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Source file test/fixedbugs/issue4232.go

Documentation: test/fixedbugs

     1  // errorcheck
     2  
     3  // Copyright 2013 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  // issue 4232
     8  // issue 7200
     9  
    10  package p
    11  
    12  func f() {
    13  	var a [10]int
    14  	_ = a[-1]  // ERROR "invalid array index -1|index out of bounds"
    15  	_ = a[-1:] // ERROR "invalid slice index -1|index out of bounds"
    16  	_ = a[:-1] // ERROR "invalid slice index -1|index out of bounds"
    17  	_ = a[10]  // ERROR "invalid array index 10|index out of bounds"
    18  	_ = a[9:10]
    19  	_ = a[10:10]
    20  	_ = a[9:12]            // ERROR "invalid slice index 12|index out of bounds"
    21  	_ = a[11:12]           // ERROR "invalid slice index 11|index out of bounds"
    22  	_ = a[1<<100 : 1<<110] // ERROR "overflows int" "invalid slice index 1 << 100|index out of bounds"
    23  
    24  	var s []int
    25  	_ = s[-1]  // ERROR "invalid slice index -1|index out of bounds"
    26  	_ = s[-1:] // ERROR "invalid slice index -1|index out of bounds"
    27  	_ = s[:-1] // ERROR "invalid slice index -1|index out of bounds"
    28  	_ = s[10]
    29  	_ = s[9:10]
    30  	_ = s[10:10]
    31  	_ = s[9:12]
    32  	_ = s[11:12]
    33  	_ = s[1<<100 : 1<<110] // ERROR "overflows int" "invalid slice index 1 << 100|index out of bounds"
    34  
    35  	const c = "foofoofoof"
    36  	_ = c[-1]  // ERROR "invalid string index -1|index out of bounds"
    37  	_ = c[-1:] // ERROR "invalid slice index -1|index out of bounds"
    38  	_ = c[:-1] // ERROR "invalid slice index -1|index out of bounds"
    39  	_ = c[10]  // ERROR "invalid string index 10|index out of bounds"
    40  	_ = c[9:10]
    41  	_ = c[10:10]
    42  	_ = c[9:12]            // ERROR "invalid slice index 12|index out of bounds"
    43  	_ = c[11:12]           // ERROR "invalid slice index 11|index out of bounds"
    44  	_ = c[1<<100 : 1<<110] // ERROR "overflows int" "invalid slice index 1 << 100|index out of bounds"
    45  
    46  	var t string
    47  	_ = t[-1]  // ERROR "invalid string index -1|index out of bounds"
    48  	_ = t[-1:] // ERROR "invalid slice index -1|index out of bounds"
    49  	_ = t[:-1] // ERROR "invalid slice index -1|index out of bounds"
    50  	_ = t[10]
    51  	_ = t[9:10]
    52  	_ = t[10:10]
    53  	_ = t[9:12]
    54  	_ = t[11:12]
    55  	_ = t[1<<100 : 1<<110] // ERROR "overflows int" "invalid slice index 1 << 100|index out of bounds"
    56  }
    57  

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