Adding upstream version 86.0.1.upstream/86.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 53 insertions, 0 deletions

diff --git a/js/src/tests/test262/language/expressions/new/spread-sngl-expr.js b/js/src/tests/test262/language/expressions/new/spread-sngl-expr.js
new file mode 100644
index 0000000000..0b3f28bdc3
--- /dev/null
+++ b/js/src/tests/test262/language/expressions/new/spread-sngl-expr.js
@@ -0,0 +1,53 @@
+// This file was procedurally generated from the following sources:
+// - src/spread/sngl-expr.case
+// - src/spread/default/member-expr.template
+/*---
+description: Spread operator applied to AssignmentExpression as only element (`new` operator)
+esid: sec-new-operator-runtime-semantics-evaluation
+flags: [generated]
+info: |
+    MemberExpression : new MemberExpression Arguments
+
+    1. Return EvaluateNew(MemberExpression, Arguments).
+
+    12.3.3.1.1 Runtime Semantics: EvaluateNew
+
+    6. If arguments is empty, let argList be an empty List.
+    7. Else,
+       a. Let argList be ArgumentListEvaluation of arguments.
+       [...]
+
+    12.3.6.1 Runtime Semantics: ArgumentListEvaluation
+
+    ArgumentList : ... AssignmentExpression
+
+    1. Let list be an empty List.
+    2. Let spreadRef be the result of evaluating AssignmentExpression.
+    3. Let spreadObj be GetValue(spreadRef).
+    4. Let iterator be GetIterator(spreadObj).
+    5. ReturnIfAbrupt(iterator).
+    6. Repeat
+       a. Let next be IteratorStep(iterator).
+       b. ReturnIfAbrupt(next).
+       c. If next is false, return list.
+       d. Let nextArg be IteratorValue(next).
+       e. ReturnIfAbrupt(nextArg).
+       f. Append nextArg as the last element of list.
+---*/
+var source = [2, 3, 4];
+var target;
+
+var callCount = 0;
+
+new function() {
+  assert.sameValue(arguments.length, 3);
+  assert.sameValue(arguments[0], 2);
+  assert.sameValue(arguments[1], 3);
+  assert.sameValue(arguments[2], 4);
+  assert.sameValue(target, source);
+  callCount += 1;
+}(...target = source);
+
+assert.sameValue(callCount, 1);
+
+reportCompare(0, 0);