Index: head/graphics/bitmap/Makefile
===================================================================
--- head/graphics/bitmap/Makefile	(revision 502837)
+++ head/graphics/bitmap/Makefile	(revision 502838)
@@ -1,30 +1,33 @@
 # $FreeBSD$
 
 PORTNAME=	bitmap
 DISTVERSION=	g20181222
 CATEGORIES=	graphics
 PKGNAMESUFFIX=	-graphics-library
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Minimalistic library manipulating 24-bit per pixel bitmap images
 
 LICENSE=	MIT
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	ArashPartow
 GH_TAGNAME=	b02297f
 
 NO_BUILD=	yes
 NO_ARCH=	yes
 
 PLIST_FILES=	include/bitmap_image.hpp
 
 do-install:
 	${INSTALL_DATA} ${WRKSRC}/bitmap_image.hpp ${STAGEDIR}${PREFIX}/include
 
-do-test: # tests failure reported to the author: Error - Failed to open 'image.bmp'
+do-test:
 	@cd ${WRKSRC} && \
 		${SETENV} ${MAKE_ENV} ${MAKE_CMD} bitmap_test && \
-		./bitmap_test
+		${CXX} ${CXXFLAGS} -o mk-image ${FILESDIR}/mk-image.cpp -I. && \
+		./mk-image && \
+		./bitmap_test && \
+		${ECHO} "Tests succeeded"
 
 .include <bsd.port.mk>
Index: head/graphics/bitmap/files/mk-image.cpp
===================================================================
--- head/graphics/bitmap/files/mk-image.cpp	(nonexistent)
+++ head/graphics/bitmap/files/mk-image.cpp	(revision 502838)
@@ -0,0 +1,21 @@
+#include "bitmap_image.hpp"
+
+// creates the BMP image image.bmp that tests expect
+
+int main()
+{
+   bitmap_image base(1024, 800);
+   base.clear();
+
+   const double c1 = 0.8;
+   const double c2 = 0.4;
+   const double c3 = 0.2;
+   const double c4 = 0.6;
+
+   ::srand(0xA5AA57A0);
+   plasma(base, 0, 0, base.width(), base.height(), c1, c2, c3, c4, 3.0, jet_colormap);
+
+   base.save_image("image.bmp");
+
+   return 0;
+}

Property changes on: head/graphics/bitmap/files/mk-image.cpp
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+yes
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+native
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+text/plain
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