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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/test262/language/statements/class/subclass/builtin-objects/Array/regular-subclassing.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 'js/src/tests/test262/language/statements/class/subclass/builtin-objects/Array/regular-subclassing.js')
-rw-r--r-- | js/src/tests/test262/language/statements/class/subclass/builtin-objects/Array/regular-subclassing.js | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Array/regular-subclassing.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Array/regular-subclassing.js new file mode 100644 index 0000000000..3b5df29719 --- /dev/null +++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Array/regular-subclassing.js @@ -0,0 +1,35 @@ +// Copyright (C) 2016 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +es6id: 22.1.1 +description: Subclassing Array +info: | + 22.1.1 The Array Constructor + + The Array constructor is designed to be subclassable. It may be used as the + value of an extends clause of a class definition. (...) +includes: [compareArray.js] +---*/ + +class Sub extends Array {} + +var a1 = new Sub(42, 'foo'); + +assert.sameValue(a1.length, 2); +assert.sameValue(a1[0], 42); +assert.sameValue(a1[1], 'foo'); + +a1.push(true); +assert.sameValue(a1.length, 3, 'Array#push updates the length property'); +assert.sameValue(a1[0], 42); +assert.sameValue(a1[1], 'foo'); +assert.sameValue(a1[2], true, 'Adds new item'); + +var a2 = new Sub(7); +assert.sameValue(a2.length, 7); + +var a3 = new Sub(); +assert.compareArray(a3, []); +assert.sameValue(a3.length, 0); + +reportCompare(0, 0); |