Add a pixel test for patterns that do not render.
Bug: pdfium:1571
Change-Id: I51f894bb9f5d5c6ffc73a7fa244dc153b8e239c9
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/72070
Reviewed-by: Daniel Hosseinian <dhoss@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
diff --git a/testing/SUPPRESSIONS b/testing/SUPPRESSIONS
index d402dec..7b0b64f 100644
--- a/testing/SUPPRESSIONS
+++ b/testing/SUPPRESSIONS
@@ -337,6 +337,9 @@
# TODO(pdfium:1519): Remove after associated bug is fixed
bug_1519.in * * *
+# TODO(pdfium:1571): Remove after associated bug is fixed
+bug_1571.in * * *
+
# TODO(chromium:451366): Remove after associated bug is fixed
bug_451366.in * * *
diff --git a/testing/resources/pixel/bug_1571.in b/testing/resources/pixel/bug_1571.in
new file mode 100644
index 0000000..b4a94e1
--- /dev/null
+++ b/testing/resources/pixel/bug_1571.in
@@ -0,0 +1,112 @@
+{{header}}
+{{object 1 0}} <<
+ /Type /Catalog
+ /Pages 2 0 R
+>>
+endobj
+{{object 2 0}} <<
+ /Type /Pages
+ /Count 1
+ /Kids [3 0 R]
+>>
+endobj
+{{object 3 0}} <<
+ /Type /Page
+ /Parent 2 0 R
+ /MediaBox [0 0 200 200]
+ /Contents 4 0 R
+ /Resources <<
+ /ProcSet [/PDF /ImageB /ImageC /ImageI]
+ /ExtGState <<
+ /GS1 5 0 R
+ /GS3 6 0 R
+ >>
+ /Pattern <<
+ /Pa2 7 0 R
+ >>
+ >>
+>>
+endobj
+{{object 4 0}} <<
+ {{streamlen}}
+>>
+stream
+q
+1 0 0 1 50 100 cm
+1 1 1 RG
+/GS3 gs
+/Pattern cs
+/Pa2 scn
+/GS1 gs
+-7 7 m
+-7 -7 l
+-7 -7 l
+7 -7 l
+7 -7 l
+7 7 l
+7 7 l
+-7 7 l
+h
+B*
+Q
+q
+1 0 0 1 150 100 cm
+/Pattern cs
+/Pa2 scn
+/GS1 gs
+-7 7 m
+-7 -7 l
+-7 -7 l
+7 -7 l
+7 -7 l
+7 7 l
+7 7 l
+-7 7 l
+h
+B*
+Q
+endstream
+endobj
+{{object 5 0}} <<
+ /Type /ExtGState
+ /ca 1
+>>
+endobj
+{{object 6 0}} <<
+ /Type /ExtGState
+ /CA 0
+>>
+endobj
+{{object 7 0}} <<
+ /Type /Pattern
+ /PaintType 1
+ /PatternType 1
+ /TilingType 2
+ /BBox [0 0 0.25 0.25]
+ /Matrix [1.414 -1.414 1.414 1.414 -95.043 -381.294]
+ /PaintType 1
+ /Resources <<
+ % Acrobat requires this dictionary, even if it is empty.
+ >>
+ /XStep 0.25
+ /YStep 0.25
+ {{streamlen}}
+>>
+stream
+/DeviceRGB CS 0.941 0 0 SC
+/DeviceRGB cs 1 1 1 sc
+0 0 0.25 0.25 re
+f
+0.094 w
+0 0 m
+0.25 0 l
+0.094 w
+0.125 0 m
+0.125 0.25 l
+S
+endstream
+endobj
+{{xref}}
+{{trailer}}
+{{startxref}}
+%%EOF
diff --git a/testing/resources/pixel/bug_1571_expected.pdf.0.png b/testing/resources/pixel/bug_1571_expected.pdf.0.png
new file mode 100644
index 0000000..e3d54b8
--- /dev/null
+++ b/testing/resources/pixel/bug_1571_expected.pdf.0.png
Binary files differ
