mirror of
https://github.com/golang/go
synced 2024-11-24 00:00:23 -07:00
fc0dc04095
Very few of the compiler regression tests include a comment saying waht they do. Many are obvious, some are anything but. I've started with a-c in the top directory. More will follow once we agree on the approach, correctness, and thoroughness here. zerodivide.go sneaked in too. R=rsc, r CC=golang-dev https://golang.org/cl/5656100
32 lines
670 B
Go
32 lines
670 B
Go
// 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.
|
|
|
|
// Test the cap predeclared function applied to channels.
|
|
|
|
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")
|
|
}
|
|
}
|