.gitignore added

[dotfiles/.git] / .config / coc / extensions / coc-go-data / tools / pkg / mod / golang.org / x / tools@v0.1.1-0.20210319172145-bda8f5cee399 / go / analysis / passes / ifaceassert / testdata / src / a / a.go

diff --git a/.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/tools@v0.1.1-0.20210319172145-bda8f5cee399/go/analysis/passes/ifaceassert/testdata/src/a/a.go b/.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/tools@v0.1.1-0.20210319172145-bda8f5cee399/go/analysis/passes/ifaceassert/testdata/src/a/a.go
new file mode 100644 (file)
index 0000000..ca9beb0
--- /dev/null
+++ b/.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/tools@v0.1.1-0.20210319172145-bda8f5cee399/go/analysis/passes/ifaceassert/testdata/src/a/a.go
@@ -0,0 +1,40 @@
+// Copyright 2020 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 ifaceassert checker.
+
+package a
+
+import "io"
+
+func InterfaceAssertionTest() {
+       var (
+               a io.ReadWriteSeeker
+               b interface {
+                       Read()
+                       Write()
+               }
+       )
+       _ = a.(io.Reader)
+       _ = a.(io.ReadWriter)
+       _ = b.(io.Reader)  // want `^impossible type assertion: no type can implement both interface{Read\(\); Write\(\)} and io.Reader \(conflicting types for Read method\)$`
+       _ = b.(interface { // want `^impossible type assertion: no type can implement both interface{Read\(\); Write\(\)} and interface{Read\(p \[\]byte\) \(n int, err error\)} \(conflicting types for Read method\)$`
+               Read(p []byte) (n int, err error)
+       })
+
+       switch a.(type) {
+       case io.ReadWriter:
+       case interface { // want `^impossible type assertion: no type can implement both io.ReadWriteSeeker and interface{Write\(\)} \(conflicting types for Write method\)$`
+               Write()
+       }:
+       default:
+       }
+
+       switch b := b.(type) {
+       case io.ReadWriter, interface{ Read() }: // want `^impossible type assertion: no type can implement both interface{Read\(\); Write\(\)} and io.ReadWriter \(conflicting types for Read method\)$`
+       case io.Writer: // want `^impossible type assertion: no type can implement both interface{Read\(\); Write\(\)} and io.Writer \(conflicting types for Write method\)$`
+       default:
+               _ = b
+       }
+}