go source for verification 2026-05-22

test/import4.dir/empty.go

@@ -0,0 +1,10 @@
+// Copyright 2009 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 empty
+
+import ( )
+const ( )
+var ( )
+type ( )

test/import4.dir/import4.go

@@ -0,0 +1,24 @@
+// Copyright 2009 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.
+
+// Verify that various kinds of "imported and not used"
+// errors are caught by the compiler.
+// Does not compile.
+
+package main
+
+// standard
+import "fmt"	// ERROR "imported and not used.*fmt|\x22fmt\x22 imported and not used"
+
+// renamed
+import X "math"	// ERROR "imported and not used.*math|\x22math\x22 imported as X and not used"
+
+// import dot
+import . "bufio"	// ERROR "imported and not used.*bufio|imported and not used"
+
+// again, package without anything in it
+import "./empty"	// ERROR "imported and not used.*empty|imported and not used"
+import Z "./empty"	// ERROR "imported and not used.*empty|imported as Z and not used"
+import . "./empty"	// ERROR "imported and not used.*empty|imported and not used"
+