mirror of https://github.com/tc39/test262.git
59 lines
2.3 KiB
JavaScript
59 lines
2.3 KiB
JavaScript
// Copyright (C) 2023 the V8 project authors. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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esid: sec-json.parse
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description: >
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Context argument and its source property behave as expected when parsing an
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ArrayLiteral JSON string
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includes: [compareArray.js, propertyHelper.js]
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features: [json-parse-with-source]
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---*/
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function assertOnlyOwnProperties(object, props, message) {
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assert.compareArray(Object.getOwnPropertyNames(object), props, `${message}: object should have no other properties than expected`);
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assert.compareArray(Object.getOwnPropertySymbols(object), [], `${message}: object should have no own symbol properties`);
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}
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function reviverWithExpectedSources(expectedSources) {
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let i = 0;
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return function reviver(key, value, context) {
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assert.sameValue(typeof context, "object", "context should be an object");
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assert.sameValue(Object.getPrototypeOf(context), Object.prototype, "context should be a plain object");
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if (expectedSources[i] !== undefined) {
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assertOnlyOwnProperties(context, ["source"],
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"the JSON value is a primitve value, its context should only have a source property");
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verifyProperty(context, "source", {
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value: expectedSources[i++],
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configurable: true,
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enumerable: true,
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writable: true,
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}, { restore: true });
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} else {
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assertOnlyOwnProperties(context, [],
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"the JSON value is an Array or Object, its context should have no property");
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i++;
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}
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return value;
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};
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}
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assert.compareArray(JSON.parse('[1.0]', reviverWithExpectedSources(['1.0'])), [1]);
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assert.compareArray(
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JSON.parse('[1.1]', reviverWithExpectedSources(['1.1'])),
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[1.1]
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);
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assert.compareArray(JSON.parse('[]', reviverWithExpectedSources([])), []);
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const longArray = JSON.parse(
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'[1, "2", true, null, {"x": 1, "y": 1}]',
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reviverWithExpectedSources(['1', '"2"', 'true', 'null', '1', '1'])
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);
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assert.sameValue(longArray[0], 1, "array, element 0");
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assert.sameValue(longArray[1], "2", "array, element 1");
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assert.sameValue(longArray[2], true, "array, element 2");
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assert.sameValue(longArray[3], null, "array, element 3");
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assertOnlyOwnProperties(longArray[4], ["x", "y"], "array, element 5");
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assert.sameValue(longArray[4].x, 1, "array, element 5, prop x");
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assert.sameValue(longArray[4].y, 1, "array, element 5, prop y");
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