diff core/tests/Drupal/Tests/Component/Utility/EnvironmentTest.php @ 0:4c8ae668cc8c

Initial import (non-working)

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/tests/Drupal/Tests/Component/Utility/EnvironmentTest.php	Wed Nov 29 16:09:58 2017 +0000
@@ -0,0 +1,62 @@
+<?php
+
+namespace Drupal\Tests\Component\Utility;
+
+use Drupal\Component\Utility\Environment;
+use PHPUnit\Framework\TestCase;
+
+/**
+ * Test PHP Environment helper methods.
+ *
+ * @group Utility
+ *
+ * @coversDefaultClass \Drupal\Component\Utility\Environment
+ */
+class EnvironmentTest extends TestCase {
+
+  /**
+   * Tests \Drupal\Component\Utility\Environment::checkMemoryLimit().
+   *
+   * @dataProvider providerTestCheckMemoryLimit
+   * @covers ::checkMemoryLimit
+   *
+   * @param string $required
+   *   The required memory argument for
+   *   \Drupal\Component\Utility\Environment::checkMemoryLimit().
+   * @param string $custom_memory_limit
+   *   The custom memory limit argument for
+   *   \Drupal\Component\Utility\Environment::checkMemoryLimit().
+   * @param bool $expected
+   *   The expected return value from
+   *   \Drupal\Component\Utility\Environment::checkMemoryLimit().
+   */
+  public function testCheckMemoryLimit($required, $custom_memory_limit, $expected) {
+    $actual = Environment::checkMemoryLimit($required, $custom_memory_limit);
+    $this->assertEquals($expected, $actual);
+  }
+
+  /**
+   * Provides data for testCheckMemoryLimit().
+   *
+   * @return array
+   *   An array of arrays, each containing the arguments for
+   *   \Drupal\Component\Utility\Environment::checkMemoryLimit():
+   *   required and memory_limit, and the expected return value.
+   */
+  public function providerTestCheckMemoryLimit() {
+    $memory_limit = ini_get('memory_limit');
+    $twice_avail_memory = ($memory_limit * 2) . 'MB';
+
+    return [
+      // Minimal amount of memory should be available.
+      ['30MB', NULL, TRUE],
+      // Exceed a custom (unlimited) memory limit.
+      [$twice_avail_memory, -1, TRUE],
+      // Exceed a custom memory limit.
+      ['30MB', '16MB', FALSE],
+      // Available = required.
+      ['30MB', '30MB', TRUE],
+    ];
+  }
+
+}