|  | // 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" | 
|  | "fmt" | 
|  | "reflect" | 
|  | . "strconv" | 
|  | "testing" | 
|  | ) | 
|  |  | 
|  | type parseUint64Test struct { | 
|  | in  string | 
|  | out uint64 | 
|  | err error | 
|  | } | 
|  |  | 
|  | var parseUint64Tests = []parseUint64Test{ | 
|  | {"", 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}, | 
|  | {"1_2_3_4_5", 0, ErrSyntax}, // base=10 so no underscores allowed | 
|  | {"_12345", 0, ErrSyntax}, | 
|  | {"1__2345", 0, ErrSyntax}, | 
|  | {"12345_", 0, ErrSyntax}, | 
|  | {"-0", 0, ErrSyntax}, | 
|  | {"-1", 0, ErrSyntax}, | 
|  | {"+1", 0, ErrSyntax}, | 
|  | } | 
|  |  | 
|  | type parseUint64BaseTest struct { | 
|  | in   string | 
|  | base int | 
|  | out  uint64 | 
|  | err  error | 
|  | } | 
|  |  | 
|  | var parseUint64BaseTests = []parseUint64BaseTest{ | 
|  | {"", 0, 0, ErrSyntax}, | 
|  | {"0", 0, 0, nil}, | 
|  | {"0x", 0, 0, ErrSyntax}, | 
|  | {"0X", 0, 0, ErrSyntax}, | 
|  | {"1", 0, 1, nil}, | 
|  | {"12345", 0, 12345, nil}, | 
|  | {"012345", 0, 012345, nil}, | 
|  | {"0x12345", 0, 0x12345, nil}, | 
|  | {"0X12345", 0, 0x12345, nil}, | 
|  | {"12345x", 0, 0, ErrSyntax}, | 
|  | {"0xabcdefg123", 0, 0, ErrSyntax}, | 
|  | {"123456789abc", 0, 0, ErrSyntax}, | 
|  | {"98765432100", 0, 98765432100, nil}, | 
|  | {"18446744073709551615", 0, 1<<64 - 1, nil}, | 
|  | {"18446744073709551616", 0, 1<<64 - 1, ErrRange}, | 
|  | {"18446744073709551620", 0, 1<<64 - 1, ErrRange}, | 
|  | {"0xFFFFFFFFFFFFFFFF", 0, 1<<64 - 1, nil}, | 
|  | {"0x10000000000000000", 0, 1<<64 - 1, ErrRange}, | 
|  | {"01777777777777777777777", 0, 1<<64 - 1, nil}, | 
|  | {"01777777777777777777778", 0, 0, ErrSyntax}, | 
|  | {"02000000000000000000000", 0, 1<<64 - 1, ErrRange}, | 
|  | {"0200000000000000000000", 0, 1 << 61, nil}, | 
|  | {"0b", 0, 0, ErrSyntax}, | 
|  | {"0B", 0, 0, ErrSyntax}, | 
|  | {"0b101", 0, 5, nil}, | 
|  | {"0B101", 0, 5, nil}, | 
|  | {"0o", 0, 0, ErrSyntax}, | 
|  | {"0O", 0, 0, ErrSyntax}, | 
|  | {"0o377", 0, 255, nil}, | 
|  | {"0O377", 0, 255, nil}, | 
|  |  | 
|  | // underscores allowed with base == 0 only | 
|  | {"1_2_3_4_5", 0, 12345, nil}, // base 0 => 10 | 
|  | {"_12345", 0, 0, ErrSyntax}, | 
|  | {"1__2345", 0, 0, ErrSyntax}, | 
|  | {"12345_", 0, 0, ErrSyntax}, | 
|  |  | 
|  | {"1_2_3_4_5", 10, 0, ErrSyntax}, // base 10 | 
|  | {"_12345", 10, 0, ErrSyntax}, | 
|  | {"1__2345", 10, 0, ErrSyntax}, | 
|  | {"12345_", 10, 0, ErrSyntax}, | 
|  |  | 
|  | {"0x_1_2_3_4_5", 0, 0x12345, nil}, // base 0 => 16 | 
|  | {"_0x12345", 0, 0, ErrSyntax}, | 
|  | {"0x__12345", 0, 0, ErrSyntax}, | 
|  | {"0x1__2345", 0, 0, ErrSyntax}, | 
|  | {"0x1234__5", 0, 0, ErrSyntax}, | 
|  | {"0x12345_", 0, 0, ErrSyntax}, | 
|  |  | 
|  | {"1_2_3_4_5", 16, 0, ErrSyntax}, // base 16 | 
|  | {"_12345", 16, 0, ErrSyntax}, | 
|  | {"1__2345", 16, 0, ErrSyntax}, | 
|  | {"1234__5", 16, 0, ErrSyntax}, | 
