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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 13:14:23 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 13:14:23 +0000 |
commit | 73df946d56c74384511a194dd01dbe099584fd1a (patch) | |
tree | fd0bcea490dd81327ddfbb31e215439672c9a068 /test/fixedbugs/issue4654.go | |
parent | Initial commit. (diff) | |
download | golang-1.16-73df946d56c74384511a194dd01dbe099584fd1a.tar.xz golang-1.16-73df946d56c74384511a194dd01dbe099584fd1a.zip |
Adding upstream version 1.16.10.upstream/1.16.10upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | test/fixedbugs/issue4654.go | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/test/fixedbugs/issue4654.go b/test/fixedbugs/issue4654.go new file mode 100644 index 0000000..76aff76 --- /dev/null +++ b/test/fixedbugs/issue4654.go @@ -0,0 +1,71 @@ +// 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" +} |