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

An assert library used with the Mangelhaft testing framework.

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

import 'n4js-runtime'

function replacer(key, value) {
	if (value === undefined) {
		return '' + value;
	}
	if (typeof value === 'number' && (isNaN(value) || !isFinite(value))) {
		return (value).toString();
	}
	if (typeof value === 'function' || value instanceof RegExp) {
		return (value).toString();
	}
	return value;
}
function truncate(s, n) {
	if (typeof s == 'string') {
		return s.length < n ? s : s.slice(0, n);
	} else {
		return s;
	}
}
export class AssertionError extends Error {
	constructor(spec) {
		spec = spec || {};
		let stackHolder = {
			stack: ""
		}, msg = spec.message ? spec.message : "";
		try {
			if (!(spec.actual == null && spec.expected == null && spec.operator == null)) {
				msg += ` (${String(spec.actual)} not ${String(spec.operator)} ${String(spec.expected)} )`;
			}
		} catch(e) {}
		super(msg);
			this.name = this.constructor.n4type.name;
			if (Error.captureStackTrace) {
			    Error.captureStackTrace(this, this.name);
			}
		this.actual = undefined;
		this.expected = undefined;
		this.operator = undefined;
		this.stackStartFunction = undefined;
		this.name = "AssertionError";
		const Er = Error;
		if (!spec.stack) {
			if (Er.captureStackTrace && spec.stackStartFunction) {
				Er.captureStackTrace(stackHolder, spec.stackStartFunction);
			} else {
				try {
					let err = new Error();
					stackHolder.stack = err.stack.toString();
				} catch(e) {}
			}
		}
		if (typeof stackHolder.stack === "string") {
			spec.stack = stackHolder.stack.split("\n");
		}
		this.stack = spec.stack.join("\n");
		this.actual = spec.actual;
		this.expected = spec.expected;
		this.operator = spec.operator;
		this.stackStartFunction = spec.stackStartFunction;
	}
	toString() {
		let str = "";
		try {
			str += this.name + ": ";
			if (this.message) {
				str += this.message;
			} else {
				str += [
					truncate(JSON.stringify(this.actual, replacer), 128),
					this.operator,
					truncate(JSON.stringify(this.expected, replacer), 128)
				].join(' ');
			}
		} catch(ex) {
			console.log("could not provide helpful assertion error message because of error", ex);
		}
		return str;
	}
	static get n4type() {
		return $getReflectionForClass(this, '["AssertionError","org/eclipse/n4js/mangelhaft/assert/AssertionError","org.eclipse.n4js.mangelhaft.assert",["f.actual","f.expected","f.operator","f.stackStartFunction"]]');
	}
}
//# sourceMappingURL=AssertionError.map