Allow get [symbol] syntax in object literals

Author: andreabergia

rhino/src/main/java/org/mozilla/javascript/ScriptRuntime.java

@@ -4885,7 +4885,8 @@ public static void fillObjectLiteral(
                 Callable getterOrSetter = (Callable) value;
                 boolean isSetter = getterSetter == 1;
                 Integer index = id instanceof Integer ? (Integer) id : null;
-                String key = index == null ? ScriptRuntime.toString(id) : null;
+                Object key = index != null ? null : 
+                        (id instanceof Symbol ? id : ScriptRuntime.toString(id));
                 so.setGetterOrSetter(key, index == null ? 0 : index, getterOrSetter, isSetter);
             }
         }

rhino/src/main/java/org/mozilla/javascript/ScriptableObject.java

@@ -559,8 +559,8 @@ public void setAttributes(Symbol key, int attributes) {
 
     /** Implement the legacy "__defineGetter__" and "__defineSetter__" methods. */
     public void setGetterOrSetter(
-            String name, int index, Callable getterOrSetter, boolean isSetter) {
-        if (name != null && index != 0) throw new IllegalArgumentException(name);
+            Object name, int index, Callable getterOrSetter, boolean isSetter) {
+        if (name != null && index != 0) throw new IllegalArgumentException(name.toString());
         checkNotSealed(name, index);
 
         AccessorSlot aSlot;

tests/src/test/java/org/mozilla/javascript/tests/ComputedPropertiesTest.java

@@ -109,6 +109,20 @@ public void computedPropertyNameForGetterSetterWork() {
                 });
     }
 
+    @Test
+    public void computedPropertyNameAsSymbolForGetterSetterWork() {
+        Utils.runWithAllOptimizationLevels(
+                cx -> {
+                    cx.setLanguageVersion(Context.VERSION_ES6);
+                    String script = "var o = { get [Symbol.toStringTag]() { return 'foo'; }}; o.toString()";
+
+                    ScriptableObject scope = cx.initStandardObjects();
+                    Object value = cx.evaluateString(scope, script, "test", 1, null);
+                    assertEquals("[object foo]", value);
+                    return null;
+                });
+    }
+ 
     @Test
     public void yieldWorksForPropertyValues() {
         Utils.runWithAllOptimizationLevels(

tests/testsrc/test262.properties

@@ -1010,8 +1010,7 @@ built-ins/Math 51/327 (15.6%)
 
 built-ins/NaN 0/6 (0.0%)
 
-built-ins/NativeErrors 29/123 (23.58%)
-    AggregateError/errors-iterabletolist-failures.js
+built-ins/NativeErrors 28/123 (22.76%)
     AggregateError/is-a-constructor.js {unsupported: [Reflect.construct]}
     AggregateError/newtarget-proto-custom.js {unsupported: [Reflect.construct]}
     AggregateError/newtarget-proto-fallback.js
@@ -1063,7 +1062,7 @@ built-ins/Number 24/335 (7.16%)
     S9.3.1_A3_T1_U180E.js {unsupported: [u180e]}
     S9.3.1_A3_T2_U180E.js {unsupported: [u180e]}
 
-built-ins/Object 216/3408 (6.34%)
+built-ins/Object 215/3408 (6.31%)
     assign/assignment-to-readonly-property-of-target-must-throw-a-typeerror-exception.js
     assign/not-a-constructor.js {unsupported: [Reflect.construct]}
     assign/source-own-prop-desc-missing.js {unsupported: [Proxy]}
@@ -1133,7 +1132,6 @@ built-ins/Object 216/3408 (6.34%)
     freeze/throws-when-false.js
     freeze/typedarray-backed-by-resizable-buffer.js {unsupported: [resizable-arraybuffer]}
     fromEntries/not-a-constructor.js {unsupported: [Reflect.construct]}
-    fromEntries/uses-keys-not-iterator.js
     getOwnPropertyDescriptors/not-a-constructor.js {unsupported: [Reflect.construct]}
     getOwnPropertyDescriptors/observable-operations.js {unsupported: [Proxy]}
     getOwnPropertyDescriptors/order-after-define-property.js {unsupported: [Reflect]}
@@ -1679,7 +1677,7 @@ built-ins/Promise 406/631 (64.34%)
 
 ~built-ins/Reflect
 
-built-ins/RegExp 1152/1854 (62.14%)
+built-ins/RegExp 1151/1854 (62.08%)
     CharacterClassEscapes 24/24 (100.0%)
     dotall 4/4 (100.0%)
     escape 20/20 (100.0%)
@@ -1762,7 +1760,6 @@ built-ins/RegExp 1152/1854 (62.14%)
     prototype/Symbol.matchAll/isregexp-this-throws.js
     prototype/Symbol.matchAll/not-a-constructor.js {unsupported: [Reflect.construct]}
     prototype/Symbol.matchAll/species-constructor.js
-    prototype/Symbol.matchAll/species-constructor-get-species-throws.js
     prototype/Symbol.matchAll/this-get-flags.js
     prototype/Symbol.matchAll/this-not-object-throws.js
     prototype/Symbol.matchAll/this-tostring-flags.js
@@ -2136,7 +2133,7 @@ built-ins/SetIteratorPrototype 0/11 (0.0%)
 
 ~built-ins/SharedArrayBuffer
 
-built-ins/String 101/1182 (8.54%)
+built-ins/String 93/1182 (7.87%)
     fromCharCode/not-a-constructor.js {unsupported: [Reflect.construct]}
     fromCodePoint/not-a-constructor.js {unsupported: [Reflect.construct]}
     prototype/charAt/not-a-constructor.js {unsupported: [Reflect.construct]}
@@ -2222,15 +2219,7 @@ built-ins/String 101/1182 (8.54%)
     prototype/toWellFormed/not-a-constructor.js {unsupported: [Reflect.construct]}
     prototype/toWellFormed/to-string-primitive.js
     prototype/trimEnd/not-a-constructor.js {unsupported: [Reflect.construct]}
-    prototype/trimEnd/this-value-object-toprimitive-call-err.js
-    prototype/trimEnd/this-value-object-toprimitive-meth-priority.js
-    prototype/trimEnd/this-value-object-tostring-meth-priority.js
-    prototype/trimEnd/this-value-object-valueof-meth-priority.js
     prototype/trimStart/not-a-constructor.js {unsupported: [Reflect.construct]}
-    prototype/trimStart/this-value-object-toprimitive-call-err.js
-    prototype/trimStart/this-value-object-toprimitive-meth-priority.js
-    prototype/trimStart/this-value-object-tostring-meth-priority.js
-    prototype/trimStart/this-value-object-valueof-meth-priority.js
     prototype/trim/not-a-constructor.js {unsupported: [Reflect.construct]}
     prototype/trim/u180e.js {unsupported: [u180e]}
     prototype/valueOf/non-generic-realm.js
@@ -3512,13 +3501,11 @@ language/comments 9/52 (17.31%)
     multi-line-asi-line-separator.js
     multi-line-asi-paragraph-separator.js
 
-language/computed-property-names 37/48 (77.08%)
+language/computed-property-names 35/48 (72.92%)
     class/accessor 4/4 (100.0%)
     class/method 11/11 (100.0%)
     class/static 14/14 (100.0%)
-    object/accessor/getter.js
     object/accessor/getter-super.js
-    object/accessor/setter.js
     object/accessor/setter-super.js
     object/method/generator.js
     object/method/super.js