initial commits
parent
cd51334d8b
commit
6a9cceffef
|
|
@ -0,0 +1,41 @@
|
|||
package decnum
|
||||
|
||||
import (
|
||||
"sourcecode.social/reiver/go-rfc2396/digit"
|
||||
)
|
||||
|
||||
// Bytes return a 'decnum'.
|
||||
//
|
||||
// decnum = 1*digit
|
||||
//
|
||||
// 'decnum' doesn't appear in IETF RFC-2396 by name. But instead is part of `IPv4address`.
|
||||
//
|
||||
// IPv4address = 1*digit "." 1*digit "." 1*digit "." 1*digit
|
||||
//
|
||||
// I called this a 'decnum' (i.e., "decimal number").
|
||||
func Bytes(p []byte) (result []byte, rest []byte, ok bool) {
|
||||
|
||||
length := len(p)
|
||||
|
||||
if length <= 0 {
|
||||
return nil, nil, false
|
||||
}
|
||||
|
||||
{
|
||||
p0 := p[0]
|
||||
|
||||
if !digit.ByteIs(p0) {
|
||||
return nil, p, false
|
||||
}
|
||||
}
|
||||
|
||||
{
|
||||
for i,b := range p {
|
||||
if !digit.ByteIs(b) {
|
||||
return p[:i], p[i:], true
|
||||
}
|
||||
}
|
||||
|
||||
return p, nil, true
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,422 @@
|
|||
package decnum_test
|
||||
|
||||
import (
|
||||
"testing"
|
||||
|
||||
"bytes"
|
||||
|
||||
"sourcecode.social/reiver/go-rfc2396/decnum"
|
||||
)
|
||||
|
||||
func TestBytes(t *testing.T) {
|
||||
|
||||
tests := []struct{
|
||||
Value []byte
|
||||
ExpectedResult []byte
|
||||
ExpectedRest []byte
|
||||
ExpectedOK bool
|
||||
}{
|
||||
{
|
||||
Value: nil,
|
||||
ExpectedResult: nil,
|
||||
ExpectedRest: nil,
|
||||
ExpectedOK: false,
|
||||
},
|
||||
{
|
||||
Value: []byte(nil),
|
||||
ExpectedResult: nil,
|
||||
ExpectedRest: nil,
|
||||
ExpectedOK: false,
|
||||
},
|
||||
|
||||
|
||||
|
||||
{
|
||||
Value: []byte{},
|
||||
ExpectedResult: nil,
|
||||
ExpectedRest: nil,
|
||||
ExpectedOK: false,
|
||||
},
|
||||
{
|
||||
Value: []byte(""),
|
||||
ExpectedResult: nil,
|
||||
ExpectedRest: nil,
|
||||
ExpectedOK: false,
|
||||
},
|
||||
|
||||
|
||||
|
||||
{
|
||||
Value: []byte{'%','f','0', '%','9','f', '%','9','9', '%','8','b'}, // == "🙂"
|
||||
ExpectedResult: nil,
|
||||
ExpectedRest: []byte{'%','f','0', '%','9','f', '%','9','9', '%','8','b'},
|
||||
ExpectedOK: false,
|
||||
},
|
||||
|
||||
|
||||
|
||||
{
|
||||
Value: []byte{'$',',',';',':','@','&','=','+', '-','_','.','!','~','*','\'','(',')', '0','1','2','3','4','5','6','7','8','9', 'A','B','C','D','E','F', 'a','b','c','d','e','f', ' '},
|
||||
ExpectedResult: nil,
|
||||
ExpectedRest: []byte{'$',',',';',':','@','&','=','+', '-','_','.','!','~','*','\'','(',')', '0','1','2','3','4','5','6','7','8','9', 'A','B','C','D','E','F', 'a','b','c','d','e','f', ' '},
|
||||
ExpectedOK: false,
|
||||
},
|
||||
|
||||
|
||||
|
||||
{
|
||||
Value: []byte("0"),
|
||||
ExpectedResult: []byte("0"),
|
||||
ExpectedRest: nil,
|
||||
ExpectedOK: true,
|
||||
},
|
||||
{
|
||||
