bind: test __len__

Change-Id: I17dbafd6014bcc2ca6faafd46a4bd50fb1693a33

_examples/hi/test.py

@@ -141,3 +141,14 @@ for i,o in enumerate(objs):
 print "--- len(vs):",len(vs)
 del objs
 print "--- testing GC... [ok]"
+
+print "--- testing array..."
+arr = hi.GetIntArray()
+print "arr:",arr
+print "len(arr):",len(arr)
+
+print "--- testing slice..."
+s = hi.GetIntSlice()
+print "slice:",s
+print "len(slice):",len(s)
+

main_test.go

@@ -137,6 +137,12 @@ hi.Couple{P1=hi.Person{Name="mom", Age=50}, P2=hi.Person{Name="bob", Age=51}}
 --- len(objs): 100000
 --- len(vs): 100000
 --- testing GC... [ok]
+--- testing array...
+arr: [2]int{1, 2}
+len(arr): 2
+--- testing slice...
+slice: []int{1, 2}
+len(slice): 2
 `)
 	buf := new(bytes.Buffer)
 	cmd = exec.Command("python2", "./test.py")