0xc23, 0x0 },
+                  { 0x4b, 0x91, 0x0 } }, 
+                { { 0xc15, 0xc4d, 0xc30, 0x0 },
+                  { 0x5a, 0xb2, 0x0 } }, 
+                { { 0xc15, 0xc4d, 0xc30, 0xc4d, 0x0 },
+                  { 0xbb, 0xb2, 0x0 } }, 
+                { { 0xc15, 0xc4d, 0xc30, 0xc4d, 0xc15, 0x0 },
+                  { 0x5a, 0xb2, 0x83, 0x0 } }, 
+                { { 0xc15, 0xc4d, 0xc30, 0xc3f, 0x0 },
+                  { 0xe2, 0xb2, 0x0 } }, 
+                { { 0xc15, 0xc4d, 0xc15, 0xc48, 0x0 },
+                  { 0xe6, 0xb3, 0x83, 0x0 } },
+                { { 0xc15, 0xc4d, 0xc30, 0xc48, 0x0 },
+                  { 0xe6, 0xb3, 0x9f, 0x0 } }, 
+                { { 0xc15, 0xc46, 0xc56, 0x0 },
+                  { 0xe6, 0xb3, 0x0 } },
+                { {0}, {0} }
+
+            };
+
+	    const ShapeTable *s = shape_table;
+	    while (s->unicode[0]) {
+		QVERIFY( shaping(f, s) );
+		++s;
+	    }
+	} else {
+	    QSKIP("couln't find Pothana2000", SkipAll);
+	}
+    }
+#else
+    QSKIP("X11 specific test", SkipAll);
+#endif
+}
+
+
+void tst_QTextScriptEngine::kannada()
+{
+#if defined(Q_WS_X11)
+    {
+        if (QFontDatabase().families(QFontDatabase::Kannada).contains("Sampige")) {
+            QFont f("Sampige");
+	    const ShapeTable shape_table [] = {
+		{ { 0x0ca8, 0x0ccd, 0x0ca8, 0x0 },
+		  { 0x0049, 0x00ba, 0x0 } },
+		{ { 0x0ca8, 0x0ccd, 0x0ca1, 0x0 },
+		  { 0x0049, 0x00b3, 0x0 } },
+		{ { 0x0caf, 0x0cc2, 0x0 },
+		  { 0x004f, 0x005d, 0x0 } },
+		{ { 0x0ce0, 0x0 },
+		  { 0x006a, 0x0 } },
+		{ { 0x0ce6, 0x0ce7, 0x0ce8, 0x0 },
+		  { 0x006b, 0x006c, 0x006d, 0x0 } },
+		{ { 0x0cb5, 0x0ccb, 0x0 },
+		  { 0x015f, 0x0067, 0x0 } },
+		{ { 0x0cb0, 0x0ccd, 0x0cae, 0x0 },
+		  { 0x004e, 0x0082, 0x0 } },
+		{ { 0x0cb0, 0x0ccd, 0x0c95, 0x0 },
+		  { 0x0036, 0x0082, 0x0 } },
+		{ { 0x0c95, 0x0ccd, 0x0cb0, 0x0 },
+		  { 0x0036, 0x00c1, 0x0 } },
+		{ { 0x0cb0, 0x0ccd, 0x200d, 0x0c95, 0x0 },
+		  { 0x0050, 0x00a7, 0x0 } },
+
+		{ {0}, {0} }
+	    };
+
+
+	    const ShapeTable *s = shape_table;
+	    while (s->unicode[0]) {
+		QVERIFY( shaping(f, s) );
+		++s;
+	    }
+	} else {
+	    QSKIP("couln't find Sampige", SkipAll);
+	}
+    }
+    {
+        if (QFontDatabase().families(QFontDatabase::Kannada).contains("Tunga")) {
+            QFont f("Tunga");
+	    const ShapeTable shape_table [] = {
+		{ { 0x0cb7, 0x0cc6, 0x0 },
+		  { 0x00b0, 0x006c, 0x0 } },
+		{ { 0x0cb7, 0x0ccd, 0x0 },
+		  { 0x0163, 0x0 } },
+                { { 0xc95, 0xcbf, 0xcd5, 0x0 },
+                  { 0x114, 0x73, 0x0 } },
+                { { 0xc95, 0xcc6, 0xcd5, 0x0 },
+                  { 0x90, 0x6c, 0x73, 0x0 } },
+                { { 0xc95, 0xcc6, 0xcd6, 0x0 },
+                  { 0x90, 0x6c, 0x74, 0x0 } },
+                { { 0xc95, 0xcc6, 0xcc2, 0x0 },
+                  { 0x90, 0x6c, 0x69, 0x0 } },
+                { { 0xc95, 0xcca, 0xcd5, 0x0 },
+                  { 0x90, 0x6c, 0x69, 0x73, 0x0 } },
+		{ {0}, {0} }
+	    };
+
+
+	    const ShapeTable *s = shape_table;
+	    while (s->unicode[0]) {
+		QVERIFY( shaping(f, s) );
+		++s;
+	    }
+	} else {
+	    QSKIP("couln't find Tunga", SkipAll);
+	}
+    }
+#else
