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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/fun-apply-null-undefined.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/fun-apply-null-undefined.js')
-rw-r--r--js/src/jit-test/tests/cacheir/fun-apply-null-undefined.js36
1 files changed, 36 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/cacheir/fun-apply-null-undefined.js b/js/src/jit-test/tests/cacheir/fun-apply-null-undefined.js
new file mode 100644
index 0000000000..b310df577b
--- /dev/null
+++ b/js/src/jit-test/tests/cacheir/fun-apply-null-undefined.js
@@ -0,0 +1,36 @@
+function testBasic() {
+ var thisVal = {};
+ var arr = [1, 2, 3];
+ var f = function() {
+ assertEq(this, thisVal);
+ assertEq(arguments.length, 0);
+ return 456;
+ };
+ for (var i = 0; i < 100; i++) {
+ // Scripted callee.
+ assertEq(f.apply(thisVal), 456);
+ assertEq(f.apply(thisVal), 456);
+ assertEq(f.apply(thisVal, null), 456);
+ assertEq(f.apply(thisVal, undefined), 456);
+
+ // Native callee.
+ assertEq(Math.abs.apply(), NaN);
+ assertEq(Math.abs.apply(null), NaN);
+ assertEq(Math.abs.apply(null, null), NaN);
+ assertEq(Array.prototype.join.apply(arr), "1,2,3");
+ assertEq(Array.prototype.join.apply(arr, null), "1,2,3");
+ assertEq(Array.prototype.join.apply(arr, undefined), "1,2,3");
+ }
+}
+testBasic();
+
+function testUndefinedGuard() {
+ var f = function() { return arguments.length; }
+ var arr = [-5, 5];
+ for (var i = 0; i < 100; i++) {
+ var args = i < 50 ? undefined : arr;
+ assertEq(f.apply(null, args), i < 50 ? 0 : 2);
+ assertEq(Math.abs.apply(null, args), i < 50 ? NaN : 5);
+ }
+}
+testUndefinedGuard();