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Commit 6b5962c2 authored by Rob Pike's avatar Rob Pike
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test/chan/select5.go: update to new templates 

R=golang-dev, dsymonds
CC=golang-dev
https://golang.org/cl/4911041
parent 7dce257a
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Showing with 141 additions and 142 deletions
test/chan/select5.go
View file @ 6b5962c2
......@@ -17,8 +17,8 @@ import (
"bufio"
"fmt"
"io"
"old/template"
"os"
"template"
)
func main() {
......@@ -135,181 +135,180 @@ func main() {
}
`
func parse(s string) *template.Template {
t := template.New(nil)
t.SetDelims("〈", "〉")
if err := t.Parse(s); err != nil {
panic(s)
func parse(name, s string) *template.Template {
t, err := template.New(name).Parse(s)
if err != nil {
panic(fmt.Sprintf("%q: %s", name, err))
}
return t
}
var recv = parse(`
〈# Send n, receive it one way or another into x, check that they match.〉
var recv = parse("recv", `
{{/* Send n, receive it one way or another into x, check that they match. */}}
c <- n
〈.section Maybe〉
{{with .Maybe}}
x = <-c
〈.or〉
{{else}}
select {
〈# Blocking or non-blocking, before the receive.〉
〈# The compiler implements two-case select where one is default with custom code,〉
〈# so test the default branch both before and after the send.〉
〈.section MaybeDefault〉
{{/* Blocking or non-blocking, before the receive. */}}
{{/* The compiler implements two-case select where one is default with custom code, */}}
{{/* so test the default branch both before and after the send. */}}
{{with .MaybeDefault}}
default:
panic("nonblock")
〈.end〉
〈# Receive from c. Different cases are direct, indirect, :=, interface, and map assignment.〉
〈.section Maybe〉
{{end}}
{{/* Receive from c. Different cases are direct, indirect, :=, interface, and map assignment. */}}
{{with .Maybe}}
case x = <-c:
〈.or〉〈.section Maybe〉
{{else}}{{with .Maybe}}
case *f(&x) = <-c:
〈.or〉〈.section Maybe〉
{{else}}{{with .Maybe}}
case y := <-c:
x = y
〈.or〉〈.section Maybe〉
{{else}}{{with .Maybe}}
case i = <-c:
x = i.(int)
〈.or〉
{{else}}
case m[13] = <-c:
x = m[13]
〈.end〉〈.end〉〈.end〉〈.end〉
〈# Blocking or non-blocking again, after the receive.〉
〈.section MaybeDefault〉
{{end}}{{end}}{{end}}{{end}}
{{/* Blocking or non-blocking again, after the receive. */}}
{{with .MaybeDefault}}
default:
panic("nonblock")
〈.end〉
〈# Dummy send, receive to keep compiler from optimizing select.〉
〈.section Maybe〉
{{end}}
{{/* Dummy send, receive to keep compiler from optimizing select. */}}
{{with .Maybe}}
case dummy <- 1:
panic("dummy send")
〈.end〉
〈.section Maybe〉
{{end}}
{{with .Maybe}}
case <-dummy:
panic("dummy receive")
〈.end〉
〈# Nil channel send, receive to keep compiler from optimizing select.〉
〈.section Maybe〉
{{end}}
{{/* Nil channel send, receive to keep compiler from optimizing select. */}}
{{with .Maybe}}
case nilch <- 1:
panic("nilch send")
〈.end〉
〈.section Maybe〉
{{end}}
{{with .Maybe}}
case <-nilch:
panic("nilch recv")
〈.end〉
{{end}}
}
〈.end〉
{{end}}
if x != n {
die(x)
}
n++
`)
var recvOrder = parse(`
〈# Send n, receive it one way or another into x, check that they match.〉
〈# Check order of operations along the way by calling functions that check〉
〈# that the argument sequence is strictly increasing.〉
var recvOrder = parse("recvOrder", `
{{/* Send n, receive it one way or another into x, check that they match. */}}
{{/* Check order of operations along the way by calling functions that check */}}
{{/* that the argument sequence is strictly increasing. */}}
order = 0
c <- n
〈.section Maybe〉
〈# Outside of select, left-to-right rule applies.〉
〈# (Inside select, assignment waits until case is chosen,〉