+    QSKIP("X11 specific test", SkipAll);
+#endif
+}
+
+
+
+void tst_QTextScriptEngine::malayalam()
+{
+#if defined(Q_WS_X11)
+    {
+        if (QFontDatabase().families(QFontDatabase::Malayalam).contains("AkrutiMal2")) {
+            QFont f("AkrutiMal2");
+	    const ShapeTable shape_table [] = {
+		{ { 0x0d15, 0x0d46, 0x0 },
+		  { 0x005e, 0x0034, 0x0 } },
+		{ { 0x0d15, 0x0d47, 0x0 },
+		  { 0x005f, 0x0034, 0x0 } },
+		{ { 0x0d15, 0x0d4b, 0x0 },
+		  { 0x005f, 0x0034, 0x0058, 0x0 } },
+		{ { 0x0d15, 0x0d48, 0x0 },
+		  { 0x0060, 0x0034, 0x0 } },
+		{ { 0x0d15, 0x0d4a, 0x0 },
+		  { 0x005e, 0x0034, 0x0058, 0x0 } },
+		{ { 0x0d30, 0x0d4d, 0x0d15, 0x0 },
+		  { 0x009e, 0x0034, 0x0 } },
+		{ { 0x0d15, 0x0d4d, 0x0d35, 0x0 },
+		  { 0x0034, 0x007a, 0x0 } },
+		{ { 0x0d15, 0x0d4d, 0x0d2f, 0x0 },
+		  { 0x0034, 0x00a2, 0x0 } },
+		{ { 0x0d1f, 0x0d4d, 0x0d1f, 0x0 },
+		  { 0x0069, 0x0 } },
+		{ { 0x0d26, 0x0d4d, 0x0d26, 0x0 },
+		  { 0x0074, 0x0 } },
+		{ { 0x0d30, 0x0d4d, 0x0 },
+		  { 0x009e, 0x0 } },
+		{ { 0x0d30, 0x0d4d, 0x200c, 0x0 },
+		  { 0x009e, 0x0 } },
+		{ { 0x0d30, 0x0d4d, 0x200d, 0x0 },
+		  { 0x009e, 0x0 } },
+                { { 0xd15, 0xd46, 0xd3e, 0x0 },
+                  { 0x5e, 0x34, 0x58, 0x0 } },
+                { { 0xd15, 0xd47, 0xd3e, 0x0 },
+                  { 0x5f, 0x34, 0x58, 0x0 } },
+                { { 0xd15, 0xd46, 0xd57, 0x0 },
+                  { 0x5e, 0x34, 0x65, 0x0 } },
+                { { 0xd15, 0xd57, 0x0 },
+                  { 0x34, 0x65, 0x0 } },
+		{ {0}, {0} }
+	    };
+
+
+	    const ShapeTable *s = shape_table;
+	    while (s->unicode[0]) {
+		QVERIFY( shaping(f, s) );
+		++s;
+	    }
+	} else {
+	    QSKIP("couln't find AkrutiMal2", SkipAll);
+	}
+    }
+    {
+        if (QFontDatabase().families(QFontDatabase::Malayalam).contains("Rachana")) {
+            QFont f("Rachana");
+            const ShapeTable shape_table [] = {
+                { { 0xd37, 0xd4d, 0xd1f, 0xd4d, 0xd30, 0xd40, 0x0 },
+                  { 0x385, 0xa3, 0x0 } },
+                { { 0xd2f, 0xd4d, 0xd15, 0xd4d, 0xd15, 0xd41, 0x0 },
+                  { 0x2ff, 0x0 } },
+                { { 0xd33, 0xd4d, 0xd33, 0x0 },
+                  { 0x3f8, 0x0 } },
+                { { 0xd2f, 0xd4d, 0xd15, 0xd4d, 0xd15, 0xd41, 0x0 },
+                  { 0x2ff, 0x0 } },
+                { { 0xd30, 0xd4d, 0x200d, 0xd35, 0xd4d, 0xd35, 0x0 },
+                  { 0xf3, 0x350, 0x0 } },
+
+                { {0}, {0} }
+            };
+
+
+            const ShapeTable *s = shape_table;
+            while (s->unicode[0]) {
+                QVERIFY( shaping(f, s) );
+                ++s;
+            }
+        } else {
+            QSKIP("couln't find Rachana", SkipAll);
+        }
+    }
+
+#else
+    QSKIP("X11 specific test", SkipAll);
+#endif
+}
+
+void tst_QTextScriptEngine::sinhala()
+{
+#if defined(Q_WS_X11)
+    {
+        if (QFontDatabase().families(QFontDatabase::Sinhala).contains("Malithi Web")) {
+            QFont f("Malithi Web");
+            const ShapeTable shape_table [] = {
+                { { 0xd9a, 0xdd9, 0xdcf, 0x0 },
+                  { 0x4a, 0x61, 0x42, 0x0 } },
+                { { 0xd9a, 0xdd9, 0xddf, 0x0 },