|  | {"12345_", 16, 0, ErrSyntax}, | 
|  |  | 
|  | {"0_1_2_3_4_5", 0, 012345, nil}, // base 0 => 8 (0377) | 
|  | {"_012345", 0, 0, ErrSyntax}, | 
|  | {"0__12345", 0, 0, ErrSyntax}, | 
|  | {"01234__5", 0, 0, ErrSyntax}, | 
|  | {"012345_", 0, 0, ErrSyntax}, | 
|  |  | 
|  | {"0o_1_2_3_4_5", 0, 012345, nil}, // base 0 => 8 (0o377) | 
|  | {"_0o12345", 0, 0, ErrSyntax}, | 
|  | {"0o__12345", 0, 0, ErrSyntax}, | 
|  | {"0o1234__5", 0, 0, ErrSyntax}, | 
|  | {"0o12345_", 0, 0, ErrSyntax}, | 
|  |  | 
|  | {"0_1_2_3_4_5", 8, 0, ErrSyntax}, // base 8 | 
|  | {"_012345", 8, 0, ErrSyntax}, | 
|  | {"0__12345", 8, 0, ErrSyntax}, | 
|  | {"01234__5", 8, 0, ErrSyntax}, | 
|  | {"012345_", 8, 0, ErrSyntax}, | 
|  |  | 
|  | {"0b_1_0_1", 0, 5, nil}, // base 0 => 2 (0b101) | 
|  | {"_0b101", 0, 0, ErrSyntax}, | 
|  | {"0b__101", 0, 0, ErrSyntax}, | 
|  | {"0b1__01", 0, 0, ErrSyntax}, | 
|  | {"0b10__1", 0, 0, ErrSyntax}, | 
|  | {"0b101_", 0, 0, ErrSyntax}, | 
|  |  | 
|  | {"1_0_1", 2, 0, ErrSyntax}, // base 2 | 
|  | {"_101", 2, 0, ErrSyntax}, | 
|  | {"1_01", 2, 0, ErrSyntax}, | 
|  | {"10_1", 2, 0, ErrSyntax}, | 
|  | {"101_", 2, 0, ErrSyntax}, | 
|  | } | 
|  |  | 
|  | type parseInt64Test struct { | 
|  | in  string | 
|  | out int64 | 
|  | err error | 
|  | } | 
|  |  | 
|  | var parseInt64Tests = []parseInt64Test{ | 
|  | {"", 0, ErrSyntax}, | 
|  | {"0", 0, nil}, | 
|  | {"-0", 0, nil}, | 
|  | {"+0", 0, nil}, | 
|  | {"1", 1, 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}, | 
|  | {"-1_2_3_4_5", 0, ErrSyntax}, // base=10 so no underscores allowed | 
|  | {"-_12345", 0, ErrSyntax}, | 
|  | {"_12345", 0, ErrSyntax}, | 
|  | {"1__2345", 0, ErrSyntax}, | 
|  | {"12345_", 0, ErrSyntax}, | 
|  | {"123%45", 0, ErrSyntax}, | 
|  | } | 
|  |  | 
|  | type parseInt64BaseTest struct { | 
|  | in   string | 
|  | base int | 
|  | out  int64 | 
|  | err  error | 
|  | } | 
|  |  | 
|  | var parseInt64BaseTests = []parseInt64BaseTest{ | 
|  | {"", 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}, | 
|  |  | 
|  | // underscores | 
|  | {"-0x_1_2_3_4_5", 0, -0x12345, nil}, | 
|  | {"0x_1_2_3_4_5", 0, 0x12345, nil}, | 
|  | {"-_0x12345", 0, 0, ErrSyntax}, | 
|  | {"_-0x12345", 0, 0, ErrSyntax}, | 
|  | {"_0x12345", 0, 0, ErrSyntax}, | 
|  | {"0x__12345", 0, 0, ErrSyntax}, | 
|  | {"0x1__2345", 0, 0, ErrSyntax}, | 
|  | {"0x1234__5", 0, 0, ErrSyntax}, | 
|  | {"0x12345_", 0, 0, ErrSyntax}, | 
|  |  | 
|  | {"-0_1_2_3_4_5", 0, -012345, nil}, // octal | 
|  | {"0_1_2_3_4_5", 0, 012345, nil},   // octal | 
|  | {"-_012345", 0, 0, ErrSyntax}, | 
|  | {"_-012345", 0, 0, ErrSyntax}, | 
|  | {"_012345", 0, 0, ErrSyntax}, | 
|  | {"0__12345", 0, 0, ErrSyntax}, | 
|  | {"01234__5", 0, 0, ErrSyntax}, | 
|  | {"012345_", 0, 0, ErrSyntax}, | 
|  |  | 
|  | {"+0xf", 0, 0xf, nil}, | 
|  | {"-0xf", 0, -0xf, nil}, | 
|  | {"0x+f", 0, 0, ErrSyntax}, | 
|  | {"0x-f", 0, 0, ErrSyntax}, | 
|  | } | 
