1 files changed, 489 insertions, 0 deletions
diff --git a/vcl/qa/cppunit/GraphicFormatDetectorTest.cxx b/vcl/qa/cppunit/GraphicFormatDetectorTest.cxx
new file mode 100644
index 000000000..e142c94ab
--- /dev/null
+++ b/vcl/qa/cppunit/GraphicFormatDetectorTest.cxx
@@ -0,0 +1,489 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <sal/config.h>
+
+#include <string_view>
+
+#include <cppunit/TestAssert.h>
+#include <cppunit/extensions/HelperMacros.h>
+#include <unotest/bootstrapfixturebase.hxx>
+
+#include <graphic/GraphicFormatDetector.hxx>
+#include <graphic/DetectorTools.hxx>
+
+#include <tools/stream.hxx>
+#include <o3tl/string_view.hxx>
+
+using namespace css;
+
+namespace
+{
+class GraphicFormatDetectorTest : public test::BootstrapFixtureBase
+{
+    OUString getFullUrl(std::u16string_view sFileName)
+    {
+        return m_directories.getURLFromSrc(u"/vcl/qa/cppunit/data/") + sFileName;
+    }
+
+    void testDetectMET();
+    void testDetectBMP();
+    void testDetectWMF();
+    void testDetectWMZ();
+    void testDetectPCX();
+    void testDetectJPG();
+    void testDetectPNG();
+    void testDetectGIF();
+    void testDetectPSD();
+    void testDetectTGA();
+    void testDetectTIF();
+    void testDetectXBM();
+    void testDetectXPM();
+    void testDetectSVG();
+    void testDetectSVGZ();
+    void testDetectPDF();
+    void testDetectEPS();
+    void testDetectWEBP();
+    void testDetectEMF();
+    void testDetectEMZ();
+    void testMatchArray();
+    void testCheckArrayForMatchingStrings();
+
+    CPPUNIT_TEST_SUITE(GraphicFormatDetectorTest);
+    CPPUNIT_TEST(testDetectMET);
+    CPPUNIT_TEST(testDetectBMP);
+    CPPUNIT_TEST(testDetectWMF);
+    CPPUNIT_TEST(testDetectWMZ);
+    CPPUNIT_TEST(testDetectPCX);
+    CPPUNIT_TEST(testDetectJPG);
+    CPPUNIT_TEST(testDetectPNG);
+    CPPUNIT_TEST(testDetectGIF);
+    CPPUNIT_TEST(testDetectPSD);
+    CPPUNIT_TEST(testDetectTGA);
+    CPPUNIT_TEST(testDetectTIF);
+    CPPUNIT_TEST(testDetectXBM);
+    CPPUNIT_TEST(testDetectXPM);
+    CPPUNIT_TEST(testDetectSVG);
+    CPPUNIT_TEST(testDetectSVGZ);
+    CPPUNIT_TEST(testDetectPDF);
+    CPPUNIT_TEST(testDetectEPS);
+    CPPUNIT_TEST(testDetectWEBP);
+    CPPUNIT_TEST(testDetectEMF);
+    CPPUNIT_TEST(testDetectEMZ);
+    CPPUNIT_TEST(testMatchArray);
+    CPPUNIT_TEST(testCheckArrayForMatchingStrings);
+    CPPUNIT_TEST_SUITE_END();
+};
+
+void GraphicFormatDetectorTest::testDetectMET()
+{
+    SvFileStream aFileStream(getFullUrl(u"TypeDetectionExample.met"), StreamMode::READ);
+    vcl::GraphicFormatDetector aDetector(aFileStream, "MET");
+
+    CPPUNIT_ASSERT(aDetector.detect());
+    CPPUNIT_ASSERT(aDetector.checkMET());
+
+    aFileStream.Seek(aDetector.mnStreamPosition);
+
+    OUString rFormatExtension;
+    CPPUNIT_ASSERT(vcl::peekGraphicFormat(aFileStream, rFormatExtension, false));
+    CPPUNIT_ASSERT_EQUAL(OUString("MET"), rFormatExtension);
+}
+
+void GraphicFormatDetectorTest::testDetectBMP()
+{
