Slight fixes to ReNick and tests for the rest of st's Nick methods.

state/tracker_test.go

@@ -57,6 +57,45 @@ func TestReNick(t *testing.T) {
 		t.Errorf("Nick test2 doesn't exist after ReNick.")
 	}
 	if len(st.nicks) != 1 {
-		t.Errorf("Nick list changed size during GetNick.")
+		t.Errorf("Nick list changed size during ReNick.")
+	}
+
+	test2 := &Nick{Nick: "test2", st: st}
+	st.nicks["test1"] = test2
+
+	st.ReNick("test1", "test2")
+	if n, ok := st.nicks["test2"]; !ok || n != test1 {
+		t.Errorf("Nick test2 overwritten/deleted by ReNick.")
+	}
+	if n, ok := st.nicks["test1"]; !ok || n != test2 {
+		t.Errorf("Nick test1 overwritten/deleted by ReNick.")
+	}
+	if len(st.nicks) != 2 {
+		t.Errorf("Nick list changed size during ReNick.")
+	}
+
+}
+
+func TestDelNick(t *testing.T) {
+	st := NewTracker()
+
+	test1 := &Nick{Nick: "test1", st: st}
+	st.nicks["test1"] = test1
+
+	st.DelNick("test1")
+
+	if _, ok := st.nicks["test1"]; ok {
+		t.Errorf("Nick test1 still exists after DelNick.")
+	}
+	if len(st.nicks) != 0 {
+		t.Errorf("Nick list still contains nicks after DelNick.")
+	}
+
+	st.nicks["test1"] = test1
+
+	st.DelNick("test2")
+
+	if len(st.nicks) != 1 {
+		t.Errorf("DelNick had unexpected side-effects.")
 	}
 }