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Diffstat (limited to '')
-rw-r--r-- | test/makechan.go | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/test/makechan.go b/test/makechan.go new file mode 100644 index 0000000..9fabd17 --- /dev/null +++ b/test/makechan.go @@ -0,0 +1,28 @@ +// 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 to large +// values are not accepted as size argument in make for +// channels. + +package main + +type T chan byte + +var sink T + +func main() { + sink = make(T, -1) // ERROR "negative buffer argument in make.*|must not be negative" + sink = make(T, uint64(1<<63)) // ERROR "buffer 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 buffer argument in make.*|must be integer" + sink = make(T, float64(1.0)) // ERROR "non-integer buffer argument in make.*|must be integer" + sink = make(T, 1+0i) + sink = make(T, complex64(1+0i)) // ERROR "non-integer buffer argument in make.*|must be integer" + sink = make(T, complex128(1+0i)) // ERROR "non-integer buffer argument in make.*|must be integer" +} |