@@ -0,0 +1,37 @@ |
| 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 | +} |