fix: validate wrap line width

src/core/operations/Wrap.mjs

@@ -5,6 +5,9 @@
  */
 
 import Operation from "../Operation.mjs";
+import OperationError from "../errors/OperationError.mjs";
+
+const MAX_LINE_WIDTH = 65536;
 
 /**
  * Wrap operation
@@ -27,6 +30,9 @@ class Wrap extends Operation {
                 "name": "Line Width",
                 "type": "number",
                 "value": 64,
+                "min": 1,
+                "max": MAX_LINE_WIDTH,
+                "integer": true,
             },
         ];
     }
@@ -39,6 +45,16 @@ class Wrap extends Operation {
     run(input, args) {
         if (!input) return "";  // Handle empty input
         const lineWidth = args[0];
+
+        if (!Number.isInteger(lineWidth))
+            throw new OperationError("Line Width must be an integer.");
+
+        if (lineWidth < 1)
+            throw new OperationError("Line Width must be greater than or equal to 1.");
+
+        if (lineWidth > MAX_LINE_WIDTH)
+            throw new OperationError(`Line Width must be less than or equal to ${MAX_LINE_WIDTH}.`);
+
         const regex = new RegExp(`.{1,${lineWidth}}`, "g");
         return input.match(regex).join("\n");
     }

tests/operations/tests/Wrap.mjs

@@ -40,5 +40,38 @@ TestRegister.addTests([
                 "args": [10]
             },
         ],
+    },
+    {
+        name: "Wrap rejects negative line width",
+        input: "hi, how about you",
+        expectedOutput: "Line Width must be greater than or equal to 1.",
+        recipeConfig: [
+            {
+                "op": "Wrap",
+                "args": [-1]
+            },
+        ],
+    },
+    {
+        name: "Wrap rejects floating-point line width",
+        input: "hi, how about you",
+        expectedOutput: "Line Width must be an integer.",
+        recipeConfig: [
+            {
+                "op": "Wrap",
+                "args": [1.1]
+            },
+        ],
+    },
+    {
+        name: "Wrap rejects excessively large line width",
+        input: "hi, how about you",
+        expectedOutput: "Line Width must be less than or equal to 65536.",
+        recipeConfig: [
+            {
+                "op": "Wrap",
+                "args": [1.1761717177171882e+23]
+            },
+        ],
     }
 ]);