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// Copyright 2009 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 strconv_test
import (
"errors"
"reflect"
. "strconv"
"testing"
)
type atoui64Test struct {
in string
out uint64
err error
}
var atoui64tests = []atoui64Test{
{"", 0, ErrSyntax},
{"0", 0, nil},
{"1", 1, nil},
{"12345", 12345, nil},
{"012345", 12345, nil},
{"12345x", 0, ErrSyntax},
{"98765432100", 98765432100, nil},
{"18446744073709551615", 1<<64 - 1, nil},
{"18446744073709551616", 1<<64 - 1, ErrRange},
{"18446744073709551620", 1<<64 - 1, ErrRange},
}
var btoui64tests = []atoui64Test{
{"", 0, ErrSyntax},
{"0", 0, nil},
{"0x", 0, ErrSyntax},
{"0X", 0, ErrSyntax},
{"1", 1, nil},
{"12345", 12345, nil},
{"012345", 012345, nil},
{"0x12345", 0x12345, nil},
{"0X12345", 0x12345, nil},
{"12345x", 0, ErrSyntax},
{"0xabcdefg123", 0, ErrSyntax},
{"123456789abc", 0, ErrSyntax},
{"98765432100", 98765432100, nil},
{"18446744073709551615", 1<<64 - 1, nil},
{"18446744073709551616", 1<<64 - 1, ErrRange},
{"18446744073709551620", 1<<64 - 1, ErrRange},
{"0xFFFFFFFFFFFFFFFF", 1<<64 - 1, nil},
{"0x10000000000000000", 1<<64 - 1, ErrRange},
{"01777777777777777777777", 1<<64 - 1, nil},
{"01777777777777777777778", 0, ErrSyntax},
{"02000000000000000000000", 1<<64 - 1, ErrRange},
{"0200000000000000000000", 1 << 61, nil},
}
type atoi64Test struct {
in string
out int64
err error
}
var atoi64tests = []atoi64Test{
{"", 0, ErrSyntax},
{"0", 0, nil},
{"-0", 0, nil},
{"1", 1, nil},
{"-1", -1, nil},
{"12345", 12345, nil},
{"-12345", -12345, nil},
{"012345", 12345, nil},
{"-012345", -12345, nil},
{"98765432100", 98765432100, nil},
{"-98765432100", -98765432100, nil},
{"9223372036854775807", 1<<63 - 1, nil},
{"-9223372036854775807", -(1<<63 - 1), nil},
{"9223372036854775808", 1<<63 - 1, ErrRange},
{"-9223372036854775808", -1 << 63, nil},
{"9223372036854775809", 1<<63 - 1, ErrRange},
{"-9223372036854775809", -1 << 63, ErrRange},
}
type btoi64Test struct {
in string
base int
out int64
err error
}
var btoi64tests = []btoi64Test{
{"", 0, 0, ErrSyntax},
{"0", 0, 0, nil},
{"-0", 0, 0, nil},
{"1", 0, 1, nil},
{"-1", 0, -1, nil},
{"12345", 0, 12345, nil},
{"-12345", 0, -12345, nil},
{"012345", 0, 012345, nil},
{"-012345", 0, -012345, nil},
{"0x12345", 0, 0x12345, nil},
{"-0X12345", 0, -0x12345, nil},
{"12345x", 0, 0, ErrSyntax},
{"-12345x", 0, 0, ErrSyntax},
{"98765432100", 0, 98765432100, nil},
{"-98765432100", 0, -98765432100, nil},
