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'use strict';
const common = require('../../common');
const assert = require('assert');
const child_process = require('child_process');
const test_async = require(`./build/${common.buildType}/test_async`);
const testException = 'test_async_cb_exception';
// Exception thrown from async completion callback.
// (Tested in a spawned process because the exception is fatal.)
if (process.argv[2] === 'child') {
test_async.Test(1, common.mustCall(function(err, val) {
throw new Error(testException);
}));
return;
}
const p = child_process.spawnSync(
process.execPath, [ '--napi-modules', __filename, 'child' ]);
assert.ifError(p.error);
assert.ok(p.stderr.toString().includes(testException));
// Successful async execution and completion callback.
test_async.Test(5, common.mustCall(function(err, val) {
assert.strictEqual(err, null);
assert.strictEqual(val, 10);
process.nextTick(common.mustCall());
}));
// Async work item cancellation with callback.
test_async.TestCancel(common.mustCall());