diff --git a/test/chan/fifo.go b/test/chan/fifo.go new file mode 100644 index 0000000000000000000000000000000000000000..114e7d0876f3417349a9dd6a02747385cab91f1f --- /dev/null +++ b/test/chan/fifo.go @@ -0,0 +1,54 @@ +// $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. + +// Verify that unbuffered channels act as pure fifos. + +package main + +const N = 10 + +func AsynchFifo() { + ch := new(chan int, N); + for i := 0; i < N; i++ { + >ch = i + } + for i := 0; i < N; i++ { + if <ch != i { + print "bad receive\n"; + sys.exit(1); + } + } +} + +func Chain(ch *chan< int, val int, in *chan< int, out *chan> int) { + BUG := <in; + if <ch != val { + panic val; + } + >out = 1; +} + +// thread together a daisy chain to read the elements in sequence +func SynchFifo() { + ch := new(chan int); + in := new(chan int); + start := in; + for i := 0; i < N; i++ { + out := new(chan int); + go Chain(ch, i, in, out); + in = out; + } + >start = 0; + for i := 0; i < N; i++ { + >ch = i + } +} + +func main() { + AsynchFifo(); + SynchFifo(); +} + diff --git a/test/golden.out b/test/golden.out index 3c68b57212be755e3f362833c29b0fe111bd9097..ef97daf5dc93f658239ccdcf8a7b96601766e1f2 100644 --- a/test/golden.out +++ b/test/golden.out @@ -114,6 +114,8 @@ abcxyz-abcxyz-abcxyz-abcxyz-abcxyz-abcxyz-abcxyz =========== ken/strvar.go +=========== chan/fifo.go + =========== chan/sieve.go =========== bugs/bug010.go @@ -260,6 +262,8 @@ BUG: compilation should succeed =========== bugs/bug069.go bugs/bug069.go:12: bad shape across assignment - cr=1 cl=2 +BUG: compilation should succeed + =========== bugs/bug070.go outer loop top k 0 inner loop top i 0 diff --git a/test/utf.go b/test/utf.go new file mode 100644 index 0000000000000000000000000000000000000000..cf0c746ab9091a7aade2975ca9eb8df482ecaa65 --- /dev/null +++ b/test/utf.go @@ -0,0 +1,52 @@ +// $G $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() { + var chars [6] int; + chars[0] = 'a'; + chars[1] = 'b'; + chars[2] = 'c'; + chars[3] = '\u65e5'; + chars[4] = '\u672c'; + chars[5] = '\u8a9e'; + s := ""; + for i := 0; i < 6; i++ { + s += string(chars[i]); + } + var l = len(s); + for w, i, j := 0,0,0; i < l; i += w { + var r int32; + r, w = sys.stringtorune(s, i, l); + if w == 0 { panic "zero width in string" } + if r != chars[j] { panic "wrong value from string" } + j++; + } + // encoded as bytes: 'a' 'b' 'c' e6 97 a5 e6 9c ac e8 aa 9e + const L = 12; + if L != l { panic "wrong length constructing array" } + a := new([L]byte); + a[0] = 'a'; + a[1] = 'b'; + a[2] = 'c'; + a[3] = 0xe6; + a[4] = 0x97; + a[5] = 0xa5; + a[6] = 0xe6; + a[7] = 0x9c; + a[8] = 0xac; + a[9] = 0xe8; + a[10] = 0xaa; + a[11] = 0x9e; + for w, i, j := 0,0,0; i < L; i += w { + var r int32; + r, w = sys.bytestorune(&a[0], i, L); + if w == 0 { panic "zero width in bytes" } + if r != chars[j] { panic "wrong value from bytes" } + j++; + } +}