mirror of
https://github.com/golang/go
synced 2024-11-23 15:20:03 -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
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// Copyright 2011 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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// Verify that illegal conversions involving strings are detected.
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// Does not compile.
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package main
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type Tbyte []byte
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type Trune []rune
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type Tint64 []int64
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type Tstring string
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func main() {
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s := "hello"
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sb := []byte("hello")
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sr := []rune("hello")
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si := []int64{'h', 'e', 'l', 'l', 'o'}
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ts := Tstring(s)
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tsb := Tbyte(sb)
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tsr := Trune(sr)
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tsi := Tint64(si)
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_ = string(s)
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_ = []byte(s)
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_ = []rune(s)
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_ = []int64(s) // ERROR "cannot convert.*\[\]int64|invalid type conversion"
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_ = Tstring(s)
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_ = Tbyte(s)
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_ = Trune(s)
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_ = Tint64(s) // ERROR "cannot convert.*Tint64|invalid type conversion"
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_ = string(sb)
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_ = []byte(sb)
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_ = []rune(sb) // ERROR "cannot convert.*\[\]rune|invalid type conversion"
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_ = []int64(sb) // ERROR "cannot convert.*\[\]int64|invalid type conversion"
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_ = Tstring(sb)
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_ = Tbyte(sb)
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_ = Trune(sb) // ERROR "cannot convert.*Trune|invalid type conversion"
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_ = Tint64(sb) // ERROR "cannot convert.*Tint64|invalid type conversion"
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_ = string(sr)
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_ = []byte(sr) // ERROR "cannot convert.*\[\]byte|invalid type conversion"
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_ = []rune(sr)
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_ = []int64(sr) // ERROR "cannot convert.*\[\]int64|invalid type conversion"
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_ = Tstring(sr)
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_ = Tbyte(sr) // ERROR "cannot convert.*Tbyte|invalid type conversion"
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_ = Trune(sr)
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_ = Tint64(sr) // ERROR "cannot convert.*Tint64|invalid type conversion"
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_ = string(si) // ERROR "cannot convert.* string|invalid type conversion"
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_ = []byte(si) // ERROR "cannot convert.*\[\]byte|invalid type conversion"
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_ = []rune(si) // ERROR "cannot convert.*\[\]rune|invalid type conversion"
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_ = []int64(si)
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_ = Tstring(si) // ERROR "cannot convert.*Tstring|invalid type conversion"
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_ = Tbyte(si) // ERROR "cannot convert.*Tbyte|invalid type conversion"
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_ = Trune(si) // ERROR "cannot convert.*Trune|invalid type conversion"
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_ = Tint64(si)
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_ = string(ts)
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_ = []byte(ts)
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_ = []rune(ts)
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_ = []int64(ts) // ERROR "cannot convert.*\[\]int64|invalid type conversion"
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_ = Tstring(ts)
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_ = Tbyte(ts)
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_ = Trune(ts)
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_ = Tint64(ts) // ERROR "cannot convert.*Tint64|invalid type conversion"
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_ = string(tsb)
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_ = []byte(tsb)
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_ = []rune(tsb) // ERROR "cannot convert.*\[\]rune|invalid type conversion"
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_ = []int64(tsb) // ERROR "cannot convert.*\[\]int64|invalid type conversion"
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_ = Tstring(tsb)
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_ = Tbyte(tsb)
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_ = Trune(tsb) // ERROR "cannot convert.*Trune|invalid type conversion"
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_ = Tint64(tsb) // ERROR "cannot convert.*Tint64|invalid type conversion"
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_ = string(tsr)
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_ = []byte(tsr) // ERROR "cannot convert.*\[\]byte|invalid type conversion"
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_ = []rune(tsr)
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_ = []int64(tsr) // ERROR "cannot convert.*\[\]int64|invalid type conversion"
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_ = Tstring(tsr)
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_ = Tbyte(tsr) // ERROR "cannot convert.*Tbyte|invalid type conversion"
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_ = Trune(tsr)
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_ = Tint64(tsr) // ERROR "cannot convert.*Tint64|invalid type conversion"
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_ = string(tsi) // ERROR "cannot convert.* string|invalid type conversion"
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_ = []byte(tsi) // ERROR "cannot convert.*\[\]byte|invalid type conversion"
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_ = []rune(tsi) // ERROR "cannot convert.*\[\]rune|invalid type conversion"
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_ = []int64(tsi)
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_ = Tstring(tsi) // ERROR "cannot convert.*Tstring|invalid type conversion"
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_ = Tbyte(tsi) // ERROR "cannot convert.*Tbyte|invalid type conversion"
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_ = Trune(tsi) // ERROR "cannot convert.*Trune|invalid type conversion"
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_ = Tint64(tsi)
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}
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