+    SvFileStream aFileStream(getFullUrl(u"TypeDetectionExample.bmp"), StreamMode::READ);
+    vcl::GraphicFormatDetector aDetector(aFileStream, "BMP");
+
+    CPPUNIT_ASSERT(aDetector.detect());
+    CPPUNIT_ASSERT(aDetector.checkBMP());
+
+    aFileStream.Seek(aDetector.mnStreamPosition);
+
+    OUString rFormatExtension;
+    CPPUNIT_ASSERT(vcl::peekGraphicFormat(aFileStream, rFormatExtension, false));
+    CPPUNIT_ASSERT_EQUAL(OUString("BMP"), rFormatExtension);
+}
+
+void GraphicFormatDetectorTest::testDetectWMF()
+{
+    SvFileStream aFileStream(getFullUrl(u"TypeDetectionExample.wmf"), StreamMode::READ);
+    vcl::GraphicFormatDetector aDetector(aFileStream, "WMF");
+
+    CPPUNIT_ASSERT(aDetector.detect());
+    CPPUNIT_ASSERT(aDetector.checkWMForEMF());
+
+    aFileStream.Seek(aDetector.mnStreamPosition);
+
+    OUString rFormatExtension;
+    CPPUNIT_ASSERT(vcl::peekGraphicFormat(aFileStream, rFormatExtension, false));
+    CPPUNIT_ASSERT_EQUAL(OUString("WMF"), rFormatExtension);
+}
+
+void GraphicFormatDetectorTest::testDetectWMZ()
+{
+    SvFileStream aFileStream(getFullUrl(u"TypeDetectionExample.wmz"), StreamMode::READ);
+    vcl::GraphicFormatDetector aDetector(aFileStream, "WMF");
+
+    CPPUNIT_ASSERT(aDetector.detect());
+    CPPUNIT_ASSERT(aDetector.checkWMForEMF());
+
+    aFileStream.Seek(aDetector.mnStreamPosition);
+
+    OUString rFormatExtension;
+    CPPUNIT_ASSERT(vcl::peekGraphicFormat(aFileStream, rFormatExtension, false));
+    CPPUNIT_ASSERT_EQUAL(OUString("WMF"), rFormatExtension);
+}
+
+void GraphicFormatDetectorTest::testDetectPCX()
+{
+    SvFileStream aFileStream(getFullUrl(u"TypeDetectionExample.pcx"), StreamMode::READ);
+    vcl::GraphicFormatDetector aDetector(aFileStream, "PCX");
+
+    CPPUNIT_ASSERT(aDetector.detect());
+    CPPUNIT_ASSERT(aDetector.checkPCX());
+
+    aFileStream.Seek(aDetector.mnStreamPosition);
+
+    OUString rFormatExtension;
+    CPPUNIT_ASSERT(vcl::peekGraphicFormat(aFileStream, rFormatExtension, false));
+    CPPUNIT_ASSERT_EQUAL(OUString("PCX"), rFormatExtension);
+}
+
+void GraphicFormatDetectorTest::testDetectJPG()
+{
+    SvFileStream aFileStream(getFullUrl(u"TypeDetectionExample.jpg"), StreamMode::READ);
+    vcl::GraphicFormatDetector aDetector(aFileStream, "JPG");
+
+    CPPUNIT_ASSERT(aDetector.detect());
+    CPPUNIT_ASSERT(aDetector.checkJPG());
+
+    aFileStream.Seek(aDetector.mnStreamPosition);
+
+    OUString rFormatExtension;
+    CPPUNIT_ASSERT(vcl::peekGraphicFormat(aFileStream, rFormatExtension, false));
+    CPPUNIT_ASSERT_EQUAL(OUString("JPG"), rFormatExtension);
+}
+
+void GraphicFormatDetectorTest::testDetectPNG()
+{
+    SvFileStream aFileStream(getFullUrl(u"TypeDetectionExample.png"), StreamMode::READ);
+    vcl::GraphicFormatDetector aDetector(aFileStream, "PNG");
+
+    CPPUNIT_ASSERT(aDetector.detect());
+    CPPUNIT_ASSERT(aDetector.checkPNG());
+
+    aFileStream.Seek(aDetector.mnStreamPosition);
+
+    OUString rFormatExtension;