Value: []byte("1"),
|
||||
ExpectedResult: []byte("1"),
|
||||
ExpectedRest: nil,
|
||||
ExpectedOK: true,
|
||||
},
|
||||
{
|
||||
Value: []byte("2"),
|
||||
ExpectedResult: []byte("2"),
|
||||
ExpectedRest: nil,
|
||||
ExpectedOK: true,
|
||||
},
|
||||
{
|
||||
Value: []byte("3"),
|
||||
ExpectedResult: []byte("3"),
|
||||
ExpectedRest: nil,
|
||||
ExpectedOK: true,
|
||||
},
|
||||
{
|
||||
Value: []byte("4"),
|
||||
ExpectedResult: []byte("4"),
|
||||
ExpectedRest: nil,
|
||||
ExpectedOK: true,
|
||||
},
|
||||
{
|
||||
Value: []byte("5"),
|
||||
ExpectedResult: []byte("5"),
|
||||
ExpectedRest: nil,
|
||||
ExpectedOK: true,
|
||||
},
|
||||
{
|
||||
Value: []byte("6"),
|
||||
ExpectedResult: []byte("6"),
|
||||
ExpectedRest: nil,
|
||||
ExpectedOK: true,
|
||||
},
|
||||
{
|
||||
Value: []byte("7"),
|
||||
ExpectedResult: []byte("7"),
|
||||
ExpectedRest: nil,
|
||||
ExpectedOK: true,
|
||||
},
|
||||
{
|
||||
Value: []byte("8"),
|
||||
ExpectedResult: []byte("8"),
|
||||
ExpectedRest: nil,
|
||||
ExpectedOK: true,
|
||||
},
|
||||
{
|
||||
Value: []byte("9"),
|
||||
ExpectedResult: []byte("9"),
|
||||
ExpectedRest: nil,
|
||||
ExpectedOK: true,
|
||||
},
|
||||
|
||||
|
||||
|
||||
{
|
||||
Value: []byte("8080"),
|
||||
ExpectedResult: []byte("8080"),
|
||||
ExpectedRest: nil,
|
||||
ExpectedOK: true,
|
||||
},
|
||||
{
|
||||
Value: []byte("8080 "),
|
||||
ExpectedResult: []byte("8080"),
|
||||
ExpectedRest: []byte(" "),
|
||||
ExpectedOK: true,
|
||||
},
|
||||
{
|
||||
Value: []byte("8080/"),
|
||||
ExpectedResult: []byte("8080"),
|
||||
ExpectedRest: []byte("/"),
|
||||
ExpectedOK: true,
|
||||
},
|
||||
{
|
||||
Value: []byte("8080\n"),
|
||||
ExpectedResult: []byte("8080"),
|
||||
ExpectedRest: []byte("\n"),
|
||||
ExpectedOK: true,
|
||||
},
|
||||
{
|
||||
Value: []byte("8080."),
|
||||
ExpectedResult: []byte("8080"),
|
||||
ExpectedRest: []byte("."),
|
||||
ExpectedOK: true,
|
||||
},
|
||||
|
||||
|
||||
|
||||
|
||||
{
|
||||
Value: []byte("10203040506070809"),
|
||||
ExpectedResult: []byte("10203040506070809"),
|
||||
ExpectedRest: nil,
|
||||
ExpectedOK: true,
|
||||
},
|
||||
{
|
||||
Value: []byte("10203040506070809 "),
|
||||
ExpectedResult: []byte("10203040506070809"),
|
||||
ExpectedRest: []byte(" "),
|
||||
ExpectedOK: true,
|
||||
},
|
||||
{
|
||||
Value: []byte("10203040506070809/"),
|
||||
ExpectedResult: []byte("10203040506070809"),
|
||||
ExpectedRest: []byte("/"),
|
||||
ExpectedOK: true,
|
||||
},
|
||||
{
|
||||
Value: []byte("10203040506070809\n"),
|
||||
ExpectedResult: []byte("10203040506070809"),
|
||||
ExpectedRest: []byte("\n"),
|
||||
ExpectedOK: true,
|
||||
},
|
||||
{
|
||||
Value: []byte("10203040506070809."),
|
||||
ExpectedResult: []byte("10203040506070809"),
|
||||
ExpectedRest: []byte("."),