|  |  | 
|  | type parseUint32Test struct { | 
|  | in  string | 
|  | out uint32 | 
|  | err error | 
|  | } | 
|  |  | 
|  | var parseUint32Tests = []parseUint32Test{ | 
|  | {"", 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}, | 
|  | {"1_2_3_4_5", 0, ErrSyntax}, // base=10 so no underscores allowed | 
|  | {"_12345", 0, ErrSyntax}, | 
|  | {"_12345", 0, ErrSyntax}, | 
|  | {"1__2345", 0, ErrSyntax}, | 
|  | {"12345_", 0, ErrSyntax}, | 
|  | } | 
|  |  | 
|  | type parseInt32Test struct { | 
|  | in  string | 
|  | out int32 | 
|  | err error | 
|  | } | 
|  |  | 
|  | var parseInt32Tests = []parseInt32Test{ | 
|  | {"", 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}, | 
|  | {"-1_2_3_4_5", 0, ErrSyntax}, // base=10 so no underscores allowed | 
|  | {"-_12345", 0, ErrSyntax}, | 
|  | {"_12345", 0, ErrSyntax}, | 
|  | {"1__2345", 0, ErrSyntax}, | 
|  | {"12345_", 0, ErrSyntax}, | 
|  | {"123%45", 0, ErrSyntax}, | 
|  | } | 
|  |  | 
|  | 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 parse routines return NumErrors wrapping | 
|  | // the error and the string. Convert the tables above. | 
|  | for i := range parseUint64Tests { | 
|  | test := &parseUint64Tests[i] | 
|  | if test.err != nil { | 
|  | test.err = &NumError{"ParseUint", test.in, test.err} | 
|  | } | 
|  | } | 
|  | for i := range parseUint64BaseTests { | 
|  | test := &parseUint64BaseTests[i] | 
|  | if test.err != nil { | 
|  | test.err = &NumError{"ParseUint", test.in, test.err} | 
|  | } | 
|  | } | 
|  | for i := range parseInt64Tests { | 
|  | test := &parseInt64Tests[i] | 
|  | if test.err != nil { | 
|  | test.err = &NumError{"ParseInt", test.in, test.err} | 
|  | } | 
|  | } | 
|  | for i := range parseInt64BaseTests { | 
|  | test := &parseInt64BaseTests[i] | 
|  | if test.err != nil { | 
|  | test.err = &NumError{"ParseInt", test.in, test.err} | 
|  | } | 
|  | } | 
|  | for i := range parseUint32Tests { | 
|  | test := &parseUint32Tests[i] | 
|  | if test.err != nil { | 
|  | test.err = &NumError{"ParseUint", test.in, test.err} | 
|  | } | 
|  | } | 
|  | for i := range parseInt32Tests { | 
|  | test := &parseInt32Tests[i] | 
|  | if test.err != nil { | 
|  | test.err = &NumError{"ParseInt", test.in, test.err} | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | func TestParseUint32(t *testing.T) { | 
|  | for i := range parseUint32Tests { | 
|  | test := &parseUint32Tests[i] | 
|  | out, err := ParseUint(test.in, 10, 32) | 
|  | if uint64(test.out) != out || !reflect.DeepEqual(test.err, err) { | 
|  | t.Errorf("ParseUint(%q, 10, 32) = %v, %v want %v, %v", | 
|  | test.in, out, err, test.out, test.err) | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | func TestParseUint64(t *testing.T) { | 
|  | for i := range parseUint64Tests { | 
|  | test := &parseUint64Tests[i] | 
|  | out, err := ParseUint(test.in, 10, 64) | 
|  | if test.out != out || !reflect.DeepEqual(test.err, err) { | 