+    CPPUNIT_ASSERT(vcl::peekGraphicFormat(aFileStream, rFormatExtension, false));
+    CPPUNIT_ASSERT_EQUAL(OUString("PNG"), rFormatExtension);
+}
+
+void GraphicFormatDetectorTest::testDetectGIF()
+{
+    SvFileStream aFileStream(getFullUrl(u"TypeDetectionExample.gif"), StreamMode::READ);
+    vcl::GraphicFormatDetector aDetector(aFileStream, "GIF");
+
+    CPPUNIT_ASSERT(aDetector.detect());
+    CPPUNIT_ASSERT(aDetector.checkGIF());
+
+    aFileStream.Seek(aDetector.mnStreamPosition);
+
+    OUString rFormatExtension;
+    CPPUNIT_ASSERT(vcl::peekGraphicFormat(aFileStream, rFormatExtension, false));
+    CPPUNIT_ASSERT_EQUAL(OUString("GIF"), rFormatExtension);
+}
+
+void GraphicFormatDetectorTest::testDetectPSD()
+{
+    SvFileStream aFileStream(getFullUrl(u"TypeDetectionExample.psd"), StreamMode::READ);
+    vcl::GraphicFormatDetector aDetector(aFileStream, "PSD");
+
+    CPPUNIT_ASSERT(aDetector.detect());
+    CPPUNIT_ASSERT(aDetector.checkPSD());
+
+    aFileStream.Seek(aDetector.mnStreamPosition);
+
+    OUString rFormatExtension;
+    CPPUNIT_ASSERT(vcl::peekGraphicFormat(aFileStream, rFormatExtension, false));
+    CPPUNIT_ASSERT_EQUAL(OUString("PSD"), rFormatExtension);
+}
+
+void GraphicFormatDetectorTest::testDetectTGA()
+{
+    SvFileStream aFileStream(getFullUrl(u"TypeDetectionExample.tga"), StreamMode::READ);
+    vcl::GraphicFormatDetector aDetector(aFileStream, "TGA");
+
+    CPPUNIT_ASSERT(aDetector.detect());
+    CPPUNIT_ASSERT(aDetector.checkTGA());
+
+    aFileStream.Seek(aDetector.mnStreamPosition);
+
+    OUString rFormatExtension("TGA"); // detection is based on extension only
+    CPPUNIT_ASSERT(vcl::peekGraphicFormat(aFileStream, rFormatExtension, false));
+    CPPUNIT_ASSERT_EQUAL(OUString("TGA"), rFormatExtension);
+}
+
+void GraphicFormatDetectorTest::testDetectTIF()
+{
+    SvFileStream aFileStream(getFullUrl(u"TypeDetectionExample.tif"), StreamMode::READ);
+    vcl::GraphicFormatDetector aDetector(aFileStream, "TIF");
+
+    CPPUNIT_ASSERT(aDetector.detect());
+    CPPUNIT_ASSERT(aDetector.checkTIF());
+
+    aFileStream.Seek(aDetector.mnStreamPosition);
+
+    OUString rFormatExtension;
+    CPPUNIT_ASSERT(vcl::peekGraphicFormat(aFileStream, rFormatExtension, false));
+    CPPUNIT_ASSERT_EQUAL(OUString("TIF"), rFormatExtension);
+}
+
+void GraphicFormatDetectorTest::testDetectXBM()
+{
+    SvFileStream aFileStream(getFullUrl(u"TypeDetectionExample.xbm"), StreamMode::READ);
+    vcl::GraphicFormatDetector aDetector(aFileStream, "XBM");
+
+    CPPUNIT_ASSERT(aDetector.detect());
+    CPPUNIT_ASSERT(aDetector.checkXBM());
+
+    aFileStream.Seek(aDetector.mnStreamPosition);
+
+    OUString rFormatExtension;
+    CPPUNIT_ASSERT(vcl::peekGraphicFormat(aFileStream, rFormatExtension, false));
+    CPPUNIT_ASSERT_EQUAL(OUString("XBM"), rFormatExtension);
+}
+
+void GraphicFormatDetectorTest::testDetectXPM()
+{
+    SvFileStream aFileStream(getFullUrl(u"TypeDetectionExample.xpm"), StreamMode::READ);
+    vcl::GraphicFormatDetector aDetector(aFileStream, "XPM");
