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 --- js/src/jit-test/tests/proxy/testDirectProxySet9.js | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 js/src/jit-test/tests/proxy/testDirectProxySet9.js (limited to 'js/src/jit-test/tests/proxy/testDirectProxySet9.js') diff --git a/js/src/jit-test/tests/proxy/testDirectProxySet9.js b/js/src/jit-test/tests/proxy/testDirectProxySet9.js new file mode 100644 index 0000000000..7a08b3c0cd --- /dev/null +++ b/js/src/jit-test/tests/proxy/testDirectProxySet9.js @@ -0,0 +1,20 @@ +// Assigning to a proxy with no set handler calls the defineProperty handler +// when an existing own data property already exists on the target. + +var t = {x: 1}; +var p = new Proxy(t, { + defineProperty(t, id, desc) { + hits++; + + // ES6 draft rev 28 (2014 Oct 14) 9.1.9 step 5.e.i. + // Since the property already exists, the system only changes + // the value. desc is otherwise empty. + assertEq(Object.getOwnPropertyNames(desc).join(","), "value"); + assertEq(desc.value, 42); + return true; + } +}); +var hits = 0; +p.x = 42; +assertEq(hits, 1); +assertEq(t.x, 1); -- cgit v1.2.3