From 43a123c1ae6613b3efeed291fa552ecd909d3acf Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Tue, 16 Apr 2024 21:23:18 +0200 Subject: Adding upstream version 1.20.14. Signed-off-by: Daniel Baumann --- test/fixedbugs/issue13480.go | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 test/fixedbugs/issue13480.go (limited to 'test/fixedbugs/issue13480.go') diff --git a/test/fixedbugs/issue13480.go b/test/fixedbugs/issue13480.go new file mode 100644 index 0000000..7e859c5 --- /dev/null +++ b/test/fixedbugs/issue13480.go @@ -0,0 +1,38 @@ +// errorcheck + +// Copyright 2015 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. + +// Verify that comparisons of slice/map/func values against converted nil +// values are properly rejected. + +package p + +func bug() { + type S []byte + type M map[int]int + type F func() + + var s S + var m M + var f F + + _ = s == S(nil) // ERROR "compare.*to nil|operator \=\= not defined for .|cannot compare" + _ = S(nil) == s // ERROR "compare.*to nil|operator \=\= not defined for .|cannot compare" + switch s { + case S(nil): // ERROR "compare.*to nil|operator \=\= not defined for .|cannot compare" + } + + _ = m == M(nil) // ERROR "compare.*to nil|operator \=\= not defined for .|cannot compare" + _ = M(nil) == m // ERROR "compare.*to nil|operator \=\= not defined for .|cannot compare" + switch m { + case M(nil): // ERROR "compare.*to nil|operator \=\= not defined for .|cannot compare" + } + + _ = f == F(nil) // ERROR "compare.*to nil|operator \=\= not defined for .|cannot compare" + _ = F(nil) == f // ERROR "compare.*to nil|operator \=\= not defined for .|cannot compare" + switch f { + case F(nil): // ERROR "compare.*to nil|operator \=\= not defined for .|cannot compare" + } +} -- cgit v1.2.3