mirror of
https://github.com/golang/go
synced 2024-11-25 04:47:57 -07:00
14056d0d00
This is a port of CL 312212, CL 312591 (except check_test.go), and CL 312790 to types2. Updates #19367. Updates #40481. Change-Id: I58ba0b0dad157baba3f82c909d5eb1268b931be4 Reviewed-on: https://go-review.googlesource.com/c/go/+/312511 Trust: Matthew Dempsky <mdempsky@google.com> Trust: Robert Griesemer <gri@golang.org> Run-TryBot: Matthew Dempsky <mdempsky@google.com> TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: Robert Griesemer <gri@golang.org>
35 lines
1.3 KiB
Go
35 lines
1.3 KiB
Go
// 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"
|
|
}
|