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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/jit-test/tests/cacheir/add-function-prototype.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/jit-test/tests/cacheir/add-function-prototype.js')
-rw-r--r-- | js/src/jit-test/tests/cacheir/add-function-prototype.js | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/cacheir/add-function-prototype.js b/js/src/jit-test/tests/cacheir/add-function-prototype.js new file mode 100644 index 0000000000..e5a77d75df --- /dev/null +++ b/js/src/jit-test/tests/cacheir/add-function-prototype.js @@ -0,0 +1,55 @@ +function checkPrototype(fun, proto, resolvesPrototype) { + var desc = Object.getOwnPropertyDescriptor(fun, "prototype"); + assertEq(desc.value, proto); + assertEq(desc.configurable, !resolvesPrototype); + assertEq(desc.enumerable, !resolvesPrototype); + assertEq(desc.writable, true); +} +function addPrototype(fun, proto, resolvesPrototype) { + fun.prototype = proto; + checkPrototype(fun, proto, resolvesPrototype); +} +function test() { + for (var i=0; i<50; i++) { + addPrototype(function() {}, i, true); + addPrototype(function*() {}, i, true); + addPrototype(function async() {}, i, true); + // Builtins, arrow functions, bound functions don't have a default + // prototype property. + addPrototype(Math.abs, i, false); + addPrototype(Array.prototype.map, i, false); + addPrototype(() => 1, i, false); + addPrototype((function() {}).bind(null), i, false); + } + + // Now test this with a different IC for each function type. + for (var i=0; i<50; i++) { + var f = function() {}; + f.prototype = i; + checkPrototype(f, i, true); + + f = function*() {}; + f.prototype = i; + checkPrototype(f, i, true); + + f = function async() {}; + f.prototype = i; + checkPrototype(f, i, true); + + Math.sin.prototype = i; + checkPrototype(Math.sin, i, false); + + Array.prototype.filter.prototype = i; + checkPrototype(Array.prototype.filter, i, false); + + f = () => 1; + f.prototype = i; + checkPrototype(f, i, false); + + f = (function() {}).bind(null); + f.prototype = i; + checkPrototype(f, i, false); + } + +} +test(); |