diff --git a/tests/multishared/Makefile b/tests/multishared/Makefile
new file mode 100644
index 0000000..745f3a8
--- /dev/null
+++ b/tests/multishared/Makefile
@@ -0,0 +1,31 @@
+# Makefile to build class 'multishared' for Pure Data.
+# Needs Makefile.pdlibbuilder as helper makefile for platform-dependent build
+# settings and rules.
+
+# library name
+lib.name = multishared
+
+# common functions
+shared.sources = shared.c
+
+# input source file (class name == source file basename)
+class.sources = multisharedA.c multisharedB.c
+
+# all extra files to be included in binary distribution of the library
+datafiles = multishared-help.pd multishared-meta.pd
+
+# include Makefile.pdlibbuilder from submodule directory 'pd-lib-builder'
+PDLIBBUILDER_DIR=../..
+include $(PDLIBBUILDER_DIR)/Makefile.pdlibbuilder
+
+# simplistic tests whether all expected files have been produced/installed
+buildcheck: all
+	test -e lib$(lib.name).$(shared.extension)
+	test -e multisharedA.$(extension)
+	test -e multisharedB.$(extension)
+installcheck: install
+	test -e $(installpath)/lib$(lib.name).$(shared.extension)
+	test -e $(installpath)/multisharedA.$(extension)
+	test -e $(installpath)/multisharedB.$(extension)
+	test -e $(installpath)/multishared-help.pd
+	test -e $(installpath)/multishared-meta.pd
diff --git a/tests/multishared/multishared-help.pd b/tests/multishared/multishared-help.pd
new file mode 100644
index 0000000..da18aed
--- /dev/null
+++ b/tests/multishared/multishared-help.pd
@@ -0,0 +1,7 @@
+#N canvas 335 160 450 300 12;
+#X msg 143 93 7;
+#X obj 143 125 multisharedA;
+#X obj 223 125 multisharedB;
+#X msg 223 93 12;
+#X connect 0 0 1 0;
+#X connect 3 0 2 0;
diff --git a/tests/multishared/multishared-meta.pd b/tests/multishared/multishared-meta.pd
new file mode 100644
index 0000000..088f750
--- /dev/null
+++ b/tests/multishared/multishared-meta.pd
@@ -0,0 +1,9 @@
+#N canvas 966 322 200 200 10;
+#N canvas 19 51 420 300 META 0;
+#X text 10 10 META this is a prototype of a libdir meta file;
+#X text 10 51 AUTHOR IOhannes m zmolnig;
+#X text 10 110 VERSION 1.0.0;
+#X text 10 90 LICENSE CC0;
+#X text 10 70 DESCRIPTION Example "multishared" external.;
+#X text 10 30 NAME multishared;
+#X restore 10 10 pd META;
diff --git a/tests/multishared/multishared.h b/tests/multishared/multishared.h
new file mode 100644
index 0000000..2e7712a
--- /dev/null
+++ b/tests/multishared/multishared.h
@@ -0,0 +1,3 @@
+#include <m_pd.h>
+
+void multishared_foo(t_float f);
diff --git a/tests/multishared/multisharedA.c b/tests/multishared/multisharedA.c
new file mode 100644
index 0000000..9e8ae57
--- /dev/null
+++ b/tests/multishared/multisharedA.c
@@ -0,0 +1,14 @@
+#include "multishared.h"
+t_class*multisharedA_class;
+static void multisharedA_float(t_object*x, t_float f1) {
+  pd_error(x, "%s got %f", __FUNCTION__, f1);
+  multishared_foo(f1);
+}
+static void*multisharedA_new(void) {
+  return pd_new(multisharedA_class);
+}
+void multisharedA_setup(void) {
+  post("%s", __FUNCTION__);
+  multisharedA_class = class_new(gensym("multisharedA"), multisharedA_new, 0, sizeof(t_object), 0, A_NULL);
+  class_addfloat(multisharedA_class, multisharedA_float);
+}
diff --git a/tests/multishared/multisharedB.c b/tests/multishared/multisharedB.c
new file mode 100644
index 0000000..ca7b669
--- /dev/null
+++ b/tests/multishared/multisharedB.c
@@ -0,0 +1,14 @@
+#include "multishared.h"
+t_class*multisharedB_class;
+static void multisharedB_float(t_object*x, t_float f1) {
+  pd_error(x, "%s got %f", __FUNCTION__, f1);
+  multishared_foo(f1);
+}
+static void*multisharedB_new(void) {
+  return pd_new(multisharedB_class);
+}
+void multisharedB_setup(void) {
+  post("%s", __FUNCTION__);
+  multisharedB_class = class_new(gensym("multisharedB"), multisharedB_new, 0, sizeof(t_object), 0, A_NULL);
+  class_addfloat(multisharedB_class, multisharedB_float);
+}
diff --git a/tests/multishared/shared.c b/tests/multishared/shared.c
new file mode 100644
index 0000000..47284a2
--- /dev/null
+++ b/tests/multishared/shared.c
@@ -0,0 +1,5 @@
+#include "multishared.h"
+
+void multishared_foo(t_float f) {
+  post("%s(%f)", __FUNCTION__, f);
+}