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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/src/tests/non262/destructuring/rest-parameter-spread-call-optimization.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | js/src/tests/non262/destructuring/rest-parameter-spread-call-optimization.js | 29 |
1 files changed, 29 insertions, 0 deletions
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); |