|  | t.Errorf("ParseUint(%q, 10, 64) = %v, %v want %v, %v", | 
|  | test.in, out, err, test.out, test.err) | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | func TestParseUint64Base(t *testing.T) { | 
|  | for i := range parseUint64BaseTests { | 
|  | test := &parseUint64BaseTests[i] | 
|  | out, err := ParseUint(test.in, test.base, 64) | 
|  | if test.out != out || !reflect.DeepEqual(test.err, err) { | 
|  | t.Errorf("ParseUint(%q, %v, 64) = %v, %v want %v, %v", | 
|  | test.in, test.base, out, err, test.out, test.err) | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | func TestParseInt32(t *testing.T) { | 
|  | for i := range parseInt32Tests { | 
|  | test := &parseInt32Tests[i] | 
|  | out, err := ParseInt(test.in, 10, 32) | 
|  | if int64(test.out) != out || !reflect.DeepEqual(test.err, err) { | 
|  | t.Errorf("ParseInt(%q, 10 ,32) = %v, %v want %v, %v", | 
|  | test.in, out, err, test.out, test.err) | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | func TestParseInt64(t *testing.T) { | 
|  | for i := range parseInt64Tests { | 
|  | test := &parseInt64Tests[i] | 
|  | out, err := ParseInt(test.in, 10, 64) | 
|  | if test.out != out || !reflect.DeepEqual(test.err, err) { | 
|  | t.Errorf("ParseInt(%q, 10, 64) = %v, %v want %v, %v", | 
|  | test.in, out, err, test.out, test.err) | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | func TestParseInt64Base(t *testing.T) { | 
|  | for i := range parseInt64BaseTests { | 
|  | test := &parseInt64BaseTests[i] | 
|  | out, err := ParseInt(test.in, test.base, 64) | 
|  | if test.out != out || !reflect.DeepEqual(test.err, err) { | 
|  | t.Errorf("ParseInt(%q, %v, 64) = %v, %v want %v, %v", | 
|  | test.in, test.base, out, err, test.out, test.err) | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | func TestParseUint(t *testing.T) { | 
|  | switch IntSize { | 
|  | case 32: | 
|  | for i := range parseUint32Tests { | 
|  | test := &parseUint32Tests[i] | 
|  | out, err := ParseUint(test.in, 10, 0) | 
|  | if uint64(test.out) != out || !reflect.DeepEqual(test.err, err) { | 
|  | t.Errorf("ParseUint(%q, 10, 0) = %v, %v want %v, %v", | 
|  | test.in, out, err, test.out, test.err) | 
|  | } | 
|  | } | 
|  | case 64: | 
|  | for i := range parseUint64Tests { | 
|  | test := &parseUint64Tests[i] | 
|  | out, err := ParseUint(test.in, 10, 0) | 
|  | if test.out != out || !reflect.DeepEqual(test.err, err) { | 
|  | t.Errorf("ParseUint(%q, 10, 0) = %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 parseInt32Tests { | 
|  | test := &parseInt32Tests[i] | 
|  | out, err := ParseInt(test.in, 10, 0) | 
|  | if int64(test.out) != out || !reflect.DeepEqual(test.err, err) { | 
|  | t.Errorf("ParseInt(%q, 10, 0) = %v, %v want %v, %v", | 
|  | test.in, out, err, test.out, test.err) | 
|  | } | 
|  | } | 
|  | case 64: | 
|  | for i := range parseInt64Tests { | 
|  | test := &parseInt64Tests[i] | 
