8065804: JEP 171: Clarifications/corrections for fence intrinsics
Reviewed-by: dholmes, shade, dl, psandoz
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/**
* JDK-8026858: Array length does not handle defined properties correctly
*
* @test
* @run
*/
var arr = [];
Object.defineProperty(arr, "3", {value: 1 /* configurable: false */});
if (arr[3] != 1) {
throw new Error("arr[3] not defined");
}
if (arr.length !== 4) {
throw new Error("Array length not updated to 4");
}
Object.defineProperty(arr, "5", {value: 1, configurable: true});
if (arr[5] != 1) {
throw new Error("arr[5] not defined");
}
if (arr.length !== 6) {
throw new Error("Array length not updated to 4");
}
arr.length = 0;
if (5 in arr) {
throw new Error("configurable element was not deleted");
}
if (arr[3] != 1) {
throw new Error("non-configurable element was deleted");
}
if (arr.length !== 4) {
throw new Error("Array length not set");
}