Adding upstream version 86.0.1.upstream/86.0.1upstream

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

1 files changed, 54 insertions, 0 deletions

diff --git a/js/src/tests/test262/language/expressions/new/spread-obj-with-overrides.js b/js/src/tests/test262/language/expressions/new/spread-obj-with-overrides.js
new file mode 100644
index 0000000000..46fea85d29
--- /dev/null
+++ b/js/src/tests/test262/language/expressions/new/spread-obj-with-overrides.js
@@ -0,0 +1,54 @@
+// This file was procedurally generated from the following sources:
+// - src/spread/obj-with-overrides.case
+// - src/spread/default/member-expr.template
+/*---
+description: Object Spread properties being overriden (`new` operator)
+esid: sec-new-operator-runtime-semantics-evaluation
+features: [Symbol, object-spread]
+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.
+       [...]
+
+    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 o = {a: 2, b: 3, c: 4, e: undefined, f: null, g: false};
+
+
+var callCount = 0;
+
+new function(obj) {
+  assert.sameValue(obj.a, 1);
+  assert.sameValue(obj.b, 7);
+  assert.sameValue(obj.c, 4);
+  assert.sameValue(obj.d, 5);
+  assert(obj.hasOwnProperty("e"));
+  assert.sameValue(obj.f, null);
+  assert.sameValue(obj.g, false);
+  assert.sameValue(obj.h, -0);
+  assert.sameValue(obj.i.toString(), "Symbol(foo)");
+  assert(Object.is(obj.j, o));
+  assert.sameValue(Object.keys(obj).length, 10);
+  callCount += 1;
+}({...o, a: 1, b: 7, d: 5, h: -0, i: Symbol("foo"), j: o});
+
+assert.sameValue(callCount, 1);
+
+reportCompare(0, 0);