From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 21:33:14 +0200
Subject: Adding upstream version 115.7.0esr.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../jit-test/tests/basic/testMissingProperties.js  | 49 ++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 js/src/jit-test/tests/basic/testMissingProperties.js

(limited to 'js/src/jit-test/tests/basic/testMissingProperties.js')

diff --git a/js/src/jit-test/tests/basic/testMissingProperties.js b/js/src/jit-test/tests/basic/testMissingProperties.js
new file mode 100644
index 0000000000..71512c6f5c
--- /dev/null
+++ b/js/src/jit-test/tests/basic/testMissingProperties.js
@@ -0,0 +1,49 @@
+function isnan(n) { return n !== n }
+
+function f(x) {
+    var sum = 0;
+    for (var i = 0; i < 100; ++i)
+        sum += x.x;
+    return sum;
+}
+var o = {};
+assertEq(isnan(f(o)), true);
+o.x = 1;
+assertEq(f(o), 100);
+var o = {a:1, b:2};
+assertEq(isnan(f(o)), true);
+o.x = 2;
+assertEq(f(o), 200);
+
+function g(x) {
+    var sum = 0;
+    for (var i = 0; i < 100; ++i)
+        sum += x.x;
+    return sum;
+}
+var o = {c:1, x:1};
+assertEq(g(o), 100);
+var o = {};
+assertEq(isnan(g(o)), true);
+
+function h(x) {
+    var sum = 0;
+    for (var i = 0; i < 100; ++i)
+        sum += x.x;
+    return sum;
+}
+
+var proto1 = {};
+var proto2 = Object.create(proto1);
+var o = Object.create(proto2);
+assertEq(isnan(f(o)), true);
+assertEq(isnan(g(o)), true);
+assertEq(isnan(h(o)), true);
+proto2.x = 2;
+assertEq(f(o), 200);
+assertEq(g(o), 200);
+assertEq(h(o), 200);
+var o = {}
+assertEq(isnan(f(o)), true);
+assertEq(isnan(g(o)), true);
+assertEq(isnan(h(o)), true);
-- 
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