Tests for path resolution

lib/Service/Daemon.php

@@ -159,9 +159,10 @@ class Daemon {
             if ($cwd === false) {
                 return false;
             }
-            $path = substr($cwd, 1)."/".$path;
+            $path = explode("/", substr($cwd, 1)."/".$path);
+        } else {
+            $path = explode("/", substr($path, 1));
         }
-        $path = explode("/", substr($path, 1));
         $out = [];
         foreach ($path as $p) {
             if ($p === "..") {

tests/cases/Service/TestDaemon.php

@@ -41,12 +41,18 @@ class TestDaemon extends \JKingWeb\Arsse\Test\AbstractTest {
 
     public function providePathResolutions(): iterable {
         return [
-            ["/",       "/home/me", "/"],
-            ["/.",      "/home/me", "/"],
-            ["/..",     "/home/me", "/"],
-            ["/run",    "/home/me", "/run"],
-            ["/./run",  "/home/me", "/run"],
-            ["/../run", "/home/me", "/run"],
+            ["/",           "/home/me", "/"],
+            ["/.",          "/home/me", "/"],
+            ["/..",         "/home/me", "/"],
+            ["/run",        "/home/me", "/run"],
+            ["/./run",      "/home/me", "/run"],
+            ["/../run",     "/home/me", "/run"],
+            ["/run/../run", "/home/me", "/run"],
+            ["/run/./run",  "/home/me", "/run/run"],
+            ["run",         "/home/me", "/home/me/run"],
+            ["run/..",      "/home/me", "/home/me"],
+            [".",           "/",        "/"],
+            [".",           false,      false],
         ];
     }