diff --git a/tests/pixelconv.cxx b/tests/pixelconv.cxx
index 1d19b88..2676daa 100644
--- a/tests/pixelconv.cxx
+++ b/tests/pixelconv.cxx
@@ -180,6 +180,19 @@
   srcpf.parse("rgb232");
   doTests(dstpf, srcpf);
 
+  /* rgb232 targets */
+
+  dstpf.parse("rgb232");
+
+  srcpf.parse("rgb888");
+  doTests(dstpf, srcpf);
+
+  srcpf.parse("rgb565");
+  doTests(dstpf, srcpf);
+
+  srcpf.parse("bgr232");
+  doTests(dstpf, srcpf);
+
   /* rgb565 with endian conversion (both ways) */
 
   dstpf = rfb::PixelFormat(32, 24, false, true, 255, 255, 255, 0, 8, 16);