+                  { 0x4a, 0x61, 0x50, 0x0 } },
+                { { 0xd9a, 0xdd9, 0xdca, 0x0 },
+                  { 0x4a, 0x62, 0x0 } },
+                { { 0xd9a, 0xddc, 0xdca, 0x0 },
+                  { 0x4a, 0x61, 0x42, 0x41, 0x0 } },
+                { { 0xd9a, 0xdda, 0x0 },
+                  { 0x4a, 0x62, 0x0 } },
+                { { 0xd9a, 0xddd, 0x0 },
+                  { 0x4a, 0x61, 0x42, 0x41, 0x0 } },
+                { {0}, {0} }
+            };
+
+
+            const ShapeTable *s = shape_table;
+            while (s->unicode[0]) {
+                QVERIFY( shaping(f, s) );
+                ++s;
+            }
+        } else {
+            QSKIP("couln't find Malithi Web", SkipAll);
+        }
+    }
+#else
+    QSKIP("X11 specific test", SkipAll);
+#endif
+}
+
+
+void tst_QTextScriptEngine::khmer()
+{
+#if defined(Q_WS_X11)
+    {
+        if (QFontDatabase().families(QFontDatabase::Khmer).contains("Khmer OS")) {
+            QFont f("Khmer OS");
+	    const ShapeTable shape_table [] = {
+		{ { 0x179a, 0x17cd, 0x0 },
+		  { 0x24c, 0x27f, 0x0 } },
+		{ { 0x179f, 0x17c5, 0x0 },
+		  { 0x273, 0x203, 0x0 } },
+		{ { 0x1790, 0x17d2, 0x1784, 0x17c3, 0x0 },
+		  { 0x275, 0x242, 0x182, 0x0 } },
+		{ { 0x179a, 0x0 },
+		  { 0x24c, 0x0 } },
+		{ { 0x1781, 0x17d2, 0x1798, 0x17c2, 0x0 },
+		  { 0x274, 0x233, 0x197, 0x0 } },
+		{ { 0x1798, 0x17b6, 0x0 },
+		  { 0x1cb, 0x0 } },
+		{ { 0x179a, 0x17b8, 0x0 },
+		  { 0x24c, 0x26a, 0x0 } },
+		{ { 0x1787, 0x17b6, 0x0 },
+		  { 0x1ba, 0x0 } },
+		{ { 0x1798, 0x17d2, 0x1796, 0x17bb, 0x0 },
+		  { 0x24a, 0x195, 0x26d, 0x0 } },
+		{ {0}, {0} }
+	    };
+
+
+	    const ShapeTable *s = shape_table;
+	    while (s->unicode[0]) {
+		QVERIFY( shaping(f, s) );
+		++s;
+	    }
+	} else {
+	    QSKIP("couln't find Khmer OS", SkipAll);
+	}
+    }
+#else
+    QSKIP("X11 specific test", SkipAll);
+#endif
+}
+
+void tst_QTextScriptEngine::linearB()
+{
+#if defined(Q_WS_X11)
+    {
+        if (QFontDatabase().families(QFontDatabase::Any).contains("Penuturesu")) {
+            QFont f("Penuturesu");
+	    const ShapeTable shape_table [] = {
+		{ { 0xd800, 0xdc01, 0xd800, 0xdc02, 0xd800, 0xdc03,  0 },
+                  { 0x5, 0x6, 0x7, 0 } },
+		{ {0}, {0} }
+	    };
+
+
+	    const ShapeTable *s = shape_table;
+	    while (s->unicode[0]) {
+		QVERIFY( shaping(f, s) );
+		++s;
+	    }
+	} else {
+	    QSKIP("couln't find Penuturesu", SkipAll);
+	}
+    }
+#else
+    QSKIP("X11 specific test", SkipAll);
+#endif
+}
+
+#if defined(Q_WS_X11)
+static bool decomposedShaping( const QFont &f, const QChar &ch)
+{
+    QString str = QString().append(ch);
+    QTextLayout layout(str, f);
+    QTextEngine *e = layout.d;
+    e->itemize();
+    e->shape(0);
+
+    QTextLayout decomposed(str.normalized(QString::NormalizationForm_D), f);
+    QTextEngine *de = decomposed.d;
+    de->itemize();
+    de->shape(0);
+
+    if( e->layoutData->items[0].num_glyphs != de->layoutData->items[0].num_glyphs )
+        goto error;
+
+    for (int i = 0; i < e->layoutData->items[0].num_glyphs; ++i) {
+        if ((e->layoutData->glyphLayout.glyphs[i] & 0xffffff) != (de->layoutData->glyphLayout.glyphs[i] & 0xffffff))
