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-rw-r--r--js/src/tests/test262/built-ins/Array/prototype/splice/target-array-with-non-writable-property.js38
1 files changed, 38 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/splice/target-array-with-non-writable-property.js b/js/src/tests/test262/built-ins/Array/prototype/splice/target-array-with-non-writable-property.js
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index 0000000000..fe3a478fa3
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+++ b/js/src/tests/test262/built-ins/Array/prototype/splice/target-array-with-non-writable-property.js
@@ -0,0 +1,38 @@
+// Copyright (C) 2018 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.splice
+description: >
+ Non-writable properties are overwritten by CreateDataPropertyOrThrow.
+info: |
+ 22.1.3.26 Array.prototype.splice ( start, deleteCount, ...items )
+
+ ...
+ 11. Repeat, while k < actualDeleteCount
+ ...
+ c. If fromPresent is true, then
+ ...
+ ii. Perform ? CreateDataPropertyOrThrow(A, ! ToString(k), fromValue).
+ ...
+features: [Symbol.species]
+includes: [propertyHelper.js]
+---*/
+
+var a = [1];
+a.constructor = {};
+a.constructor[Symbol.species] = function(len) {
+ var q = new Array(0);
+ Object.defineProperty(q, 0, {
+ value: 0, writable: false, configurable: true, enumerable: false,
+ });
+ return q;
+};
+
+var r = a.splice(0);
+
+verifyProperty(r, 0, {
+ value: 1, writable: true, configurable: true, enumerable: true,
+});
+
+reportCompare(0, 0);