From 8a45917f3d8011b231c4524f42a34732717e0027 Mon Sep 17 00:00:00 2001 From: Russ Cox Date: Thu, 20 Aug 2009 11:12:04 -0700 Subject: len and cap on chans R=ken OCL=33599 CL=33599 --- test/chancap.go | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 test/chancap.go (limited to 'test/chancap.go') diff --git a/test/chancap.go b/test/chancap.go new file mode 100644 index 0000000000..15256f731d --- /dev/null +++ b/test/chancap.go @@ -0,0 +1,27 @@ +// $G $D/$F.go && $L $F.$A && ./$A.out + +// 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 { + panicln("chan len/cap ", len(c), cap(c), " want 0 10"); + } + + for i := 0; i < 3; i++ { + c <- i; + } + if len(c) != 3 || cap(c) != 10 { + panicln("chan len/cap ", len(c), cap(c), " want 3 10"); + } + + c = make(chan int); + if len(c) != 0 || cap(c) != 0 { + panicln("chan len/cap ", len(c), cap(c), " want 0 0"); + } +} + -- cgit v1.2.1