org.eclipse.n4js.mangelhaft.assert/src-gen/org/eclipse/n4js/mangelhaft/assert/DeepEqual.js

An assert library used with the Mangelhaft testing framework.

// Generated by N4JS transpiler; for copyright see original N4JS source file.

import 'n4js-runtime'

export function deepEqual(actual, expected, ignorePrototype) {
	const shouldIgnorePrototype = (ignorePrototype == undefined) ? true : ignorePrototype;
	return deepEqualRec(actual, expected, new WeakMap(), shouldIgnorePrototype);
}
function deepEqualRec(actual, expected, visited, ignorePrototype) {
	if (!(actual instanceof Object) || !(expected instanceof Object)) {
		return actual === expected;
	}
	const actualObj = actual;
	const expectedObj = expected;
	if (!ignorePrototype) {
		const actualPrototype = Object.getPrototypeOf(actualObj);
		const expectedPrototype = Object.getPrototypeOf(expectedObj);
		if (actualPrototype !== expectedPrototype) {
			return false;
		}
	}
	const actualProperties = Object.keys(actualObj);
	const expectedProperties = Object.keys(expectedObj);
	if (actualProperties.length != expectedProperties.length) {
		return false;
	}
	actualProperties.sort();
	expectedProperties.sort();
	for(var i = 0;i < actualProperties.length;i++) {
		if (actualProperties[i] !== expectedProperties[i]) {
			return false;
		}
	}
	const elem = visited.get(actualObj);
	if (elem) {
		return elem == expectedObj;
	}
	visited.set(actualObj, expectedObj);
	for(i = 0;i < actualProperties.length;i++) {
		const isEqual = deepEqualRec(actualObj[actualProperties[i]], expectedObj[actualProperties[i]], visited, ignorePrototype);
		if (!isEqual) {
			return false;
		}
	}
	visited.delete(actualObj);
	return true;
}
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