summaryrefslogtreecommitdiffstats
path: root/js/src/tests/test262/built-ins/Array/prototype/concat/create-species-non-extensible-spreadable.js
diff options
context:
space:
mode:
Diffstat (limited to 'js/src/tests/test262/built-ins/Array/prototype/concat/create-species-non-extensible-spreadable.js')
-rw-r--r--js/src/tests/test262/built-ins/Array/prototype/concat/create-species-non-extensible-spreadable.js45
1 files changed, 45 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/concat/create-species-non-extensible-spreadable.js b/js/src/tests/test262/built-ins/Array/prototype/concat/create-species-non-extensible-spreadable.js
new file mode 100644
index 0000000000..f2d43b7293
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/concat/create-species-non-extensible-spreadable.js
@@ -0,0 +1,45 @@
+// 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.concat
+description: >
+ TypeError is thrown if CreateDataProperty fails.
+ (result object is non-extensible, argument is spreadable)
+info: |
+ Array.prototype.concat ( ...arguments )
+
+ [...]
+ 5. Repeat, while items is not empty
+ [...]
+ c. If spreadable is true, then
+ [...]
+ iv. Repeat, while k < len
+ [...]
+ 3. If exists is true, then
+ [...]
+ b. Perform ? CreateDataPropertyOrThrow(A, ! ToString(n), subElement).
+ [...]
+
+ 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) {
+ this.length = 0;
+ Object.preventExtensions(this);
+};
+
+var arr = [];
+arr.constructor = {};
+arr.constructor[Symbol.species] = A;
+
+assert.throws(TypeError, function() {
+ arr.concat([1]);
+}, 'arr.concat([1]) throws a TypeError exception');
+
+reportCompare(0, 0);