introduce some variety into test case

Author: joel-ling

binary_test.go

@@ -492,13 +492,19 @@ func TestShouldReturnErrorGivenLengthOfByteSliceNotEqualToFormatLength(
 }
 
 const (
-destinationAddressOctet = 8
-fragmentOffset = 8191
-headerChecksum = 0
-identification = 0
-sourceAddressOctet = 1
-timeToLive = 1
-totalLength = 65535
+destinationAddressOctet0 = 85
+destinationAddressOctet1 = 51
+destinationAddressOctet2 = 15
+destinationAddressOctet3 = 0
+fragmentOffset = 8191
+headerChecksum = 0
+identification = 0
+sourceAddressOctet0 = 170
+sourceAddressOctet1 = 204
+sourceAddressOctet2 = 240
+sourceAddressOctet3 = 255
+timeToLive = 1
+totalLength = 65535
 )
 
 var (
@@ -524,16 +530,16 @@ var (
 HeaderChecksum: headerChecksum,
 },
 rfc791.RFC791InternetHeaderFormatWord3{
-SourceAddressOctet0: sourceAddressOctet,
-SourceAddressOctet1: sourceAddressOctet,
-SourceAddressOctet2: sourceAddressOctet,
-SourceAddressOctet3: sourceAddressOctet,
+SourceAddressOctet0: sourceAddressOctet0,
+SourceAddressOctet1: sourceAddressOctet1,
+SourceAddressOctet2: sourceAddressOctet2,
+SourceAddressOctet3: sourceAddressOctet3,
 },
 rfc791.RFC791InternetHeaderFormatWord4{
-DestinationAddressOctet0: destinationAddressOctet,
-DestinationAddressOctet1: destinationAddressOctet,
-DestinationAddressOctet2: destinationAddressOctet,
-DestinationAddressOctet3: destinationAddressOctet,
+DestinationAddressOctet0: destinationAddressOctet0,
+DestinationAddressOctet1: destinationAddressOctet1,
+DestinationAddressOctet2: destinationAddressOctet2,
+DestinationAddressOctet3: destinationAddressOctet3,
 },
 }
 
@@ -561,16 +567,16 @@ var (
 HeaderChecksum: headerChecksum,
 },
 v1p1.RFC791InternetHeaderFormatWord3{
-SourceAddressOctet0: sourceAddressOctet,
-SourceAddressOctet1: sourceAddressOctet,
-SourceAddressOctet2: sourceAddressOctet,
-SourceAddressOctet3: sourceAddressOctet,
+SourceAddressOctet0: sourceAddressOctet0,
+SourceAddressOctet1: sourceAddressOctet1,
+SourceAddressOctet2: sourceAddressOctet2,
+SourceAddressOctet3: sourceAddressOctet3,
 },
 v1p1.RFC791InternetHeaderFormatWord4{
-DestinationAddressOctet0: destinationAddressOctet,
-DestinationAddressOctet1: destinationAddressOctet,
-DestinationAddressOctet2: destinationAddressOctet,
-DestinationAddressOctet3: destinationAddressOctet,
+DestinationAddressOctet0: destinationAddressOctet0,
+DestinationAddressOctet1: destinationAddressOctet1,
+DestinationAddressOctet2: destinationAddressOctet2,
+DestinationAddressOctet3: destinationAddressOctet3,
 },
 }
 
@@ -580,7 +586,7 @@ var (
 0b01000101, 0b11101000, 0b11111111, 0b11111111,
 0b00000000, 0b00000000, 0b01011111, 0b11111111,
 0b00000001, 0b00000110, 0b00000000, 0b00000000,
-0b00000001, 0b00000001, 0b00000001, 0b00000001,
-0b00001000, 0b00001000, 0b00001000, 0b00001000,
+0b10101010, 0b11001100, 0b11110000, 0b11111111,
+0b01010101, 0b00110011, 0b00001111, 0b00000000,
 }
 )