Simplify stack overflow test case by removing unrelated functions from php.js

Author: klesun

tests/jsroot/ExactKeysUnitTest.js

@@ -1,10 +1,10 @@
 
 let php = require('./../unv/grect/backend/Transpiled/php.js');
+let php2 = require('../php.js');
 const ApoPnrParser = require("../unv/grect/backend/Transpiled/Gds/Parsers/Apollo/Pnr/PnrParser");
 const SabPnrParser = require("../unv/grect/backend/Transpiled/Gds/Parsers/Sabre/Pnr/PnrParser");
 const AmaPnrParser = require("../unv/grect/backend/Transpiled/Gds/Parsers/Amadeus/Pnr/PnrParser");
 const GalPnrParser = require("../unv/grect/backend/Transpiled/Gds/Parsers/Galileo/Pnr/PnrParser");
-const Fp = require('../unv/grect/backend/Transpiled/Lib/Utils/Fp.js');
 
 exports.provideAsyncPromise = async () => {
     return Promise.resolve({
@@ -46,6 +46,13 @@ exports.provideParseGalPnr = () => {
     return parsed;
 };
 
+
+class Fp {
+    static map($function, $arr) {
+        return php2.array_map($function, $arr);
+    }
+}
+
 exports.provideFfInfoStackOverflow = () => {
     // taken from Sabre PNR parser
     let $result, $sections;

tests/php.js

@@ -0,0 +1,37 @@
+
+let php = {};
+
+php.array_combine = (keys, values) => {
+	keys = Object.values(keys);
+	values = Object.values(values);
+	if (keys.length !== values.length) {
+		throw new Error('array_combine passed key count ' + keys.length +
+			' does not match value count ' + values.length);
+	}
+	let result = {};
+	for (let i = 0; i < keys.length; ++i) {
+		result[keys[i]] = values[i];
+	}
+	return result;
+};
+
+let normFunc = (func) => {
+	if (typeof func === 'string') {
+		if (func in php) {
+			func = php[func];
+		} else {
+			throw Error('Unsupported built-in function - ' + func);
+		}
+	}
+	return func;
+};
+php.array_map = (func, obj, additionalValues = []) => {
+	func = normFunc(func);
+	let newObj = Array.isArray(obj) ? [] : {};
+	for (let [key, val] of Object.entries(obj)) {
+		newObj[key] = func(val, additionalValues[key]);
+	}
+	return newObj;
+};
+
+module.exports = php;