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      1 // errorcheck
      2 
      3 // Copyright 2015 The Go Authors. All rights reserved.
      4 // Use of this source code is governed by a BSD-style
      5 // license that can be found in the LICENSE file.
      6 
      7 // Verify that erroneous switch statements are detected by the compiler.
      8 // Does not compile.
      9 
     10 package main
     11 
     12 func f() {
     13 	switch {
     14 	case 0; // ERROR "expecting := or = or : or comma|expecting :"
     15 	}
     16 
     17 	switch {
     18 	case 0; // ERROR "expecting := or = or : or comma|expecting :"
     19 	default:
     20 	}
     21 
     22 	switch {
     23 	case 0: case 0: default:
     24 	}
     25 
     26 	switch {
     27 	case 0: f(); case 0:
     28 	case 0: f() case 0: // ERROR "unexpected case at end of statement"
     29 	}
     30 
     31 	switch {
     32 	case 0: f(); default:
     33 	case 0: f() default: // ERROR "unexpected default at end of statement"
     34 	}
     35 
     36 	switch {
     37 	if x: // ERROR "expecting case or default or }"
     38 	}
     39 }
     40