〈# so right hand side happens before anything on left hand side.〉
{{with .Maybe}}
{{/* Outside of select, left-to-right rule applies. */}}
{{/* (Inside select, assignment waits until case is chosen, */}}
{{/* so right hand side happens before anything on left hand side. */}}
*fp(&x, 1) = <-fc(c, 2)
〈.or〉〈.section Maybe〉
{{else}}{{with .Maybe}}
m[fn(13, 1)] = <-fc(c, 2)
x = m[13]
〈.or〉
{{else}}
select {
〈# Blocking or non-blocking, before the receive.〉
〈# The compiler implements two-case select where one is default with custom code,〉
〈# so test the default branch both before and after the send.〉
〈.section MaybeDefault〉
{{/* Blocking or non-blocking, before the receive. */}}
{{/* The compiler implements two-case select where one is default with custom code, */}}
{{/* so test the default branch both before and after the send. */}}
{{with .MaybeDefault}}
default:
panic("nonblock")
〈.end〉
〈# Receive from c. Different cases are direct, indirect, :=, interface, and map assignment.〉
〈.section Maybe〉
{{end}}
{{/* Receive from c. Different cases are direct, indirect, :=, interface, and map assignment. */}}
{{with .Maybe}}
case *fp(&x, 100) = <-fc(c, 1):
〈.or〉〈.section Maybe〉
{{else}}{{with .Maybe}}
case y := <-fc(c, 1):
x = y
〈.or〉〈.section Maybe〉
{{else}}{{with .Maybe}}
case i = <-fc(c, 1):
x = i.(int)
〈.or〉
{{else}}
case m[fn(13, 100)] = <-fc(c, 1):
x = m[13]
〈.end〉〈.end〉〈.end〉
〈# Blocking or non-blocking again, after the receive.〉
〈.section MaybeDefault〉
{{end}}{{end}}{{end}}
{{/* Blocking or non-blocking again, after the receive. */}}
{{with .MaybeDefault}}
default:
panic("nonblock")
〈.end〉
〈# Dummy send, receive to keep compiler from optimizing select.〉
〈.section Maybe〉
{{end}}
{{/* Dummy send, receive to keep compiler from optimizing select. */}}
{{with .Maybe}}
case fc(dummy, 2) <- fn(1, 3):
panic("dummy send")
〈.end〉
〈.section Maybe〉
{{end}}
{{with .Maybe}}
case <-fc(dummy, 4):
panic("dummy receive")
〈.end〉
〈# Nil channel send, receive to keep compiler from optimizing select.〉
〈.section Maybe〉
{{end}}
{{/* Nil channel send, receive to keep compiler from optimizing select. */}}
{{with .Maybe}}
case fc(nilch, 5) <- fn(1, 6):
panic("nilch send")
〈.end〉
〈.section Maybe〉
{{end}}
{{with .Maybe}}
case <-fc(nilch, 7):
panic("nilch recv")
〈.end〉
{{end}}
}
〈.end〉〈.end〉
{{end}}{{end}}
if x != n {
die(x)
}
n++
`)
var send = parse(`
〈# Send n one way or another, receive it into x, check that they match.〉
〈.section Maybe〉
var send = parse("send", `
{{/* Send n one way or another, receive it into x, check that they match. */}}
{{with .Maybe}}
c <- n
〈.or〉
{{else}}
select {
〈# Blocking or non-blocking, before the receive (same reason as in recv).〉
〈.section MaybeDefault〉
{{/* Blocking or non-blocking, before the receive (same reason as in recv). */}}
{{with .MaybeDefault}}
default:
panic("nonblock")
〈.end〉
〈# Send c <- n. No real special cases here, because no values come back〉
〈# from the send operation.〉
{{end}}
{{/* Send c <- n. No real special cases here, because no values come back */}}
{{/* from the send operation. */}}
case c <- n:
〈# Blocking or non-blocking.〉
〈.section MaybeDefault〉
{{/* Blocking or non-blocking. */}}
{{with .MaybeDefault}}
default:
panic("nonblock")
〈.end〉
〈# Dummy send, receive to keep compiler from optimizing select.〉
〈.section Maybe〉
{{end}}
{{/* Dummy send, receive to keep compiler from optimizing select. */}}
{{with .Maybe}}
case dummy <- 1:
panic("dummy send")
〈.end〉
〈.section Maybe〉
{{end}}
{{with .Maybe}}
case <-dummy:
panic("dummy receive")
〈.end〉
〈# Nil channel send, receive to keep compiler from optimizing select.〉
〈.section Maybe〉
{{end}}
