From 68bfc8d15af07635212b74f7af164621135ae78a Mon Sep 17 00:00:00 2001
From: yeonjuan <yeonjuan93@naver.com>
Date: Fri, 1 Mar 2024 00:58:06 +0900
Subject: [PATCH 1/3] test(eslint-plugin): [no-unnecessary-type-assertion] add
 tests with noUncheckedIndexedAccess

---
 .../no-unnecessary-type-assertion.test.ts     | 42 +++++++++++++++++++
 1 file changed, 42 insertions(+)

diff --git a/packages/eslint-plugin/tests/rules/no-unnecessary-type-assertion.test.ts b/packages/eslint-plugin/tests/rules/no-unnecessary-type-assertion.test.ts
index 3eb36636a839..948d40952e1f 100644
--- a/packages/eslint-plugin/tests/rules/no-unnecessary-type-assertion.test.ts
+++ b/packages/eslint-plugin/tests/rules/no-unnecessary-type-assertion.test.ts
@@ -13,6 +13,11 @@ const ruleTester = new RuleTester({
   parser: '@typescript-eslint/parser',
 });
 
+const optionsWithOnUncheckedIndexedAccess = {
+  tsconfigRootDir: rootDir,
+  project: './tsconfig.noUncheckedIndexedAccess.json',
+};
+
 ruleTester.run('no-unnecessary-type-assertion', rule, {
   valid: [
     `
@@ -242,6 +247,17 @@ const item = arr[0] as object;
 declare const arr: (object | undefined)[];
 const item = <object>arr[0];
     `,
+    {
+      code: `
+function foo(item: string) {}
+function bar(items: string[]) {
+  for (let i = 0; i < items.length; i++) {
+    foo(items[i]!);
+  }
+}
+      `,
+      parserOptions: optionsWithOnUncheckedIndexedAccess,
+    },
   ],
 
   invalid: [
@@ -815,5 +831,31 @@ const foo = (3 + 5);
         },
       ],
     },
+    // onUncheckedIndexedAccess = false
+    {
+      code: `
+function foo(item: string) {}
+function bar(items: string[]) {
+  for (let i = 0; i < items.length; i++) {
+    foo(items[i]!);
+  }
+}
+      `,
+      output: `
+function foo(item: string) {}
+function bar(items: string[]) {
+  for (let i = 0; i < items.length; i++) {
+    foo(items[i]);
+  }
+}
+      `,
+      errors: [
+        {
+          messageId: 'unnecessaryAssertion',
+          line: 5,
+          column: 9,
+        },
+      ],
+    },
   ],
 });

From 0de2bb7f8b3e9c48d378f13d0d6d62ba44656590 Mon Sep 17 00:00:00 2001
From: yeonjuan <yeonjuan93@naver.com>
Date: Sun, 3 Mar 2024 16:00:08 +0900
Subject: [PATCH 2/3] set noUncheckedIndexedAccess false

---
 packages/eslint-plugin/tests/fixtures/tsconfig.json | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/packages/eslint-plugin/tests/fixtures/tsconfig.json b/packages/eslint-plugin/tests/fixtures/tsconfig.json
index 6ae5e64730b1..6b6e5bdc553b 100644
--- a/packages/eslint-plugin/tests/fixtures/tsconfig.json
+++ b/packages/eslint-plugin/tests/fixtures/tsconfig.json
@@ -6,7 +6,8 @@
     "strict": true,
     "esModuleInterop": true,
     "lib": ["es2015", "es2017", "esnext"],
-    "experimentalDecorators": true
+    "experimentalDecorators": true,
+    "noUncheckedIndexedAccess": false
   },
   "include": [
     "file.ts",

From ac7c4bf049eacd4388497ef527aaff146ac1680a Mon Sep 17 00:00:00 2001
From: yeonjuan <yeonjuan93@naver.com>
Date: Sun, 3 Mar 2024 17:40:22 +0900
Subject: [PATCH 3/3] fixup

---
 packages/eslint-plugin/tests/fixtures/tsconfig.json            | 3 +--
 .../tests/rules/no-unnecessary-type-assertion.test.ts          | 1 +
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/packages/eslint-plugin/tests/fixtures/tsconfig.json b/packages/eslint-plugin/tests/fixtures/tsconfig.json
index 6b6e5bdc553b..6ae5e64730b1 100644
--- a/packages/eslint-plugin/tests/fixtures/tsconfig.json
+++ b/packages/eslint-plugin/tests/fixtures/tsconfig.json
@@ -6,8 +6,7 @@
     "strict": true,
     "esModuleInterop": true,
     "lib": ["es2015", "es2017", "esnext"],
-    "experimentalDecorators": true,
-    "noUncheckedIndexedAccess": false
+    "experimentalDecorators": true
   },
   "include": [
     "file.ts",
diff --git a/packages/eslint-plugin/tests/rules/no-unnecessary-type-assertion.test.ts b/packages/eslint-plugin/tests/rules/no-unnecessary-type-assertion.test.ts
index 948d40952e1f..581cae6fb4e5 100644
--- a/packages/eslint-plugin/tests/rules/no-unnecessary-type-assertion.test.ts
+++ b/packages/eslint-plugin/tests/rules/no-unnecessary-type-assertion.test.ts
@@ -6,6 +6,7 @@ import rule from '../../src/rules/no-unnecessary-type-assertion';
 const rootDir = path.resolve(__dirname, '../fixtures/');
 const ruleTester = new RuleTester({
   parserOptions: {
+    EXPERIMENTAL_useProjectService: false,
     sourceType: 'module',
     tsconfigRootDir: rootDir,
     project: './tsconfig.json',

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