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// 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.
package main
func init() {
addTestCases(errorTests, errorFn)
}
var errorTests = []testCase{
{
Name: "error.0",
In: `package main
func error() {}
var error int
`,
Out: `package main
func error() {}
var error int
`,
},
{
Name: "error.1",
In: `package main
import "os"
func f() os.Error {
return os.EOF
}
func error() {}
var error int
func g() {
error := 1
_ = error
}
func h(os.Error) {}
func i(...os.Error) {}
`,
Out: `package main
import "io"
func f() error {
return io.EOF
}
func error_() {}
var error_ int
func g() {
error := 1
_ = error
}
func h(error) {}
func i(...error) {}
`,
},
{
Name: "error.2",
In: `package main
import "os"
func f() os.Error {
return os.EOF
}
func g() string {
// these all convert because f is known
if err := f(); err != nil {
return err.String()
}
if err1 := f(); err1 != nil {
return err1.String()
}
if e := f(); e != nil {
return e.String()
}
if x := f(); x != nil {
return x.String()
}
// only the error names (err, err1, e) convert; u is not known
if err := u(); err != nil {
return err.String()
}
if err1 := u(); err1 != nil {
return err1.String()
}
if e := u(); e != nil {
return e.String()
}
if x := u(); x != nil {
return x.String()
}
return ""
}
type T int
func (t T) String() string { return "t" }
type PT int
func (p *PT) String() string { return "pt" }
type MyError int
func (t MyError) String() string { return "myerror" }
type PMyError int
func (p *PMyError) String() string { return "pmyerror" }
func error() {}
var error int
`,
Out: `package main
import "io"
func f() error {
return io.EOF
}
func g() string {
// these all convert because f is known
if err := f(); err != nil {
return err.Error()
}
if err1 := f(); err1 != nil {
return err1.Error()
}
if e := f(); e != nil {
return e.Error()
}
if x := f(); x != nil {
return x.Error()
}
// only the error names (err, err1, e) convert; u is not known
if err := u(); err != nil {
return err.Error()
}
if err1 := u(); err1 != nil {
return err1.Error()
}
if e := u(); e != nil {
return e.Error()
}
if x := u(); x != nil {
return x.String()
}
return ""
}
type T int
func (t T) String() string { return "t" }
type PT int
func (p *PT) String() string { return "pt" }
type MyError int
func (t MyError) Error() string { return "myerror" }
type PMyError int
func (p *PMyError) Error() string { return "pmyerror" }
func error_() {}
var error_ int
`,
},
{
Name: "error.3",
In: `package main
import "os"
func f() os.Error {
return os.EOF
}
type PathError struct {
Name string
Error os.Error
}
func (p *PathError) String() string {
return p.Name + ": " + p.Error.String()
}
func (p *PathError) Error1() string {
p = &PathError{Error: nil}
return fmt.Sprint(p.Name, ": ", p.Error)
}
`,
Out: `package main
import "io"
func f() error {
return io.EOF
}
type PathError struct {
Name string
Err error
}
func (p *PathError) Error() string {
return p.Name + ": " + p.Err.Error()
}
func (p *PathError) Error1() string {
p = &PathError{Err: nil}
return fmt.Sprint(p.Name, ": ", p.Err)
}
`,
},
}
|
