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 --- .../rest-parameter-spread-call-optimization.js | 29 ++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 js/src/tests/non262/destructuring/rest-parameter-spread-call-optimization.js (limited to 'js/src/tests/non262/destructuring/rest-parameter-spread-call-optimization.js') diff --git a/js/src/tests/non262/destructuring/rest-parameter-spread-call-optimization.js b/js/src/tests/non262/destructuring/rest-parameter-spread-call-optimization.js new file mode 100644 index 0000000000..20f6a529dc --- /dev/null +++ b/js/src/tests/non262/destructuring/rest-parameter-spread-call-optimization.js @@ -0,0 +1,29 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +// Ensure the spread-call optimization doesn't break when a destructuring rest +// parameter is used. + +function spreadTarget() { return arguments.length; } + +function spreadOpt(...[r]){ return spreadTarget(...r); } +assertEq(spreadOpt([]), 0); +assertEq(spreadOpt([10]), 1); +assertEq(spreadOpt([10, 20]), 2); +assertEq(spreadOpt([10, 20, 30]), 3); + +function spreadOpt2(...[...r]){ return spreadTarget(...r); } +assertEq(spreadOpt2(), 0); +assertEq(spreadOpt2(10), 1); +assertEq(spreadOpt2(10, 20), 2); +assertEq(spreadOpt2(10, 20, 30), 3); + +function spreadOpt3(r, ...[]){ return spreadTarget(...r); } +assertEq(spreadOpt3([]), 0); +assertEq(spreadOpt3([10]), 1); +assertEq(spreadOpt3([10, 20]), 2); +assertEq(spreadOpt3([10, 20, 30]), 3); + +if (typeof reportCompare === "function") + reportCompare(0, 0); -- cgit v1.2.3