diff vendor/phpunit/php-code-coverage/src/Driver/Xdebug.php @ 14:1fec387a4317

Update Drupal core to 8.5.2 via Composer

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/phpunit/php-code-coverage/src/Driver/Xdebug.php	Mon Apr 23 09:46:53 2018 +0100
@@ -0,0 +1,117 @@
+<?php
+/*
+ * This file is part of the php-code-coverage package.
+ *
+ * (c) Sebastian Bergmann <[e-mail]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace SebastianBergmann\CodeCoverage\Driver;
+
+use SebastianBergmann\CodeCoverage\RuntimeException;
+
+/**
+ * Driver for Xdebug's code coverage functionality.
+ *
+ * @codeCoverageIgnore
+ */
+class Xdebug implements Driver
+{
+    /**
+     * Cache the number of lines for each file
+     *
+     * @var array
+     */
+    private $cacheNumLines = [];
+
+    /**
+     * Constructor.
+     */
+    public function __construct()
+    {
+        if (!\extension_loaded('xdebug')) {
+            throw new RuntimeException('This driver requires Xdebug');
+        }
+
+        if (\version_compare(\phpversion('xdebug'), '2.2.1', '>=') &&
+            !\ini_get('xdebug.coverage_enable')) {
+            throw new RuntimeException(
+                'xdebug.coverage_enable=On has to be set in php.ini'
+            );
+        }
+    }
+
+    /**
+     * Start collection of code coverage information.
+     *
+     * @param bool $determineUnusedAndDead
+     */
+    public function start($determineUnusedAndDead = true)
+    {
+        if ($determineUnusedAndDead) {
+            \xdebug_start_code_coverage(XDEBUG_CC_UNUSED | XDEBUG_CC_DEAD_CODE);
+        } else {
+            \xdebug_start_code_coverage();
+        }
+    }
+
+    /**
+     * Stop collection of code coverage information.
+     *
+     * @return array
+     */
+    public function stop()
+    {
+        $data = \xdebug_get_code_coverage();
+        \xdebug_stop_code_coverage();
+
+        return $this->cleanup($data);
+    }
+
+    /**
+     * @param array $data
+     *
+     * @return array
+     */
+    private function cleanup(array $data)
+    {
+        foreach (\array_keys($data) as $file) {
+            unset($data[$file][0]);
+
+            if (\strpos($file, 'xdebug://debug-eval') !== 0 && \file_exists($file)) {
+                $numLines = $this->getNumberOfLinesInFile($file);
+
+                foreach (\array_keys($data[$file]) as $line) {
+                    if ($line > $numLines) {
+                        unset($data[$file][$line]);
+                    }
+                }
+            }
+        }
+
+        return $data;
+    }
+
+    /**
+     * @param string $file
+     *
+     * @return int
+     */
+    private function getNumberOfLinesInFile($file)
+    {
+        if (!isset($this->cacheNumLines[$file])) {
+            $buffer = \file_get_contents($file);
+            $lines  = \substr_count($buffer, "\n");
+
+            if (\substr($buffer, -1) !== "\n") {
+                $lines++;
+            }
+
+            $this->cacheNumLines[$file] = $lines;
+        }
+
+        return $this->cacheNumLines[$file];
+    }
+}