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56 lines
1.6 KiB
JavaScript
56 lines
1.6 KiB
JavaScript
6 years ago
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"use strict";
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module.exports = (function(){
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var AssertionError = (function() {
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function AssertionError(a) {
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this.constructor$(a);
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this.message = a;
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this.name = "AssertionError";
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}
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AssertionError.prototype = new Error();
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AssertionError.prototype.constructor = AssertionError;
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AssertionError.prototype.constructor$ = Error;
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return AssertionError;
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})();
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function getParams(args) {
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var params = [];
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for (var i = 0; i < args.length; ++i) params.push("arg" + i);
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return params;
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}
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function nativeAssert(callName, args, expect) {
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try {
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var params = getParams(args);
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var constructorArgs = params;
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constructorArgs.push("return " +
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callName + "("+ params.join(",") + ");");
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var fn = Function.apply(null, constructorArgs);
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return fn.apply(null, args);
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} catch (e) {
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if (!(e instanceof SyntaxError)) {
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throw e;
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} else {
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return expect;
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}
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}
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}
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return function assert(boolExpr, message) {
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if (boolExpr === true) return;
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if (typeof boolExpr === "string" &&
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boolExpr.charAt(0) === "%") {
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var nativeCallName = boolExpr;
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var $_len = arguments.length;var args = new Array(Math.max($_len - 2, 0)); for(var $_i = 2; $_i < $_len; ++$_i) {args[$_i - 2] = arguments[$_i];};
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if (nativeAssert(nativeCallName, args, message) === message) return;
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message = (nativeCallName + " !== " + message);
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}
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var ret = new AssertionError(message);
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if (Error.captureStackTrace) {
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Error.captureStackTrace(ret, assert);
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}
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throw ret;
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};
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})();
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