go/test/switch3.go
Russ Cox 57eb06fe93 test: use testlib (final 61)
X ,s;^// \$G (\$D/)?\$F\.go *$;// compile;g
X ,s;^// \$G (\$D/)?\$F\.go && \$L \$F\.\$A *$;// build;g
X ,s;^// \$G (\$D/)?\$F\.go && \$L \$F\.\$A && \./\$A\.out *$;// run;g
X ,s;^// errchk \$G( -e)? (\$D/)?\$F\.go *$;// errorcheck;g

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/5671080
2012-02-16 23:51:04 -05:00

59 lines
948 B
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.
package main
type I interface {
M()
}
func bad() {
var i I
var s string
switch i {
case s: // ERROR "mismatched types string and I|incompatible types"
}
switch s {
case i: // ERROR "mismatched types I and string|incompatible types"
}
var m, m1 map[int]int
switch m {
case nil:
case m1: // ERROR "can only compare map m to nil|map can only be compared to nil"
default:
}
var a, a1 []int
switch a {
case nil:
case a1: // ERROR "can only compare slice a to nil|slice can only be compared to nil"
default:
}
var f, f1 func()
switch f {
case nil:
case f1: // ERROR "can only compare func f to nil|func can only be compared to nil"
default:
}
}
func good() {
var i interface{}
var s string
switch i {
case s:
}
switch s {
case i:
}
}