From 880b8e1f51c0a1b4c7929fcd26158b79c6900171 Mon Sep 17 00:00:00 2001
From: Ben van Hartingsveldt <ben.vanhartingsveldt@yocto.com>
Date: Sat, 22 Feb 2025 13:41:12 +0100
Subject: [PATCH] Add functions to check if FQDN is absolute or relative

---
 src/Fields/FQDN.php       | 14 ++++++++++++++
 tests/Fields/FQDNTest.php | 22 ++++++++++++++++++++++
 2 files changed, 36 insertions(+)

diff --git a/src/Fields/FQDN.php b/src/Fields/FQDN.php
index 8d05069..1b068b5 100644
--- a/src/Fields/FQDN.php
+++ b/src/Fields/FQDN.php
@@ -32,6 +32,20 @@ public function getValue(): array{
         return $this->value;
     }
 
+    /**
+     * @return bool
+     */
+    public function isAbsolute(): bool{
+        return $this->value[count($this->value)-1]==='';
+    }
+
+    /**
+     * @return bool
+     */
+    public function isRelative(): bool{
+        return !$this->isAbsolute();
+    }
+
     /**
      * @return string
      */
diff --git a/tests/Fields/FQDNTest.php b/tests/Fields/FQDNTest.php
index c35382f..e6ae961 100644
--- a/tests/Fields/FQDNTest.php
+++ b/tests/Fields/FQDNTest.php
@@ -52,6 +52,28 @@ public function testGetValue(): void{
         self::assertSame(['www','example','com',''],(new FQDN('www','example','com',''))->getValue());
     }
 
+    /**
+     * @return void
+     * @throws DNSFieldException
+     */
+    public function testIsAbsolute(){
+        self::assertFalse((new FQDN('example','com'))->isAbsolute());
+        self::assertTrue((new FQDN('example','com',''))->isAbsolute());
+        self::assertFalse((new FQDN('www','example','com'))->isAbsolute());
+        self::assertTrue((new FQDN('www','example','com',''))->isAbsolute());
+    }
+
+    /**
+     * @return void
+     * @throws DNSFieldException
+     */
+    public function testIsRelative(){
+        self::assertTrue((new FQDN('example','com'))->isRelative());
+        self::assertFalse((new FQDN('example','com',''))->isRelative());
+        self::assertTrue((new FQDN('www','example','com'))->isRelative());
+        self::assertFalse((new FQDN('www','example','com',''))->isRelative());
+    }
+
     /**
      * @return void
      * @throws DNSFieldException