mirror of
https://github.com/autc04/Retro68.git
synced 2024-12-02 03:50:17 +00:00
547 lines
14 KiB
Go
547 lines
14 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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"fmt"
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"reflect"
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. "strconv"
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"testing"
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)
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type parseUint64Test 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 parseUint64Tests = []parseUint64Test{
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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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type parseUint64BaseTest struct {
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in string
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base int
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out uint64
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err error
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}
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var parseUint64BaseTests = []parseUint64BaseTest{
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{"", 0, 0, ErrSyntax},
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{"0", 0, 0, nil},
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{"0x", 0, 0, ErrSyntax},
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{"0X", 0, 0, ErrSyntax},
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{"1", 0, 1, nil},
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{"12345", 0, 12345, 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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{"0xabcdefg123", 0, 0, ErrSyntax},
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{"123456789abc", 0, 0, ErrSyntax},
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{"98765432100", 0, 98765432100, nil},
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{"18446744073709551615", 0, 1<<64 - 1, nil},
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{"18446744073709551616", 0, 1<<64 - 1, ErrRange},
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{"18446744073709551620", 0, 1<<64 - 1, ErrRange},
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{"0xFFFFFFFFFFFFFFFF", 0, 1<<64 - 1, nil},
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{"0x10000000000000000", 0, 1<<64 - 1, ErrRange},
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{"01777777777777777777777", 0, 1<<64 - 1, nil},
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{"01777777777777777777778", 0, 0, ErrSyntax},
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{"02000000000000000000000", 0, 1<<64 - 1, ErrRange},
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{"0200000000000000000000", 0, 1 << 61, nil},
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}
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type parseInt64Test 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 parseInt64Tests = []parseInt64Test{
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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 parseInt64BaseTest 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 parseInt64BaseTests = []parseInt64BaseTest{
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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 parseUint32Test 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 parseUint32Tests = []parseUint32Test{
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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 parseInt32Test 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 parseInt32Tests = []parseInt32Test{
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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 parse routines return NumErrors wrapping
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// the error and the string. Convert the tables above.
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for i := range parseUint64Tests {
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test := &parseUint64Tests[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 parseUint64BaseTests {
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test := &parseUint64BaseTests[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 parseInt64Tests {
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test := &parseInt64Tests[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 parseInt64BaseTests {
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test := &parseInt64BaseTests[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 parseUint32Tests {
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test := &parseUint32Tests[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 parseInt32Tests {
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test := &parseInt32Tests[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 TestParseUint32(t *testing.T) {
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for i := range parseUint32Tests {
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test := &parseUint32Tests[i]
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out, err := ParseUint(test.in, 10, 32)
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if uint64(test.out) != out || !reflect.DeepEqual(test.err, err) {
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t.Errorf("ParseUint(%q, 10, 32) = %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 TestParseUint64(t *testing.T) {
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for i := range parseUint64Tests {
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test := &parseUint64Tests[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("ParseUint(%q, 10, 64) = %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 parseUint64BaseTests {
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test := &parseUint64BaseTests[i]
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out, err := ParseUint(test.in, test.base, 64)
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if test.out != out || !reflect.DeepEqual(test.err, err) {
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t.Errorf("ParseUint(%q, %v, 64) = %v, %v want %v, %v",
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test.in, test.base, out, err, test.out, test.err)
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}
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}
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}
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func TestParseInt32(t *testing.T) {
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for i := range parseInt32Tests {
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test := &parseInt32Tests[i]
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out, err := ParseInt(test.in, 10, 32)
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if int64(test.out) != out || !reflect.DeepEqual(test.err, err) {
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t.Errorf("ParseInt(%q, 10 ,32) = %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 parseInt64Tests {
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test := &parseInt64Tests[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("ParseInt(%q, 10, 64) = %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 parseInt64BaseTests {
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test := &parseInt64BaseTests[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, 64) = %v, %v want %v, %v",
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test.in, test.base, 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 parseUint32Tests {
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test := &parseUint32Tests[i]
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out, err := ParseUint(test.in, 10, 0)
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if uint64(test.out) != out || !reflect.DeepEqual(test.err, err) {
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t.Errorf("ParseUint(%q, 10, 0) = %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 parseUint64Tests {
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test := &parseUint64Tests[i]
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out, err := ParseUint(test.in, 10, 0)
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if test.out != out || !reflect.DeepEqual(test.err, err) {
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t.Errorf("ParseUint(%q, 10, 0) = %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 parseInt32Tests {
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test := &parseInt32Tests[i]
