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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /js/src/jit-test/tests/cacheir/store-dense-element-hole-non-extensible.js
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/jit-test/tests/cacheir/store-dense-element-hole-non-extensible.js')
-rw-r--r--js/src/jit-test/tests/cacheir/store-dense-element-hole-non-extensible.js55
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diff --git a/js/src/jit-test/tests/cacheir/store-dense-element-hole-non-extensible.js b/js/src/jit-test/tests/cacheir/store-dense-element-hole-non-extensible.js
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+++ b/js/src/jit-test/tests/cacheir/store-dense-element-hole-non-extensible.js
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+// 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-extensible 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.preventExtensions(array);
+ }
+ 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.preventExtensions(array);
+ }
+ 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();