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Select: Make compose-friendly by taking a known number of arguments.

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This commit is contained in:
David Braun 2017-10-17 09:54:34 -04:00
parent d7355e17e1
commit 6ea2b8bafe
5 changed files with 24 additions and 22 deletions
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2
test/go/doubleselect.js
View file

@ -18,7 +18,7 @@ it(`doubleselect`, async function() {
// different channels.
const sender = async (n, c1, c2, c3, c4) => {
for (let i = 0; i < n; i++) {
await Channel.select(c1.push(i), c2.push(i), c3.push(i), c4.push(i));
await Channel.select([c1.push(i), c2.push(i), c3.push(i), c4.push(i)]);
}
c1.close();

4
test/go/select.js
View file

@ -24,11 +24,11 @@ it(`select`, async function() {
let i = 0;
do {
switch (await Channel.select(
switch (await Channel.select([
a.push(GetValue()),
b.push(GetValue()),
closed.shift()
)) {
])) {
case a:
i++;
a = Channel();

15
test/index.js
View file

@ -89,10 +89,10 @@ describe(`Channel`, function() {
await a.shift();
})();
assert.equal(await Channel.select(a.shift(), b.shift()), b);
assert.equal(await Channel.select([a.shift(), b.shift()]), b);
assert.equal(b.value, 0);
assert.equal(await a.shift(), 1);
assert.equal(await Channel.select(a.push(0), b.shift()), a);
assert.equal(await Channel.select([a.push(0), b.shift()]), a);
});
});
@ -102,7 +102,7 @@ describe(`Channel`, function() {
const nonBlocking = Channel();
nonBlocking.close();
switch (await Channel.select(a.shift(), b.push(0), nonBlocking.shift())) {
switch (await Channel.select([a.shift(), b.push(0), nonBlocking.shift()])) {
case a:
assert(false);
break;
@ -119,9 +119,12 @@ describe(`Channel`, function() {
it(`cancel`, async function() {
const channel = Channel();
Channel.select(channel.push(`cancelled`)).cancel();
Channel.select([channel.push(`cancelled`)]).cancel();
const closed = Channel.of();
assert.equal(await Channel.select(channel.shift(), closed.shift()), closed);
assert.equal(
await Channel.select([channel.shift(), closed.shift()]),
closed
);
});
});
@ -251,7 +254,7 @@ describe(`Channel object`, function() {
const channel = Channel();
return assertRejects(async () => {
await Channel.select(channel.push(undefined));
await Channel.select([channel.push(undefined)]);
}, new TypeError(`Can't push 'undefined' to channel, use close instead.`));
});
});