273 lines
9.8 KiB
Rust
273 lines
9.8 KiB
Rust
use std::{
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fs,
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path::Path,
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process::{Command, Output},
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};
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#[test]
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fn string_array_fixture_emits_string_array_llvm_shapes() {
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let output = run_glagol(["../examples/array-string.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 string-array 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 ptr @immediate_second()")
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&& stdout.contains("define ptr @local_pick()")
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&& stdout.contains("insertvalue [3 x ptr]")
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&& stdout.contains("alloca [3 x ptr]"),
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"LLVM output did not contain the string-array shapes\nstdout:\n{}",
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stdout
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);
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assert!(
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!stdout.contains("string immediate array index")
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&& !stdout.contains("string local array index"),
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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 string_array_fixture_runs_tests_and_formats_stably() {
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let run = run_glagol(["--run-tests", "../examples/array-string.slo"]);
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assert_success_stdout(
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run,
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concat!(
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"test \"string immediate array index\" ... ok\n",
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"test \"string local array index\" ... ok\n",
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"2 test(s) passed\n",
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),
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"string-array test runner output",
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);
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let expected = fs::read_to_string("../tests/array-string.slo").expect("read fixture");
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let format = run_glagol(["--format", "../tests/array-string.slo"]);
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assert_success_stdout(format, &expected, "string-array formatter output");
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}
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#[test]
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fn string_array_fixture_prints_lowered_shape() {
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let surface = run_glagol(["--inspect-lowering=surface", "../examples/array-string.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 string-array 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("array string")
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&& surface_stdout.contains("local let words: (array string 3)"),
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"surface lowering output lost string-array 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", "../examples/array-string.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 string-array 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("fn immediate_second() -> string")
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&& checked_stdout.contains("fn local_pick() -> string")
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&& checked_stdout.contains("index : string"),
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"checked lowering output lost typed string-array 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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#[test]
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fn string_array_value_flow_fixture_emits_llvm_value_flow_and_bounds_shape() {
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let output = run_glagol(["../examples/array-string-value-flow.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 string-array value-flow 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 [3 x ptr] @make_words(ptr %head)")
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&& stdout.contains("define ptr @at([3 x ptr] %values, i32 %i)")
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&& stdout.contains("define [3 x ptr] @echo([3 x ptr] %values)")
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&& stdout.contains("call void @__glagol_array_bounds_trap()")
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&& stdout.contains("array.index.trap")
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&& stdout.contains("getelementptr inbounds [3 x ptr]"),
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"LLVM output did not contain expected string-array value-flow shape\nstdout:\n{}",
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stdout
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);
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let dynamic_index_function =
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llvm_function(&stdout, "define ptr @at([3 x ptr] %values, i32 %i)");
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assert_contains_in_order(
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dynamic_index_function,
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&[
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"icmp sge i32 %i, 0",
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"icmp slt i32 %i, 3",
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"array.index.trap",
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"call void @__glagol_array_bounds_trap()",
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"array.index.ok",
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"getelementptr inbounds [3 x ptr]",
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"load ptr, ptr %",
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],
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"LLVM output did not emit bounds-check shape before string-array indexing",
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);
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assert!(
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!stdout.contains("string array local call value flow")
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&& !stdout.contains("string array dynamic index"),
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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 string_array_value_flow_fixture_runs_tests_and_formats_stably() {
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let run = run_glagol(["--run-tests", "../examples/array-string-value-flow.slo"]);
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assert_success_stdout(
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run,
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concat!(
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"test \"string array parameter value flow\" ... ok\n",
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"test \"string array dynamic index\" ... ok\n",
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"test \"string array local call value flow\" ... ok\n",
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"test \"string array parameter local copy\" ... ok\n",
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"test \"string array return call value flow\" ... ok\n",
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"5 test(s) passed\n",
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),
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"string-array value-flow test runner output",
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);
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let expected =
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fs::read_to_string("../tests/array-string-value-flow.slo").expect("read fixture");
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let format = run_glagol(["--format", "../tests/array-string-value-flow.slo"]);
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assert_success_stdout(
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format,
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&expected,
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"string-array value-flow formatter output",
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);
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}
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#[test]
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fn string_array_value_flow_fixture_prints_lowered_shape() {
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let surface = run_glagol([
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"--inspect-lowering=surface",
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"../examples/array-string-value-flow.slo",
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]);
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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 string-array value-flow 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("fn make_words(head: string) -> (array string 3)")
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&& surface_stdout.contains("fn at(values: (array string 3), i: i32) -> string")
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&& surface_stdout.contains("fn echo(values: (array string 3)) -> (array string 3)")
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&& surface_stdout.contains("local let copy: (array string 3)"),
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"surface lowering output lost string-array value-flow 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([
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"--inspect-lowering=checked",
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"../examples/array-string-value-flow.slo",
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]);
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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 string-array value-flow 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("fn make_words(head: string) -> (array string 3)")
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&& checked_stdout.contains("fn at(values: (array string 3), i: i32) -> string")
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&& checked_stdout.contains("fn echo(values: (array string 3)) -> (array string 3)")
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&& checked_stdout.contains("call make_words : (array string 3)")
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&& checked_stdout.contains("index : string"),
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"checked lowering output lost typed string-array value-flow 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]) -> 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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fn assert_success_stdout(output: Output, expected: &str, context: &str) {
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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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"{} failed\nstdout:\n{}\nstderr:\n{}",
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context,
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stdout,
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stderr
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);
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assert_eq!(stdout, expected, "{} drifted", context);
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assert!(stderr.is_empty(), "{} wrote stderr:\n{}", context, stderr);
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}
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fn llvm_function<'a>(source: &'a str, signature: &str) -> &'a str {
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let start = source
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.find(signature)
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.unwrap_or_else(|| panic!("LLVM output omitted `{}`\nstdout:\n{}", signature, source));
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let tail = &source[start..];
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let end = tail.find("\n}\n").unwrap_or_else(|| {
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panic!(
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"LLVM function `{}` was not closed\nstdout:\n{}",
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signature, source
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)
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});
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&tail[..end + "\n}\n".len()]
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}
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fn assert_contains_in_order(source: &str, needles: &[&str], message: &str) {
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let mut cursor = 0;
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for needle in needles {
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let relative = source[cursor..]
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.find(needle)
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.unwrap_or_else(|| panic!("{}\nmissing `{}`\nsource:\n{}", message, needle, source));
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cursor += relative + needle.len();
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}
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}
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