new file mode 100644

@@ -0,0 +1,16 @@

+<?xml version="1.0" encoding="UTF-8"?>

+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" backupGlobals="true" backupStaticAttributes="false" bootstrap="autoload-phpunit.php" colors="true" convertDeprecationsToExceptions="true" convertErrorsToExceptions="true" convertNoticesToExceptions="true" convertWarningsToExceptions="true" processIsolation="false" stopOnError="false" stopOnFailure="false" xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd">

+  <coverage processUncoveredFiles="true">

+    <include>

+      <directory suffix=".php">./src</directory>

+    </include>

+  </coverage>

+  <testsuites>

+    <testsuite name="Unit Tests">

+      <directory suffix="Test.php">./tests/unit</directory>

+    </testsuite>

+    <testsuite name="Libsodium Compatibility Tests">

+      <directory suffix="Test.php">./tests/compat</directory>

+    </testsuite>

+  </testsuites>

+</phpunit>