+
+    CPPUNIT_ASSERT(aDetector.detect());
+    CPPUNIT_ASSERT(aDetector.checkXPM());
+
+    aFileStream.Seek(aDetector.mnStreamPosition);
+
+    OUString rFormatExtension;
+    CPPUNIT_ASSERT(vcl::peekGraphicFormat(aFileStream, rFormatExtension, false));
+    CPPUNIT_ASSERT_EQUAL(OUString("XPM"), rFormatExtension);
+}
+
+void GraphicFormatDetectorTest::testDetectSVG()
+{
+    SvFileStream aFileStream(getFullUrl(u"TypeDetectionExample.svg"), StreamMode::READ);
+    vcl::GraphicFormatDetector aDetector(aFileStream, "SVG");
+
+    CPPUNIT_ASSERT(aDetector.detect());
+    CPPUNIT_ASSERT(aDetector.checkSVG());
+
+    aFileStream.Seek(aDetector.mnStreamPosition);
+
+    OUString rFormatExtension;
+    CPPUNIT_ASSERT(vcl::peekGraphicFormat(aFileStream, rFormatExtension, false));
+    CPPUNIT_ASSERT_EQUAL(OUString("SVG"), rFormatExtension);
+}
+
+void GraphicFormatDetectorTest::testDetectSVGZ()
+{
+    SvFileStream aFileStream(getFullUrl(u"TypeDetectionExample.svgz"), StreamMode::READ);
+    vcl::GraphicFormatDetector aDetector(aFileStream, "SVG");
+
+    CPPUNIT_ASSERT(aDetector.detect());
+    CPPUNIT_ASSERT(aDetector.checkSVG());
+
+    aFileStream.Seek(aDetector.mnStreamPosition);
+
+    OUString rFormatExtension;
+    CPPUNIT_ASSERT(vcl::peekGraphicFormat(aFileStream, rFormatExtension, false));
+    CPPUNIT_ASSERT_EQUAL(OUString("SVG"), rFormatExtension);
+}
+
+void GraphicFormatDetectorTest::testDetectPDF()
+{
+    SvFileStream aFileStream(getFullUrl(u"TypeDetectionExample.pdf"), StreamMode::READ);
+    vcl::GraphicFormatDetector aDetector(aFileStream, "PDF");
+
+    CPPUNIT_ASSERT(aDetector.detect());
+    CPPUNIT_ASSERT(aDetector.checkPDF());
+
+    aFileStream.Seek(aDetector.mnStreamPosition);
+
+    OUString rFormatExtension;
+    CPPUNIT_ASSERT(vcl::peekGraphicFormat(aFileStream, rFormatExtension, false));
+    CPPUNIT_ASSERT_EQUAL(OUString("PDF"), rFormatExtension);
+}
+
+void GraphicFormatDetectorTest::testDetectEPS()
+{
+    SvFileStream aFileStream(getFullUrl(u"TypeDetectionExample.eps"), StreamMode::READ);
+    vcl::GraphicFormatDetector aDetector(aFileStream, "EPS");
+
+    CPPUNIT_ASSERT(aDetector.detect());
+    CPPUNIT_ASSERT(aDetector.checkEPS());
+
+    aFileStream.Seek(aDetector.mnStreamPosition);
+
+    OUString rFormatExtension;
+    CPPUNIT_ASSERT(vcl::peekGraphicFormat(aFileStream, rFormatExtension, false));
+    CPPUNIT_ASSERT_EQUAL(OUString("EPS"), rFormatExtension);
+}
+
+void GraphicFormatDetectorTest::testDetectWEBP()
+{
+    SvFileStream aFileStream(getFullUrl(u"TypeDetectionExample.webp"), StreamMode::READ);
+    vcl::GraphicFormatDetector aDetector(aFileStream, "WEBP");
+
+    CPPUNIT_ASSERT(aDetector.detect());
+    CPPUNIT_ASSERT(aDetector.checkWEBP());
+
+    aFileStream.Seek(aDetector.mnStreamPosition);
+
+    OUString rFormatExtension;
+    CPPUNIT_ASSERT(vcl::peekGraphicFormat(aFileStream, rFormatExtension, false));
+    CPPUNIT_ASSERT_EQUAL(OUString("WEBP"), rFormatExtension);
+}
+
