blob: 63998d708c31228ce5adc2d028de23d0800025e6 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
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.*"
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.*"
}
|
