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// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package date
import (
"bytes"
"encoding/gob"
"encoding/json"
"testing"
"time"
)
func TestDate_gob_Encode_round_tripe(t *testing.T) {
cases := []Date{
New(-11111, time.February, 3),
New(-1, time.December, 31),
New(0, time.January, 1),
New(1, time.January, 1),
New(1970, time.January, 1),
New(2012, time.June, 25),
New(12345, time.June, 7),
}
for _, c := range cases {
var b bytes.Buffer
encoder := gob.NewEncoder(&b)
decoder := gob.NewDecoder(&b)
var d Date
err := encoder.Encode(&c)
if err != nil {
t.Errorf("Gob(%v) encode error %v", c, err)
} else {
err = decoder.Decode(&d)
if err != nil {
t.Errorf("Gob(%v) decode error %v", c, err)
} else if d != c {
t.Errorf("Gob(%v) decode got %v", c, d)
}
}
ds := c.DateString()
err = encoder.Encode(&ds)
if err != nil {
t.Errorf("Gob(%v) encode error %v", c, err)
} else {
err = decoder.Decode(&ds)
if err != nil {
t.Errorf("Gob(%v) decode error %v", c, err)
} else if ds != c.DateString() {
t.Errorf("Gob(%v) decode got %v", c, ds)
}
}
}
}
func TestDate_MarshalJSON_round_trip(t *testing.T) {
cases := []struct {
value Date
want string
}{
{New(-11111, time.February, 3), `"-11111-02-03"`},
{New(-1, time.December, 31), `"-0001-12-31"`},
{New(0, time.January, 1), `"0000-01-01"`},
{New(1, time.January, 1), `"0001-01-01"`},
{New(1970, time.January, 1), `"1970-01-01"`},
{New(2012, time.June, 25), `"2012-06-25"`},
{New(12345, time.June, 7), `"+12345-06-07"`},
}
for _, c := range cases {
var d Date
bb1, err := json.Marshal(c.value)
if err != nil {
t.Errorf("JSON(%v) marshal error %v", c, err)
} else if string(bb1) != c.want {
t.Errorf("JSON(%v) == %v, want %v", c.value, string(bb1), c.want)
} else {
err = json.Unmarshal(bb1, &d)
if err != nil {
t.Errorf("JSON(%v) unmarshal error %v", c.value, err)
} else if d != c.value {
t.Errorf("JSON(%v) unmarshal got %v", c.value, d)
}
}
// consistency
var ds DateString
bb2, err := json.Marshal(c.value.DateString())
if err != nil {
t.Errorf("JSON(%v) marshal error %v", c, err)
} else if string(bb2) != c.want {
t.Errorf("JSON(%v) == %v, want %v", c.value.DateString(), string(bb2), c.want)
} else {
err = json.Unmarshal(bb2, &ds)
if err != nil {
t.Errorf("JSON(%v) unmarshal error %v", c.value.DateString(), err)
} else if ds != c.value.DateString() {
t.Errorf("JSON(%v) unmarshal got %v", c.value.DateString(), ds)
}
}
}
}
func TestDate_MarshalText_round_trip(t *testing.T) {
cases := []struct {
value Date
want string
}{
{New(-11111, time.February, 3), "-11111-02-03"},
{New(-1, time.December, 31), "-0001-12-31"},
{New(0, time.January, 1), "0000-01-01"},
{New(1, time.January, 1), "0001-01-01"},
{New(1970, time.January, 1), "1970-01-01"},
{New(2012, time.June, 25), "2012-06-25"},
{New(12345, time.June, 7), "+12345-06-07"},
}
for _, c := range cases {
var d Date
bb1, err := c.value.MarshalText()
if err != nil {
t.Errorf("Text(%v) marshal error %v", c, err)
} else if string(bb1) != c.want {
t.Errorf("Text(%v) == %q, want %q", c.value, string(bb1), c.want)
} else {
err = d.UnmarshalText(bb1)
if err != nil {
t.Errorf("Text(%v) unmarshal error %v", c.value, err)
} else if d != c.value {
t.Errorf("Text(%v) unmarshal got %v", c.value, d)
}
}
// consistency
var ds DateString
bb2, err := c.value.DateString().MarshalText()
if err != nil {
t.Errorf("Text(%v) marshal error %v", c, err)
} else if string(bb2) != c.want {
t.Errorf("Text(%v) == %v, want %q", c.value, string(bb2), c.want)
} else {
err = ds.UnmarshalText(bb2)
if err != nil {
t.Errorf("Text(%v) unmarshal error %v", c.value, err)
} else if ds != c.value.DateString() {
t.Errorf("Text(%v) unmarshal got %v", c.value, ds)
}
}
}
}
func TestDate_MarshalBinary_round_trip(t *testing.T) {
cases := []struct {
value Date
}{
{New(-11111, time.February, 3)},
{New(-1, time.December, 31)},
{New(0, time.January, 1)},
{New(1, time.January, 1)},
{New(1970, time.January, 1)},
{New(2012, time.June, 25)},
{New(12345, time.June, 7)},
}
for _, c := range cases {
bb1, err := c.value.MarshalBinary()
if err != nil {
t.Errorf("Binary(%v) marshal error %v", c, err)
} else {
var d Date
err = d.UnmarshalBinary(bb1)
if err != nil {
t.Errorf("Binary(%v) unmarshal error %v", c.value, err)
} else if d != c.value {
t.Errorf("Binary(%v) unmarshal got %v", c.value, d)
}
}
// consistency check
bb2, err := c.value.MarshalBinary()
if err != nil {
t.Errorf("Binary(%v) marshal error %v", c, err)
} else {
var ds DateString
err = ds.UnmarshalBinary(bb2)
if err != nil {
t.Errorf("Binary(%v) unmarshal error %v", c.value, err)
} else if ds != c.value.DateString() {
t.Errorf("Binary(%v) unmarshal got %v", c.value, ds)
}
}
}
}
func TestDate_UnmarshalBinary_errors(t *testing.T) {
var d Date
err1 := d.UnmarshalBinary([]byte{})
if err1 == nil {
t.Errorf("unmarshal no empty data error")
}
err2 := d.UnmarshalBinary([]byte("12345"))
if err2 == nil {
t.Errorf("unmarshal no wrong length error")
}
}
func TestDate_UnmarshalText_invalid_date_text(t *testing.T) {
cases := []struct {
value string
want string
}{
{`not-a-date`, `Date.ParseISO: cannot parse "not-a-date": incorrect syntax`},
{`215-08-15`, `Date.ParseISO: cannot parse "215-08-15": invalid year`},
}
for _, c := range cases {
var d Date
err := d.UnmarshalText([]byte(c.value))
if err == nil || err.Error() != c.want {
t.Errorf("InvalidText(%v) == %v, want %v", c.value, err, c.want)
}
}
}
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