+            goto error;
+    }
+    return true;
+ error:
+    qDebug("%s: decomposedShaping of char %4x failed, nglyphs=%d, decomposed nglyphs %d",
+           f.family().toLatin1().constData(),
+           ch.unicode(),
+           e->layoutData->items[0].num_glyphs,
+           de->layoutData->items[0].num_glyphs);
+
+    str = "";
+    int i = 0;
+    while (i < e->layoutData->items[0].num_glyphs) {
+        str += QString("%1 ").arg(e->layoutData->glyphLayout.glyphs[i], 4, 16);
+        ++i;
+    }
+    qDebug("    composed glyph result   = %s", str.toLatin1().constData());
+    str = "";
+    i = 0;
+    while (i < de->layoutData->items[0].num_glyphs) {
+        str += QString("%1 ").arg(de->layoutData->glyphLayout.glyphs[i], 4, 16);
+        ++i;
+    }
+    qDebug("    decomposed glyph result = %s", str.toLatin1().constData());
+    return false;
+}
+#endif
+
+
+void tst_QTextScriptEngine::greek()
+{
+#if defined(Q_WS_X11)
+    {
+        if (QFontDatabase().families(QFontDatabase::Any).contains("DejaVu Sans")) {
+            QFont f("DejaVu Sans");
+            for (int uc = 0x1f00; uc <= 0x1fff; ++uc) {
+                QString str;
+                str.append(uc);
+                if (str.normalized(QString::NormalizationForm_D).normalized(QString::NormalizationForm_C) != str) {
+                    //qDebug() << "skipping" << hex << uc;
+                    continue;
+                }
+                if (uc == 0x1fc1 || uc == 0x1fed)
+                    continue;
+                QVERIFY( decomposedShaping(f, QChar(uc)) );
+            }
+        } else {
+            QSKIP("couln't find DejaVu Sans", SkipAll);
+        }
+    }
+
+    {
+        if (QFontDatabase().families(QFontDatabase::Any).contains("SBL Greek")) {
+            QFont f("SBL Greek");
+            for (int uc = 0x1f00; uc <= 0x1fff; ++uc) {
+                QString str;
+                str.append(uc);
+                if (str.normalized(QString::NormalizationForm_D).normalized(QString::NormalizationForm_C) != str) {
+                    //qDebug() << "skipping" << hex << uc;
+                    continue;
+                }
+                if (uc == 0x1fc1 || uc == 0x1fed)
+                    continue;
+                QVERIFY( decomposedShaping(f, QChar(uc) ) );
+
+            }
+
+            const ShapeTable shape_table [] = {
+                { { 0x3b1, 0x300, 0x313, 0x0 },
+                  { 0xb8, 0x3d3, 0x3c7, 0x0 } },
+                { { 0x3b1, 0x313, 0x300, 0x0 },
+                  { 0xd4, 0x0 } },
+
+                { {0}, {0} }
+            };
+
+
+            const ShapeTable *s = shape_table;
+            while (s->unicode[0]) {
+                QVERIFY( shaping(f, s) );
+                ++s;
+            }
+        } else {
+            QSKIP("couln't find SBL_grk", SkipAll);
+        }
+    }
+#else
+    QSKIP("X11 specific test", SkipAll);
+#endif
+}
+
+void tst_QTextScriptEngine::controlInSyllable_qtbug14204()
+{
+#if defined(Q_WS_X11)
+    QString s;
+    s.append(QChar(0x0915));
+    s.append(QChar(0x094d));
+    s.append(QChar(0x200d));
+    s.append(QChar(0x0915));
+
+    QTextLayout layout(s);
