mirror of
https://github.com/autc04/Retro68.git
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364 lines
9.0 KiB
Go
364 lines
9.0 KiB
Go
// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package strconv_test
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import (
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"errors"
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"reflect"
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. "strconv"
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"testing"
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)
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type atoui64Test struct {
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in string
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out uint64
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err error
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}
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var atoui64tests = []atoui64Test{
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{"", 0, ErrSyntax},
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{"0", 0, nil},
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{"1", 1, nil},
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{"12345", 12345, nil},
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{"012345", 12345, nil},
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{"12345x", 0, ErrSyntax},
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{"98765432100", 98765432100, nil},
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{"18446744073709551615", 1<<64 - 1, nil},
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{"18446744073709551616", 1<<64 - 1, ErrRange},
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{"18446744073709551620", 1<<64 - 1, ErrRange},
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}
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var btoui64tests = []atoui64Test{
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{"", 0, ErrSyntax},
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{"0", 0, nil},
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{"0x", 0, ErrSyntax},
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{"0X", 0, ErrSyntax},
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{"1", 1, nil},
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{"12345", 12345, nil},
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{"012345", 012345, nil},
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{"0x12345", 0x12345, nil},
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{"0X12345", 0x12345, nil},
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{"12345x", 0, ErrSyntax},
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{"0xabcdefg123", 0, ErrSyntax},
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{"123456789abc", 0, ErrSyntax},
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{"98765432100", 98765432100, nil},
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{"18446744073709551615", 1<<64 - 1, nil},
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{"18446744073709551616", 1<<64 - 1, ErrRange},
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{"18446744073709551620", 1<<64 - 1, ErrRange},
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{"0xFFFFFFFFFFFFFFFF", 1<<64 - 1, nil},
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{"0x10000000000000000", 1<<64 - 1, ErrRange},
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{"01777777777777777777777", 1<<64 - 1, nil},
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{"01777777777777777777778", 0, ErrSyntax},
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{"02000000000000000000000", 1<<64 - 1, ErrRange},
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{"0200000000000000000000", 1 << 61, nil},
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}
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type atoi64Test struct {
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in string
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out int64
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err error
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}
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var atoi64tests = []atoi64Test{
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{"", 0, ErrSyntax},
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{"0", 0, nil},
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{"-0", 0, nil},
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{"1", 1, nil},
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{"-1", -1, nil},
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{"12345", 12345, nil},
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{"-12345", -12345, nil},
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{"012345", 12345, nil},
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{"-012345", -12345, nil},
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{"98765432100", 98765432100, nil},
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{"-98765432100", -98765432100, nil},
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{"9223372036854775807", 1<<63 - 1, nil},
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{"-9223372036854775807", -(1<<63 - 1), nil},
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{"9223372036854775808", 1<<63 - 1, ErrRange},
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{"-9223372036854775808", -1 << 63, nil},
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{"9223372036854775809", 1<<63 - 1, ErrRange},
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{"-9223372036854775809", -1 << 63, ErrRange},
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}
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type btoi64Test struct {
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in string
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base int
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out int64
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err error
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}
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var btoi64tests = []btoi64Test{
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{"", 0, 0, ErrSyntax},
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{"0", 0, 0, nil},
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{"-0", 0, 0, nil},
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{"1", 0, 1, nil},
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{"-1", 0, -1, nil},
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{"12345", 0, 12345, nil},
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{"-12345", 0, -12345, nil},
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{"012345", 0, 012345, nil},
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{"-012345", 0, -012345, nil},
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{"0x12345", 0, 0x12345, nil},
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{"-0X12345", 0, -0x12345, nil},