|  | out, err := ParseInt(test.in, 10, 0) | 
|  | if test.out != out || !reflect.DeepEqual(test.err, err) { | 
|  | t.Errorf("ParseInt(%q, 10, 0) = %v, %v want %v, %v", | 
|  | test.in, out, err, test.out, test.err) | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | func TestAtoi(t *testing.T) { | 
|  | switch IntSize { | 
|  | case 32: | 
|  | for i := range parseInt32Tests { | 
|  | test := &parseInt32Tests[i] | 
|  | out, err := Atoi(test.in) | 
|  | var testErr error | 
|  | if test.err != nil { | 
|  | testErr = &NumError{"Atoi", test.in, test.err.(*NumError).Err} | 
|  | } | 
|  | if int(test.out) != out || !reflect.DeepEqual(testErr, err) { | 
|  | t.Errorf("Atoi(%q) = %v, %v want %v, %v", | 
|  | test.in, out, err, test.out, testErr) | 
|  | } | 
|  | } | 
|  | case 64: | 
|  | for i := range parseInt64Tests { | 
|  | test := &parseInt64Tests[i] | 
|  | out, err := Atoi(test.in) | 
|  | var testErr error | 
|  | if test.err != nil { | 
|  | testErr = &NumError{"Atoi", test.in, test.err.(*NumError).Err} | 
|  | } | 
|  | if test.out != int64(out) || !reflect.DeepEqual(testErr, err) { | 
|  | t.Errorf("Atoi(%q) = %v, %v want %v, %v", | 
|  | test.in, out, err, test.out, testErr) | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | func bitSizeErrStub(name string, bitSize int) error { | 
|  | return BitSizeError(name, "0", bitSize) | 
|  | } | 
|  |  | 
|  | func baseErrStub(name string, base int) error { | 
|  | return BaseError(name, "0", base) | 
|  | } | 
|  |  | 
|  | func noErrStub(name string, arg int) error { | 
|  | return nil | 
|  | } | 
|  |  | 
|  | type parseErrorTest struct { | 
|  | arg     int | 
|  | errStub func(name string, arg int) error | 
|  | } | 
|  |  | 
|  | var parseBitSizeTests = []parseErrorTest{ | 
|  | {-1, bitSizeErrStub}, | 
|  | {0, noErrStub}, | 
|  | {64, noErrStub}, | 
|  | {65, bitSizeErrStub}, | 
|  | } | 
|  |  | 
|  | var parseBaseTests = []parseErrorTest{ | 
|  | {-1, baseErrStub}, | 
|  | {0, noErrStub}, | 
|  | {1, baseErrStub}, | 
|  | {2, noErrStub}, | 
|  | {36, noErrStub}, | 
|  | {37, baseErrStub}, | 
|  | } | 
|  |  | 
|  | func equalError(a, b error) bool { | 
|  | if a == nil { | 
|  | return b == nil | 
|  | } | 
|  | if b == nil { | 
|  | return a == nil | 
|  | } | 
|  | return a.Error() == b.Error() | 
|  | } | 
|  |  | 
|  | func TestParseIntBitSize(t *testing.T) { | 
|  | for i := range parseBitSizeTests { | 
|  | test := &parseBitSizeTests[i] | 
|  | testErr := test.errStub("ParseInt", test.arg) | 
|  | _, err := ParseInt("0", 0, test.arg) | 
|  | if !equalError(testErr, err) { | 
|  | t.Errorf("ParseInt(\"0\", 0, %v) = 0, %v want 0, %v", | 
|  | test.arg, err, testErr) | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | func TestParseUintBitSize(t *testing.T) { | 
|  | for i := range parseBitSizeTests { | 
|  | test := &parseBitSizeTests[i] | 
|  | testErr := test.errStub("ParseUint", test.arg) | 
|  | _, err := ParseUint("0", 0, test.arg) | 