{{/* Nil channel send, receive to keep compiler from optimizing select. */}}
{{with .Maybe}}
case nilch <- 1:
panic("nilch send")
〈.end〉
〈.section Maybe〉
{{end}}
{{with .Maybe}}
case <-nilch:
panic("nilch recv")
〈.end〉
{{end}}
}
〈.end〉
{{end}}
x = <-c
if x != n {
die(x)
......@@ -317,48 +316,48 @@ var send = parse(`
n++
`)
var sendOrder = parse(`
〈# Send n one way or another, receive it into x, check that they match.〉
〈# Check order of operations along the way by calling functions that check〉
〈# that the argument sequence is strictly increasing.〉
var sendOrder = parse("sendOrder", `
{{/* Send n one way or another, receive it into x, check that they match. */}}
{{/* Check order of operations along the way by calling functions that check */}}
{{/* that the argument sequence is strictly increasing. */}}
order = 0
〈.section Maybe〉
{{with .Maybe}}
fc(c, 1) <- fn(n, 2)
〈.or〉
{{else}}
select {
〈# Blocking or non-blocking, before the receive (same reason as in recv).〉
〈.section MaybeDefault〉
{{/* Blocking or non-blocking, before the receive (same reason as in recv). */}}
{{with .MaybeDefault}}
default:
panic("nonblock")
〈.end〉
〈# Send c <- n. No real special cases here, because no values come back〉
〈# from the send operation.〉
{{end}}
{{/* Send c <- n. No real special cases here, because no values come back */}}
{{/* from the send operation. */}}
case fc(c, 1) <- fn(n, 2):
〈# Blocking or non-blocking.〉
〈.section MaybeDefault〉
{{/* Blocking or non-blocking. */}}
{{with .MaybeDefault}}
default:
panic("nonblock")
〈.end〉
〈# Dummy send, receive to keep compiler from optimizing select.〉
〈.section Maybe〉
{{end}}
{{/* Dummy send, receive to keep compiler from optimizing select. */}}
{{with .Maybe}}
case fc(dummy, 3) <- fn(1, 4):
panic("dummy send")
〈.end〉
〈.section Maybe〉
{{end}}
{{with .Maybe}}
case <-fc(dummy, 5):
panic("dummy receive")
〈.end〉
〈# Nil channel send, receive to keep compiler from optimizing select.〉
〈.section Maybe〉
{{end}}
{{/* Nil channel send, receive to keep compiler from optimizing select. */}}
{{with .Maybe}}
case fc(nilch, 6) <- fn(1, 7):
panic("nilch send")
〈.end〉
〈.section Maybe〉
{{end}}
{{with .Maybe}}
case <-fc(nilch, 8):
panic("nilch recv")
〈.end〉
{{end}}
}
〈.end〉
{{end}}
x = <-c
if x != n {
die(x)
......@@ -366,49 +365,49 @@ var sendOrder = parse(`
n++
`)
var nonblock = parse(`
var nonblock = parse("nonblock", `
x = n
〈# Test various combinations of non-blocking operations.〉
〈# Receive assignments must not edit or even attempt to compute the address of the lhs.〉
{{/* Test various combinations of non-blocking operations. */}}
{{/* Receive assignments must not edit or even attempt to compute the address of the lhs. */}}
select {
〈.section MaybeDefault〉
{{with .MaybeDefault}}
default:
〈.end〉
〈.section Maybe〉
{{end}}
{{with .Maybe}}
case dummy <- 1:
panic("dummy <- 1")
〈.end〉
〈.section Maybe〉
{{end}}
{{with .Maybe}}
case nilch <- 1:
panic("nilch <- 1")
〈.end〉
〈.section Maybe〉
{{end}}
{{with .Maybe}}
case <-dummy:
panic("<-dummy")
〈.end〉
〈.section Maybe〉
{{end}}
{{with .Maybe}}
case x = <-dummy:
panic("<-dummy x")
〈.end〉
〈.section Maybe〉
{{end}}
{{with .Maybe}}
case **(**int)(nil) = <-dummy:
panic("<-dummy (and didn't crash saving result!)")
〈.end〉
〈.section Maybe〉
{{end}}
{{with .Maybe}}
case <-nilch:
panic("<-nilch")
〈.end〉
〈.section Maybe〉
{{end}}
{{with .Maybe}}
case x = <-nilch:
panic("<-nilch x")
〈.end〉
〈.section Maybe〉
{{end}}
{{with .Maybe}}
case **(**int)(nil) = <-nilch:
panic("<-nilch (and didn't crash saving result!)")
〈.end〉
〈.section MustDefault〉
{{end}}
{{with .MustDefault}}
default:
〈.end〉
{{end}}
}
if x != n {
die(x)
......
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