+    QTextEngine *e = layout.d;
+    e->itemize();
+    e->shape(0);
+
+    QVERIFY(e->layoutData->items[0].num_glyphs == 2);
+    QVERIFY(e->layoutData->glyphLayout.advances_x[1] != 0);
+#else
+    QSKIP("X11 specific test", SkipAll);
+#endif
+}
+
+void tst_QTextScriptEngine::combiningMarks_qtbug15675()
+{
+#if defined(Q_WS_MAC) && defined(QT_MAC_USE_COCOA)
+    QString s;
+    s.append(QChar(0x0061));
+    s.append(QChar(0x0062));
+    s.append(QChar(0x0300));
+    s.append(QChar(0x0063));
+
+    QFont font("Monaco");
+    QTextLayout layout(s, font);
+    QTextEngine *e = layout.d;
+    e->itemize();
+    e->shape(0);
+
+    QVERIFY(e->layoutData->items[0].num_glyphs == 4);
+    QVERIFY(e->layoutData->glyphLayout.advances_y[2] > 0);
+#elif defined(Q_WS_X11)
+    QFontDatabase db;
+
+    if (!db.families().contains("DejaVu Sans Mono")) {
+        QSKIP("Required font (DejaVu Sans Mono) doesn't exist, skip test.", SkipAll);
+        return;
+    }
+
+    QString s;
+    s.append(QChar(0x0062));
+    s.append(QChar(0x0332));
+    s.append(QChar(0x0063));
+
+    QTextLayout layout(s, QFont("DejaVu Sans Mono"));
+    QTextEngine *e = layout.d;
+    e->itemize();
+    e->shape(0);
+
+    QVERIFY(e->layoutData->items[0].num_glyphs == 3);
+    QVERIFY(e->layoutData->glyphLayout.advances_x[1] == 0);
+#else
+    QSKIP("X11/Mac specific test", SkipAll);
+#endif
+}
+
+void tst_QTextScriptEngine::mirroredChars_data()
+{
+    QTest::addColumn<int>("hintingPreference");
+
+    QTest::newRow("Default hinting") << int(QFont::PreferDefaultHinting);
+    QTest::newRow("No hinting") << int(QFont::PreferNoHinting);
+    QTest::newRow("Vertical hinting") << int(QFont::PreferVerticalHinting);
+    QTest::newRow("Full hinting") << int(QFont::PreferFullHinting);
+}
+
+void tst_QTextScriptEngine::mirroredChars()
+{
+#if defined(Q_WS_MAC)
+    QSKIP("Not supported on Mac", SkipAll);
+#endif
+    QFETCH(int, hintingPreference);
+
+    QFont font;
+    font.setHintingPreference(QFont::HintingPreference(hintingPreference));
+
+    QString s;
+    s.append(QLatin1Char('('));
+    s.append(QLatin1Char(')'));
+
+    HB_Glyph leftParenthesis;
+    HB_Glyph rightParenthesis;
+    {
+        QTextLayout layout(s);
+        layout.beginLayout();
+        layout.createLine();
+        layout.endLayout();
+
+        QTextEngine *e = layout.engine();
+        e->itemize();
+        e->shape(0);
+        QCOMPARE(e->layoutData->items[0].num_glyphs, ushort(2));
+
+        const QGlyphLayout &glyphLayout = e->layoutData->glyphLayout;
+        leftParenthesis = glyphLayout.glyphs[0];
+        rightParenthesis = glyphLayout.glyphs[1];
+    }
+
+    {
+        QTextLayout layout(s);
+        layout.setFlags(Qt::TextForceRightToLeft);
+
+        QTextEngine *e = layout.engine();
+        e->itemize();
+        e->shape(0);
+        QCOMPARE(e->layoutData->items[0].num_glyphs, ushort(2));
+
+        const QGlyphLayout &glyphLayout = e->layoutData->glyphLayout;
+        QCOMPARE(glyphLayout.glyphs[0], rightParenthesis);
+        QCOMPARE(glyphLayout.glyphs[1], leftParenthesis);
+    }
+}
+
+QTEST_MAIN(tst_QTextScriptEngine)
+#include "tst_qtextscriptengine.moc"