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out, err := ParseInt(test.in, 10, 0)
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if int64(test.out) != out || !reflect.DeepEqual(test.err, err) {
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t.Errorf("ParseInt(%q, 10, 0) = %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 parseInt64Tests {
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test := &parseInt64Tests[i]
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out, err := ParseInt(test.in, 10, 0)
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if test.out != out || !reflect.DeepEqual(test.err, err) {
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t.Errorf("ParseInt(%q, 10, 0) = %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 TestAtoi(t *testing.T) {
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switch IntSize {
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case 32:
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for i := range parseInt32Tests {
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test := &parseInt32Tests[i]
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out, err := Atoi(test.in)
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var testErr error
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if test.err != nil {
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testErr = &NumError{"Atoi", test.in, test.err.(*NumError).Err}
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}
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if int(test.out) != out || !reflect.DeepEqual(testErr, err) {
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t.Errorf("Atoi(%q) = %v, %v want %v, %v",
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test.in, out, err, test.out, testErr)
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}
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}
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case 64:
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for i := range parseInt64Tests {
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test := &parseInt64Tests[i]
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out, err := Atoi(test.in)
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var testErr error
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if test.err != nil {
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testErr = &NumError{"Atoi", test.in, test.err.(*NumError).Err}
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}
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if test.out != int64(out) || !reflect.DeepEqual(testErr, err) {
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t.Errorf("Atoi(%q) = %v, %v want %v, %v",
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test.in, out, err, test.out, testErr)
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}
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}
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}
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}
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func bitSizeErrStub(name string, bitSize int) error {
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return BitSizeError(name, "0", bitSize)
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}
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func baseErrStub(name string, base int) error {
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return BaseError(name, "0", base)
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}
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func noErrStub(name string, arg int) error {
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return nil
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}
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type parseErrorTest struct {
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arg int
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errStub func(name string, arg int) error
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}
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var parseBitSizeTests = []parseErrorTest{
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{-1, bitSizeErrStub},
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{0, noErrStub},
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{64, noErrStub},
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{65, bitSizeErrStub},
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}
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var parseBaseTests = []parseErrorTest{
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{-1, baseErrStub},
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{0, noErrStub},
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{1, baseErrStub},
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{2, noErrStub},
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{36, noErrStub},
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{37, baseErrStub},
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}
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func TestParseIntBitSize(t *testing.T) {
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for i := range parseBitSizeTests {
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test := &parseBitSizeTests[i]
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testErr := test.errStub("ParseInt", test.arg)
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_, err := ParseInt("0", 0, test.arg)
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if !reflect.DeepEqual(testErr, err) {
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t.Errorf("ParseInt(\"0\", 0, %v) = 0, %v want 0, %v",
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test.arg, err, testErr)
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}
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}
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}
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func TestParseUintBitSize(t *testing.T) {
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for i := range parseBitSizeTests {
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test := &parseBitSizeTests[i]
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testErr := test.errStub("ParseUint", test.arg)
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_, err := ParseUint("0", 0, test.arg)
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if !reflect.DeepEqual(testErr, err) {
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t.Errorf("ParseUint(\"0\", 0, %v) = 0, %v want 0, %v",
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test.arg, err, testErr)
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}
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}
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}
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func TestParseIntBase(t *testing.T) {
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for i := range parseBaseTests {
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test := &parseBaseTests[i]
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testErr := test.errStub("ParseInt", test.arg)
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_, err := ParseInt("0", test.arg, 0)
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if !reflect.DeepEqual(testErr, err) {
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t.Errorf("ParseInt(\"0\", %v, 0) = 0, %v want 0, %v",
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test.arg, err, testErr)
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}
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}
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}
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func TestParseUintBase(t *testing.T) {
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for i := range parseBaseTests {
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test := &parseBaseTests[i]
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testErr := test.errStub("ParseUint", test.arg)
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_, err := ParseUint("0", test.arg, 0)
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if !reflect.DeepEqual(testErr, err) {
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t.Errorf("ParseUint(\"0\", %v, 0) = 0, %v want 0, %v",
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test.arg, err, testErr)
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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)
|
|
}
|
|
}
|
|
}
|
|
|
|
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
|
|
}
|
|
})
|
|
}
|
|
}
|