adding tests

test/membrane/document-all.spec.js

@@ -0,0 +1,22 @@
+import createSecureEnvironment from '../../lib/browser-realm.js';
+
+describe('document.all', () => {
+    it('should change the value of its yellow typeof from "undefined" to "object"', function() {
+        // expect.assertions(2);
+        const evalScript = createSecureEnvironment();
+        expect(typeof document.all).toBe("undefined");
+        evalScript(`
+            // observable difference between a regular dom and a sandboxed dom
+            expect(typeof document.all).toBe("object");
+        `);
+    });
+    it('should work throughout the membrane', function() {
+        // expect.assertions(3);
+        const evalScript = createSecureEnvironment();
+        evalScript(`
+            expect(document.all.length > 1).toBeTrue();
+            expect(document.all[0].ownerDocument).toBe(document); // comparison in red
+            expect(document.all[0].ownerDocument === document).toBeTrue(); // comparison in yellow
+        `);
+    });
+});