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/complit1.go | 65 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 65 insertions(+) create mode 100644 test/complit1.go (limited to 'test/complit1.go') diff --git a/test/complit1.go b/test/complit1.go new file mode 100644 index 0000000..8cbcd63 --- /dev/null +++ b/test/complit1.go @@ -0,0 +1,65 @@ +// errorcheck + +// Copyright 2011 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 illegal composite literals are detected. +// Does not compile. + +package main + +var m map[int][3]int + +func f() [3]int + +func fp() *[3]int + +var mp map[int]*[3]int + +var ( + _ = [3]int{1, 2, 3}[:] // ERROR "slice of unaddressable value" + _ = m[0][:] // ERROR "slice of unaddressable value" + _ = f()[:] // ERROR "slice of unaddressable value" + + _ = 301[:] // ERROR "cannot slice|attempt to slice object that is not" + _ = 3.1[:] // ERROR "cannot slice|attempt to slice object that is not" + _ = true[:] // ERROR "cannot slice|attempt to slice object that is not" + + // these are okay because they are slicing a pointer to an array + _ = (&[3]int{1, 2, 3})[:] + _ = mp[0][:] + _ = fp()[:] +) + +type T struct { + i int + f float64 + s string + next *T +} + +type TP *T +type Ti int + +var ( + _ = &T{0, 0, "", nil} // ok + _ = &T{i: 0, f: 0, s: "", next: {}} // ERROR "missing type in composite literal|omit types within composite literal" + _ = &T{0, 0, "", {}} // ERROR "missing type in composite literal|omit types within composite literal" + _ = TP{i: 0, f: 0, s: ""} // ERROR "invalid composite literal type TP" + _ = &Ti{} // ERROR "invalid composite literal type Ti|expected.*type for composite literal" +) + +type M map[T]T + +var ( + _ = M{{i: 1}: {i: 2}} + _ = M{T{i: 1}: {i: 2}} + _ = M{{i: 1}: T{i: 2}} + _ = M{T{i: 1}: T{i: 2}} +) + +type S struct{ s [1]*M1 } +type M1 map[S]int + +var _ = M1{{s: [1]*M1{&M1{{}: 1}}}: 2} -- cgit v1.2.3