Validate Wrap line width (#2606)

Co-authored-by: GCHQDeveloper581 <63102987+GCHQDeveloper581@users.noreply.github.com>
Co-authored-by: C85297 <95289555+C85297@users.noreply.github.com>

src/core/operations/Wrap.mjs

@@ -6,6 +6,8 @@
 
 import Operation from "../Operation.mjs";
 
+const MAX_LINE_WIDTH = 65536;
+
 /**
  * Wrap operation
  */
@@ -27,6 +29,9 @@ class Wrap extends Operation {
                 "name": "Line Width",
                 "type": "number",
                 "value": 64,
+                "min": 1,
+                "max": MAX_LINE_WIDTH,
+                "integer": true,
             },
         ];
     }

tests/operations/tests/Wrap.mjs

@@ -40,5 +40,49 @@ TestRegister.addTests([
                 "args": [10]
             },
         ],
+    },
+    {
+        name: "Wrap rejects zero line width",
+        input: "hello",
+        expectedOutput: "Line Width must be greater than or equal to 1.",
+        recipeConfig: [
+            {
+                "op": "Wrap",
+                "args": [0]
+            },
+        ],
+    },
+    {
+        name: "Wrap rejects negative line width",
+        input: "hello",
+        expectedOutput: "Line Width must be greater than or equal to 1.",
+        recipeConfig: [
+            {
+                "op": "Wrap",
+                "args": [-1]
+            },
+        ],
+    },
+    {
+        name: "Wrap rejects non-integer line width",
+        input: "hello",
+        expectedOutput: "Line Width must be an integer.",
+        recipeConfig: [
+            {
+                "op": "Wrap",
+                "args": [1.1]
+            },
+        ],
+    },
+    {
+        name: "Wrap rejects excessive line width",
+        input: "hello",
+        expectedOutput: "Line Width must be less than or equal to 65536.",
+        recipeConfig: [
+            {
+                "op": "Wrap",
+                "args": [65537]
+            },
+        ],
     }
 ]);