mirror of
https://github.com/golang/go
synced 2024-11-23 09:20:05 -07:00
fc0dc04095
Very few of the compiler regression tests include a comment saying waht they do. Many are obvious, some are anything but. I've started with a-c in the top directory. More will follow once we agree on the approach, correctness, and thoroughness here. zerodivide.go sneaked in too. R=rsc, r CC=golang-dev https://golang.org/cl/5656100
100 lines
3.4 KiB
Go
100 lines
3.4 KiB
Go
// errorcheck
|
|
|
|
// Copyright 2011 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.
|
|
|
|
// Verify that illegal conversions involving strings are detected.
|
|
// Does not compile.
|
|
|
|
package main
|
|
|
|
type Tbyte []byte
|
|
type Trune []rune
|
|
type Tint64 []int64
|
|
type Tstring string
|
|
|
|
func main() {
|
|
s := "hello"
|
|
sb := []byte("hello")
|
|
sr := []rune("hello")
|
|
si := []int64{'h', 'e', 'l', 'l', 'o'}
|
|
|
|
ts := Tstring(s)
|
|
tsb := Tbyte(sb)
|
|
tsr := Trune(sr)
|
|
tsi := Tint64(si)
|
|
|
|
_ = string(s)
|
|
_ = []byte(s)
|
|
_ = []rune(s)
|
|
_ = []int64(s) // ERROR "cannot convert.*\[\]int64|invalid type conversion"
|
|
_ = Tstring(s)
|
|
_ = Tbyte(s)
|
|
_ = Trune(s)
|
|
_ = Tint64(s) // ERROR "cannot convert.*Tint64|invalid type conversion"
|
|
|
|
_ = string(sb)
|
|
_ = []byte(sb)
|
|
_ = []rune(sb) // ERROR "cannot convert.*\[\]rune|invalid type conversion"
|
|
_ = []int64(sb) // ERROR "cannot convert.*\[\]int64|invalid type conversion"
|
|
_ = Tstring(sb)
|
|
_ = Tbyte(sb)
|
|
_ = Trune(sb) // ERROR "cannot convert.*Trune|invalid type conversion"
|
|
_ = Tint64(sb) // ERROR "cannot convert.*Tint64|invalid type conversion"
|
|
|
|
_ = string(sr)
|
|
_ = []byte(sr) // ERROR "cannot convert.*\[\]byte|invalid type conversion"
|
|
_ = []rune(sr)
|
|
_ = []int64(sr) // ERROR "cannot convert.*\[\]int64|invalid type conversion"
|
|
_ = Tstring(sr)
|
|
_ = Tbyte(sr) // ERROR "cannot convert.*Tbyte|invalid type conversion"
|
|
_ = Trune(sr)
|
|
_ = Tint64(sr) // ERROR "cannot convert.*Tint64|invalid type conversion"
|
|
|
|
_ = string(si) // ERROR "cannot convert.* string|invalid type conversion"
|
|
_ = []byte(si) // ERROR "cannot convert.*\[\]byte|invalid type conversion"
|
|
_ = []rune(si) // ERROR "cannot convert.*\[\]rune|invalid type conversion"
|
|
_ = []int64(si)
|
|
_ = Tstring(si) // ERROR "cannot convert.*Tstring|invalid type conversion"
|
|
_ = Tbyte(si) // ERROR "cannot convert.*Tbyte|invalid type conversion"
|
|
_ = Trune(si) // ERROR "cannot convert.*Trune|invalid type conversion"
|
|
_ = Tint64(si)
|
|
|
|
_ = string(ts)
|
|
_ = []byte(ts)
|
|
_ = []rune(ts)
|
|
_ = []int64(ts) // ERROR "cannot convert.*\[\]int64|invalid type conversion"
|
|
_ = Tstring(ts)
|
|
_ = Tbyte(ts)
|
|
_ = Trune(ts)
|
|
_ = Tint64(ts) // ERROR "cannot convert.*Tint64|invalid type conversion"
|
|
|
|
_ = string(tsb)
|
|
_ = []byte(tsb)
|
|
_ = []rune(tsb) // ERROR "cannot convert.*\[\]rune|invalid type conversion"
|
|
_ = []int64(tsb) // ERROR "cannot convert.*\[\]int64|invalid type conversion"
|
|
_ = Tstring(tsb)
|
|
_ = Tbyte(tsb)
|
|
_ = Trune(tsb) // ERROR "cannot convert.*Trune|invalid type conversion"
|
|
_ = Tint64(tsb) // ERROR "cannot convert.*Tint64|invalid type conversion"
|
|
|
|
_ = string(tsr)
|
|
_ = []byte(tsr) // ERROR "cannot convert.*\[\]byte|invalid type conversion"
|
|
_ = []rune(tsr)
|
|
_ = []int64(tsr) // ERROR "cannot convert.*\[\]int64|invalid type conversion"
|
|
_ = Tstring(tsr)
|
|
_ = Tbyte(tsr) // ERROR "cannot convert.*Tbyte|invalid type conversion"
|
|
_ = Trune(tsr)
|
|
_ = Tint64(tsr) // ERROR "cannot convert.*Tint64|invalid type conversion"
|
|
|
|
_ = string(tsi) // ERROR "cannot convert.* string|invalid type conversion"
|
|
_ = []byte(tsi) // ERROR "cannot convert.*\[\]byte|invalid type conversion"
|
|
_ = []rune(tsi) // ERROR "cannot convert.*\[\]rune|invalid type conversion"
|
|
_ = []int64(tsi)
|
|
_ = Tstring(tsi) // ERROR "cannot convert.*Tstring|invalid type conversion"
|
|
_ = Tbyte(tsi) // ERROR "cannot convert.*Tbyte|invalid type conversion"
|
|
_ = Trune(tsi) // ERROR "cannot convert.*Trune|invalid type conversion"
|
|
_ = Tint64(tsi)
|
|
}
|