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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.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.js | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/js/src/tests/non262/destructuring/rest-parameter.js b/js/src/tests/non262/destructuring/rest-parameter.js new file mode 100644 index 0000000000..50d77f3cc5 --- /dev/null +++ b/js/src/tests/non262/destructuring/rest-parameter.js @@ -0,0 +1,54 @@ +/* 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/. */ + +// Simple functional test for destructuring rest parameters. + +function arrayRest(...[a, b]) { + return a + b; +} +assertEq(arrayRest(3, 7), 10); + + +function arrayRestWithDefault(...[a, b = 1]) { + return a + b; +} +assertEq(arrayRestWithDefault(3, 7), 10); +assertEq(arrayRestWithDefault(4), 5); +assertEq(arrayRestWithDefault(4, undefined), 5); + + +function objectRest(...{length: len}) { + return len; +} +assertEq(objectRest(), 0); +assertEq(objectRest(10), 1); +assertEq(objectRest(10, 20), 2); + + +function objectRestWithDefault(...{0: a, 1: b = 1}) { + return a + b; +} +assertEq(objectRestWithDefault(3, 7), 10); +assertEq(objectRestWithDefault(4), 5); +assertEq(objectRestWithDefault(4, undefined), 5); + + +function arrayRestWithNestedRest(...[...r]) { + return r.length; +} +assertEq(arrayRestWithNestedRest(), 0); +assertEq(arrayRestWithNestedRest(10), 1); +assertEq(arrayRestWithNestedRest(10, 20), 2); + + +function arrayRestTDZ(...[a = a]) { } +assertThrowsInstanceOf(() => arrayRestTDZ(), ReferenceError); + + +function objectRestTDZ(...{a = a}) { } +assertThrowsInstanceOf(() => objectRestTDZ(), ReferenceError); + + +if (typeof reportCompare === "function") + reportCompare(0, 0); |