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test: enable tests using v, ok := <-ch syntax

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R=rsc, r
CC=golang-dev
https://golang.org/cl/4290059
This commit is contained in:
Robert Hencke 2011-03-22 10:32:43 -07:00 committed by Rob Pike
parent 1da382c871
commit 169e6d40e3
4 changed files with 29 additions and 33 deletions
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21
test/fixedbugs/bug069.go
View File

@ -7,15 +7,14 @@
package main
func main() {
//TODO(rsc): uncomment when this syntax is valid for receive+check closed
// c := make(chan int);
// ok := false;
// var i int;
//
// i, ok = <-c; // works
// _, _ = i, ok;
//
// ca := new([2]chan int);
// i, ok = <-(ca[0]); // fails: c.go:11: bad shape across assignment - cr=1 cl=2
// _, _ = i, ok;
c := make(chan int);
ok := false;
var i int;
i, ok = <-c; // works
_, _ = i, ok;
ca := new([2]chan int);
i, ok = <-(ca[0]); // fails: c.go:11: bad shape across assignment - cr=1 cl=2
_, _ = i, ok;
}

7
test/fixedbugs/bug196.go
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@ -13,12 +13,11 @@ var i int
func multi() (int, int) { return 1, 2 }
func xxx() {
//TODO(rsc): uncomment when this syntax is valid for receive+check closed
// var c chan int
// x, ok := <-c
var c chan int
x, ok := <-c
var m map[int]int
x, ok := m[1]
x, ok = m[1]
var i interface{}
var xx int

26
test/fixedbugs/bug234.go
View File

@ -7,17 +7,17 @@
package main
func main() {
//TODO(rsc): uncomment when this syntax is valid for receive+check closed
// c := make(chan int, 1)
// c <- 100
// x, ok := <-c
// if x != 100 || !ok {
// println("x=", x, " ok=", ok, " want 100, true")
// panic("fail")
// }
// x, ok = <-c
// if x != 0 || ok {
// println("x=", x, " ok=", ok, " want 0, false")
// panic("fail")
// }
c := make(chan int, 1)
c <- 100
x, ok := <-c
if x != 100 || !ok {
println("x=", x, " ok=", ok, " want 100, true")
panic("fail")
}
close(c)
x, ok = <-c
if x != 0 || ok {
println("x=", x, " ok=", ok, " want 0, false")
panic("fail")
}
}

8
test/fixedbugs/bug242.go
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@ -101,13 +101,11 @@ func main() {
c := make(chan byte, 1)
c <- 'C'
//TODO(rsc): uncomment when this syntax is valid for receive+check closed
// 15 16
// *f(), p1 = <-e1(c, 16)
*f(), p1 = <-e1(c, 16), true // delete uncommenting above
*f(), p1 = <-e1(c, 16)
close(c)
// 17 18
// *f(), p2 = <-e1(c, 18)
*f(), p2, _ = 0, false, e1(c, 18) // delete when uncommenting above
*f(), p2 = <-e1(c, 18)
a[17] += '0'
if !p1 || p2 {
println("bad chan check", i, p1, p2)