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// Copyright 2012 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.
// This file contains tests for the rangeloop checker.
// +build vet_test
package main
func RangeLoopTests() {
var s []int
for i, v := range s {
go func() {
println(i) // ERROR "range variable i enclosed by function"
println(v) // ERROR "range variable v enclosed by function"
}()
}
for i, v := range s {
defer func() {
println(i) // ERROR "range variable i enclosed by function"
println(v) // ERROR "range variable v enclosed by function"
}()
}
for i := range s {
go func() {
println(i) // ERROR "range variable i enclosed by function"
}()
}
for _, v := range s {
go func() {
println(v) // ERROR "range variable v enclosed by function"
}()
}
for i, v := range s {
go func() {
println(i, v)
}()
println("unfortunately, we don't catch the error above because of this statement")
}
for i, v := range s {
go func(i, v int) {
println(i, v)
}(i, v)
}
for i, v := range s {
i, v := i, v
go func() {
println(i, v)
}()
}
// If the key of the range statement is not an identifier
// the code should not panic (it used to).
var x [2]int
var f int
for x[0], f = range s {
go func() {
_ = f // ERROR "range variable f enclosed by function"
}()
}
}
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