mirror of
https://github.com/golang/go
synced 2024-11-17 00:24:48 -07:00
d32018a500
Add tests for the "negative size argument in make.*" and "size argument too large in make.*" error messages to appear at call sites in case the size is a const defined on another line. As suggested by Matthew in a comment on CL 69910. Change-Id: I5c33d4bec4e3d20bb21fe8019df27999997ddff3 Reviewed-on: https://go-review.googlesource.com/100395 Reviewed-by: Matthew Dempsky <mdempsky@google.com>
41 lines
1.5 KiB
Go
41 lines
1.5 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, 1.0)
|
|
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.*"
|
|
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.*"
|
|
}
|