{"9223372036854775807", 0, 1<<63 - 1, nil},
{"-9223372036854775807", 0, -(1<<63 - 1), nil},
{"9223372036854775808", 0, 1<<63 - 1, ErrRange},
{"-9223372036854775808", 0, -1 << 63, nil},
{"9223372036854775809", 0, 1<<63 - 1, ErrRange},
{"-9223372036854775809", 0, -1 << 63, ErrRange},
// other bases
{"g", 17, 16, nil},
{"10", 25, 25, nil},
{"holycow", 35, (((((17*35+24)*35+21)*35+34)*35+12)*35+24)*35 + 32, nil},
{"holycow", 36, (((((17*36+24)*36+21)*36+34)*36+12)*36+24)*36 + 32, nil},
// base 2
{"0", 2, 0, nil},
{"-1", 2, -1, nil},
{"1010", 2, 10, nil},
{"1000000000000000", 2, 1 << 15, nil},
{"111111111111111111111111111111111111111111111111111111111111111", 2, 1<<63 - 1, nil},
{"1000000000000000000000000000000000000000000000000000000000000000", 2, 1<<63 - 1, ErrRange},
{"-1000000000000000000000000000000000000000000000000000000000000000", 2, -1 << 63, nil},
{"-1000000000000000000000000000000000000000000000000000000000000001", 2, -1 << 63, ErrRange},
// base 8
{"-10", 8, -8, nil},
{"57635436545", 8, 057635436545, nil},
{"100000000", 8, 1 << 24, nil},
// base 16
{"10", 16, 16, nil},
{"-123456789abcdef", 16, -0x123456789abcdef, nil},
{"7fffffffffffffff", 16, 1<<63 - 1, nil},
}
type atoui32Test struct {
in string
out uint32
err error
}
var atoui32tests = []atoui32Test{
{"", 0, ErrSyntax},
{"0", 0, nil},
{"1", 1, nil},
{"12345", 12345, nil},
{"012345", 12345, nil},
{"12345x", 0, ErrSyntax},
{"987654321", 987654321, nil},
{"4294967295", 1<<32 - 1, nil},
{"4294967296", 1<<32 - 1, ErrRange},
}
type atoi32Test struct {
in string
out int32
err error
}
var atoi32tests = []atoi32Test{
{"", 0, ErrSyntax},
{"0", 0, nil},
{"-0", 0, nil},
{"1", 1, nil},
{"-1", -1, nil},
{"12345", 12345, nil},
{"-12345", -12345, nil},
{"012345", 12345, nil},
{"-012345", -12345, nil},
{"12345x", 0, ErrSyntax},
{"-12345x", 0, ErrSyntax},
{"987654321", 987654321, nil},
{"-987654321", -987654321, nil},
{"2147483647", 1<<31 - 1, nil},
{"-2147483647", -(1<<31 - 1), nil},
{"2147483648", 1<<31 - 1, ErrRange},
{"-2147483648", -1 << 31, nil},
{"2147483649", 1<<31 - 1, ErrRange},
{"-2147483649", -1 << 31, ErrRange},
}
type numErrorTest struct {
num, want string
}
var numErrorTests = []numErrorTest{
{"0", `strconv.ParseFloat: parsing "0": failed`},
{"`", "strconv.ParseFloat: parsing \"`\": failed"},
{"1\x00.2", `strconv.ParseFloat: parsing "1\x00.2": failed`},
}
func init() {
// The atoi routines return NumErrors wrapping
// the error and the string. Convert the tables above.
