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/makemap.go | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 test/makemap.go (limited to 'test/makemap.go') diff --git a/test/makemap.go b/test/makemap.go new file mode 100644 index 0000000..f63e5b4 --- /dev/null +++ b/test/makemap.go @@ -0,0 +1,34 @@ +// errorcheck + +// Copyright 2017 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. + +// Ensure that typed non-integer, negative and too large +// values are not accepted as size argument in make for +// maps. + +package main + +type T map[int]int + +var sink T + +func main() { + sink = make(T, -1) // ERROR "negative size argument in make.*|must not be negative" + sink = make(T, uint64(1<<63)) // ERROR "size argument too large in make.*|overflows int" + + // Test that errors are emitted at call sites, not const declarations + const x = -1 + sink = make(T, x) // ERROR "negative size argument in make.*|must not be negative" + const y = uint64(1 << 63) + sink = make(T, y) // ERROR "size argument too large in make.*|overflows int" + + sink = make(T, 0.5) // ERROR "constant 0.5 truncated to integer|truncated to int" + sink = make(T, 1.0) + sink = make(T, float32(1.0)) // ERROR "non-integer size argument in make.*|must be integer" + sink = make(T, float64(1.0)) // ERROR "non-integer size argument in make.*|must be integer" + sink = make(T, 1+0i) + sink = make(T, complex64(1+0i)) // ERROR "non-integer size argument in make.*|must be integer" + sink = make(T, complex128(1+0i)) // ERROR "non-integer size argument in make.*|must be integer" +} -- cgit v1.2.3