Created a stopwatch class

TestStopwatch.ts

@@ -0,0 +1,99 @@
+//typescriptClasses/TestStopwatch.ts
+//Matthew Ellison
+// Created: 10-18-20
+//Modified: 10-18-20
+//This file contains a class that is used to time the execution time of other programs
+/*
+Copyright (C) 2020  Matthew Ellison
+
+	This program is free software: you can redistribute it and/or modify
+	it under the terms of the GNU Lesser General Public License as published by
+	the Free Software Foundation, either version 3 of the License, or
+	(at your option) any later version.
+
+	This program is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	GNU Lesser General Public License for more details.
+
+	You should have received a copy of the GNU Lesser General Public License
+	along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+
+import assert = require("assert");
+import {Stopwatch} from "./Stopwatch";
+
+
+let NUM_TO_RUN = 100000;
+
+function testStartStop(): void{
+	let timer: Stopwatch = new Stopwatch();
+	timer.start();
+	timer.stop();
+	//If it gets to here without throwing an exception everything went well
+	console.log("start/stop passed");
+}
+function testConversion(): void{
+	let timer: Stopwatch = new Stopwatch();
+	let sum: number = 0;
+	//Start the timer
+	timer.start();
+	//Do something to run some time
+	for(let cnt: number = 0;cnt < NUM_TO_RUN;++cnt){
+		sum += cnt;
+	}
+	//Stop the timer
+	timer.stop();
+	//Assert something so the sum isn't ignored during compile
+	assert.notStrictEqual(sum, 0, "You really messed up");
+	//Check that the different resolutions work out correctly
+	let nano: number = timer.getNano();
+	assert.strictEqual(timer.getMicro(), nano / 1000, "Micro resolution test failed");
+	assert.strictEqual(timer.getMilli(), nano / 1000000, "Milli resolution test failed");
+	assert.strictEqual(timer.getSecond(), nano / 1000000000, "Minute resolution test failed");
+	assert.strictEqual(timer.getMinute(), nano / 60000000000, "Minute resolution test failed");
+	assert.strictEqual(timer.getHour(), nano / 3600000000000, "Hour resolution test failed");
+	console.log("conversion passed");
+}
+function testStringConversion(): void{
+	//Test nanoseconds
+	let results: string = Stopwatch.getStr(1.0);
+	assert.strictEqual(results, "1.000 nanoseconds", "String conversion to nanoseconds failed");
+	//Test microseconds
+	results = Stopwatch.getStr(1.0e3);
+	assert.strictEqual(results, "1.000 microseconds", "String conversion to microseconds failed");
+	//Test milliseconds
+	results = Stopwatch.getStr(1.0e6);
+	assert.strictEqual(results, "1.000 milliseconds", "String conversion to milliseconds failed");
+	//Test seconds
+	results = Stopwatch.getStr(1.0e9);
+	assert.strictEqual(results, "1.000 seconds", "String conversion to seconds failed");
+	//Test mintues
+	results = Stopwatch.getStr(1.0e12);
+	assert.strictEqual(results, "16.667 minutes", "String conversion to minutes failed");
+	//Rest hours
+	results = Stopwatch.getStr(1.0e13);
+	assert.strictEqual(results, "2.778 hours", "String conversion to hours failed");
+	console.log("string conversion passed");
+}
+
+//Run the functions
+try{
+	testStartStop();
+}
+catch(error){
+	console.error("start/stop test failed!");
+}
+try{
+	testConversion();
+}
+catch(error){
+	console.error("conversion test failed!");
+}
+try{
+	testStringConversion();
+}
+catch(error){
+	console.error("string conversion test failed!");
+}