...
Run Format

Source file test/fixedbugs/issue4654.go

Documentation: test/fixedbugs

  // errorcheck
  
  // Copyright 2013 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.
  
  // Issue 4654.
  // Check error for conversion and 'not used' in defer/go.
  
  package p
  
  import "unsafe"
  
  func f() {
  	defer int(0) // ERROR "defer requires function call, not conversion|is not used"
  	go string([]byte("abc")) // ERROR "go requires function call, not conversion|is not used"
  	
  	var c complex128
  	var f float64
  	var t struct {X int}
  
  	var x []int
  	defer append(x, 1) // ERROR "defer discards result of append|is not used"
  	defer cap(x) // ERROR "defer discards result of cap|is not used"
  	defer complex(1, 2) // ERROR "defer discards result of complex|is not used"
  	defer complex(f, 1) // ERROR "defer discards result of complex|is not used"
  	defer imag(1i) // ERROR "defer discards result of imag|is not used"
  	defer imag(c) // ERROR "defer discards result of imag|is not used"
  	defer len(x) // ERROR "defer discards result of len|is not used"
  	defer make([]int, 1) // ERROR "defer discards result of make|is not used"
  	defer make(chan bool) // ERROR "defer discards result of make|is not used"
  	defer make(map[string]int) // ERROR "defer discards result of make|is not used"
  	defer new(int) // ERROR "defer discards result of new|is not used"
  	defer real(1i) // ERROR "defer discards result of real|is not used"
  	defer real(c) // ERROR "defer discards result of real|is not used"
  	defer append(x, 1) // ERROR "defer discards result of append|is not used"
  	defer append(x, 1) // ERROR "defer discards result of append|is not used"
  	defer unsafe.Alignof(t.X) // ERROR "defer discards result of unsafe.Alignof|is not used"
  	defer unsafe.Offsetof(t.X) // ERROR "defer discards result of unsafe.Offsetof|is not used"
  	defer unsafe.Sizeof(t) // ERROR "defer discards result of unsafe.Sizeof|is not used"
  	
  	defer copy(x, x) // ok
  	m := make(map[int]int)
  	defer delete(m, 1) // ok
  	defer panic(1) // ok
  	defer print(1) // ok
  	defer println(1) // ok
  	defer recover() // ok
  
  	int(0) // ERROR "int\(0\) evaluated but not used|is not used"
  	string([]byte("abc")) // ERROR "string\(.*\) evaluated but not used|is not used"
  
  	append(x, 1) // ERROR "not used"
  	cap(x) // ERROR "not used"
  	complex(1, 2) // ERROR "not used"
  	complex(f, 1) // ERROR "not used"
  	imag(1i) // ERROR "not used"
  	imag(c) // ERROR "not used"
  	len(x) // ERROR "not used"
  	make([]int, 1) // ERROR "not used"
  	make(chan bool) // ERROR "not used"
  	make(map[string]int) // ERROR "not used"
  	new(int) // ERROR "not used"
  	real(1i) // ERROR "not used"
  	real(c) // ERROR "not used"
  	append(x, 1) // ERROR "not used"
  	append(x, 1) // ERROR "not used"
  	unsafe.Alignof(t.X) // ERROR "not used"
  	unsafe.Offsetof(t.X) // ERROR "not used"
  	unsafe.Sizeof(t) // ERROR "not used"
  }
  

View as plain text