Use PHPUnit 5

Makefile

@@ -2,9 +2,14 @@
 
 PACKAGE_NAME = ICanBoogie/DateTime
 PACKAGE_VERSION = v1.2
+PHPUNIT_VERSION = phpunit-5.7.phar
+PHPUNIT_FILENAME = build/$(PHPUNIT_VERSION)
+PHPUNIT = php $(PHPUNIT_FILENAME)
 
 # do not edit the following lines
 
+all: $(PHPUNIT_FILENAME) vendor
+
 usage:
 	@echo "test:  Runs the test suite.\ndoc:   Creates the documentation.\nclean: Removes the documentation, the dependencies and the Composer files."
 
@@ -17,17 +22,23 @@ update:
 autoload: vendor
 	@composer dump-autoload
 
-test: vendor
-	@phpunit
+test-dependencies: $(PHPUNIT_FILENAME) vendor
+
+$(PHPUNIT_FILENAME):
+	mkdir -p build
+	wget https://phar.phpunit.de/$(PHPUNIT_VERSION) -O $(PHPUNIT_FILENAME)
 
-test-coverage: vendor
+test: test-dependencies
+	@$(PHPUNIT)
+
+test-coverage: test-dependencies
 	@mkdir -p build/coverage
-	@phpunit --coverage-html build/coverage
+	@$(PHPUNIT) --coverage-html build/coverage
 
-test-coveralls: vendor
+test-coveralls: test-dependencies
 	@mkdir -p build/logs
 	composer require --dev php-coveralls/php-coveralls
-	@phpunit --coverage-clover build/logs/clover.xml
+	@$(PHPUNIT) --coverage-clover build/logs/clover.xml
 	php vendor/bin/php-coveralls -v
 
 doc: vendor
@@ -42,3 +53,5 @@ clean:
 	@rm -fR build
 	@rm -fR vendor
 	@rm -f composer.lock
+
+.PHONY: all autoload doc clean test test-coverage test-coveralls update

phpunit.xml.dist

@@ -1,21 +1,17 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
-<phpunit backupGlobals="false"
-         backupStaticAttributes="false"
-         colors="true"
-         convertErrorsToExceptions="true"
-         convertNoticesToExceptions="true"
-         convertWarningsToExceptions="true"
-         processIsolation="false"
-         stopOnFailure="false"
-         syntaxCheck="false"
-         bootstrap="./tests/bootstrap.php"
+<phpunit
+		xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+		xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/5.7/phpunit.xsd"
+		backupGlobals="false"
+		colors="true"
+		bootstrap="./vendor/autoload.php"
 >
-    <testsuites>
-        <testsuite name="ICanBoogie/DateTime Test Suite">
-            <directory>./tests</directory>
-        </testsuite>
-    </testsuites>
+	<testsuites>
+		<testsuite name="ICanBoogie/DateTime">
+			<directory>./tests</directory>
+		</testsuite>
+	</testsuites>
 
 	<filter>
 		<whitelist processUncoveredFilesFromWhitelist="true">

tests/DateTimeTest.php

@@ -9,12 +9,13 @@
  * file that was distributed with this source code.
  */
 
-namespace Tests\ICanBoogie\Time;
+namespace Tests\ICanBoogie;
 
 use ICanBoogie\DateTime;
 use ICanBoogie\DateTimeTest\MyDateTime;
+use PHPUnit\Framework\TestCase;
 
-class DateTimeTest extends \PHPUnit_Framework_TestCase
+class DateTimeTest extends TestCase
 {
 	public function setUp()
 	{

tests/TimeZoneLocationTest.php

@@ -9,11 +9,12 @@
  * file that was distributed with this source code.
  */
 
-namespace Tests\ICanBoogie\Time;
+namespace Tests\ICanBoogie;
 
 use ICanBoogie\TimeZoneLocation;
+use PHPUnit\Framework\TestCase;
 
-class TimeZoneLocationTest extends \PHPUnit_Framework_TestCase
+class TimeZoneLocationTest extends TestCase
 {
 	public function test_from()
 	{

tests/TimeZoneTest.php

@@ -9,11 +9,12 @@
  * file that was distributed with this source code.
  */
 
-namespace Tests\ICanBoogie\Time;
+namespace Tests\ICanBoogie;
 
 use ICanBoogie\TimeZone;
+use PHPUnit\Framework\TestCase;
 
-class TimeZoneTest extends \PHPUnit_Framework_TestCase
+class TimeZoneTest extends TestCase
 {
 	public function test_get_location()
 	{