fs: make ReadStream throw error on NaN

This test makes fs.ReadStream throw an error when either start or
end is NaN.

Fixes: nodejs#19715

lib/fs.js

@@ -2008,12 +2008,12 @@ function ReadStream(path, options) {
   this.closed = false;
 
   if (this.start !== undefined) {
-    if (typeof this.start !== 'number') {
+    if (typeof this.start !== 'number' || Number.isNaN(this.start)) {
       throw new ERR_INVALID_ARG_TYPE('start', 'number', this.start);
     }
     if (this.end === undefined) {
       this.end = Infinity;
-    } else if (typeof this.end !== 'number') {
+    } else if (typeof this.end !== 'number' || Number.isNaN(this.end)) {
       throw new ERR_INVALID_ARG_TYPE('end', 'number', this.end);
     }
 
@@ -2028,7 +2028,7 @@ function ReadStream(path, options) {
   // Backwards compatibility: Make sure `end` is a number regardless of `start`.
   // TODO(addaleax): Make the above typecheck not depend on `start` instead.
   // (That is a semver-major change).
-  if (typeof this.end !== 'number')
+  if (typeof this.end !== 'number' || Number.isNaN(this.end))
     this.end = Infinity;
 
   if (typeof this.fd !== 'number')