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/cannotassign.go | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 test/cannotassign.go (limited to 'test/cannotassign.go') diff --git a/test/cannotassign.go b/test/cannotassign.go new file mode 100644 index 0000000..27e6289 --- /dev/null +++ b/test/cannotassign.go @@ -0,0 +1,33 @@ +// errorcheck + +// Copyright 2020 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. + +// Test "cannot assign" errors + +package main + +func main() { + var s string = "hello" + s[1:2] = "a" // ERROR "cannot assign to .* (\(strings are immutable\))?" + s[3] = "b" // ERROR "cannot assign to .* (\(strings are immutable\))?" + + const n int = 1 + const cs string = "hello" + n = 2 // ERROR "cannot assign to .* (\(declared const\))?" + cs = "hi" // ERROR "cannot assign to .* (\(declared const\))?" + true = false // ERROR "cannot assign to .* (\(declared const\))?" + + var m map[int]struct{ n int } + m[0].n = 7 // ERROR "cannot assign to struct field .* in map$" + + 1 = 7 // ERROR "cannot assign to 1" + "hi" = 7 // ERROR `cannot assign to "hi"` + nil = 7 // ERROR "cannot assign to nil" + len("") = 7 // ERROR `cannot assign to len\(""\)` + []int{} = nil // ERROR "cannot assign to \[\]int\{\}" + + var x int = 7 + x + 1 = 7 // ERROR "cannot assign to x \+ 1" +} -- cgit v1.2.3