From 70930405f8bdf43c05a77cb3dcbdadcbd3c9ab70 Mon Sep 17 00:00:00 2001
From: Tyler Schicke <tyler_schicke@brown.edu>
Date: Mon, 20 May 2019 19:10:10 -0400
Subject: PDF and Image test Context work

---
 src/new_fields/Doc.ts | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

(limited to 'src/new_fields')

diff --git a/src/new_fields/Doc.ts b/src/new_fields/Doc.ts
index f4514c33e..92d3c140a 100644
--- a/src/new_fields/Doc.ts
+++ b/src/new_fields/Doc.ts
@@ -149,6 +149,9 @@ export namespace Doc {
     export function GetT<T extends Field>(doc: Doc, key: string, ctor: ToConstructor<T>, ignoreProto: boolean = false): FieldResult<T> {
         return Cast(Get(doc, key, ignoreProto), ctor) as FieldResult<T>;
     }
+    export function IsPrototype(doc: Doc) {
+        return GetT(doc, "isPrototype", "boolean", true);
+    }
     export async function SetOnPrototype(doc: Doc, key: string, value: Field) {
         const proto = Object.getOwnPropertyNames(doc).indexOf("isPrototype") === -1 ? doc.proto : doc;
 
@@ -180,11 +183,11 @@ export namespace Doc {
 
     // compare whether documents or their protos match
     export function AreProtosEqual(doc: Doc, other: Doc) {
-        let r = (doc[Id] === other[Id]);
-        let r2 = (doc.proto && doc.proto.Id === other[Id]);
-        let r3 = (other.proto && other.proto.Id === doc[Id]);
-        let r4 = (doc.proto && other.proto && doc.proto[Id] === other.proto[Id]);
-        return r || r2 || r3 || r4 ? true : false;
+        let r = (doc === other);
+        let r2 = (doc.proto === other);
+        let r3 = (other.proto === doc);
+        let r4 = (doc.proto === other.proto);
+        return r || r2 || r3 || r4;
     }
 
     // gets the document's prototype or returns the document if it is a prototype
-- 
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