1 files changed, 53 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/expressions/array/spread-obj-symbol-property.js b/js/src/tests/test262/language/expressions/array/spread-obj-symbol-property.js
new file mode 100644
index 0000000000..ee945e67da
--- /dev/null
+++ b/js/src/tests/test262/language/expressions/array/spread-obj-symbol-property.js
@@ -0,0 +1,53 @@
+// This file was procedurally generated from the following sources:
+// - src/spread/obj-symbol-property.case
+// - src/spread/default/array.template
+/*---
+description: Spread operation where source object contains Symbol properties (Array initializer)
+esid: sec-runtime-semantics-arrayaccumulation
+features: [Symbol, object-spread]
+flags: [generated]
+info: |
+    SpreadElement : ...AssignmentExpression
+
+    1. Let spreadRef be the result of evaluating AssignmentExpression.
+    2. Let spreadObj be ? GetValue(spreadRef).
+    3. Let iterator be ? GetIterator(spreadObj).
+    4. Repeat
+       a. Let next be ? IteratorStep(iterator).
+       b. If next is false, return nextIndex.
+       c. Let nextValue be ? IteratorValue(next).
+       d. Let status be CreateDataProperty(array, ToString(ToUint32(nextIndex)),
+          nextValue).
+       e. Assert: status is true.
+       f. Let nextIndex be nextIndex + 1.
+
+    Pending Runtime Semantics: PropertyDefinitionEvaluation
+
+    PropertyDefinition:...AssignmentExpression
+
+    1. Let exprValue be the result of evaluating AssignmentExpression.
+    2. Let fromValue be GetValue(exprValue).
+    3. ReturnIfAbrupt(fromValue).
+    4. Let excludedNames be a new empty List.
+    5. Return CopyDataProperties(object, fromValue, excludedNames).
+
+---*/
+let symbol = Symbol('foo');
+let o = {};
+o[symbol] = 1;
+
+
+var callCount = 0;
+
+(function(obj) {
+  assert.sameValue(obj[symbol], 1);
+  assert(Object.hasOwnProperty.call(obj, symbol));
+  assert.sameValue(obj.c, 4);
+  assert.sameValue(obj.d, 5);
+  assert.sameValue(Object.keys(obj).length, 2);
+  callCount += 1;
+}.apply(null, [{...o, c: 4, d: 5}]));
+
+assert.sameValue(callCount, 1);
+
+reportCompare(0, 0);