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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/generators/properties.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/generators/properties.js | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/js/src/tests/non262/generators/properties.js b/js/src/tests/non262/generators/properties.js new file mode 100644 index 0000000000..7782e64c06 --- /dev/null +++ b/js/src/tests/non262/generators/properties.js @@ -0,0 +1,111 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +function assertOwnDescriptor(object, propertyKey, expected) { + var desc = Object.getOwnPropertyDescriptor(object, propertyKey); + if (desc === undefined) { + assertEq(expected, undefined, "Property shouldn't be present"); + return; + } + + assertEq(desc.enumerable, expected.enumerable, `${String(propertyKey)}.[[Enumerable]]`); + assertEq(desc.configurable, expected.configurable, `${String(propertyKey)}.[[Configurable]]`); + + if (Object.prototype.hasOwnProperty.call(desc, "value")) { + assertEq(desc.value, expected.value, `${String(propertyKey)}.[[Value]]`); + assertEq(desc.writable, expected.writable, `${String(propertyKey)}.[[Writable]]`); + } else { + assertEq(desc.get, expected.get, `${String(propertyKey)}.[[Get]]`); + assertEq(desc.set, expected.set, `${String(propertyKey)}.[[Set]]`); + } +} + +function* generator(){} +var GeneratorFunctionPrototype = Object.getPrototypeOf(generator); +var GeneratorFunction = GeneratorFunctionPrototype.constructor; +var GeneratorPrototype = GeneratorFunctionPrototype.prototype; + + +// ES2017, 25.2.2 Properties of the GeneratorFunction Constructor + +assertEqArray(Object.getOwnPropertyNames(GeneratorFunction).sort(), ["length", "name", "prototype"]); +assertEqArray(Object.getOwnPropertySymbols(GeneratorFunction), []); + +assertOwnDescriptor(GeneratorFunction, "length", { + value: 1, writable: false, enumerable: false, configurable: true +}); + +assertOwnDescriptor(GeneratorFunction, "name", { + value: "GeneratorFunction", writable: false, enumerable: false, configurable: true +}); + +assertOwnDescriptor(GeneratorFunction, "prototype", { + value: GeneratorFunctionPrototype, writable: false, enumerable: false, configurable: false +}); + + +// ES2017, 25.2.3 Properties of the GeneratorFunction Prototype Object + +assertEqArray(Object.getOwnPropertyNames(GeneratorFunctionPrototype).sort(), ["constructor", "prototype"]); +assertEqArray(Object.getOwnPropertySymbols(GeneratorFunctionPrototype), [Symbol.toStringTag]); + +assertOwnDescriptor(GeneratorFunctionPrototype, "constructor", { + value: GeneratorFunction, writable: false, enumerable: false, configurable: true +}); + +assertOwnDescriptor(GeneratorFunctionPrototype, "prototype", { + value: GeneratorPrototype, writable: false, enumerable: false, configurable: true +}); + +assertOwnDescriptor(GeneratorFunctionPrototype, Symbol.toStringTag, { + value: "GeneratorFunction", writable: false, enumerable: false, configurable: true +}); + + +// ES2017, 25.2.4 GeneratorFunction Instances + +assertEqArray(Object.getOwnPropertyNames(generator).sort(), ["length", "name", "prototype"]); +assertEqArray(Object.getOwnPropertySymbols(generator), []); + +assertOwnDescriptor(generator, "length", { + value: 0, writable: false, enumerable: false, configurable: true +}); + +assertOwnDescriptor(generator, "name", { + value: "generator", writable: false, enumerable: false, configurable: true +}); + +assertOwnDescriptor(generator, "prototype", { + value: generator.prototype, writable: true, enumerable: false, configurable: false +}); + + +// ES2017, 25.3.1 Properties of Generator Prototype + +assertEqArray(Object.getOwnPropertyNames(GeneratorPrototype).sort(), ["constructor", "next", "return", "throw"]); +assertEqArray(Object.getOwnPropertySymbols(GeneratorPrototype), [Symbol.toStringTag]); + +assertOwnDescriptor(GeneratorPrototype, "constructor", { + value: GeneratorFunctionPrototype, writable: false, enumerable: false, configurable: true +}); + +assertOwnDescriptor(GeneratorPrototype, "next", { + value: GeneratorPrototype.next, writable: true, enumerable: false, configurable: true +}); + +assertOwnDescriptor(GeneratorPrototype, "return", { + value: GeneratorPrototype.return, writable: true, enumerable: false, configurable: true +}); + +assertOwnDescriptor(GeneratorPrototype, "throw", { + value: GeneratorPrototype.throw, writable: true, enumerable: false, configurable: true +}); + +assertOwnDescriptor(GeneratorPrototype, Symbol.toStringTag, { + value: "Generator", writable: false, enumerable: false, configurable: true +}); + + +if (typeof reportCompare == "function") + reportCompare(true, true); |