summaryrefslogtreecommitdiffstats
path: root/js/src/tests/test262/built-ins/Atomics/load/validate-arraytype-before-index-coercion.js
diff options
context:
space:
mode:
Diffstat (limited to 'js/src/tests/test262/built-ins/Atomics/load/validate-arraytype-before-index-coercion.js')
-rw-r--r--js/src/tests/test262/built-ins/Atomics/load/validate-arraytype-before-index-coercion.js43
1 files changed, 43 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Atomics/load/validate-arraytype-before-index-coercion.js b/js/src/tests/test262/built-ins/Atomics/load/validate-arraytype-before-index-coercion.js
new file mode 100644
index 0000000000..70ef58f258
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Atomics/load/validate-arraytype-before-index-coercion.js
@@ -0,0 +1,43 @@
+// |reftest| skip-if(!this.hasOwnProperty('Atomics')) -- Atomics is not enabled unconditionally
+// Copyright (C) 2019 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-atomics.store
+description: >
+ TypedArray type is validated before `index` argument is coerced.
+info: |
+ 24.4.7 Atomics.load ( typedArray, index )
+ 1. Return ? AtomicLoad(typedArray, index).
+
+ 24.4.1.12 AtomicLoad ( typedArray, index )
+ 1. Let buffer be ? ValidateSharedIntegerTypedArray(typedArray).
+ ...
+
+ 24.4.1.1 ValidateSharedIntegerTypedArray ( typedArray [ , onlyInt32 ] )
+ ...
+ 4. Let typeName be typedArray.[[TypedArrayName]].
+ 5. If onlyInt32 is true, then
+ a. If typeName is not "Int32Array", throw a TypeError exception.
+ 6. Else,
+ a. If typeName is not "Int8Array", "Uint8Array", "Int16Array", "Uint16Array", "Int32Array",
+ or "Uint32Array", throw a TypeError exception.
+ ...
+includes: [testTypedArray.js]
+features: [Atomics, TypedArray]
+---*/
+
+var index = {
+ valueOf() {
+ throw new Test262Error("index coerced");
+ }
+};
+
+for (var badArrayType of nonAtomicsFriendlyTypedArrayConstructors) {
+ var typedArray = new badArrayType(new SharedArrayBuffer(8));
+ assert.throws(TypeError, function() {
+ Atomics.load(typedArray, index);
+ });
+}
+
+reportCompare(0, 0);