Tests: Ensure that the default wp_die() handler can handle a WP_Error object.

Props dd32, utkarshpatel.
Fixes #36166.

git-svn-id: https://develop.svn.wordpress.org/trunk@37071 602fd350-edb4-49c9-b593-d223f7449a82

tests/phpunit/includes/testcase.php

@@ -292,6 +292,10 @@ class WP_UnitTestCase extends PHPUnit_Framework_TestCase {
 	}
 
 	function wp_die_handler( $message ) {
+		if ( ! is_scalar( $message ) ) {
+			$message = '0';
+		}
+
 		throw new WPDieException( $message );
 	}
 

tests/phpunit/tests/includes/helpers.php

@@ -204,4 +204,12 @@ class Tests_TestHelpers extends WP_UnitTestCase {
 		_doing_it_wrong( __METHOD__, __( 'Incorrect usage test' ), '2.5' );
 		return true;
 	}
+
+	/**
+	 * @ticket 36166
+	 * @expectedException WPDieException
+	 */
+	public function test_die_handler_should_handle_wp_error() {
+		wp_die( new WP_Error( 'test', 'test' ) );
+	}
 }