diff --git a/test/combine_coverage.php b/test/combine_coverage.php
index 1fc757c..b7fb74e 100644
--- a/test/combine_coverage.php
+++ b/test/combine_coverage.php
@@ -1,5 +1,7 @@
 <?php declare(strict_types=1);
 
+ini_set('memory_limit', (string)(1024 * 1024 * 1024) );
+
 require_once('vendor/autoload.php');
 
 use SebastianBergmann\CodeCoverage\Report\Text as PHP_CodeCoverage_Report_Text;
@@ -12,6 +14,6 @@
 }
 
 // Based on PHPUnit_TextUI_TestRunner::doRun
-$writer = new PHP_CodeCoverage_Report_Text();
+$writer = new PHP_CodeCoverage_Report_Text(50, 90, true, false);
 
 echo $writer->process($codeCoverage);
diff --git a/test/dir2castWithCoverage.php b/test/dir2castWithCoverage.php
index 9996f3a..d40a692 100644
--- a/test/dir2castWithCoverage.php
+++ b/test/dir2castWithCoverage.php
@@ -10,8 +10,14 @@
 $filter = new Filter;
 $filter->includeDirectory('../../dir2cast.php');
 
+if(isset($_SERVER['PATH_COVERAGE']) && $_SERVER['PATH_COVERAGE'] != '') {
+    $selector = (new Selector)->forLineAndPathCoverage($filter);
+} else {
+    $selector = (new Selector)->forLineCoverage($filter);
+}
+
 $coverage = new CodeCoverage(
-    (new Selector)->forLineCoverage($filter),
+    $selector,
     $filter
 );
 
diff --git a/test/run.sh b/test/run.sh
index eada275..11f01d9 100755
--- a/test/run.sh
+++ b/test/run.sh
@@ -1,6 +1,14 @@
 #!/bin/bash
 set -e
 
+# Test runner.
+#
+# Usage:
+#
+# ./test/run.sh                    # runs all tests
+# ./test/run.sh FilenameTest.php   # runs only that test
+# PATH_COVERAGE=yes ./test/run.sh  # adds more (but slower) coverage reporting
+
 SCRIPT_DIR=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
 
 cd "$SCRIPT_DIR"
@@ -21,6 +29,20 @@ fi
 
 export XDEBUG_MODE=coverage
 rm -f /tmp/cov-*
-vendor/bin/phpunit --bootstrap "$SCRIPT_DIR/bootstrap.php" --coverage-php /tmp/cov-main --coverage-filter ../dir2cast.php ${tests[@]}
+
+export PATH_COVERAGE=${PATH_COVERAGE:-}
+PATH_COVERAGE_OPTION=""
+
+if [[ "$PATH_COVERAGE" != '' ]]; then
+	PATH_COVERAGE_OPTION="--path-coverage"
+fi
+
+vendor/bin/phpunit \
+    --bootstrap "$SCRIPT_DIR/bootstrap.php" \
+    --coverage-php /tmp/cov-main \
+    --coverage-filter ../dir2cast.php \
+    $PATH_COVERAGE_OPTION \
+    ${tests[@]}
+
 php combine_coverage.php
 rm -rf testdir /tmp/cov-*