Data update

Task/Loops-Wrong-ranges/JavaScript/loops-wrong-ranges.js

@@ -0,0 +1,29 @@
+function looptest(start, stop, step) {
+	let a = [];
+	try {
+		for(let i = start; i <= stop; i += step) {
+			a.push(i);
+			if (a.length == 10) {
+				break;
+			}
+		}
+		return a;
+	} catch {
+		return "Not allowed";
+	} 	
+}
+
+let test_cases = {"Normal": [-2, 2, 1],
+                  "Zero step": [-2, 2, 0],
+			      "Steps away from stop value": [-2, 2, -1],
+				  "Step value > stop value": [-2, 2, 10],
+				  "Start > stop, positive step": [2, -2, 1],
+				  "Start = stop, positive step": [2, 2, 1],
+				  "Start = stop, negative step": [2, 2, -1],
+				  "Start = stop, zero step": [2, 2, 0],
+				  "Start, stop, step all zero": [0, 0, 0]}
+
+for (const property in test_cases) {
+	let result = looptest(...test_cases[property]);
+	console.log(`${property}: ${result} ${result.length == 10 ? "(loops forever)" : ""}`);
+}