|  | if !equalError(testErr, err) { | 
|  | t.Errorf("ParseUint(\"0\", 0, %v) = 0, %v want 0, %v", | 
|  | test.arg, err, testErr) | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | func TestParseIntBase(t *testing.T) { | 
|  | for i := range parseBaseTests { | 
|  | test := &parseBaseTests[i] | 
|  | testErr := test.errStub("ParseInt", test.arg) | 
|  | _, err := ParseInt("0", test.arg, 0) | 
|  | if !equalError(testErr, err) { | 
|  | t.Errorf("ParseInt(\"0\", %v, 0) = 0, %v want 0, %v", | 
|  | test.arg, err, testErr) | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | func TestParseUintBase(t *testing.T) { | 
|  | for i := range parseBaseTests { | 
|  | test := &parseBaseTests[i] | 
|  | testErr := test.errStub("ParseUint", test.arg) | 
|  | _, err := ParseUint("0", test.arg, 0) | 
|  | if !equalError(testErr, err) { | 
|  | t.Errorf("ParseUint(\"0\", %v, 0) = 0, %v want 0, %v", | 
|  | test.arg, err, testErr) | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | 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 TestNumErrorUnwrap(t *testing.T) { | 
|  | err := &NumError{Err: ErrSyntax} | 
|  | if !errors.Is(err, ErrSyntax) { | 
|  | t.Error("errors.Is failed, wanted success") | 
|  | } | 
|  | } | 
|  |  | 
|  | func BenchmarkParseInt(b *testing.B) { | 
|  | b.Run("Pos", func(b *testing.B) { | 
|  | benchmarkParseInt(b, 1) | 
|  | }) | 
|  | b.Run("Neg", func(b *testing.B) { | 
|  | benchmarkParseInt(b, -1) | 
|  | }) | 
|  | } | 
|  |  | 
|  | type benchCase struct { | 
|  | name string | 
|  | num  int64 | 
|  | } | 
|  |  | 
|  | func benchmarkParseInt(b *testing.B, neg int) { | 
|  | cases := []benchCase{ | 
|  | {"7bit", 1<<7 - 1}, | 
|  | {"26bit", 1<<26 - 1}, | 
|  | {"31bit", 1<<31 - 1}, | 
|  | {"56bit", 1<<56 - 1}, | 
|  | {"63bit", 1<<63 - 1}, | 
|  | } | 
|  | for _, cs := range cases { | 
|  | b.Run(cs.name, func(b *testing.B) { | 
|  | s := fmt.Sprintf("%d", cs.num*int64(neg)) | 
|  | for i := 0; i < b.N; i++ { | 
|  | out, _ := ParseInt(s, 10, 64) | 
|  | BenchSink += int(out) | 
|  | } | 
|  | }) | 
|  | } | 
|  | } | 
|  |  | 
|  | func BenchmarkAtoi(b *testing.B) { | 
|  | b.Run("Pos", func(b *testing.B) { | 
|  | benchmarkAtoi(b, 1) | 
|  | }) | 
|  | b.Run("Neg", func(b *testing.B) { | 
|  | benchmarkAtoi(b, -1) | 
|  | }) | 
|  | } | 
|  |  | 
|  | func benchmarkAtoi(b *testing.B, neg int) { | 
|  | cases := []benchCase{ | 
|  | {"7bit", 1<<7 - 1}, | 
|  | {"26bit", 1<<26 - 1}, | 
|  | {"31bit", 1<<31 - 1}, | 
|  | } | 
|  | if IntSize == 64 { | 
|  | cases = append(cases, []benchCase{ | 
|  | {"56bit", 1<<56 - 1}, | 
|  | {"63bit", 1<<63 - 1}, | 
|  | }...) | 
|  | } | 
|  | for _, cs := range cases { | 
|  | b.Run(cs.name, func(b *testing.B) { | 
|  | s := fmt.Sprintf("%d", cs.num*int64(neg)) | 
|  | for i := 0; i < b.N; i++ { | 
|  | out, _ := Atoi(s) | 
|  | BenchSink += out | 
|  | } | 
|  | }) | 
|  | } | 
|  | } |