Object is a number : -6
========================
+Expression: floor(100000000000000000000)
+Object is a number : 1e+20
+
+========================
+Expression: floor(-100000000000000000000)
+Object is a number : -1e+20
+
+========================
+Expression: floor(0 div 0)
+Object is a number : NaN
+
+========================
+Expression: floor(1 div 0)
+Object is a number : Infinity
+
+========================
+Expression: floor(-1 div 0)
+Object is a number : -Infinity
+
+========================
Expression: ceiling(0.1)
Object is a number : 1
Object is a number : -5
========================
+Expression: ceiling(100000000000000000000)
+Object is a number : 1e+20
+
+========================
+Expression: ceiling(-100000000000000000000)
+Object is a number : -1e+20
+
+========================
+Expression: ceiling(0 div 0)
+Object is a number : NaN
+
+========================
+Expression: ceiling(1 div 0)
+Object is a number : Infinity
+
+========================
+Expression: ceiling(-1 div 0)
+Object is a number : -Infinity
+
+========================
Expression: round(0.1)
Object is a number : 0
========================
Expression: round(-5.6)
Object is a number : -6
+
+========================
+Expression: round(0.5)
+Object is a number : 1
+
+========================
+Expression: round(-0.5)
+Object is a number : 0
+
+========================
+Expression: round(100000000000000000000)
+Object is a number : 1e+20
+
+========================
+Expression: round(-100000000000000000000)
+Object is a number : -1e+20
+
+========================
+Expression: round(0 div 0)
+Object is a number : NaN
+
+========================
+Expression: round(1 div 0)
+Object is a number : Infinity
+
+========================
+Expression: round(-1 div 0)
+Object is a number : -Infinity