+void GraphicFormatDetectorTest::testDetectEMF()
+{
+    SvFileStream aFileStream(getFullUrl(u"TypeDetectionExample.emf"), StreamMode::READ);
+    vcl::GraphicFormatDetector aDetector(aFileStream, "EMF");
+
+    CPPUNIT_ASSERT(aDetector.detect());
+    CPPUNIT_ASSERT(aDetector.checkWMForEMF());
+
+    aFileStream.Seek(aDetector.mnStreamPosition);
+
+    OUString rFormatExtension;
+    CPPUNIT_ASSERT(vcl::peekGraphicFormat(aFileStream, rFormatExtension, false));
+    CPPUNIT_ASSERT_EQUAL(OUString("EMF"), rFormatExtension);
+}
+
+void GraphicFormatDetectorTest::testDetectEMZ()
+{
+    SvFileStream aFileStream(getFullUrl(u"TypeDetectionExample.emz"), StreamMode::READ);
+    vcl::GraphicFormatDetector aDetector(aFileStream, "EMF");
+
+    CPPUNIT_ASSERT(aDetector.detect());
+    CPPUNIT_ASSERT(aDetector.checkWMForEMF());
+
+    aFileStream.Seek(aDetector.mnStreamPosition);
+
+    OUString rFormatExtension;
+    CPPUNIT_ASSERT(vcl::peekGraphicFormat(aFileStream, rFormatExtension, false));
+    CPPUNIT_ASSERT_EQUAL(OUString("EMF"), rFormatExtension);
+}
+
+void GraphicFormatDetectorTest::testMatchArray()
+{
+    std::string aString("<?xml version=\"1.0\" standalone=\"no\"?>\n"
+                        "<svg width=\"5cm\" height=\"4cm\" version=\"1.1\"\n"
+                        "xmlns=\"http://www.w3.org/2000/svg\">\n"
+                        "</svg>");
+
+    const char* pCompleteStringPointer = aString.c_str();
+    const char* pMatchPointer;
+    int nCheckSize = aString.size();
+
+    // Check beginning of the input string
+    pMatchPointer = vcl::matchArrayWithString(pCompleteStringPointer, nCheckSize, "<?xml");
+    CPPUNIT_ASSERT(pMatchPointer != nullptr);
+    CPPUNIT_ASSERT_EQUAL(0, int(pMatchPointer - pCompleteStringPointer));
+    CPPUNIT_ASSERT_EQUAL(true, o3tl::starts_with(pMatchPointer, "<?xml"));
+
+    // Check middle of the input string
+    pMatchPointer = vcl::matchArrayWithString(aString.c_str(), nCheckSize, "version");
+    CPPUNIT_ASSERT(pMatchPointer != nullptr);
+    CPPUNIT_ASSERT_EQUAL(6, int(pMatchPointer - pCompleteStringPointer));
+    CPPUNIT_ASSERT_EQUAL(true, o3tl::starts_with(pMatchPointer, "version"));
+
+    pMatchPointer = vcl::matchArrayWithString(aString.c_str(), nCheckSize, "<svg");
+    CPPUNIT_ASSERT(pMatchPointer != nullptr);
+    CPPUNIT_ASSERT_EQUAL(38, int(pMatchPointer - pCompleteStringPointer));
+    CPPUNIT_ASSERT_EQUAL(true, o3tl::starts_with(pMatchPointer, "<svg"));
+
+    // Check end of the input string
+    pMatchPointer = vcl::matchArrayWithString(aString.c_str(), nCheckSize, "/svg>");
+    CPPUNIT_ASSERT(pMatchPointer != nullptr);
+    CPPUNIT_ASSERT_EQUAL(119, int(pMatchPointer - pCompleteStringPointer));
+    CPPUNIT_ASSERT_EQUAL(true, o3tl::starts_with(pMatchPointer, "/svg>"));
+
+    // Check that non-existing search string
+    pMatchPointer = vcl::matchArrayWithString(aString.c_str(), nCheckSize, "none");
+    CPPUNIT_ASSERT(pMatchPointer == nullptr);
+}
+
+void GraphicFormatDetectorTest::testCheckArrayForMatchingStrings()
