From 0de26556f0c730bb506b4526c043f50c1345d10b Mon Sep 17 00:00:00 2001
From: Kevin Fischer <kfischer_okarin@yahoo.co.jp>
Date: Wed, 8 Apr 2020 13:52:00 +0900
Subject: Add raises! method to GTK::Assert

---
 dragon/assert.rb | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/dragon/assert.rb b/dragon/assert.rb
index 47d39ef..0eb8c2a 100644
--- a/dragon/assert.rb
+++ b/dragon/assert.rb
@@ -47,5 +47,18 @@ module GTK
       end
       nil
     end
+
+    def raises! exception_class, message = nil
+      @assertion_performed = true
+      begin
+        yield
+      rescue exception_class
+        return # Success
+      rescue Exception => e
+        raise "Expected #{exception_class.name} to be raised but instead #{e.class.name} was raised\n#{message}"
+      else
+        raise "Expected #{exception_class.name} to be raised but nothing was raised\n#{message}"
+      end
+    end
   end
 end
-- 
cgit v1.2.3