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'use strict';
const common = require('../common');
const { finished, addAbortSignal } = require('stream');
const { ReadableStream, WritableStream } = require('stream/web');
const assert = require('assert');
function createTestReadableStream() {
return new ReadableStream({
start(controller) {
controller.enqueue('a');
controller.enqueue('b');
controller.enqueue('c');
controller.close();
}
});
}
function createTestWritableStream(values) {
return new WritableStream({
write(chunk) {
values.push(chunk);
}
});
}
{
const rs = createTestReadableStream();
const reader = rs.getReader();
const ac = new AbortController();
addAbortSignal(ac.signal, rs);
finished(rs, common.mustCall((err) => {
assert.strictEqual(err.name, 'AbortError');
assert.rejects(reader.read(), /AbortError/).then(common.mustCall());
assert.rejects(reader.closed, /AbortError/).then(common.mustCall());
}));
reader.read().then(common.mustCall((result) => {
assert.strictEqual(result.value, 'a');
ac.abort();
}));
}
{
const rs = createTestReadableStream();
const ac = new AbortController();
addAbortSignal(ac.signal, rs);
assert.rejects((async () => {
for await (const chunk of rs) {
if (chunk === 'b') {
ac.abort();
}
}
})(), /AbortError/).then(common.mustCall());
}
{
const rs1 = createTestReadableStream();
const rs2 = createTestReadableStream();
const ac = new AbortController();
addAbortSignal(ac.signal, rs1);
addAbortSignal(ac.signal, rs2);
const reader1 = rs1.getReader();
const reader2 = rs2.getReader();
finished(rs1, common.mustCall((err) => {
assert.strictEqual(err.name, 'AbortError');
assert.rejects(reader1.read(), /AbortError/).then(common.mustCall());
assert.rejects(reader1.closed, /AbortError/).then(common.mustCall());
}));
finished(rs2, common.mustCall((err) => {
assert.strictEqual(err.name, 'AbortError');
assert.rejects(reader2.read(), /AbortError/).then(common.mustCall());
assert.rejects(reader2.closed, /AbortError/).then(common.mustCall());
}));
ac.abort();
}
{
const rs = createTestReadableStream();
const { 0: rs1, 1: rs2 } = rs.tee();
const ac = new AbortController();
addAbortSignal(ac.signal, rs);
const reader1 = rs1.getReader();
const reader2 = rs2.getReader();
finished(rs1, common.mustCall((err) => {
assert.strictEqual(err.name, 'AbortError');
assert.rejects(reader1.read(), /AbortError/).then(common.mustCall());
assert.rejects(reader1.closed, /AbortError/).then(common.mustCall());
}));
finished(rs2, common.mustCall((err) => {
assert.strictEqual(err.name, 'AbortError');
assert.rejects(reader2.read(), /AbortError/).then(common.mustCall());
assert.rejects(reader2.closed, /AbortError/).then(common.mustCall());
}));
ac.abort();
}
{
const values = [];
const ws = createTestWritableStream(values);
const ac = new AbortController();
addAbortSignal(ac.signal, ws);
const writer = ws.getWriter();
finished(ws, common.mustCall((err) => {
assert.strictEqual(err.name, 'AbortError');
assert.deepStrictEqual(values, ['a']);
assert.rejects(writer.write('b'), /AbortError/).then(common.mustCall());
assert.rejects(writer.closed, /AbortError/).then(common.mustCall());
}));
writer.write('a').then(() => {
ac.abort();
});
}
{
const values = [];
const ws1 = createTestWritableStream(values);
const ws2 = createTestWritableStream(values);
const ac = new AbortController();
addAbortSignal(ac.signal, ws1);
addAbortSignal(ac.signal, ws2);
const writer1 = ws1.getWriter();
const writer2 = ws2.getWriter();
finished(ws1, common.mustCall((err) => {
assert.strictEqual(err.name, 'AbortError');
assert.rejects(writer1.write('a'), /AbortError/).then(common.mustCall());
assert.rejects(writer1.closed, /AbortError/).then(common.mustCall());
}));
finished(ws2, common.mustCall((err) => {
assert.strictEqual(err.name, 'AbortError');
assert.rejects(writer2.write('a'), /AbortError/).then(common.mustCall());
assert.rejects(writer2.closed, /AbortError/).then(common.mustCall());
}));
ac.abort();
}
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