+{
+    std::string aString("<?xml version=\"1.0\" standalone=\"no\"?>\n"
+                        "<svg width=\"5cm\" height=\"4cm\" version=\"1.1\"\n"
+                        "xmlns=\"http://www.w3.org/2000/svg\">\n"
+                        "</svg>");
+    const char* pCompleteStringPointer = aString.c_str();
+    int nCheckSize = aString.size();
+    bool bResult;
+
+    // check beginning string
+    bResult = vcl::checkArrayForMatchingStrings(pCompleteStringPointer, nCheckSize, { "<?xml" });
+    CPPUNIT_ASSERT_EQUAL(true, bResult);
+
+    // check ending string
+    bResult = vcl::checkArrayForMatchingStrings(pCompleteStringPointer, nCheckSize, { "/svg>" });
+    CPPUNIT_ASSERT_EQUAL(true, bResult);
+
+    // check middle string
+    bResult = vcl::checkArrayForMatchingStrings(pCompleteStringPointer, nCheckSize, { "version" });
+    CPPUNIT_ASSERT_EQUAL(true, bResult);
+
+    // check beginning and then ending string
+    bResult = vcl::checkArrayForMatchingStrings(pCompleteStringPointer, nCheckSize,
+                                                { "<?xml", "/svg>" });
+    CPPUNIT_ASSERT_EQUAL(true, bResult);
+
+    // check ending and then beginning string
+    bResult = vcl::checkArrayForMatchingStrings(pCompleteStringPointer, nCheckSize,
+                                                { "/svg>", "<?xml" });
+    CPPUNIT_ASSERT_EQUAL(false, bResult);
+
+    // check middle strings
+    bResult = vcl::checkArrayForMatchingStrings(pCompleteStringPointer, nCheckSize,
+                                                { "version", "<svg" });
+    CPPUNIT_ASSERT_EQUAL(true, bResult);
+
+    // check beginning, middle and ending strings
+    bResult = vcl::checkArrayForMatchingStrings(pCompleteStringPointer, nCheckSize,
+                                                { "<?xml", "version", "<svg", "/svg>" });
+    CPPUNIT_ASSERT_EQUAL(true, bResult);
+
+    // check non-existing
+    bResult = vcl::checkArrayForMatchingStrings(pCompleteStringPointer, nCheckSize, { "none" });
+    CPPUNIT_ASSERT_EQUAL(false, bResult);
+
+    // check non-existing on the beginning
+    bResult = vcl::checkArrayForMatchingStrings(pCompleteStringPointer, nCheckSize,
+                                                { "none", "version", "<svg", "/svg>" });
+    CPPUNIT_ASSERT_EQUAL(false, bResult);
+
+    // check non-existing on the end
+    bResult = vcl::checkArrayForMatchingStrings(pCompleteStringPointer, nCheckSize,
+                                                { "<?xml", "version", "<svg", "none" });
+    CPPUNIT_ASSERT_EQUAL(false, bResult);
+
+    // check non-existing after the end
+    bResult = vcl::checkArrayForMatchingStrings(pCompleteStringPointer, nCheckSize,
+                                                { "<?xml", "/svg>", "none" });
+    CPPUNIT_ASSERT_EQUAL(false, bResult);
+}
+
+} // namespace
+
+CPPUNIT_TEST_SUITE_REGISTRATION(GraphicFormatDetectorTest);
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */