// 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" }