Initial commit: Go 1.23 release state

test/switch2.go

@@ -0,0 +1,39 @@
+// errorcheck
+
+// Copyright 2015 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 erroneous switch statements are detected by the compiler.
+// Does not compile.
+
+package main
+
+func f() {
+	switch {
+	case 0; // ERROR "expecting := or = or : or comma|expected :"
+	}
+
+	switch {
+	case 0; // ERROR "expecting := or = or : or comma|expected :"
+	default:
+	}
+
+	switch {
+	case 0: case 0: default:
+	}
+
+	switch {
+	case 0: f(); case 0:
+	case 0: f() case 0: // ERROR "unexpected case at end of statement"
+	}
+
+	switch {
+	case 0: f(); default:
+	case 0: f() default: // ERROR "unexpected default at end of statement"
+	}
+
+	switch {
+	if x: // ERROR "expected case or default or }"
+	}
+}