| // Copyright 2019 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. |
| |
| package cgotest |
| |
| // #include <stdint.h> |
| // uint64_t issue29878exported(int8_t); // prototype must match |
| // int16_t issue29878function(uint32_t arg) { return issue29878exported(arg); } |
| import "C" |
| |
| import "testing" |
| |
| func test29878(t *testing.T) { |
| const arg uint32 = 123 // fits into all integer types |
| var ret int16 = C.issue29878function(arg) // no conversions needed |
| if int64(ret) != int64(arg) { |
| t.Errorf("return value unexpected: got %d, want %d", ret, arg) |
| } |
| } |
