test: benchmark tests for #459

test/benchmark/run.php

@@ -0,0 +1,34 @@
+<?php
+echo "Running benchmarks...", PHP_EOL;
+
+$fileList = glob(__DIR__ . "/scripts/*.php");
+$outputList = [];
+
+foreach($fileList as $phpFile) {
+	echo "Executing: ", basename($phpFile), PHP_EOL;
+
+	$output = null;
+	$returnVar = null;
+
+	exec("php " . escapeshellarg($phpFile), $output, $returnVar);
+
+	array_push($outputList, $output);
+
+	if($returnVar !== 0) {
+		echo "Error: Script ", basename($phpFile), " exited with code $returnVar", PHP_EOL;
+	}
+}
+
+echo "--------", PHP_EOL;
+
+foreach($fileList as $i => $file) {
+	$basename = pathinfo($file, PATHINFO_BASENAME);
+	echo "$basename output: ";
+	$output = $outputList[$i];
+
+	foreach($output as $line) {
+		echo strlen($line) > 120 ? substr($line, 0, 120) . "..." : $line;
+		echo PHP_EOL;
+	}
+	echo PHP_EOL, "--------", PHP_EOL;
+}

test/benchmark/scripts/01-basic.php

@@ -0,0 +1,35 @@
+<?php /** @noinspection PhpElementIsNotAvailableInCurrentPhpVersionInspection */
+use Dom\HTMLDocument as NativeHTMLDocument;
+use Gt\Dom\HTMLDocument;
+
+require __DIR__ . "/../../../vendor/autoload.php";
+
+$timeArray = [];
+
+foreach([HTMLDocument::class, NativeHTMLDocument::class] as $domClassName) {
+	$timeStart = microtime(true);
+	echo "Using $domClassName", PHP_EOL;
+	$document = match($domClassName) {
+		HTMLDocument::class => new HTMLDocument(),
+		NativeHTMLDocument::class => NativeHTMLDocument::createFromString(HTMLDocument::DOCTYPE),
+	};
+
+	$element = $document->createElement("example-element");
+	$document->body->appendChild($element);
+
+	echo str_replace("\n", "", $document->saveHTML()), PHP_EOL;
+	$timeEnd = microtime(true);
+	$timeArray[$domClassName] = $timeEnd - $timeStart;
+}
+
+echo PHP_EOL;
+
+foreach($timeArray as $className => $time) {
+	echo "$className: " . number_format($time, 4), PHP_EOL;
+}
+
+$percentDifference = abs(
+	($timeArray[array_keys($timeArray)[0]] - $timeArray[array_keys($timeArray)[1]])
+	/ max($timeArray) * 100
+);
+echo "Speed increase: " . number_format($percentDifference, 0) . "%", PHP_EOL;

test/benchmark/scripts/02-create-many-elements.php

@@ -0,0 +1,37 @@
+<?php /** @noinspection PhpElementIsNotAvailableInCurrentPhpVersionInspection */
+use Dom\HTMLDocument as NativeHTMLDocument;
+use Gt\Dom\HTMLDocument;
+
+require __DIR__ . "/../../../vendor/autoload.php";
+
+$timeArray = [];
+
+foreach([HTMLDocument::class, NativeHTMLDocument::class] as $domClassName) {
+	$timeStart = microtime(true);
+	echo "Using $domClassName", PHP_EOL;
+	$document = match($domClassName) {
+		HTMLDocument::class => new HTMLDocument(),
+		NativeHTMLDocument::class => NativeHTMLDocument::createFromString(HTMLDocument::DOCTYPE),
+	};
+
+	for($i = 0; $i < 10_000; $i++) {
+		$element = $document->createElement("example-element");
+		$document->body->appendChild($element);
+	}
+
+	echo str_replace("\n", "", $document->saveHTML()), PHP_EOL;
+	$timeEnd = microtime(true);
+	$timeArray[$domClassName] = $timeEnd - $timeStart;
+}
+
+echo PHP_EOL;
+
+foreach($timeArray as $className => $time) {
+	echo "$className: " . number_format($time, 4), PHP_EOL;
+}
+
+$percentDifference = abs(
+	($timeArray[array_keys($timeArray)[0]] - $timeArray[array_keys($timeArray)[1]])
+	/ max($timeArray) * 100
+);
+echo "Speed increase: " . number_format($percentDifference, 0) . "%", PHP_EOL;

test/benchmark/scripts/03-nested.php

@@ -0,0 +1,47 @@
+<?php /** @noinspection PhpElementIsNotAvailableInCurrentPhpVersionInspection */
+use Dom\HTMLDocument as NativeHTMLDocument;
+use Gt\Dom\HTMLDocument;
+
+require __DIR__ . "/../../../vendor/autoload.php";
+
+$timeArray = [];
+
+foreach([HTMLDocument::class, NativeHTMLDocument::class] as $domClassName) {
+	$timeStart = microtime(true);
+	echo "Using $domClassName", PHP_EOL;
+	$document = match($domClassName) {
+		HTMLDocument::class => new HTMLDocument(),
+		NativeHTMLDocument::class => NativeHTMLDocument::createFromString(HTMLDocument::DOCTYPE),
+	};
+
+	for($i = 0; $i < 1_000; $i++) {
+		$element = $document->createElement("parent-element");
+		$document->body->appendChild($element);
+
+		$nested = null;
+		for($j = 0; $j < 100; $j++) {
+			$appendTo = $element;
+			if($nested) {
+				$appendTo = $nested;
+			}
+			$nested = $document->createElement("nested-element$j");
+			$appendTo->appendChild($nested);
+		}
+	}
+
+	echo str_replace("\n", "", $document->saveHTML()), PHP_EOL;
+	$timeEnd = microtime(true);
+	$timeArray[$domClassName] = $timeEnd - $timeStart;
+}
+
+echo PHP_EOL;
+
+foreach($timeArray as $className => $time) {
+	echo "$className: " . number_format($time, 4), PHP_EOL;
+}
+
+$percentDifference = abs(
+	($timeArray[array_keys($timeArray)[0]] - $timeArray[array_keys($timeArray)[1]])
+	/ max($timeArray) * 100
+);
+echo "Speed increase: " . number_format($percentDifference, 0) . "%", PHP_EOL;