Fix: Add validation for invalid date query parameter values

packages/pg/lib/utils.js

@@ -60,6 +60,9 @@ var prepareValue = function (val, seen) {
     return buf.slice(val.byteOffset, val.byteOffset + val.byteLength) // Node.js v4 does not support those Buffer.from params
   }
   if (val instanceof Date) {
+    if (isNaN(val.getTime())) {
+      throw new Error('Query parameter value cannot be an invalid date.')
+    }
     if (defaults.parseInputDatesAsUTC) {
       return dateToStringUTC(val)
     } else {

packages/pg/test/integration/client/error-handling-tests.js

@@ -257,3 +257,18 @@ suite.test('cannot pass non-string values to query as text', (done) => {
     })
   })
 })
+
+if (!helper.args.native) {
+  suite.test('when a query has an invalid date binding', function (done) {
+    var client = createErorrClient()
+    var calledDone = false
+
+    client.query(new pg.Query({ text: 'SELECT $1::timestamp', values: [new Date(undefined)] }), function (err, res) {
+      if (!calledDone) {
+        calledDone = true
+        assert.equal(err.message, 'Query parameter value cannot be an invalid date.')
+        client.end(done)
+      }
+    })
+  })
+}