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test_inline_await.js
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test_inline_await.js
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async function delayed(val) {
return val;
}
function add(a, b, c) {
return a + b + c;
}
async function run() {
// 1: basic inline await in call args
console.log('=== Test 1: inline await in call args ===');
const r1 = add(await delayed(1), 2, 3);
console.log(r1 === 6 ? '✓' : '✗', 'add(await delayed(1), 2, 3) =', r1);
// 2: multiple inline awaits
console.log('\n=== Test 2: multiple inline awaits ===');
const r2 = add(await delayed(10), await delayed(20), await delayed(30));
console.log(r2 === 60 ? '✓' : '✗', 'add(await, await, await) =', r2);
// 3: inline await as method call arg
console.log('\n=== Test 3: method call with inline await ===');
const obj = { greet(name) { return 'hello ' + name; } };
const r3 = obj.greet(await delayed('world'));
console.log(r3 === 'hello world' ? '✓' : '✗', 'obj.greet(await) =', r3);
// 4: chained property method with inline await
console.log('\n=== Test 4: chained method with inline await ===');
const nested = { inner: { say(msg) { return 'said: ' + msg; } } };
const r4 = nested.inner.say(await delayed('hi'));
console.log(r4 === 'said: hi' ? '✓' : '✗', 'nested.inner.say(await) =', r4);
// 5: inline await with async fs (the real-world case)
console.log('\n=== Test 5: console.log with inline await ===');
console.log('value:', await delayed(42));
// 6: array push with inline await
console.log('\n=== Test 6: array method with inline await ===');
const arr = [1, 2];
arr.push(await delayed(3));
console.log(arr.length === 3 && arr[2] === 3 ? '✓' : '✗', 'arr.push(await) =', arr);
// 7: inline await with real fs stream
console.log('\n=== Test 7: inline await stream (real fs) ===');
const { stream } = await import('ant:fs');
const file = import.meta.dirname + '/test_inline_await.js';
const data = await stream(file);
console.log(data.length > 0 ? '✓' : '✗', 'assigned await stream:', data.length, 'bytes');
// 8: inline await stream as function arg
console.log('\n=== Test 8: fn(await stream(...)) ===');
function getLen(s) { return s.length; }
const r8 = getLen(await stream(file));
console.log(r8 > 0 ? '✓' : '✗', 'getLen(await stream()) =', r8);
// 9: inline await stream as method arg
console.log('\n=== Test 9: obj.method(await stream(...)) ===');
const helper = { size(s) { return s.length; } };
const r9 = helper.size(await stream(file));
console.log(r9 > 0 ? '✓' : '✗', 'helper.size(await stream()) =', r9);
// 10: chained method with inline await stream
console.log('\n=== Test 10: a.b.method(await stream(...)) ===');
const deep = { util: { size(s) { return s.length; } } };
const r10 = deep.util.size(await stream(file));
console.log(r10 > 0 ? '✓' : '✗', 'deep.util.size(await stream()) =', r10);
console.log('\n✓ done');
}
run();

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