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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/Intl/NumberFormat/cross-compartment.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/Intl/NumberFormat/cross-compartment.js | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/js/src/tests/non262/Intl/NumberFormat/cross-compartment.js b/js/src/tests/non262/Intl/NumberFormat/cross-compartment.js new file mode 100644 index 0000000000..806f889d6f --- /dev/null +++ b/js/src/tests/non262/Intl/NumberFormat/cross-compartment.js @@ -0,0 +1,70 @@ +// |reftest| skip-if(!this.hasOwnProperty("Intl")) + +var otherGlobal = newGlobal(); + +var numberFormat = new Intl.NumberFormat(); +var ccwNumberFormat = new otherGlobal.Intl.NumberFormat(); + +// Test Intl.NumberFormat.prototype.format with a CCW object. +var Intl_NumberFormat_format_get = Object.getOwnPropertyDescriptor(Intl.NumberFormat.prototype, "format").get; + +assertEq(Intl_NumberFormat_format_get.call(ccwNumberFormat)(0), + Intl_NumberFormat_format_get.call(numberFormat)(0)); + +// Test Intl.NumberFormat.prototype.formatToParts with a CCW object. +var Intl_NumberFormat_formatToParts = Intl.NumberFormat.prototype.formatToParts; + +assertEq(deepEqual(Intl_NumberFormat_formatToParts.call(ccwNumberFormat, 0), + Intl_NumberFormat_formatToParts.call(numberFormat, 0)), + true); + +// Test Intl.NumberFormat.prototype.resolvedOptions with a CCW object. +var Intl_NumberFormat_resolvedOptions = Intl.NumberFormat.prototype.resolvedOptions; + +assertEq(deepEqual(Intl_NumberFormat_resolvedOptions.call(ccwNumberFormat), + Intl_NumberFormat_resolvedOptions.call(numberFormat)), + true); + +// Special case for Intl.NumberFormat: The Intl fallback symbol. + +function fallbackSymbol(global) { + var NF = global.Intl.NumberFormat; + return Object.getOwnPropertySymbols(NF.call(Object.create(NF.prototype)))[0]; +} + +const intlFallbackSymbol = fallbackSymbol(this); +const otherIntlFallbackSymbol = fallbackSymbol(otherGlobal); +assertEq(intlFallbackSymbol === otherIntlFallbackSymbol, false); + +// Test when the fallback symbol points to a CCW NumberFormat object. +var objWithFallbackCCWNumberFormat = { + __proto__: Intl.NumberFormat.prototype, + [intlFallbackSymbol]: ccwNumberFormat, +}; + +assertEq(Intl_NumberFormat_format_get.call(objWithFallbackCCWNumberFormat)(0), + Intl_NumberFormat_format_get.call(numberFormat)(0)); + +assertEq(deepEqual(Intl_NumberFormat_resolvedOptions.call(objWithFallbackCCWNumberFormat), + Intl_NumberFormat_resolvedOptions.call(numberFormat)), + true); + +// Ensure the fallback symbol(s) are not accessed for CCW NumberFormat objects. +var ccwNumberFormatWithPoisonedFallback = new otherGlobal.Intl.NumberFormat(); +Object.setPrototypeOf(ccwNumberFormatWithPoisonedFallback, Intl.NumberFormat.prototype); +Object.defineProperty(ccwNumberFormatWithPoisonedFallback, intlFallbackSymbol, { + get() { throw new Error(); } +}); +Object.defineProperty(ccwNumberFormatWithPoisonedFallback, otherIntlFallbackSymbol, { + get() { throw new Error(); } +}); + +assertEq(Intl_NumberFormat_format_get.call(ccwNumberFormatWithPoisonedFallback)(0), + Intl_NumberFormat_format_get.call(numberFormat)(0)); + +assertEq(deepEqual(Intl_NumberFormat_resolvedOptions.call(ccwNumberFormatWithPoisonedFallback), + Intl_NumberFormat_resolvedOptions.call(numberFormat)), + true); + +if (typeof reportCompare === "function") + reportCompare(true, true); |