64 lines
1.5 KiB
Rust
64 lines
1.5 KiB
Rust
//! Runtime compatibility tests for async-std
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use dagx::DagRunner;
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use crate::common::task_fn;
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struct Value(i32);
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#[dagx::task]
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impl Value {
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async fn run(&mut self) -> i32 {
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self.0
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}
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}
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struct Add;
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#[dagx::task]
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impl Add {
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async fn run(&mut self, a: &i32, b: &i32) -> i32 {
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a + b
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}
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}
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#[async_std::test]
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async fn test_basic_dag_async_std() {
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let dag = DagRunner::new();
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let x = dag.add_task(Value(2));
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let y = dag.add_task(Value(3));
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let sum = dag.add_task(Add).depends_on((&x, &y));
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dag.run(|fut| { async_std::task::spawn(fut); }).await.unwrap();
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assert_eq!(dag.get(sum).unwrap(), 5);
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}
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#[async_std::test]
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async fn test_parallel_execution_async_std() {
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let dag = DagRunner::new();
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let tasks: Vec<_> = (0..10)
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.map(|i| dag.add_task(task_fn(move |_: ()| async move { i * 2 })))
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.collect();
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dag.run(|fut| { async_std::task::spawn(fut); }).await.unwrap();
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for (i, task) in tasks.iter().enumerate() {
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assert_eq!(dag.get(task).unwrap(), i * 2);
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}
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}
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#[async_std::test]
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async fn test_complex_dependencies_async_std() {
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let dag = DagRunner::new();
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let a = dag.add_task(Value(10));
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let b = dag.add_task(Value(20));
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let sum = dag.add_task(Add).depends_on((&a, &b));
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let double = dag
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.add_task(task_fn(|x: i32| async move { x * 2 }))
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.depends_on(sum);
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dag.run(|fut| { async_std::task::spawn(fut); }).await.unwrap();
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assert_eq!(dag.get(double).unwrap(), 60);
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} |