|
||||
ExpectedOK: true,
|
||||
},
|
||||
|
||||
|
||||
|
||||
{
|
||||
Value: []byte("192.168.0.1"),
|
||||
ExpectedResult: []byte("192"),
|
||||
ExpectedRest: []byte(".168.0.1"),
|
||||
ExpectedOK: true,
|
||||
},
|
||||
}
|
||||
|
||||
for _, b1 := range []byte{'0','1','2','3','4','5','6','7','8','9'} {
|
||||
for _, b2 := range []byte{'0','1','2','3','4','5','6','7','8','9'} {
|
||||
|
||||
{
|
||||
test := struct{
|
||||
Value []byte
|
||||
ExpectedResult []byte
|
||||
ExpectedRest []byte
|
||||
ExpectedOK bool
|
||||
}{
|
||||
Value: []byte{b1, b2},
|
||||
ExpectedResult: []byte{b1, b2},
|
||||
ExpectedRest: nil,
|
||||
ExpectedOK: true,
|
||||
}
|
||||
|
||||
tests = append(tests, test)
|
||||
}
|
||||
|
||||
{
|
||||
test := struct{
|
||||
Value []byte
|
||||
ExpectedResult []byte
|
||||
ExpectedRest []byte
|
||||
ExpectedOK bool
|
||||
}{
|
||||
Value: []byte{b1, b2, ' '},
|
||||
ExpectedResult: []byte{b1, b2},
|
||||
ExpectedRest: []byte{' '},
|
||||
ExpectedOK: true,
|
||||
}
|
||||
|
||||
tests = append(tests, test)
|
||||
}
|
||||
|
||||
{
|
||||
test := struct{
|
||||
Value []byte
|
||||
ExpectedResult []byte
|
||||
ExpectedRest []byte
|
||||
ExpectedOK bool
|
||||
}{
|
||||
Value: []byte{b1, b2, '/'},
|
||||
ExpectedResult: []byte{b1, b2},
|
||||
ExpectedRest: []byte{'/'},
|
||||
ExpectedOK: true,
|
||||
}
|
||||
|
||||
tests = append(tests, test)
|
||||
}
|
||||
|
||||
{
|
||||
test := struct{
|
||||
Value []byte
|
||||
ExpectedResult []byte
|
||||
ExpectedRest []byte
|
||||
ExpectedOK bool
|
||||
}{
|
||||
Value: []byte{b1, b2, '\n'},
|
||||
ExpectedResult: []byte{b1, b2},
|
||||
ExpectedRest: []byte{'\n'},
|
||||
ExpectedOK: true,
|
||||
}
|
||||
|
||||
tests = append(tests, test)
|
||||
}
|
||||
|
||||
{
|
||||
test := struct{
|
||||
Value []byte
|
||||
ExpectedResult []byte
|
||||
ExpectedRest []byte
|
||||
ExpectedOK bool
|
||||
}{
|
||||
Value: []byte{b1, b2, 'A'},
|
||||
ExpectedResult: []byte{b1, b2},
|
||||
ExpectedRest: []byte{'A'},
|
||||
ExpectedOK: true,
|
||||
}
|
||||
|
||||
tests = append(tests, test)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
for _, b1 := range []byte{'0','1','2','3','4','5','6','7','8','9'} {
|
||||
for _, b2 := range []byte{'0','1','2','3','4','5','6','7','8','9'} {
|
||||
for _, b3 := range []byte{'0','1','2','3','4','5','6','7','8','9'} {
|
||||
|
||||
{
|
||||
test := struct{
|
||||
Value []byte
|
||||
ExpectedResult []byte
|
||||
ExpectedRest []byte
|
||||
ExpectedOK bool
|
||||
}{
|
||||
Value: []byte{b1, b2, b3},
|
||||
ExpectedResult: []byte{b1, b2, b3},
|
||||
ExpectedRest: nil,
|
||||
ExpectedOK: true,
|
||||
}
|
||||
|
||||
tests = append(tests, test)
|
||||
}
|
||||
|
||||
{
|
||||
test := struct{
|
||||
Value []byte
|
||||
ExpectedResult []byte
|