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{"12345x", 0, 0, ErrSyntax},
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{"-12345x", 0, 0, ErrSyntax},
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{"98765432100", 0, 98765432100, nil},
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{"-98765432100", 0, -98765432100, nil},
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{"9223372036854775807", 0, 1<<63 - 1, nil},
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{"-9223372036854775807", 0, -(1<<63 - 1), nil},
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{"9223372036854775808", 0, 1<<63 - 1, ErrRange},
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{"-9223372036854775808", 0, -1 << 63, nil},
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{"9223372036854775809", 0, 1<<63 - 1, ErrRange},
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{"-9223372036854775809", 0, -1 << 63, ErrRange},
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// other bases
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{"g", 17, 16, nil},
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{"10", 25, 25, nil},
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{"holycow", 35, (((((17*35+24)*35+21)*35+34)*35+12)*35+24)*35 + 32, nil},
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{"holycow", 36, (((((17*36+24)*36+21)*36+34)*36+12)*36+24)*36 + 32, nil},
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// base 2
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{"0", 2, 0, nil},
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{"-1", 2, -1, nil},
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{"1010", 2, 10, nil},
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{"1000000000000000", 2, 1 << 15, nil},
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{"111111111111111111111111111111111111111111111111111111111111111", 2, 1<<63 - 1, nil},
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{"1000000000000000000000000000000000000000000000000000000000000000", 2, 1<<63 - 1, ErrRange},
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{"-1000000000000000000000000000000000000000000000000000000000000000", 2, -1 << 63, nil},
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{"-1000000000000000000000000000000000000000000000000000000000000001", 2, -1 << 63, ErrRange},
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// base 8
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{"-10", 8, -8, nil},
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{"57635436545", 8, 057635436545, nil},
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{"100000000", 8, 1 << 24, nil},
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// base 16
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{"10", 16, 16, nil},
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{"-123456789abcdef", 16, -0x123456789abcdef, nil},
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{"7fffffffffffffff", 16, 1<<63 - 1, nil},
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}
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type atoui32Test struct {
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in string
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out uint32
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err error
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}
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var atoui32tests = []atoui32Test{
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{"", 0, ErrSyntax},
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{"0", 0, nil},
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{"1", 1, nil},
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{"12345", 12345, nil},
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{"012345", 12345, nil},
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{"12345x", 0, ErrSyntax},
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{"987654321", 987654321, nil},
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{"4294967295", 1<<32 - 1, nil},
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{"4294967296", 1<<32 - 1, ErrRange},
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}
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type atoi32Test struct {
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in string
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out int32
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err error
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}
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var atoi32tests = []atoi32Test{
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{"", 0, ErrSyntax},
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{"0", 0, nil},
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{"-0", 0, nil},
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{"1", 1, nil},
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{"-1", -1, nil},
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{"12345", 12345, nil},
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{"-12345", -12345, nil},
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{"012345", 12345, nil},
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{"-012345", -12345, nil},
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{"12345x", 0, ErrSyntax},
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{"-12345x", 0, ErrSyntax},
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{"987654321", 987654321, nil},
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{"-987654321", -987654321, nil},
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{"2147483647", 1<<31 - 1, nil},
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{"-2147483647", -(1<<31 - 1), nil},
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{"2147483648", 1<<31 - 1, ErrRange},
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{"-2147483648", -1 << 31, nil},
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{"2147483649", 1<<31 - 1, ErrRange},
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{"-2147483649", -1 << 31, ErrRange},
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}
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type numErrorTest struct {
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num, want string
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}
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var numErrorTests = []numErrorTest{
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{"0", `strconv.ParseFloat: parsing "0": failed`},
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{"`", "strconv.ParseFloat: parsing \"`\": failed"},
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{"1\x00.2", `strconv.ParseFloat: parsing "1\x00.2": failed`},
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}
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func init() {
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// The atoi routines return NumErrors wrapping
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// the error and the string. Convert the tables above.
