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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /js/src/tests/non262/class/superPropChains.js | |
parent | Initial commit. (diff) | |
download | thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/tests/non262/class/superPropChains.js')
-rw-r--r-- | js/src/tests/non262/class/superPropChains.js | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/js/src/tests/non262/class/superPropChains.js b/js/src/tests/non262/class/superPropChains.js new file mode 100644 index 0000000000..e8c0de05cd --- /dev/null +++ b/js/src/tests/non262/class/superPropChains.js @@ -0,0 +1,58 @@ +// First, let's test the trivial. A chain of three works. +class base { + constructor() { } + testChain() { + this.baseCalled = true; + } +} + +class middle extends base { + constructor() { super(); } + testChain() { + this.middleCalled = true; + super.testChain(); + } +} + +class derived extends middle { + constructor() { super(); } + testChain() { + super.testChain(); + assertEq(this.middleCalled, true); + assertEq(this.baseCalled, true); + } +} + +new derived().testChain(); + +// Super even chains in a wellbehaved fashion with normal functions. +function bootlegMiddle() { } +bootlegMiddle.prototype = middle.prototype; + +new class extends bootlegMiddle { + constructor() { super(); } + testChain() { + super.testChain(); + assertEq(this.middleCalled, true); + assertEq(this.baseCalled, true); + } + }().testChain(); + +// Now let's try out some "long" chains +base.prototype.x = "yeehaw"; + +let chain = class extends base { constructor() { super(); } } + +const CHAIN_LENGTH = 100; +for (let i = 0; i < CHAIN_LENGTH; i++) + chain = class extends chain { constructor() { super(); } } + +// Now we poke the chain +let inst = new chain(); +inst.testChain(); +assertEq(inst.baseCalled, true); + +assertEq(inst.x, "yeehaw"); + +if (typeof reportCompare === 'function') + reportCompare(0,0,"OK"); |