diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
---|---|---|
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/call.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/call.js | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/js/src/tests/non262/Intl/NumberFormat/call.js b/js/src/tests/non262/Intl/NumberFormat/call.js new file mode 100644 index 0000000000..14ecf99eb5 --- /dev/null +++ b/js/src/tests/non262/Intl/NumberFormat/call.js @@ -0,0 +1,184 @@ +// |reftest| skip-if(!this.hasOwnProperty("Intl")) + +function IsIntlService(c) { + return typeof c === "function" && + c.hasOwnProperty("prototype") && + c.prototype.hasOwnProperty("resolvedOptions"); +} + +function IsObject(o) { + return Object(o) === o; +} + +function IsPrimitive(o) { + return Object(o) !== o; +} + +function thisValues() { + const intlConstructors = Object.getOwnPropertyNames(Intl).map(name => Intl[name]).filter(IsIntlService); + + return [ + // Primitive values. + ...[undefined, null, true, "abc", Symbol(), 123], + + // Object values. + ...[{}, [], /(?:)/, function(){}, new Proxy({}, {})], + + // Intl objects. + ...[].concat(...intlConstructors.map(ctor => { + let args = []; + if (ctor === Intl.DisplayNames) { + // Intl.DisplayNames can't be constructed without any arguments. + args = [undefined, {type: "language"}]; + } + + return [ + // Instance of an Intl constructor. + new ctor(...args), + + // Instance of a subclassed Intl constructor. + new class extends ctor {}(...args), + + // Object inheriting from an Intl constructor prototype. + Object.create(ctor.prototype), + + // Intl object not inheriting from its default prototype. + Object.setPrototypeOf(new ctor(...args), Object.prototype), + ]; + })), + ]; +} + +const intlFallbackSymbol = Object.getOwnPropertySymbols(Intl.NumberFormat.call(Object.create(Intl.NumberFormat.prototype)))[0]; + +// Invoking [[Call]] for Intl.NumberFormat returns a new instance unless called +// with an instance inheriting from Intl.NumberFormat.prototype. +for (let thisValue of thisValues()) { + let obj = Intl.NumberFormat.call(thisValue); + + if (!Intl.NumberFormat.prototype.isPrototypeOf(thisValue)) { + assertEq(Object.is(obj, thisValue), false); + assertEq(obj instanceof Intl.NumberFormat, true); + if (IsObject(thisValue)) + assertEqArray(Object.getOwnPropertySymbols(thisValue), []); + } else { + assertEq(Object.is(obj, thisValue), true); + assertEq(obj instanceof Intl.NumberFormat, true); + assertEqArray(Object.getOwnPropertySymbols(thisValue), [intlFallbackSymbol]); + } +} + +// Intl.NumberFormat uses the legacy Intl constructor compromise semantics. +// - Test when InstanceofOperator(thisValue, %NumberFormat%) returns true. +for (let thisValue of thisValues().filter(IsObject)) { + let isPrototypeOf = Intl.NumberFormat.prototype.isPrototypeOf(thisValue); + let hasInstanceCalled = false; + Object.defineProperty(Intl.NumberFormat, Symbol.hasInstance, { + value() { + assertEq(hasInstanceCalled, false); + hasInstanceCalled = true; + return true; + }, configurable: true + }); + let obj = Intl.NumberFormat.call(thisValue); + delete Intl.NumberFormat[Symbol.hasInstance]; + + assertEq(Object.is(obj, thisValue), isPrototypeOf); + assertEq(hasInstanceCalled, false); + assertEqArray(Object.getOwnPropertySymbols(thisValue), isPrototypeOf ? [intlFallbackSymbol] : []); +} +// - Test when InstanceofOperator(thisValue, %NumberFormat%) returns false. +for (let thisValue of thisValues().filter(IsObject)) { + let isPrototypeOf = Intl.NumberFormat.prototype.isPrototypeOf(thisValue); + let hasInstanceCalled = false; + Object.defineProperty(Intl.NumberFormat, Symbol.hasInstance, { + value() { + assertEq(hasInstanceCalled, false); + hasInstanceCalled = true; + return false; + }, configurable: true + }); + let obj = Intl.NumberFormat.call(thisValue); + delete Intl.NumberFormat[Symbol.hasInstance]; + + assertEq(Object.is(obj, thisValue), isPrototypeOf); + assertEq(obj instanceof Intl.NumberFormat, true); + assertEq(hasInstanceCalled, false); + assertEqArray(Object.getOwnPropertySymbols(thisValue), isPrototypeOf ? [intlFallbackSymbol] : []); +} +// - Test with primitive values. +for (let thisValue of thisValues().filter(IsPrimitive)) { + // Ensure @@hasInstance is not called. + Object.defineProperty(Intl.NumberFormat, Symbol.hasInstance, { + value() { assertEq(true, false); }, configurable: true + }); + let obj = Intl.NumberFormat.call(thisValue); + delete Intl.NumberFormat[Symbol.hasInstance]; + + assertEq(Object.is(obj, thisValue), false); + assertEq(obj instanceof Intl.NumberFormat, true); +} + +// Throws an error when attempting to install [[FallbackSymbol]] twice. +{ + let thisValue = Object.create(Intl.NumberFormat.prototype); + assertEqArray(Object.getOwnPropertySymbols(thisValue), []); + + assertEq(Intl.NumberFormat.call(thisValue), thisValue); + assertEqArray(Object.getOwnPropertySymbols(thisValue), [intlFallbackSymbol]); + + assertThrowsInstanceOf(() => Intl.NumberFormat.call(thisValue), TypeError); + assertEqArray(Object.getOwnPropertySymbols(thisValue), [intlFallbackSymbol]); +} + +// Throws an error when the thisValue is non-extensible. +{ + let thisValue = Object.create(Intl.NumberFormat.prototype); + Object.preventExtensions(thisValue); + + assertThrowsInstanceOf(() => Intl.NumberFormat.call(thisValue), TypeError); + assertEqArray(Object.getOwnPropertySymbols(thisValue), []); +} + +// [[FallbackSymbol]] is installed as a frozen property holding an Intl.NumberFormat instance. +{ + let thisValue = Object.create(Intl.NumberFormat.prototype); + Intl.NumberFormat.call(thisValue); + + let desc = Object.getOwnPropertyDescriptor(thisValue, intlFallbackSymbol); + assertEq(desc !== undefined, true); + assertEq(desc.writable, false); + assertEq(desc.enumerable, false); + assertEq(desc.configurable, false); + assertEq(desc.value instanceof Intl.NumberFormat, true); +} + +// Ensure [[FallbackSymbol]] is installed last by changing the [[Prototype]] +// during initialization. +{ + let thisValue = {}; + let options = { + get useGrouping() { + Object.setPrototypeOf(thisValue, Intl.NumberFormat.prototype); + return false; + } + }; + let obj = Intl.NumberFormat.call(thisValue, undefined, options); + assertEq(Object.is(obj, thisValue), true); + assertEqArray(Object.getOwnPropertySymbols(thisValue), [intlFallbackSymbol]); +} +{ + let thisValue = Object.create(Intl.NumberFormat.prototype); + let options = { + get useGrouping() { + Object.setPrototypeOf(thisValue, Object.prototype); + return false; + } + }; + let obj = Intl.NumberFormat.call(thisValue, undefined, options); + assertEq(Object.is(obj, thisValue), false); + assertEqArray(Object.getOwnPropertySymbols(thisValue), []); +} + +if (typeof reportCompare === "function") + reportCompare(true, true); |