From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- ...store-dense-element-hole-non-writable-length.js | 55 ++++++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 js/src/jit-test/tests/cacheir/store-dense-element-hole-non-writable-length.js (limited to 'js/src/jit-test/tests/cacheir/store-dense-element-hole-non-writable-length.js') diff --git a/js/src/jit-test/tests/cacheir/store-dense-element-hole-non-writable-length.js b/js/src/jit-test/tests/cacheir/store-dense-element-hole-non-writable-length.js new file mode 100644 index 0000000000..468976332f --- /dev/null +++ b/js/src/jit-test/tests/cacheir/store-dense-element-hole-non-writable-length.js @@ -0,0 +1,55 @@ +// Store an element into a previous hole value and later add more elements +// exceeding the initialised length. Cover both mono- and polymorphic call +// sites. Change array length to non-writable during execution. + +function testStoreDenseHole() { + var array = [/* hole */, /* hole */, /* hole */, /* hole */, ]; + + function store(ar, index) { + ar[index] = index; + } + + for (var i = 0; i < 10; ++i) { + if (i === 5) { + Object.defineProperty(array, "length", {writable: false}); + } + store(array, i); + } + + assertEq(array.length, 5); + for (var i = 0; i < 5; ++i) { + assertEq(array[i], i); + } + for (var i = 5; i < 10; ++i) { + assertEq(i in array, false); + } +} +testStoreDenseHole(); + +function testStoreDenseHolePoly() { + var array = [/* hole */, /* hole */, /* hole */, /* hole */, ]; + + function store(ar, index) { + ar[index] = index; + } + + var objects = [array, {}]; + + for (var i = 0; i < 10; ++i) { + if (i === 5) { + Object.defineProperty(array, "length", {writable: false}); + } + for (var j = 0; j < objects.length; ++j) { + store(objects[j], i); + } + } + + assertEq(array.length, 5); + for (var i = 0; i < 5; ++i) { + assertEq(array[i], i); + } + for (var i = 5; i < 10; ++i) { + assertEq(i in array, false); + } +} +testStoreDenseHolePoly(); -- cgit v1.2.3