Add test for forward compression pointer (miekg#1123)

gibson042 · web-flow · commit 203ad2480beb · 2020-05-27T08:05:25.000Z
Automatically submitted.
diff --git a/msg_test.go b/msg_test.go
@@ -202,6 +202,7 @@ func TestUnpackDomainName(t *testing.T) {
 			"\x03foo" + "\x03bar" + "\x07example" + "\xC0\x04",
 			"",
 			ErrLongDomain.Error()},
+		{"forward compression pointer", "\x02\xC0\xFF\xC0\x01", "", ErrBuf.Error()},
 		{"reserved compression pointer 0b10", "\x07example\x80", "", "dns: bad rdata"},
 		{"reserved compression pointer 0b01", "\x07example\x40", "", "dns: bad rdata"},
 	}

Original file line number	Diff line number	Diff line change
`@@ -202,6 +202,7 @@ func TestUnpackDomainName(t *testing.T) {`
`202`	`202`	`"\x03foo" + "\x03bar" + "\x07example" + "\xC0\x04",`
`203`	`203`	`"",`
`204`	`204`	`ErrLongDomain.Error()},`
	`205`	`+ {"forward compression pointer", "\x02\xC0\xFF\xC0\x01", "", ErrBuf.Error()},`
`205`	`206`	`{"reserved compression pointer 0b10", "\x07example\x80", "", "dns: bad rdata"},`
`206`	`207`	`{"reserved compression pointer 0b01", "\x07example\x40", "", "dns: bad rdata"},`
`207`	`208`	`}`