Source file test/defer.go

     1  // run
     2  
     3  // Copyright 2009 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  // Test defer.
     8  
     9  package main
    10  
    11  import "fmt"
    12  
    13  var result string
    14  
    15  func addInt(i int) { result += fmt.Sprint(i) }
    16  
    17  func test1helper() {
    18  	for i := 0; i < 10; i++ {
    19  		defer addInt(i)
    20  	}
    21  }
    22  
    23  func test1() {
    24  	result = ""
    25  	test1helper()
    26  	if result != "9876543210" {
    27  		fmt.Printf("test1: bad defer result (should be 9876543210): %q\n", result)
    28  		panic("defer")
    29  	}
    30  }
    31  
    32  func addDotDotDot(v ...interface{}) { result += fmt.Sprint(v...) }
    33  
    34  func test2helper() {
    35  	for i := 0; i < 10; i++ {
    36  		defer addDotDotDot(i)
    37  	}
    38  }
    39  
    40  func test2() {
    41  	result = ""
    42  	test2helper()
    43  	if result != "9876543210" {
    44  		fmt.Printf("test2: bad defer result (should be 9876543210): %q\n", result)
    45  		panic("defer")
    46  	}
    47  }
    48  
    49  func main() {
    50  	test1()
    51  	test2()
    52  }
    53  

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