| 1 | use std::collections::BTreeSet; |
| 2 | use std::path::PathBuf; |
| 3 | |
| 4 | use armfortas::driver::OptLevel; |
| 5 | use armfortas::testing::{capture_from_path, CaptureRequest, CapturedStage, Stage}; |
| 6 | |
| 7 | fn fixture(name: &str) -> PathBuf { |
| 8 | let path = PathBuf::from("test_programs").join(name); |
| 9 | assert!(path.exists(), "missing test fixture {}", path.display()); |
| 10 | path |
| 11 | } |
| 12 | |
| 13 | fn capture_run_stdout(request: CaptureRequest) -> String { |
| 14 | let result = capture_from_path(&request).expect("capture should succeed"); |
| 15 | match result.get(Stage::Run) { |
| 16 | Some(CapturedStage::Run(run)) => run.stdout.clone(), |
| 17 | _ => panic!("missing run stage"), |
| 18 | } |
| 19 | } |
| 20 | |
| 21 | #[test] |
| 22 | fn o2_partial_unrolls_reduction_loop_correctly_threads_accumulator() { |
| 23 | let source = fixture("loop_partial_unroll_reduction.f90"); |
| 24 | let stdout = capture_run_stdout(CaptureRequest { |
| 25 | input: source, |
| 26 | requested: BTreeSet::from([Stage::Run]), |
| 27 | opt_level: OptLevel::O2, |
| 28 | }); |
| 29 | let trimmed: Vec<&str> = stdout |
| 30 | .lines() |
| 31 | .map(|l| l.trim()) |
| 32 | .filter(|l| !l.is_empty()) |
| 33 | .collect(); |
| 34 | assert_eq!(trimmed.len(), 2, "expected 2 print lines:\n{}", stdout); |
| 35 | assert_eq!(trimmed[0], "136", "sum(i, 1..16) wrong: {:?}", trimmed[0]); |
| 36 | assert_eq!(trimmed[1], "1496", "sum(i², 1..16) wrong: {:?}", trimmed[1]); |
| 37 | } |
| 38 |