test for convertToLTRForComposer added

tests/unit/ConvertToLTRForComposerTest.js

@@ -0,0 +1,60 @@
+import convertToLTRForComposer from '@libs/convertToLTRForComposer';
+import CONST from '@src/CONST';
+import {platform} from 'os';
+
+describe('convertToLTRForComposer', () => {
+    test('Input without RTL characters remains unchanged', () => {
+        // Test when input contains no RTL characters
+        const inputText = 'Hello, world!';
+        const result = convertToLTRForComposer(inputText);
+        expect(result).toBe(inputText);
+    });
+
+    test('Input with RTL characters is prefixed with LTR marker', () => {
+        // Test when input contains RTL characters
+        const inputText = 'مثال';
+        const result = convertToLTRForComposer(inputText);
+        if (platform === 'android') {
+            expect(result).toBe(inputText);
+        } else {
+            expect(result).toBe(`${CONST.UNICODE.LTR}${inputText}`);
+        }
+    });
+
+    test('Input with only space remains unchanged', () => {
+        // Test when input contains only spaces
+        const inputText = '   ';
+        const result = convertToLTRForComposer(inputText);
+        expect(result).toBe(inputText);
+    });
+
+    test('Input with existing LTR marker remains unchanged', () => {
+        // Test when input already starts with the LTR marker
+        const inputText = `${CONST.UNICODE.LTR}مثال`;
+        const result = convertToLTRForComposer(inputText);
+        expect(result).toBe(inputText);
+    });
+
+    test('Input starting with native emojis remains unchanged', () => {
+        // Test when input starts with the native emojis
+        const inputText = '🧶';
+        const result = convertToLTRForComposer(inputText);
+        expect(result).toBe(inputText);
+    });
+
+    test('Input is empty', () => {
+        // Test when input is empty to check for draft comments
+        const inputText = '';
+        const result = convertToLTRForComposer(inputText);
+        expect(result.length).toBe(0);
+    });
+
+    test('input with special characters remains unchanged', () => {
+        // Test when input contains special characters
+        const specialCharacters = ['!', '@', '#', '$', '%', '^', '&', '*', '(', ')', '_', '+', '-', '=', '{', '}', '[', ']', '"', ':', ';', '<', '>', '?', '`', '~'];
+        specialCharacters.forEach((character) => {
+            const result = convertToLTRForComposer(character);
+            expect(result).toBe(character);
+        });
+    });
+});