mirror of
https://github.com/golang/go
synced 2024-11-23 10:00:03 -07:00
d0d0028207
Change-Id: Ib9bcfaa12d42bf9d2045aef035080b1a990a8b98
GitHub-Last-Rev: bee77a8970
GitHub-Pull-Request: golang/go#38047
Reviewed-on: https://go-review.googlesource.com/c/go/+/225219
Reviewed-by: Martin Möhrmann <moehrmann@google.com>
Run-TryBot: Martin Möhrmann <moehrmann@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
35 lines
1.1 KiB
Go
35 lines
1.1 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.*"
|
|
sink = make(T, uint64(1<<63)) // ERROR "size argument too large in make.*"
|
|
|
|
// Test that errors are emitted at call sites, not const declarations
|
|
const x = -1
|
|
sink = make(T, x) // ERROR "negative size argument in make.*"
|
|
const y = uint64(1 << 63)
|
|
sink = make(T, y) // ERROR "size argument too large in make.*"
|
|
|
|
sink = make(T, 0.5) // ERROR "constant 0.5 truncated to integer"
|
|
sink = make(T, 1.0)
|
|
sink = make(T, float32(1.0)) // ERROR "non-integer size argument in make.*"
|
|
sink = make(T, float64(1.0)) // ERROR "non-integer size argument in make.*"
|
|
sink = make(T, 1+0i)
|
|
sink = make(T, complex64(1+0i)) // ERROR "non-integer size argument in make.*"
|
|
sink = make(T, complex128(1+0i)) // ERROR "non-integer size argument in make.*"
|
|
}
|