From 19da0c73aee1180fff04f7331b18fa8a5ec3173b Mon Sep 17 00:00:00 2001
From: "Dr Mark C. Sinclair" <markcsinclair@gmail.com>
Date: Wed, 27 Nov 2024 05:48:51 +0000
Subject: [PATCH] chore(developer): add four additional test cases

---
 .../test/ldml-keyboard/test-string-list.ts      | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/common/web/types/test/ldml-keyboard/test-string-list.ts b/common/web/types/test/ldml-keyboard/test-string-list.ts
index ba20041329..db5853d99d 100644
--- a/common/web/types/test/ldml-keyboard/test-string-list.ts
+++ b/common/web/types/test/ldml-keyboard/test-string-list.ts
@@ -94,6 +94,11 @@ describe('Test of String-List', () => {
       const listItemTwo = initListItem(["abc", "def", "ghi"]);
       assert.isTrue(listItemOne.isEqual(listItemTwo));
     });
+    it('isEqual should return false for different ListItems', () => {
+      const listItemOne = initListItem(["abc", "def", "ghi"]);
+      const listItemTwo = initListItem(["abd", "def", "ghi"]);
+      assert.isFalse(listItemOne.isEqual(listItemTwo));
+    });
     it('isEqual should return false for different length ListItems', () => {
       const listItemOne = initListItem(["abc", "def"]);
       const listItemTwo = initListItem(["abc", "def", "ghi"]);
@@ -116,6 +121,10 @@ describe('Test of String-List', () => {
     const listItem = initListItem(["abc", "def", "ghi"]);
     assert.isTrue(listItem.isEqual(["abc", "def", "ghi"]));
   });
+  it('isEqual should return false for different ListItem and string[]', () => {
+    const listItem = initListItem(["abc", "def", "ghi"]);
+    assert.isFalse(listItem.isEqual(["abd", "def", "ghi"]));
+  });
   it('isEqual should return false for different length ListItem and string[]', () => {
     const listItem = initListItem(["abc", "def"]);
     assert.isFalse(listItem.isEqual(["abc", "def", "ghi"]));
@@ -159,11 +168,19 @@ describe('Test of String-List', () => {
     const listItem = initListItem(["abc", "def", "ghi"]);
     assert.deepEqual(listItem.toString(), "abc def ghi");
   });
+  it('toString should return correct string for empty ListItem', () => {
+    const listItem = new ListItem;
+    assert.deepEqual(listItem.toString(), "");
+  });
   it('toStringArray should return correct string[]', () => {
     const source   = ["abc", "def", "ghi"];
     const listItem = initListItem(source);
     assert.deepEqual(listItem.toStringArray(), source);
   });
+  it('toStringArray should return correct string[] for empty ListItem', () => {
+    const listItem = new ListItem;
+    assert.deepEqual(listItem.toStringArray(), []);
+  });
 });
 
 function stubSectionsStrsAllocString(s?: string, opts?: StrsOptions, sections?: DependencySections): StrsItem {