add ?. PrivateIdentifier test (#1612)

compat-table · Apr 28, 2020 · 4f9c321 · 4f9c321
1 parent 9e07df3
commit 4f9c321
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diff --git a/data-esnext.js b/data-esnext.js
@@ -904,6 +904,31 @@ exports.tests = [
         graalvm20: true,
       }
     },
+    {
+      name: 'optional private instance class fields access',
+      exec: function () {/*
+        class C {
+          #x = 42;
+          x(o = this){
+            return o?.#x;
+          }
+        }
+        return new C().x() === 42 && new C().x(null) === void 0;
+      */},
+      res: {
+        ie11: false,
+        firefox2: false,
+        chrome1: false,
+        chrome83: false,
+        chrome84: true,
+        safari1: false,
+        safari13_1: false,
+        opera10_50: false,
+        graalvm20: false,
+        babel7corejs3: false,
+        typescript3_8corejs3: false,
+      }
+    },
     {
       name: 'computed instance class fields',
       exec: function () {/*