// run // Copyright 2009 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 main func main() { c := make(chan int, 10) if len(c) != 0 || cap(c) != 10 { println("chan len/cap ", len(c), cap(c), " want 0 10") panic("fail") } for i := 0; i < 3; i++ { c <- i } if len(c) != 3 || cap(c) != 10 { println("chan len/cap ", len(c), cap(c), " want 3 10") panic("fail") } c = make(chan int) if len(c) != 0 || cap(c) != 0 { println("chan len/cap ", len(c), cap(c), " want 0 0") panic("fail") } }