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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/object-constructor.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/object-constructor.js')
-rw-r--r-- | js/src/jit-test/tests/cacheir/object-constructor.js | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/cacheir/object-constructor.js b/js/src/jit-test/tests/cacheir/object-constructor.js new file mode 100644 index 0000000000..144e732a09 --- /dev/null +++ b/js/src/jit-test/tests/cacheir/object-constructor.js @@ -0,0 +1,76 @@ +// Test various inlinable Object constructor calls. + +function callNoArgs() { + for (let i = 0; i < 100; ++i) { + let obj = Object(); + + // Creates a new empty object. + assertEq(Reflect.getPrototypeOf(obj), Object.prototype); + assertEq(Reflect.ownKeys(obj).length, 0); + } +} +for (let i = 0; i < 2; ++i) callNoArgs(); + +function constructNoArgs() { + for (let i = 0; i < 100; ++i) { + let obj = new Object(); + + // Creates a new empty object. + assertEq(Reflect.getPrototypeOf(obj), Object.prototype); + assertEq(Reflect.ownKeys(obj).length, 0); + } +} +for (let i = 0; i < 2; ++i) constructNoArgs(); + +function funCallNoArgs() { + // NB: Function.prototype.call is only inlined when the thisValue argument is present. + const thisValue = null; + + for (let i = 0; i < 100; ++i) { + let obj = Object.call(thisValue); + + // Creates a new empty object. + assertEq(Reflect.getPrototypeOf(obj), Object.prototype); + assertEq(Reflect.ownKeys(obj).length, 0); + } +} +for (let i = 0; i < 2; ++i) funCallNoArgs(); + +function callObjectArg() { + let xs = [{}, {}]; + for (let i = 0; i < 100; ++i) { + let x = xs[i & 1]; + let obj = Object(x); + + // Returns the input object. + assertEq(obj, x); + } +} +for (let i = 0; i < 2; ++i) callObjectArg(); + +function constructObjectArg() { + let xs = [{}, {}]; + for (let i = 0; i < 100; ++i) { + let x = xs[i & 1]; + let obj = new Object(x); + + // Returns the input object. + assertEq(obj, x); + } +} +for (let i = 0; i < 2; ++i) constructObjectArg(); + +function funCallObjectArg() { + // NB: Function.prototype.call is only inlined when the thisValue argument is present. + const thisValue = null; + + let xs = [{}, {}]; + for (let i = 0; i < 100; ++i) { + let x = xs[i & 1]; + let obj = Object.call(thisValue, x); + + // Returns the input object. + assertEq(obj, x); + } +} +for (let i = 0; i < 2; ++i) funCallObjectArg(); |