Tests: Add usage and tests for previous commit.
diff --git a/Test/runtests b/Test/runtests
index 6ebb6ee..93429a1 100755
--- a/Test/runtests
+++ b/Test/runtests
@@ -74,11 +74,15 @@
fi
#
-# Testing -S
+# Testing -S and compound suffixes
#
-echo Running explicit stage test
+echo Running explicit stage test and compound suffix tests
$EXE -i -S vert nosuffix > $TARGETDIR/nosuffix.out
diff -b $BASEDIR/nosuffix.out $TARGETDIR/nosuffix.out || HASERROR=1
+$EXE -i compoundsuffix.vert.glsl > $TARGETDIR/compoundsuffix.vert.glsl
+diff -b $BASEDIR/compoundsuffix.vert.glsl $TARGETDIR/compoundsuffix.vert.glsl || HASERROR=1
+$EXE -D -e main -H compoundsuffix.frag.hlsl > $TARGETDIR/compoundsuffix.frag.hlsl
+diff -b $BASEDIR/compoundsuffix.frag.hlsl $TARGETDIR/compoundsuffix.frag.hlsl || HASERROR=1
#
# Testing --hlsl-offsets