8065804: JEP 171: Clarifications/corrections for fence intrinsics
Reviewed-by: dholmes, shade, dl, psandoz
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/**
* JDK-8026701: Array.prototype.splice is slow on dense arrays
*
* @test
* @run
*/
function testSplice(arr, e1, e2, e3) {
try {
print(arr);
print(arr.splice(3, 0, e1, e2, e3));
print(arr);
print(arr.splice(2, 3));
print(arr);
print(arr.splice(2, 3, arr[2], arr[3], arr[4]));
print(arr);
print(arr.splice(20, 10));
print(arr);
print(arr.splice(arr.length, 0, e1, e2, e3));
print(arr);
print(arr.splice(0, 2, arr[0], arr[1], arr[2], arr[3]));
print(arr);
} catch (error) {
print(error);
}
}
function convert(array, type) {
return (typeof Java === "undefined") ? array : Java.from(Java.to(array, type));
}
// run some splice tests on all dense array implementations
testSplice([1, 2, 3, 4, 5, 6, 7, 8, 9, 10], -1, -2, -3);
testSplice(convert([1, 2, 3, 4, 5, 6, 7, 8, 9, 10], "long[]"), -1, -2, -3);
testSplice(convert([1, 2, 3, 4, 5, 6, 7, 8, 9, 10], "double[]"), -1, -2, -3);
testSplice(["1", "2", "3", "4", "5", "6", "7", "8", "9", "10"], -1, -2, -3);
// test array conversion during splice
testSplice([1, 2, 3, 4, 5, 6, 7, 8, 9, 10], -1, "-2", "-3");
testSplice([1, 2, 3, 4, 5, 6, 7, 8, 9, 10], -1, -2.5, -3.5);
testSplice(convert([1, 2, 3, 4, 5, 6, 7, 8, 9, 10], "long[]"), -1, "-2", "-3");
testSplice(convert([1, 2, 3, 4, 5, 6, 7, 8, 9, 10], "long[]"), -1, -2.5, -3.5);
testSplice(convert([1, 2, 3, 4, 5, 6, 7, 8, 9, 10], "double[]"), -1, "-2", "-3");
// test combination with defined elements
testSplice(Object.defineProperty([1, 2, 3, 4, 5, 6, 7, 8, 9, 10], 5, {value: 13}), -1, -2, -3);
testSplice(Object.defineProperty([1, 2, 3, 4, 5, 6, 7, 8, 9, 10], 5, {value: 13, writable: false}), -1, -2, -3);
testSplice(Object.defineProperty([1, 2, 3, 4, 5, 6, 7, 8, 9, 10], 5, {value: 13, configurable: false}), -1, -2, -3);
testSplice(Object.defineProperty([1, 2, 3, 4, 5, 6, 7, 8, 9, 10], 5, {value: 13, writable: false, configurable: false}), -1, -2, -3);