add some tests for str len

Author: inhere

phpunit.xml.dist

@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<phpunit backupGlobals="false"
+         backupStaticAttributes="false"
+         bootstrap="test/bootstrap.php"
+         colors="false"
+         convertErrorsToExceptions="true"
+         convertNoticesToExceptions="true"
+         convertWarningsToExceptions="true"
+         stopOnFailure="false"
+
+>
+    <testsuites>
+        <testsuite name="Php Library Test Suite">
+            <directory>test</directory>
+        </testsuite>
+    </testsuites>
+
+    <filter>
+        <whitelist>
+            <directory suffix=".php">src</directory>
+        </whitelist>
+    </filter>
+</phpunit>

test/Str/StringHelperTest.php

@@ -0,0 +1,28 @@
+<?php declare(strict_types=1);
+
+namespace Toolkit\StdlibTest\Str;
+
+use PHPUnit\Framework\TestCase;
+use Toolkit\Stdlib\Str;
+
+/**
+ * Class StringHelperTest
+ *
+ * @package Toolkit\StdlibTest\Str
+ */
+class StringHelperTest extends TestCase
+{
+    public function testStrLen(): void
+    {
+        $tests = [
+            ['abc', 3],
+            [123, 3],
+            [123.4, 5],
+            ['23ab', 4],
+        ];
+
+        foreach ($tests as [$case, $want]) {
+            $this->assertSame($want, Str::strlen($case));
+        }
+    }
+}

test/bootstrap.php

@@ -11,16 +11,16 @@
 date_default_timezone_set('Asia/Shanghai');
 
 spl_autoload_register(static function ($class): void {
-    $file = null;
+    $file = '';
 
-    if (0 === strpos($class, 'Inhere\Console\Examples\\')) {
-        $path = str_replace('\\', '/', substr($class, strlen('Inhere\Console\Examples\\')));
-        $file = dirname(__DIR__) . "/examples/{$path}.php";
-    } elseif (0 === strpos($class, 'Inhere\ConsoleTest\\')) {
-        $path = str_replace('\\', '/', substr($class, strlen('Inhere\ConsoleTest\\')));
+    if (0 === strpos($class, 'Toolkit\Stdlib\Example\\')) {
+        $path = str_replace('\\', '/', substr($class, strlen('Toolkit\Stdlib\Example\\')));
+        $file = dirname(__DIR__) . "/example/{$path}.php";
+    } elseif (0 === strpos($class, 'Toolkit\StdlibTest\\')) {
+        $path = str_replace('\\', '/', substr($class, strlen('Toolkit\StdlibTest\\')));
         $file = __DIR__ . "/{$path}.php";
-    } elseif (0 === strpos($class, 'Inhere\Console\\')) {
-        $path = str_replace('\\', '/', substr($class, strlen('Inhere\Console\\')));
+    } elseif (0 === strpos($class, 'Toolkit\Stdlib\\')) {
+        $path = str_replace('\\', '/', substr($class, strlen('Toolkit\Stdlib\\')));
         $file = dirname(__DIR__) . "/src/{$path}.php";
     }