[TESTS] provide a test case for various address formats

tests/test-address-syntax.cfg

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+global
+        maxconn 200
+        #debug
+        #daemon
+
+defaults
+        mode    http
+        contimeout      50s
+        clitimeout      50s
+        srvtimeout      50s
+
+frontend b11 :11000,:11001
+
+frontend b12 :12000-12009,:12020-12029
+
+#frontend b13 ::13000,::13001
+
+frontend b14 :::14000,:::14001
+
+frontend b15 *:15000,*:15001
+
+frontend b16 0.0.0.0:16000,0.0.0.0:16001
+
+listen l21
+	bind :21000,:21001
+
+listen l22
+	bind :22000-22009,:22020-22029
+
+#listen l23
+#	bind ::23000,::23001
+
+listen l24
+	bind :::24000,:::24001
+
+listen l25
+	bind *:25000,*:25001
+
+listen l26
+	bind 0.0.0.0:26000,0.0.0.0:26001
+
+listen l35 :35000
+	server s1 :80
+	#server s2 ::80
+	server s3 :::80
+	server s4 *:80
+	server s5 0.0.0.0:80
+	server s5 0::0:80
+
+listen l36 :36000
+	server s1 1.1.1.1:80
+	server s2 1::1:80
+	server s3 ::1.1.1.1:80
+	server s4 localhost:80
+#	server s5 localhost6:80
+
+listen l37 :37000
+	server s1 1.1.1.1
+	server s2 1::1:
+	server s3 ::1.1.1.1:
+	server s4 localhost
+#	server s5 localhost6
+
+listen l38 :38000
+	server s1 1.1.1.1:+1
+	server s2 1::1:+1
+	server s3 ::1.1.1.1:+1
+	server s4 localhost:+1
+#	server s5 localhost6:+1
+
+listen l39 :39000
+	server s1 1.1.1.1 check addr 2.2.2.2
+	server s2 1::1: check addr 2::2:
+	server s3 ::1.1.1.1: check addr ::2.2.2.2:
+	server s4 ::1.1.1.1: check addr localhost
+#	server s5 ::1.1.1.1: check addr localhost6
+
+listen l40 :40000
+	server s1 1.1.1.1 source 0.0.0.0
+	server s2 1.1.1.1 source :1-10
+	server s3 1.1.1.1 source :::1-10
+	server s3 1.1.1.1 source 0::0:1-10
+	server s3 1.1.1.1 source ::0.0.0.0:1-10
+