mirror of
https://github.com/golang/go
synced 2024-11-14 08:30:25 -07:00
118 lines
3.3 KiB
Go
118 lines
3.3 KiB
Go
// 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.
|
|
|
|
// $G $F.go && $L $F.$A && ./$A.out
|
|
|
|
package main
|
|
|
|
import strings "strings"
|
|
|
|
func split(s, sep string) *[]string {
|
|
a := strings.split(s, sep);
|
|
b := strings.join(a, sep);
|
|
if b != s {
|
|
print("Split: ", s, " ", sep, " got ", len(a), "\n");
|
|
for i := 0; i < len(a); i++ {
|
|
print(" a[", i, "] = ", a[i], "\n")
|
|
}
|
|
panic("split / join "+s+" "+sep)
|
|
}
|
|
return a
|
|
}
|
|
|
|
func explode(s string) *[]string {
|
|
a := strings.explode(s);
|
|
b := strings.join(a, "");
|
|
if b != s {
|
|
panic("explode / join "+s)
|
|
}
|
|
return a
|
|
}
|
|
|
|
func itoa(i int) string {
|
|
s := strings.itoa(i);
|
|
n, ok := strings.atoi(s);
|
|
if n != i {
|
|
print("itoa: ", i, " ", s, "\n");
|
|
panic("itoa")
|
|
}
|
|
return s
|
|
}
|
|
|
|
func main() {
|
|
abcd := "abcd";
|
|
faces := "☺☻☹";
|
|
commas := "1,2,3,4";
|
|
dots := "1....2....3....4";
|
|
if strings.utflen(abcd) != 4 { panic("utflen abcd") }
|
|
if strings.utflen(faces) != 3 { panic("utflen faces") }
|
|
if strings.utflen(commas) != 7 { panic("utflen commas") }
|
|
{
|
|
a := split(abcd, "a");
|
|
if len(a) != 2 || a[0] != "" || a[1] != "bcd" { panic("split abcd a") }
|
|
}
|
|
{
|
|
a := split(abcd, "z");
|
|
if len(a) != 1 || a[0] != "abcd" { panic("split abcd z") }
|
|
}
|
|
{
|
|
a := split(abcd, "");
|
|
if len(a) != 4 || a[0] != "a" || a[1] != "b" || a[2] != "c" || a[3] != "d" { panic("split abcd empty") }
|
|
}
|
|
{
|
|
a := explode(abcd);
|
|
if len(a) != 4 || a[0] != "a" || a[1] != "b" || a[2] != "c" || a[3] != "d" { panic("explode abcd") }
|
|
}
|
|
{
|
|
a := split(commas, ",");
|
|
if len(a) != 4 || a[0] != "1" || a[1] != "2" || a[2] != "3" || a[3] != "4" { panic("split commas") }
|
|
}
|
|
{
|
|
a := split(dots, "...");
|
|
if len(a) != 4 || a[0] != "1" || a[1] != ".2" || a[2] != ".3" || a[3] != ".4" { panic("split dots") }
|
|
}
|
|
|
|
{
|
|
a := split(faces, "☹");
|
|
if len(a) != 2 || a[0] != "☺☻" || a[1] != "" { panic("split faces 1") }
|
|
}
|
|
{
|
|
a := split(faces, "~");
|
|
if len(a) != 1 || a[0] != faces { panic("split faces ~") }
|
|
}
|
|
{
|
|
a := explode(faces);
|
|
if len(a) != 3 || a[0] != "☺" || a[1] != "☻" || a[2] != "☹" { panic("explode faces") }
|
|
}
|
|
{
|
|
a := split(faces, "");
|
|
if len(a) != 3 || a[0] != "☺" || a[1] != "☻" || a[2] != "☹" { panic("split faces empty") }
|
|
}
|
|
|
|
{
|
|
n, ok := strings.atoi("0"); if n != 0 || !ok { panic("atoi 0") }
|
|
n, ok = strings.atoi("-1"); if n != -1 || !ok { panic("atoi -1") }
|
|
n, ok = strings.atoi("+345"); if n != 345 || !ok { panic("atoi +345") }
|
|
n, ok = strings.atoi("9999"); if n != 9999 || !ok { panic("atoi 9999") }
|
|
n, ok = strings.atoi("20ba"); if n != 0 || ok { panic("atoi 20ba") }
|
|
n, ok = strings.atoi("hello"); if n != 0 || ok { panic("hello") }
|
|
}
|
|
|
|
if strings.ftoa(1e6) != "+1.000000e+06" { panic("ftoa 1e6") }
|
|
if strings.ftoa(-1e-6) != "-1.000000e-06" { panic("ftoa -1e-6") }
|
|
if strings.ftoa(-1.234567e-6) != "-1.234567e-06" { panic("ftoa -1.234567e-6") }
|
|
|
|
if itoa(0) != "0" { panic("itoa 0") }
|
|
if itoa(12345) != "12345" { panic("itoa 12345") }
|
|
if itoa(-1<<31) != "-2147483648" { panic("itoa 1<<31") }
|
|
|
|
// should work if int == int64: is there some way to know?
|
|
// if itoa(-1<<63) != "-9223372036854775808" { panic("itoa 1<<63") }
|
|
|
|
{
|
|
a, ok := strings.atof64("-1.2345e4");
|
|
if !ok || a != -12345. { panic(a, "atof64 -1.2345e4") }
|
|
}
|
|
}
|