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-rw-r--r--js/src/tests/test262/built-ins/Array/prototype/splice/target-array-with-non-configurable-property.js43
1 files changed, 43 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/splice/target-array-with-non-configurable-property.js b/js/src/tests/test262/built-ins/Array/prototype/splice/target-array-with-non-configurable-property.js
new file mode 100644
index 0000000000..93727a9a1c
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+++ b/js/src/tests/test262/built-ins/Array/prototype/splice/target-array-with-non-configurable-property.js
@@ -0,0 +1,43 @@
+// Copyright (C) 2020 Alexey Shvayka. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.splice
+description: >
+ TypeError is thrown if CreateDataProperty fails.
+ (result object's "0" is non-configurable)
+info: |
+ Array.prototype.splice ( start, deleteCount, ...items )
+
+ [...]
+ 11. Repeat, while k < actualDeleteCount
+ [...]
+ c. If fromPresent is true, then
+ [...]
+ ii. Perform ? CreateDataPropertyOrThrow(A, ! ToString(k), fromValue).
+ [...]
+
+ CreateDataPropertyOrThrow ( O, P, V )
+
+ [...]
+ 3. Let success be ? CreateDataProperty(O, P, V).
+ 4. If success is false, throw a TypeError exception.
+features: [Symbol.species]
+---*/
+
+var A = function(_length) {
+ Object.defineProperty(this, "0", {
+ writable: true,
+ configurable: false,
+ });
+};
+
+var arr = [1];
+arr.constructor = {};
+arr.constructor[Symbol.species] = A;
+
+assert.throws(TypeError, function() {
+ arr.splice(0);
+});
+
+reportCompare(0, 0);