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-rw-r--r--js/src/tests/test262/language/expressions/array/spread-obj-null.js45
1 files changed, 45 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/expressions/array/spread-obj-null.js b/js/src/tests/test262/language/expressions/array/spread-obj-null.js
new file mode 100644
index 0000000000..ae106cfd5c
--- /dev/null
+++ b/js/src/tests/test262/language/expressions/array/spread-obj-null.js
@@ -0,0 +1,45 @@
+// This file was procedurally generated from the following sources:
+// - src/spread/obj-null.case
+// - src/spread/default/array.template
+/*---
+description: Null Object Spread is ignored (Array initializer)
+esid: sec-runtime-semantics-arrayaccumulation
+features: [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).
+
+---*/
+
+var callCount = 0;
+
+(function(obj) {
+ assert.sameValue(Object.keys(obj).length, 0);
+ callCount += 1;
+}.apply(null, [{...null}]));
+
+assert.sameValue(callCount, 1);
+
+reportCompare(0, 0);