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channel tests with new syntax

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SVN=127436
This commit is contained in:
Rob Pike 2008-07-15 20:52:07 -07:00
parent f550cd67e0
commit 33101926f9
3 changed files with 65 additions and 65 deletions
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18
test/chan/fifo.go
View File

@ -13,22 +13,22 @@ const N = 10
func AsynchFifo() {
ch := new(chan int, N);
for i := 0; i < N; i++ {
>ch = i
ch -< i
}
for i := 0; i < N; i++ {
if <ch != 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;
func Chain(ch *chan<- int, val int, in *chan<- int, out *chan-< int) {
<-in;
if <-ch != val {
panic val
}
>out = 1;
out -< 1
}
// thread together a daisy chain to read the elements in sequence
@ -41,9 +41,9 @@ func SynchFifo() {
go Chain(ch, i, in, out);
in = out;
}
>start = 0;
start -< 0;
for i := 0; i < N; i++ {
>ch = i
ch -< i
}
}

72
test/chan/sieve.go
View File

@ -10,30 +10,30 @@
package main
// Send the sequence 2, 3, 4, ... to channel 'ch'.
func Generate(ch *chan> int) {
for i := 2; i<100; i++ {
>ch = i // Send 'i' to channel 'ch'.
func Generate(ch *chan-< int) {
for i := 2; ; i++ {
ch -< i // Send 'i' to channel 'ch'.
}
}
// Copy the values from channel 'in' to channel 'out',
// removing those divisible by 'prime'.
func Filter(in *chan< int, out *chan> int, prime int) {
func Filter(in *chan<- int, out *chan-< int, prime int) {
for {
i := <in // Receive value of new variable 'i' from 'in'.
i := <-in // Receive value of new variable 'i' from 'in'.
if i % prime != 0 {
>out = i // Send 'i' to channel 'out'.
out -< i // Send 'i' to channel 'out'.
}
}
}
// The prime sieve: Daisy-chain Filter processes together.
func Sieve(primes *chan> int) {
ch := new(chan int); // Create a new channel.
go Generate(ch); // Start Generate() as a subprocess.
func Sieve() {
ch := new(chan int); // Create a new channel.
go Generate(ch); // Start Generate() as a subprocess.
for {
prime := <ch;
>primes = prime;
prime := <-ch;
print prime, "\n";
ch1 := new(chan int);
go Filter(ch, ch1, prime);
ch = ch1
@ -43,30 +43,30 @@ func Sieve(primes *chan> int) {
func main() {
primes := new(chan int);
go Sieve(primes);
if <primes != 2 { panic 2 }
if <primes != 3 { panic 3 }
if <primes != 5 { panic 5 }
if <primes != 7 { panic 7 }
if <primes != 11 { panic 11 }
if <primes != 13 { panic 13 }
if <primes != 17 { panic 17 }
if <primes != 19 { panic 19 }
if <primes != 23 { panic 23 }
if <primes != 29 { panic 29 }
if <primes != 31 { panic 31 }
if <primes != 37 { panic 37 }
if <primes != 41 { panic 41 }
if <primes != 43 { panic 43 }
if <primes != 47 { panic 47 }
if <primes != 53 { panic 53 }
if <primes != 59 { panic 59 }
if <primes != 61 { panic 61 }
if <primes != 67 { panic 67 }
if <primes != 71 { panic 71 }
if <primes != 73 { panic 73 }
if <primes != 79 { panic 79 }
if <primes != 83 { panic 83 }
if <primes != 89 { panic 89 }
if <primes != 97 { panic 97 }
if <-primes != 2 { panic 2 }
if <-primes != 3 { panic 3 }
if <-primes != 5 { panic 5 }
if <-primes != 7 { panic 7 }
if <-primes != 11 { panic 11 }
if <-primes != 13 { panic 13 }
if <-primes != 17 { panic 17 }
if <-primes != 19 { panic 19 }
if <-primes != 23 { panic 23 }
if <-primes != 29 { panic 29 }
if <-primes != 31 { panic 31 }
if <-primes != 37 { panic 37 }
if <-primes != 41 { panic 41 }
if <-primes != 43 { panic 43 }
if <-primes != 47 { panic 47 }
if <-primes != 53 { panic 53 }
if <-primes != 59 { panic 59 }
if <-primes != 61 { panic 61 }
if <-primes != 67 { panic 67 }
if <-primes != 71 { panic 71 }
if <-primes != 73 { panic 73 }
if <-primes != 79 { panic 79 }
if <-primes != 83 { panic 83 }
if <-primes != 89 { panic 89 }
if <-primes != 97 { panic 97 }
sys.exit(0);
}

40
test/sieve.go
View File

@ -7,34 +7,34 @@
package main
// Send the sequence 2, 3, 4, ... to channel 'ch'.
func Generate(ch *chan> int) {
for i := 2; ; i++ {
>ch = i // Send 'i' to channel 'ch'.
}
func Generate(ch *chan-< int) {
for i := 2; ; i++ {
ch -< i // Send 'i' to channel 'ch'.
}
}
// Copy the values from channel 'in' to channel 'out',
// removing those divisible by 'prime'.
func Filter(in *chan< int, out *chan> int, prime int) {
for {
i := <in // Receive value of new variable 'i' from 'in'.
if i % prime != 0 {
>out = i // Send 'i' to channel 'out'.
}
}
func Filter(in *chan<- int, out *chan-< int, prime int) {
for {
i := <-in // Receive value of new variable 'i' from 'in'.
if i % prime != 0 {
out -< i // Send 'i' to channel 'out'.
}
}
}
// The prime sieve: Daisy-chain Filter processes together.
func Sieve() {
ch := new(chan int); // Create a new channel.
go Generate(ch); // Start Generate() as a subprocess.
for {
prime := <ch;
print prime, "\n";
ch1 := new(chan int);
go Filter(ch, ch1, prime);
ch = ch1
}
ch := new(chan int); // Create a new channel.
go Generate(ch); // Start Generate() as a subprocess.
for {
prime := <-ch;
print prime, "\n";
ch1 := new(chan int);
go Filter(ch, ch1, prime);
ch = ch1
}
}
func main() {