/usr/share/gocode/src/gopkg.in/guregu/null.v3/zero/int_test.go is in golang-gopkg-guregu-null.v3-dev 3.1+git20160228.0.41961ce-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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import (
"encoding/json"
"math"
"strconv"
"testing"
)
var (
intJSON = []byte(`12345`)
nullIntJSON = []byte(`{"Int64":12345,"Valid":true}`)
zeroJSON = []byte(`0`)
)
func TestIntFrom(t *testing.T) {
i := IntFrom(12345)
assertInt(t, i, "IntFrom()")
zero := IntFrom(0)
if zero.Valid {
t.Error("IntFrom(0)", "is valid, but should be invalid")
}
}
func TestIntFromPtr(t *testing.T) {
n := int64(12345)
iptr := &n
i := IntFromPtr(iptr)
assertInt(t, i, "IntFromPtr()")
null := IntFromPtr(nil)
assertNullInt(t, null, "IntFromPtr(nil)")
}
func TestUnmarshalInt(t *testing.T) {
var i Int
err := json.Unmarshal(intJSON, &i)
maybePanic(err)
assertInt(t, i, "int json")
var ni Int
err = json.Unmarshal(nullIntJSON, &ni)
maybePanic(err)
assertInt(t, ni, "sql.NullInt64 json")
var zero Int
err = json.Unmarshal(zeroJSON, &zero)
maybePanic(err)
assertNullInt(t, zero, "zero json")
var null Int
err = json.Unmarshal(nullJSON, &null)
maybePanic(err)
assertNullInt(t, null, "null json")
var badType Int
err = json.Unmarshal(boolJSON, &badType)
if err == nil {
panic("err should not be nil")
}
assertNullInt(t, badType, "wrong type json")
var invalid Int
err = invalid.UnmarshalJSON(invalidJSON)
if _, ok := err.(*json.SyntaxError); !ok {
t.Errorf("expected json.SyntaxError, not %T", err)
}
assertNullInt(t, invalid, "invalid json")
}
func TestUnmarshalNonIntegerNumber(t *testing.T) {
var i Int
err := json.Unmarshal(floatJSON, &i)
if err == nil {
panic("err should be present; non-integer number coerced to int")
}
}
func TestUnmarshalInt64Overflow(t *testing.T) {
int64Overflow := uint64(math.MaxInt64)
// Max int64 should decode successfully
var i Int
err := json.Unmarshal([]byte(strconv.FormatUint(int64Overflow, 10)), &i)
maybePanic(err)
// Attempt to overflow
int64Overflow++
err = json.Unmarshal([]byte(strconv.FormatUint(int64Overflow, 10)), &i)
if err == nil {
panic("err should be present; decoded value overflows int64")
}
}
func TestTextUnmarshalInt(t *testing.T) {
var i Int
err := i.UnmarshalText([]byte("12345"))
maybePanic(err)
assertInt(t, i, "UnmarshalText() int")
var zero Int
err = zero.UnmarshalText([]byte("0"))
maybePanic(err)
assertNullInt(t, zero, "UnmarshalText() zero int")
var blank Int
err = blank.UnmarshalText([]byte(""))
maybePanic(err)
assertNullInt(t, blank, "UnmarshalText() empty int")
var null Int
err = null.UnmarshalText([]byte("null"))
maybePanic(err)
assertNullInt(t, null, `UnmarshalText() "null"`)
}
func TestMarshalInt(t *testing.T) {
i := IntFrom(12345)
data, err := json.Marshal(i)
maybePanic(err)
assertJSONEquals(t, data, "12345", "non-empty json marshal")
// invalid values should be encoded as 0
null := NewInt(0, false)
data, err = json.Marshal(null)
maybePanic(err)
assertJSONEquals(t, data, "0", "null json marshal")
}
func TestMarshalIntText(t *testing.T) {
i := IntFrom(12345)
data, err := i.MarshalText()
maybePanic(err)
assertJSONEquals(t, data, "12345", "non-empty text marshal")
// invalid values should be encoded as zero
null := NewInt(0, false)
data, err = null.MarshalText()
maybePanic(err)
assertJSONEquals(t, data, "0", "null text marshal")
}
func TestIntPointer(t *testing.T) {
i := IntFrom(12345)
ptr := i.Ptr()
if *ptr != 12345 {
t.Errorf("bad %s int: %#v ≠ %d\n", "pointer", ptr, 12345)
}
null := NewInt(0, false)
ptr = null.Ptr()
if ptr != nil {
t.Errorf("bad %s int: %#v ≠ %s\n", "nil pointer", ptr, "nil")
}
}
func TestIntIsZero(t *testing.T) {
i := IntFrom(12345)
if i.IsZero() {
t.Errorf("IsZero() should be false")
}
null := NewInt(0, false)
if !null.IsZero() {
t.Errorf("IsZero() should be true")
}
zero := NewInt(0, true)
if !zero.IsZero() {
t.Errorf("IsZero() should be true")
}
}
func TestIntScan(t *testing.T) {
var i Int
err := i.Scan(12345)
maybePanic(err)
assertInt(t, i, "scanned int")
var null Int
err = null.Scan(nil)
maybePanic(err)
assertNullInt(t, null, "scanned null")
}
func TestIntSetValid(t *testing.T) {
change := NewInt(0, false)
assertNullInt(t, change, "SetValid()")
change.SetValid(12345)
assertInt(t, change, "SetValid()")
}
func assertInt(t *testing.T, i Int, from string) {
if i.Int64 != 12345 {
t.Errorf("bad %s int: %d ≠ %d\n", from, i.Int64, 12345)
}
if !i.Valid {
t.Error(from, "is invalid, but should be valid")
}
}
func assertNullInt(t *testing.T, i Int, from string) {
if i.Valid {
t.Error(from, "is valid, but should be invalid")
}
}
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