vcl: add test case for EPS file detection

Change-Id: Ia6a4cedf5c570e5d9544887ae66da0ec1e491647
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/93348
Tested-by: Jenkins
Reviewed-by: Tomaž Vajngerl <quikee@gmail.com>

2 files changed, 99 insertions, 0 deletions

diff --git a/vcl/qa/cppunit/GraphicFormatDetectorTest.cxx b/vcl/qa/cppunit/GraphicFormatDetectorTest.cxx
index 155ff089811b..1ce516bf52b3 100644
--- a/vcl/qa/cppunit/GraphicFormatDetectorTest.cxx
+++ b/vcl/qa/cppunit/GraphicFormatDetectorTest.cxx
@@ -42,6 +42,7 @@ class GraphicFormatDetectorTest : public test::BootstrapFixtureBase
     void testDetectSVG();
     void testDetectSVGZ();
     void testDetectPDF();
+    void testDetectEPS();
     void testMatchArray();
     void testCheckArrayForMatchingStrings();
 
@@ -61,6 +62,7 @@ class GraphicFormatDetectorTest : public test::BootstrapFixtureBase
     CPPUNIT_TEST(testDetectSVG);
     CPPUNIT_TEST(testDetectSVGZ);
     CPPUNIT_TEST(testDetectPDF);
+    CPPUNIT_TEST(testDetectEPS);
     CPPUNIT_TEST(testMatchArray);
     CPPUNIT_TEST(testCheckArrayForMatchingStrings);
     CPPUNIT_TEST_SUITE_END();
@@ -291,6 +293,21 @@ void GraphicFormatDetectorTest::testDetectPDF()
     CPPUNIT_ASSERT_EQUAL(OUString("PDF"), rFormatExtension);
 }
 
+void GraphicFormatDetectorTest::testDetectEPS()
+{
+    SvFileStream aFileStream(getFullUrl("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(ImpPeekGraphicFormat(aFileStream, rFormatExtension, false));
+    CPPUNIT_ASSERT_EQUAL(OUString("EPS"), rFormatExtension);
+}
+
 void GraphicFormatDetectorTest::testMatchArray()
 {
     std::string aString("<?xml version=\"1.0\" standalone=\"no\"?>\n"
diff --git a/vcl/qa/cppunit/data/TypeDetectionExample.eps b/vcl/qa/cppunit/data/TypeDetectionExample.eps
new file mode 100644
index 000000000000..7f0db47bc80c
--- /dev/null
+++ b/vcl/qa/cppunit/data/TypeDetectionExample.eps
@@ -0,0 +1,82 @@
+%!PS-Adobe-3.0 EPSF-3.0
+%%Creator: cairo 1.16.0 (https://cairographics.org)
+%%CreationDate: Sat May  2 14:29:27 2020
+%%Pages: 1
+%%DocumentData: Clean7Bit
+%%LanguageLevel: 2
+%%BoundingBox: 0 1 7 8
+%%EndComments
+%%BeginProlog
+50 dict begin
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+/Q { grestore } bind def
+/cm { 6 array astore concat } bind def
+/w { setlinewidth } bind def
+/J { setlinecap } bind def
+/j { setlinejoin } bind def
+/M { setmiterlimit } bind def
+/d { setdash } bind def
+/m { moveto } bind def
+/l { lineto } bind def
+/c { curveto } bind def
+/h { closepath } bind def
+/re { exch dup neg 3 1 roll 5 3 roll moveto 0 rlineto
+      0 exch rlineto 0 rlineto closepath } bind def
+/S { stroke } bind def
+/f { fill } bind def
+/f* { eofill } bind def
+/n { newpath } bind def
+/W { clip } bind def
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+/BT { } bind def
+/ET { } bind def
+/BDC { mark 3 1 roll /BDC pdfmark } bind def
+/EMC { mark /EMC pdfmark } bind def
+/cairo_store_point { /cairo_point_y exch def /cairo_point_x exch def } def
+/Tj { show currentpoint cairo_store_point } bind def
+/TJ {
+  {
+    dup
+    type /stringtype eq
+    { show } { -0.001 mul 0 cairo_font_matrix dtransform rmoveto } ifelse
+  } forall
+  currentpoint cairo_store_point
+} bind def
+/cairo_selectfont { cairo_font_matrix aload pop pop pop 0 0 6 array astore
+    cairo_font exch selectfont cairo_point_x cairo_point_y moveto } bind def
+/Tf { pop /cairo_font exch def /cairo_font_matrix where
+      { pop cairo_selectfont } if } bind def
+/Td { matrix translate cairo_font_matrix matrix concatmatrix dup
+      /cairo_font_matrix exch def dup 4 get exch 5 get cairo_store_point
+      /cairo_font where { pop cairo_selectfont } if } bind def
+/Tm { 2 copy 8 2 roll 6 array astore /cairo_font_matrix exch def
+      cairo_store_point /cairo_font where { pop cairo_selectfont } if } bind def
+/g { setgray } bind def
+/rg { setrgbcolor } bind def
+/d1 { setcachedevice } bind def
+/cairo_data_source {
+  CairoDataIndex CairoData length lt
+    { CairoData CairoDataIndex get /CairoDataIndex CairoDataIndex 1 add def }
+    { () } ifelse
+} def
+/cairo_flush_ascii85_file { cairo_ascii85_file status { cairo_ascii85_file flushfile } if } def
+/cairo_image { image cairo_flush_ascii85_file } def
+/cairo_imagemask { imagemask cairo_flush_ascii85_file } def
+%%EndProlog
+%%BeginSetup
+%%EndSetup
+%%Page: 1 1
+%%BeginPageSetup
+%%PageBoundingBox: 0 1 7 8
+%%EndPageSetup
+q 0 1 7 7 rectclip
+1 0 0 -1 0 8 cm q
+0.956863 0.831373 0.266667 rg
+3.75 0.75 m 5.41 0.75 6.75 2.09 6.75 3.75 c 6.75 5.41 5.41 6.75 3.75 6.75
+ c 2.09 6.75 0.75 5.41 0.75 3.75 c 0.75 2.09 2.09 0.75 3.75 0.75 c h
+3.75 0.75 m f
+Q Q
+showpage
+%%Trailer
+end
+%%EOF