From 2a4cf1a54d3dbe91739aa3c3460bef2a1260c636 Mon Sep 17 00:00:00 2001
From: Oliver <oschi1303@gmail.com>
Date: Thu, 17 Apr 2025 23:02:57 +0200
Subject: [PATCH] plugin-tests: Add toThrow method for exception assertion in
 Expectable

---
 .../main/java/de/oliver/plugintests/Expectable.java  | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/libraries/plugin-tests/src/main/java/de/oliver/plugintests/Expectable.java b/libraries/plugin-tests/src/main/java/de/oliver/plugintests/Expectable.java
index 56d1a7ee..352ce9e3 100644
--- a/libraries/plugin-tests/src/main/java/de/oliver/plugintests/Expectable.java
+++ b/libraries/plugin-tests/src/main/java/de/oliver/plugintests/Expectable.java
@@ -240,4 +240,16 @@ public class Expectable<T> {
 
         throw new AssertionError("toHaveLength can only be used on Strings");
     }
+
+    public <E extends Throwable> E toThrow(Class<E> expected) {
+        try {
+            ((Runnable) t).run();
+        } catch (Throwable e) {
+            if (expected.isInstance(e)) {
+                return (E) e;
+            }
+            throw new AssertionError("Expected " + expected.getSimpleName() + " but got " + e.getClass().getSimpleName());
+        }
+        throw new AssertionError("Expected " + expected.getSimpleName() + " but got nothing");
+    }
 }