--- /dev/null
+#!/usr/bin/env python3
+
+import random
+
+def test_approxsize():
+ from pharosvalidator.util import approxsize
+ assert approxsize(100, 95, 5) == True
+ assert approxsize(100, 105, 5) == True
+
+ assert approxsize(100, 94, 5) == False
+ assert approxsize(100, 106, 5) == False
+