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Source file test/fixedbugs/issue15975.go

Documentation: test/fixedbugs

     1  // run
     2  
     3  // Copyright 2016 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  package main
     8  
     9  var fail bool
    10  
    11  type Closer interface {
    12  	Close()
    13  }
    14  
    15  func nilInterfaceDeferCall() {
    16  	var x Closer
    17  	defer x.Close()
    18  	// if it panics when evaluating x.Close, it should not reach here
    19  	fail = true
    20  }
    21  
    22  func shouldPanic(f func()) {
    23  	defer func() {
    24  		if recover() == nil {
    25  			panic("did not panic")
    26  		}
    27  	}()
    28  	f()
    29  }
    30  
    31  func main() {
    32  	shouldPanic(nilInterfaceDeferCall)
    33  	if fail {
    34  		panic("fail")
    35  	}
    36  }
    37  

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