diff --git a/JavassistTest/data/constructor.txt b/JavassistTest/data/constructor.txt
new file mode 100644
index 0000000..87e3cf9
--- /dev/null
+++ b/JavassistTest/data/constructor.txt
@@ -0,0 +1,16 @@
+Method constructor.Main,public static void constructor.Main.main(java.lang.String[]):1083498136:Line 1:2176964354155346:ThreadNo 1
+Class constructor.Main:1083498136:Line 2:ThreadNo 1
+Args:[Ljava.lang.String;:1839328839:Line 3:ThreadNo 1
+New constructor.B:0:Line 4:ThreadNo 1
+Method constructor.B,public constructor.B():0:Line 5:2176964354548369:ThreadNo 1
+Class constructor.B:0:Line 6:ThreadNo 1
+New constructor.A:0:Line 7:ThreadNo 1
+Method constructor.A,public constructor.A():0:Line 8:2176964354609042:ThreadNo 1
+Class constructor.A:0:Line 9:ThreadNo 1
+Return initialization(A()):constructor.B:572698508:572698508:Line 10:ThreadNo 1
+Return initialization(B()):constructor.B:572698508:572698508:Line 11:ThreadNo 1
+Method constructor.B,public constructor.A constructor.B.m(constructor.A):572698508:Line 12:2176964354770538:ThreadNo 1
+Class constructor.B:572698508:Line 13:ThreadNo 1
+Args:constructor.B:572698508:Line 14:ThreadNo 1
+Return execution(B.m(..)):constructor.B:572698508:572698508:Line 15:ThreadNo 1
+Return execution(Main.main(..)):void:0:0:Line 16:ThreadNo 1
\ No newline at end of file