||||
ExpectedRest []byte
|
||||
ExpectedOK bool
|
||||
}{
|
||||
Value: []byte{b1, b2, b3, ' '},
|
||||
ExpectedResult: []byte{b1, b2, b3},
|
||||
ExpectedRest: []byte{' '},
|
||||
ExpectedOK: true,
|
||||
}
|
||||
|
||||
tests = append(tests, test)
|
||||
}
|
||||
|
||||
{
|
||||
test := struct{
|
||||
Value []byte
|
||||
ExpectedResult []byte
|
||||
ExpectedRest []byte
|
||||
ExpectedOK bool
|
||||
}{
|
||||
Value: []byte{b1, b2, b3, '/'},
|
||||
ExpectedResult: []byte{b1, b2, b3},
|
||||
ExpectedRest: []byte{'/'},
|
||||
ExpectedOK: true,
|
||||
}
|
||||
|
||||
tests = append(tests, test)
|
||||
}
|
||||
|
||||
{
|
||||
test := struct{
|
||||
Value []byte
|
||||
ExpectedResult []byte
|
||||
ExpectedRest []byte
|
||||
ExpectedOK bool
|
||||
}{
|
||||
Value: []byte{b1, b2, b3, '\n'},
|
||||
ExpectedResult: []byte{b1, b2, b3},
|
||||
ExpectedRest: []byte{'\n'},
|
||||
ExpectedOK: true,
|
||||
}
|
||||
|
||||
tests = append(tests, test)
|
||||
}
|
||||
|
||||
{
|
||||
test := struct{
|
||||
Value []byte
|
||||
ExpectedResult []byte
|
||||
ExpectedRest []byte
|
||||
ExpectedOK bool
|
||||
}{
|
||||
Value: []byte{b1, b2, b3, 'A'},
|
||||
ExpectedResult: []byte{b1, b2, b3},
|
||||
ExpectedRest: []byte{'A'},
|
||||
ExpectedOK: true,
|
||||
}
|
||||
|
||||
tests = append(tests, test)
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
for testNumber, test := range tests {
|
||||
|
||||
actualResult, actualRest, actualOK := decnum.Bytes(test.Value)
|
||||
|
||||
{
|
||||
expected := test.ExpectedOK
|
||||
actual := actualOK
|
||||
|
||||
if expected != actual {
|
||||
t.Errorf("For test #%d, the actual ok-result is not what was expected.", testNumber)
|
||||
t.Logf("EXPECTED: %t", expected)
|
||||
t.Logf("ACTUAL: %t", actual)
|
||||
t.Logf("VALUE: %q (%#v)", test.Value, test.Value)
|
||||
continue
|
||||
}
|
||||
}
|
||||
|
||||
{
|
||||
expected := test.ExpectedResult
|
||||
actual := actualResult
|
||||
|
||||
if !bytes.Equal(expected,actual) {
|
||||
t.Errorf("For test #%d, the actual result is not what was expected.", testNumber)
|
||||
t.Logf("EXPECTED: %q (%#v)", expected, expected)
|
||||
t.Logf("ACTUAL: %q (%#v)", actual, actual)
|
||||
t.Logf("VALUE: %q (%#v)", test.Value, test.Value)
|
||||
t.Logf("ACTUAL-REST: %q (%#v)", actualRest, actualRest)
|
||||
continue
|
||||
}
|
||||
}
|
||||
|
||||
{
|
||||
expected := test.ExpectedRest
|
||||
actual := actualRest
|
||||
|
||||
if !bytes.Equal(expected,actual) {
|
||||
t.Errorf("For test #%d, the actual rest-result is not what was expected.", testNumber)
|
||||
t.Logf("EXPECTED: %q (%#v)", expected, expected)
|
||||
t.Logf("ACTUAL: %q (%#v)", actual, actual)
|
||||
t.Logf("VALUE: %q (%#v)", test.Value, test.Value)
|
||||
continue
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue