1 files changed, 44 insertions, 0 deletions
diff --git a/Examples/test-suite/javascript/virtual_poly_runme.js b/Examples/test-suite/javascript/virtual_poly_runme.js
new file mode 100644
index 000000000..7cdb03930
--- /dev/null
+++ b/Examples/test-suite/javascript/virtual_poly_runme.js
@@ -0,0 +1,44 @@
+var virtual_poly = require("virtual_poly");
+
+d = new virtual_poly.NDouble(3.5);
+i = new virtual_poly.NInt(2);
+
+//
+// the copy methods return the right polymorphic types
+//
+dc = d.copy();
+ic = i.copy();
+
+if (d.get() != dc.get()) {
+    throw new Error;
+}
+
+if (i.get() != ic.get()) {
+    throw new Error;
+}
+
+virtual_poly.incr(ic);
+
+if ((i.get() + 1) != ic.get()) {
+    throw new Error;
+}
+
+
+dr = d.ref_this();
+if (d.get() != dr.get()) {
+    throw new Error;
+}
+
+
+//
+// 'narrowing' also works
+//
+ddc = virtual_poly.NDouble.narrow(d.nnumber());
+if (d.get() != ddc.get()) {
+    throw new Error;
+}
+
+dic = virtual_poly.NInt.narrow(i.nnumber());
+if (i.get() != dic.get()) {
+    throw new Error;
+}