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for i := range atoui64tests {
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test := &atoui64tests[i]
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if test.err != nil {
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test.err = &NumError{"ParseUint", test.in, test.err}
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}
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}
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for i := range btoui64tests {
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test := &btoui64tests[i]
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if test.err != nil {
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test.err = &NumError{"ParseUint", test.in, test.err}
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}
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}
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for i := range atoi64tests {
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test := &atoi64tests[i]
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if test.err != nil {
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test.err = &NumError{"ParseInt", test.in, test.err}
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}
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}
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for i := range btoi64tests {
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test := &btoi64tests[i]
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if test.err != nil {
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test.err = &NumError{"ParseInt", test.in, test.err}
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}
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}
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for i := range atoui32tests {
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test := &atoui32tests[i]
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if test.err != nil {
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test.err = &NumError{"ParseUint", test.in, test.err}
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}
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}
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for i := range atoi32tests {
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test := &atoi32tests[i]
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if test.err != nil {
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test.err = &NumError{"ParseInt", test.in, test.err}
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}
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}
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}
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func TestParseUint64(t *testing.T) {
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for i := range atoui64tests {
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test := &atoui64tests[i]
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out, err := ParseUint(test.in, 10, 64)
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if test.out != out || !reflect.DeepEqual(test.err, err) {
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t.Errorf("Atoui64(%q) = %v, %v want %v, %v",
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test.in, out, err, test.out, test.err)
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}
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}
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}
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func TestParseUint64Base(t *testing.T) {
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for i := range btoui64tests {
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test := &btoui64tests[i]
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out, err := ParseUint(test.in, 0, 64)
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if test.out != out || !reflect.DeepEqual(test.err, err) {
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t.Errorf("ParseUint(%q) = %v, %v want %v, %v",
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test.in, out, err, test.out, test.err)
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}
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}
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}
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func TestParseInt64(t *testing.T) {
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for i := range atoi64tests {
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test := &atoi64tests[i]
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out, err := ParseInt(test.in, 10, 64)
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if test.out != out || !reflect.DeepEqual(test.err, err) {
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t.Errorf("Atoi64(%q) = %v, %v want %v, %v",
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test.in, out, err, test.out, test.err)
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}
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}
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}
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func TestParseInt64Base(t *testing.T) {
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for i := range btoi64tests {
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test := &btoi64tests[i]
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out, err := ParseInt(test.in, test.base, 64)
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if test.out != out || !reflect.DeepEqual(test.err, err) {
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t.Errorf("ParseInt(%q) = %v, %v want %v, %v",
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test.in, out, err, test.out, test.err)
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}
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}
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}
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func TestParseUint(t *testing.T) {
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switch IntSize {
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case 32:
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for i := range atoui32tests {
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test := &atoui32tests[i]
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out, err := ParseUint(test.in, 10, 0)
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if test.out != uint32(out) || !reflect.DeepEqual(test.err, err) {
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t.Errorf("Atoui(%q) = %v, %v want %v, %v",
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test.in, out, err, test.out, test.err)
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}
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}
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case 64:
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for i := range atoui64tests {
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test := &atoui64tests[i]
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out, err := ParseUint(test.in, 10, 0)
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if test.out != uint64(out) || !reflect.DeepEqual(test.err, err) {
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t.Errorf("Atoui(%q) = %v, %v want %v, %v",
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test.in, out, err, test.out, test.err)
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}
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}
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}
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}
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func TestParseInt(t *testing.T) {
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switch IntSize {
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case 32:
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for i := range atoi32tests {
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test := &atoi32tests[i]
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out, err := ParseInt(test.in, 10, 0)
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if test.out != int32(out) || !reflect.DeepEqual(test.err, err) {
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t.Errorf("Atoi(%q) = %v, %v want %v, %v",
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test.in, out, err, test.out, test.err)
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}
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}
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case 64:
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for i := range atoi64tests {
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test := &atoi64tests[i]
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out, err := ParseInt(test.in, 10, 0)
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if test.out != int64(out) || !reflect.DeepEqual(test.err, err) {
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t.Errorf("Atoi(%q) = %v, %v want %v, %v",
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test.in, out, err, test.out, test.err)
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}
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}
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}
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}
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func TestNumError(t *testing.T) {
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for _, test := range numErrorTests {
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err := &NumError{
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Func: "ParseFloat",
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Num: test.num,
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Err: errors.New("failed"),
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}
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if got := err.Error(); got != test.want {
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t.Errorf(`(&NumError{"ParseFloat", %q, "failed"}).Error() = %v, want %v`, test.num, got, test.want)
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}
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}
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}
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func BenchmarkAtoi(b *testing.B) {
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for i := 0; i < b.N; i++ {
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ParseInt("12345678", 10, 0)
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}
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}
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func BenchmarkAtoiNeg(b *testing.B) {
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for i := 0; i < b.N; i++ {
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ParseInt("-12345678", 10, 0)
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}
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}
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func BenchmarkAtoi64(b *testing.B) {
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for i := 0; i < b.N; i++ {
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ParseInt("12345678901234", 10, 64)
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}
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}
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func BenchmarkAtoi64Neg(b *testing.B) {
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for i := 0; i < b.N; i++ {
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ParseInt("-12345678901234", 10, 64)
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}
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}
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