128 lines
4.1 KiB
Rust
128 lines
4.1 KiB
Rust
use std::{fs, path::Path, process::Command};
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#[test]
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fn while_fixture_emits_llvm_loop_shape() {
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let output = run_glagol(["../tests/while.slo"]);
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let stdout = String::from_utf8_lossy(&output.stdout);
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let stderr = String::from_utf8_lossy(&output.stderr);
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assert!(
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output.status.success(),
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"compiler rejected while fixture\nstdout:\n{}\nstderr:\n{}",
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stdout,
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stderr
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);
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assert!(
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stdout.contains("define i32 @count_to(i32 %limit)")
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&& stdout.contains("while.cond")
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&& stdout.contains("while.body")
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&& stdout.contains("while.end")
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&& stdout.contains("br i1")
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&& stdout.contains("br label %while.cond"),
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"LLVM output did not contain expected while loop shape\nstdout:\n{}",
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stdout
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);
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assert!(
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!stdout.contains("while counts"),
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"compiler emitted test metadata into LLVM output\nstdout:\n{}",
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stdout
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);
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assert!(stderr.is_empty(), "compiler wrote stderr:\n{}", stderr);
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}
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#[test]
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fn while_fixture_runs_top_level_tests() {
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let output = run_glagol(["--run-tests", "../tests/while.slo"]);
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let stdout = String::from_utf8_lossy(&output.stdout);
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let stderr = String::from_utf8_lossy(&output.stderr);
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assert!(
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output.status.success(),
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"test runner rejected while fixture\nstdout:\n{}\nstderr:\n{}",
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stdout,
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stderr
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);
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assert_eq!(
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stdout,
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concat!(
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"test \"while counts\" ... ok\n",
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"test \"while false skips\" ... ok\n",
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"2 test(s) passed\n",
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),
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"test runner output drifted"
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);
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assert!(stderr.is_empty(), "test runner wrote stderr:\n{}", stderr);
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}
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#[test]
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fn while_fixture_is_formatter_stable() {
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let expected = fs::read_to_string("../tests/while.slo").expect("read fixture");
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let output = run_glagol(["--format", "../tests/while.slo"]);
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let stdout = String::from_utf8_lossy(&output.stdout);
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let stderr = String::from_utf8_lossy(&output.stderr);
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assert!(
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output.status.success(),
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"formatter rejected while fixture\nstdout:\n{}\nstderr:\n{}",
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stdout,
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stderr
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);
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assert_eq!(stdout, expected, "formatter output drifted");
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assert!(stderr.is_empty(), "formatter wrote stderr:\n{}", stderr);
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}
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#[test]
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fn while_fixture_prints_lowered_shape() {
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let surface = run_glagol(["--inspect-lowering=surface", "../tests/while.slo"]);
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let surface_stdout = String::from_utf8_lossy(&surface.stdout);
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let surface_stderr = String::from_utf8_lossy(&surface.stderr);
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assert!(
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surface.status.success(),
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"surface lowering rejected while fixture\nstdout:\n{}\nstderr:\n{}",
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surface_stdout,
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surface_stderr
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);
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assert!(
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surface_stdout.contains("while\n")
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&& surface_stdout.contains("binary <")
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&& surface_stdout.contains("set i"),
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"surface lowering output lost while shape\nstdout:\n{}",
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surface_stdout
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);
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assert!(
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surface_stderr.is_empty(),
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"surface lowering wrote stderr:\n{}",
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surface_stderr
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);
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let checked = run_glagol(["--inspect-lowering=checked", "../tests/while.slo"]);
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let checked_stdout = String::from_utf8_lossy(&checked.stdout);
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let checked_stderr = String::from_utf8_lossy(&checked.stderr);
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assert!(
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checked.status.success(),
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"checked lowering rejected while fixture\nstdout:\n{}\nstderr:\n{}",
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checked_stdout,
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checked_stderr
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);
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assert!(
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checked_stdout.contains("while : unit")
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&& checked_stdout.contains("binary < : bool")
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&& checked_stdout.contains("set i : unit"),
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"checked lowering output lost typed while shape\nstdout:\n{}",
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checked_stdout
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);
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assert!(
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checked_stderr.is_empty(),
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"checked lowering wrote stderr:\n{}",
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checked_stderr
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);
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}
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fn run_glagol<const N: usize>(args: [&str; N]) -> std::process::Output {
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Command::new(env!("CARGO_BIN_EXE_glagol"))
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.args(args)
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.current_dir(Path::new(env!("CARGO_MANIFEST_DIR")))
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.output()
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.expect("run glagol")
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}
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