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describe('assert.async', function() {

it('allows for asynchronous assertions', async function() {

let val = false;

setTimeout(() => { val = true; });

await assert.async.isTrue(val);

});

it('allows for setting the timeout', async function() {

let val = false;

setTimeout(() => { val = true; }, 100);

let caught = false;

try {

await assert.async(50).isTrue(val);

} catch (err) {

caught = true;

}

assert.isTrue(caught);

});

it('retains the assertion message and adds the timeout', async function() {

let val = false;

setTimeout(() => { val = true; }, 100);

let caught = null;

try {

await assert.async(50).isTrue(val);

} catch (err) {

caught = err;

}

assert.match(caught.message, /^async\(50ms\):/);

assert.match(caught.message, /assert\.isTrue\(val\)/);

assert.match(caught.message, /false.*true/);

});

it('includes the assert line in the exception, even for non-async assertions', function() {

let caught = null;

try {

assert.equal(1, 2);

} catch (err) {

caught = err;

}

assert.match(caught.message, /assert\.equal\(1, 2\)/);

});

});