From 8b9f7acacd463183bf51a2444f074cdf834c2f28 Mon Sep 17 00:00:00 2001
From: Sergey Zelenov <sergey.zelenov@mongodb.com>
Date: Mon, 22 Sep 2025 10:44:13 +0200
Subject: [PATCH 1/2] test(NODE-7165): convert to .ts

---
 .../{decimal128.test.js => decimal128.test.ts}  | 17 ++++++++---------
 1 file changed, 8 insertions(+), 9 deletions(-)
 rename test/integration/bson-decimal128/{decimal128.test.js => decimal128.test.ts} (62%)

diff --git a/test/integration/bson-decimal128/decimal128.test.js b/test/integration/bson-decimal128/decimal128.test.ts
similarity index 62%
rename from test/integration/bson-decimal128/decimal128.test.js
rename to test/integration/bson-decimal128/decimal128.test.ts
index 81b33ce6a46..11cd87c4c7c 100644
--- a/test/integration/bson-decimal128/decimal128.test.js
+++ b/test/integration/bson-decimal128/decimal128.test.ts
@@ -1,8 +1,7 @@
-'use strict';
-const { assert: test } = require('../shared');
-const { expect } = require('chai');
-const { setupDatabase } = require('../shared');
-const { Decimal128 } = require('../../mongodb');
+import { expect } from 'chai';
+
+import { Decimal128 } from '../../mongodb';
+import { assert as test, setupDatabase } from '../shared';
 
 describe('Decimal128', function () {
   before(function () {
@@ -10,10 +9,10 @@ describe('Decimal128', function () {
   });
 
   it('should correctly insert decimal128 value', function (done) {
-    var configuration = this.configuration;
-    var client = configuration.newClient(configuration.writeConcernMax(), { maxPoolSize: 1 });
-    var db = client.db(configuration.db);
-    var object = {
+    const configuration = this.configuration;
+    const client = configuration.newClient(configuration.writeConcernMax(), { maxPoolSize: 1 });
+    const db = client.db(configuration.db);
+    const object = {
       id: 1,
       value: Decimal128.fromString('1.28')
     };

From 78dfe9e27fcbcc082d928cb29e33564a5a76849a Mon Sep 17 00:00:00 2001
From: Sergey Zelenov <sergey.zelenov@mongodb.com>
Date: Mon, 22 Sep 2025 11:05:32 +0200
Subject: [PATCH 2/2] test(NODE-7165): use direct import from `src`, use
 `async/await`

---
 .../bson-decimal128/decimal128.test.ts        | 42 ++++++++-----------
 1 file changed, 18 insertions(+), 24 deletions(-)

diff --git a/test/integration/bson-decimal128/decimal128.test.ts b/test/integration/bson-decimal128/decimal128.test.ts
index 11cd87c4c7c..73e7bab69a4 100644
--- a/test/integration/bson-decimal128/decimal128.test.ts
+++ b/test/integration/bson-decimal128/decimal128.test.ts
@@ -1,37 +1,31 @@
 import { expect } from 'chai';
 
-import { Decimal128 } from '../../mongodb';
-import { assert as test, setupDatabase } from '../shared';
+import { type Collection, Decimal128, type MongoClient } from '../../../src';
 
 describe('Decimal128', function () {
-  before(function () {
-    return setupDatabase(this.configuration);
+  let client: MongoClient;
+  let collection: Collection;
+
+  beforeEach(async function () {
+    client = this.configuration.newClient();
+    collection = client.db('decimal128').collection('decimal128');
+  });
+
+  afterEach(async function () {
+    await client.close();
   });
 
-  it('should correctly insert decimal128 value', function (done) {
-    const configuration = this.configuration;
-    const client = configuration.newClient(configuration.writeConcernMax(), { maxPoolSize: 1 });
-    const db = client.db(configuration.db);
+  it('should correctly insert decimal128 value', async function () {
     const object = {
       id: 1,
       value: Decimal128.fromString('1.28')
     };
-
-    db.collection('decimal128').insertOne(object, function (err) {
-      expect(err).to.not.exist;
-
-      db.collection('decimal128').findOne(
-        {
-          id: 1
-        },
-        function (err, doc) {
-          expect(err).to.not.exist;
-          test.ok(doc.value instanceof Decimal128);
-          test.equal('1.28', doc.value.toString());
-
-          client.close(done);
-        }
-      );
+    await collection.insertOne(object);
+    const doc = await collection.findOne({
+      id: 1
     });
+
+    expect(doc.value).to.be.instanceof(Decimal128);
+    expect(doc.value.toString()).to.equal('1.28');
   });
 });