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https://github.com/golang/go
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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
31 lines
670 B
Go
31 lines
670 B
Go
// run
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// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Test the cap predeclared function applied to channels.
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package main
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func main() {
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c := make(chan int, 10)
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if len(c) != 0 || cap(c) != 10 {
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println("chan len/cap ", len(c), cap(c), " want 0 10")
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panic("fail")
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}
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for i := 0; i < 3; i++ {
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c <- i
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}
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if len(c) != 3 || cap(c) != 10 {
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println("chan len/cap ", len(c), cap(c), " want 3 10")
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panic("fail")
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}
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c = make(chan int)
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if len(c) != 0 || cap(c) != 0 {
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println("chan len/cap ", len(c), cap(c), " want 0 0")
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panic("fail")
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}
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}
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