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go/test/chancap.go
Russ Cox 8a45917f3d len and cap on chans
R=ken
OCL=33599
CL=33599
2009-08-20 11:12:04 -07:00

28 lines
603 B
Go

// $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");
}
}