for i := range atoui64tests {
test := &atoui64tests[i]
if test.err != nil {
test.err = &NumError{"ParseUint", test.in, test.err}
}
}
for i := range btoui64tests {
test := &btoui64tests[i]
if test.err != nil {
test.err = &NumError{"ParseUint", test.in, test.err}
}
}
for i := range atoi64tests {
test := &atoi64tests[i]
if test.err != nil {
test.err = &NumError{"ParseInt", test.in, test.err}
}
}
for i := range btoi64tests {
test := &btoi64tests[i]
if test.err != nil {
test.err = &NumError{"ParseInt", test.in, test.err}
}
}
for i := range atoui32tests {
test := &atoui32tests[i]
if test.err != nil {
test.err = &NumError{"ParseUint", test.in, test.err}
}
}
for i := range atoi32tests {
test := &atoi32tests[i]
if test.err != nil {
test.err = &NumError{"ParseInt", test.in, test.err}
}
}
}
func TestParseUint64(t *testing.T) {
for i := range atoui64tests {
test := &atoui64tests[i]
out, err := ParseUint(test.in, 10, 64)
if test.out != out || !reflect.DeepEqual(test.err, err) {
t.Errorf("Atoui64(%q) = %v, %v want %v, %v",
test.in, out, err, test.out, test.err)
}
}
}
func TestParseUint64Base(t *testing.T) {
for i := range btoui64tests {
test := &btoui64tests[i]
out, err := ParseUint(test.in, 0, 64)
if test.out != out || !reflect.DeepEqual(test.err, err) {
t.Errorf("ParseUint(%q) = %v, %v want %v, %v",
test.in, out, err, test.out, test.err)
}
}
}
func TestParseInt64(t *testing.T) {
for i := range atoi64tests {
test := &atoi64tests[i]
out, err := ParseInt(test.in, 10, 64)
if test.out != out || !reflect.DeepEqual(test.err, err) {
t.Errorf("Atoi64(%q) = %v, %v want %v, %v",
test.in, out, err, test.out, test.err)
}
}
}
func TestParseInt64Base(t *testing.T) {
for i := range btoi64tests {
test := &btoi64tests[i]
out, err := ParseInt(test.in, test.base, 64)
if test.out != out || !reflect.DeepEqual(test.err, err) {
t.Errorf("ParseInt(%q) = %v, %v want %v, %v",
test.in, out, err, test.out, test.err)
}
}
}
func TestParseUint(t *testing.T) {
switch IntSize {
case 32:
for i := range atoui32tests {
test := &atoui32tests[i]
out, err := ParseUint(test.in, 10, 0)
if test.out != uint32(out) || !reflect.DeepEqual(test.err, err) {
t.Errorf("Atoui(%q) = %v, %v want %v, %v",
test.in, out, err, test.out, test.err)
}
}
case 64:
for i := range atoui64tests {
test := &atoui64tests[i]
out, err := ParseUint(test.in, 10, 0)
if test.out != uint64(out) || !reflect.DeepEqual(test.err, err) {
t.Errorf("Atoui(%q) = %v, %v want %v, %v",
test.in, out, err, test.out, test.err)
}
}
}
}
func TestParseInt(t *testing.T) {
switch IntSize {
case 32:
for i := range atoi32tests {
test := &atoi32tests[i]
out, err := ParseInt(test.in, 10, 0)
if test.out != int32(out) || !reflect.DeepEqual(test.err, err) {
t.Errorf("Atoi(%q) = %v, %v want %v, %v",
test.in, out, err, test.out, test.err)
}
}
case 64:
for i := range atoi64tests {
test := &atoi64tests[i]
out, err := ParseInt(test.in, 10, 0)
if test.out != int64(out) || !reflect.DeepEqual(test.err, err) {
t.Errorf("Atoi(%q) = %v, %v want %v, %v",
test.in, out, err, test.out, test.err)
}
}
}
}
func TestNumError(t *testing.T) {
for _, test := range numErrorTests {
err := &NumError{
Func: "ParseFloat",
Num: test.num,
Err: errors.New("failed"),
}
if got := err.Error(); got != test.want {
t.Errorf(`(&NumError{"ParseFloat", %q, "failed"}).Error() = %v, want %v`, test.num, got, test.want)
}
}
}
func BenchmarkAtoi(b *testing.B) {
for i := 0; i < b.N; i++ {
ParseInt("12345678", 10, 0)
}
}
func BenchmarkAtoiNeg(b *testing.B) {
for i := 0; i < b.N; i++ {
ParseInt("-12345678", 10, 0)
}
}
func BenchmarkAtoi64(b *testing.B) {
for i := 0; i < b.N; i++ {
ParseInt("12345678901234", 10, 64)
}
}
func BenchmarkAtoi64Neg(b *testing.B) {
for i := 0; i < b.N; i++ {
ParseInt("-12345678901234", 10, 64)
}
}