From d68c8cb845e7976623f35740de50eb4a5ec29a09 Mon Sep 17 00:00:00 2001
From: n1073645 <n1073645@gmail.com>
Date: Mon, 6 Jul 2020 10:43:52 +0100
Subject: [PATCH 1/2] Casing Variations

---
 src/core/config/Categories.json       |  1 +
 src/core/operations/GetAllCasings.mjs | 53 +++++++++++++++++++++++++++
 2 files changed, 54 insertions(+)
 create mode 100644 src/core/operations/GetAllCasings.mjs

diff --git a/src/core/config/Categories.json b/src/core/config/Categories.json
index 77e3d319..1bf0b68a 100755
--- a/src/core/config/Categories.json
+++ b/src/core/config/Categories.json
@@ -217,6 +217,7 @@
             "From Case Insensitive Regex",
             "Add line numbers",
             "Remove line numbers",
+            "Get All Casings",
             "To Table",
             "Reverse",
             "Sort",
diff --git a/src/core/operations/GetAllCasings.mjs b/src/core/operations/GetAllCasings.mjs
new file mode 100644
index 00000000..33892ffc
--- /dev/null
+++ b/src/core/operations/GetAllCasings.mjs
@@ -0,0 +1,53 @@
+/**
+ * @author n1073645 [n1073645@gmail.com]
+ * @copyright Crown Copyright 2020
+ * @license Apache-2.0
+ */
+
+import Operation from "../Operation.mjs";
+
+/**
+ * Permutate String operation
+ */
+class GetAllCasings extends Operation {
+
+    /**
+     * GetAllCasings constructor
+     */
+    constructor() {
+        super();
+
+        this.name = "Get All Casings";
+        this.module = "Default";
+        this.description = "Outputs all possible casing variations of a string.";
+        this.infoURL = "";
+        this.inputType = "string";
+        this.outputType = "string";
+        this.args = [];
+    }
+
+    /**
+     * @param {string} input
+     * @param {Object[]} args
+     * @returns {string}
+     */
+    run(input, args) {
+        const length = input.length;
+        const max = 1 << length;
+        input = input.toLowerCase();
+        let result = "";
+
+        for (let i = 0; i < max; i++) {
+            const temp = input.split("");
+            for (let j = 0; j < length; j++) {
+                if (((i >> j) & 1) === 1) {
+                    temp[j] = temp[j].toUpperCase();
+                }
+            }
+            result += temp.join("") + "\n";
+        }
+        return result;
+    }
+}
+
+export default GetAllCasings;

From c01ce90e06db1d764f836282aa0e6693831230f5 Mon Sep 17 00:00:00 2001
From: n1073645 <n1073645@gmail.com>
Date: Mon, 6 Jul 2020 11:20:54 +0100
Subject: [PATCH 2/2] Tests Added

---
 tests/operations/index.mjs               |  2 +-
 tests/operations/tests/GetAllCasings.mjs | 44 ++++++++++++++++++++++++
 2 files changed, 45 insertions(+), 1 deletion(-)
 create mode 100644 tests/operations/tests/GetAllCasings.mjs

diff --git a/tests/operations/index.mjs b/tests/operations/index.mjs
index 8d3cd623..33260005 100644
--- a/tests/operations/index.mjs
+++ b/tests/operations/index.mjs
@@ -101,7 +101,7 @@ import "./tests/LuhnChecksum.mjs";
 import "./tests/CipherSaber2.mjs";
 import "./tests/Colossus.mjs";
 import "./tests/ParseObjectIDTimestamp.mjs";
-
+import "./tests/GetAllCasings.mjs";
 
 // Cannot test operations that use the File type yet
 // import "./tests/SplitColourChannels.mjs";
diff --git a/tests/operations/tests/GetAllCasings.mjs b/tests/operations/tests/GetAllCasings.mjs
new file mode 100644
index 00000000..e5c6a25b
--- /dev/null
+++ b/tests/operations/tests/GetAllCasings.mjs
@@ -0,0 +1,44 @@
+/**
+ * GetAllCasings tests.
+ *
+ * @author n1073645 [n1073645@gmail.com]
+ * @copyright Crown Copyright 2020
+ * @license Apache-2.0
+ */
+import TestRegister from "../../lib/TestRegister.mjs";
+
+TestRegister.addTests([
+    {
+        name: "All casings of test",
+        input: "test",
+        expectedOutput: "test\nTest\ntEst\nTEst\nteSt\nTeSt\ntESt\nTESt\ntesT\nTesT\ntEsT\nTEsT\nteST\nTeST\ntEST\nTEST\n",
+        recipeConfig: [
+            {
+                "op": "Get All Casings",
+                "args": []
+            }
+        ]
+    },
+    {
+        name: "All casings of t",
+        input: "t",
+        expectedOutput: "t\nT\n",
+        recipeConfig: [
+            {
+                "op": "Get All Casings",
+                "args": []
+            }
+        ]
+    },
+    {
+        name: "All casings of null",
+        input: "",
+        expectedOutput: "\n",
+        recipeConfig: [
+            {
+                "op": "Get All Casings",
+                "args": []
+            }
+        ]
+    }
+]);