Fix: Convert cross-realm date to local date before query

Author: trentonallan

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

@@ -5,17 +5,21 @@ const vm = require('vm')
 const suite = new helper.Suite()
 
 suite.testAsync('Handle date objects as Date', async () => {
-  // Create a valid date timestamp first
+  // Create a valid timestamp
   const timestamp = Date.now()
-  // Create cross-realm date with the valid timestamp
+  // Create cross-realm date with valid timestamp and immediately get its value
   const crossRealmDate = await vm.runInNewContext(`new Date(${timestamp})`)
   assert(!(crossRealmDate instanceof Date))
-  // Create local date with same timestamp
+  // Extract the time value while it's still valid
+  const crossRealmTime = crossRealmDate.getTime()
+  // Create local dates from the timestamps
   const date = new Date(timestamp)
+  const crossRealmDateLocal = new Date(crossRealmTime)
   const client = new helper.pg.Client()
   await client.connect()
   await client.query('CREATE TEMP TABLE foo(bar timestamptz, bar2 timestamptz)')
-  await client.query('INSERT INTO foo(bar, bar2) VALUES($1, $2)', [date, crossRealmDate])
+  // Use the local date objects, not the cross-realm one
+  await client.query('INSERT INTO foo(bar, bar2) VALUES($1, $2)', [date, crossRealmDateLocal])
   const results = await client.query('SELECT * FROM foo')
   const row = results.rows[0]
   assert.deepStrictEqual(row.bar, date)