add test for PR 2862

Author: Srayman

packages/pg/test/integration/gh-issues/2862-tests.js

@@ -0,0 +1,27 @@
+'use strict'
+var helper = require('./../test-helper')
+var assert = require('assert')
+var util = require('util')
+var vm = require('node:vm');
+
+const suite = new helper.Suite()
+
+suite.test('Handle date objects as Date', async (done) => {
+  const date = new Date();
+  const dateObj = await vm.runInNewContext('new Date()');
+  assert(!(dateObj instanceof Date))
+  assert(util.types.isDate(dateObj))
+  const client = new helper.pg.Client()
+  client.connect()
+
+  await client.query('CREATE TEMP TABLE foo(bar TIMESTAMP, bar2 TIMESTAMP)')
+  await client.query('INSERT INTO foo(bar, bar2) VALUES($1, $2)', [date, dateObj])
+  const results = await client.query('SELECT * FROM foo')
+  const row = results.rows[0]
+  const dbDate = row.bar
+  const dbDateObj = row.bar2
+  assert.deepEqual(dbDate, date)
+  assert.deepEqual(dbDateObj, dateObj)
+  await client.end()
+  done()
+})