From bf01c6c9e2b5133df9335aef7902e2c90e058303 Mon Sep 17 00:00:00 2001
From: Andrew Montgomery-Hurrell <darkliquid@darkliquid.co.uk>
Date: Tue, 11 Feb 2014 23:57:08 +0000
Subject: [PATCH] Added ClearCallback method for clearing all callbacks for an
 event

---
 irc_callback.go | 12 ++++++++++++
 irc_test.go     | 26 ++++++++++++++++++++++++++
 2 files changed, 38 insertions(+)

diff --git a/irc_callback.go b/irc_callback.go
index fd74fa2..cb8498c 100644
--- a/irc_callback.go
+++ b/irc_callback.go
@@ -40,6 +40,18 @@ func (irc *Connection) RemoveCallback(eventcode string, i string) bool {
 	return false
 }
 
+func (irc *Connection) ClearCallback(eventcode string) bool {
+	eventcode = strings.ToUpper(eventcode)
+
+	if _, ok := irc.events[eventcode]; ok{
+		irc.events[eventcode] = make(map[string]func(*Event))
+		return true
+	}
+
+	irc.Log.Println("Event not found")
+	return false
+}
+
 func (irc *Connection) ReplaceCallback(eventcode string, i string, callback func(*Event)) {
 	eventcode = strings.ToUpper(eventcode)
 
diff --git a/irc_test.go b/irc_test.go
index 9938c3d..da514fa 100644
--- a/irc_test.go
+++ b/irc_test.go
@@ -94,3 +94,29 @@ func TestWildcardCallback(t *testing.T) {
 		t.Error("Wildcard callback not called")
 	}
 }
+
+func TestClearCallback(t *testing.T) {
+	irccon := IRC("go-eventirc", "go-eventirc")
+	irccon.VerboseCallbackHandler = true
+	
+	done := make(chan int, 10)
+
+	irccon.AddCallback("TEST", func(e *Event) { done <- 0 })
+	irccon.AddCallback("TEST", func(e *Event) { done <- 1 })	
+	irccon.ClearCallback("TEST")
+	irccon.AddCallback("TEST", func(e *Event) { done <- 2 })
+	irccon.AddCallback("TEST", func(e *Event) { done <- 3 })
+
+	irccon.RunCallbacks(&Event{
+		Code: "TEST",
+	})
+
+	var results []int 
+
+	results = append(results, <-done)
+	results = append(results, <-done)
+
+	if len(results) != 2 || !(results[0] == 2 && results[1] == 3) {
+		t.Error("Callbacks not cleared")
+	}
+}
\ No newline at end of file