vyre-libs 0.6.2

use super::gpu_comment_strip_mask::*;

#[test]
fn op_id_is_canonical_and_stable() {
    assert_eq!(
        OP_ID,
        "vyre-libs::parsing::c::preprocess::gpu_comment_strip_mask"
    );
}

#[test]
fn binding_indices_are_canonical_and_stable() {
    assert_eq!(BINDING_BYTES_IN, 0);
    assert_eq!(BINDING_COMMENT_MASK_OUT, 1);
}

#[test]
fn build_program_returns_well_formed_program() {
    let p = gpu_comment_strip_mask(64);
    assert_eq!(p.buffers().len(), 2);
    assert_eq!(p.workgroup_size(), [1, 1, 1]);
}

#[test]
fn cpu_no_comment_returns_all_zero() {
    assert_eq!(reference_gpu_comment_strip_mask(b"int x = 1;"), vec![0; 10]);
}

#[test]
fn cpu_line_comment_to_eol() {
    // First slash becomes a replacement space, rest drops, newline stays.
    assert_eq!(
        reference_gpu_comment_strip_mask(b"//foo\nx"),
        vec![2, 1, 1, 1, 1, 0, 0]
    );
}

#[test]
fn cpu_line_comment_respects_spliced_newline() {
    assert_eq!(
        reference_gpu_comment_strip_mask(b"//a\\\nb\nx"),
        vec![2, 1, 1, 1, 1, 1, 0, 0]
    );
}

#[test]
fn cpu_line_comment_respects_spliced_crlf() {
    assert_eq!(
        reference_gpu_comment_strip_mask(b"//a\\\r\nb\r\nx"),
        vec![2, 1, 1, 1, 1, 1, 1, 0, 0, 0]
    );
}

#[test]
fn cpu_block_comment_inline() {
    assert_eq!(
        reference_gpu_comment_strip_mask(b"/*x*/"),
        vec![2, 1, 1, 1, 1]
    );
}

#[test]
fn cpu_block_comment_with_code_around() {
    let src = b"a/*c*/b";
    // a=code, /*c*/=comment, b=code.
    assert_eq!(
        reference_gpu_comment_strip_mask(src),
        vec![0, 2, 1, 1, 1, 1, 0]
    );
}

#[test]
fn cpu_comment_replacement_prevents_token_concatenation() {
    let src = b"a/**/b";
    assert_eq!(
        reference_gpu_comment_strip_mask(src),
        vec![0, 2, 1, 1, 1, 0]
    );
}

#[test]
fn cpu_spliced_block_comment_open_is_comment() {
    let src = b"a/\\\n*b*/c";
    assert_eq!(
        reference_gpu_comment_strip_mask(src),
        vec![0, 2, 1, 1, 1, 1, 1, 1, 0]
    );
}

#[test]
fn cpu_spliced_crlf_block_comment_open_is_comment() {
    let src = b"a/\\\r\n*b*/c";
    assert_eq!(
        reference_gpu_comment_strip_mask(src),
        vec![0, 2, 1, 1, 1, 1, 1, 1, 1, 0]
    );
}

#[test]
fn cpu_spliced_line_comment_open_is_comment() {
    let src = b"a/\\\n/b\nx";
    assert_eq!(
        reference_gpu_comment_strip_mask(src),
        vec![0, 2, 1, 1, 1, 1, 0, 0]
    );
}

#[test]
fn cpu_spliced_block_comment_close_is_comment() {
    let src = b"a/*b*\\\n/c";
    assert_eq!(
        reference_gpu_comment_strip_mask(src),
        vec![0, 2, 1, 1, 1, 1, 1, 1, 0]
    );
}

#[test]
fn cpu_spliced_crlf_block_comment_close_is_comment() {
    let src = b"a/*b*\\\r\n/c";
    assert_eq!(
        reference_gpu_comment_strip_mask(src),
        vec![0, 2, 1, 1, 1, 1, 1, 1, 1, 0]
    );
}

#[test]
fn cpu_unterminated_block_comment_runs_to_eof() {
    let src = b"a/*xyz";
    assert_eq!(
        reference_gpu_comment_strip_mask(src),
        vec![0, 2, 1, 1, 1, 1]
    );
}

#[test]
fn cpu_lone_slash_is_code() {
    let src = b"a/b";
    assert_eq!(reference_gpu_comment_strip_mask(src), vec![0, 0, 0]);
}

#[test]
fn cpu_block_inside_string_is_not_comment() {
    let src = b"\"/* */\"";
    assert_eq!(reference_gpu_comment_strip_mask(src), vec![0; src.len()]);
}

#[test]
fn cpu_line_comment_inside_char_is_not_comment() {
    let src = b"'//' x";
    assert_eq!(reference_gpu_comment_strip_mask(src), vec![0; src.len()]);
}

#[test]
fn cpu_block_comment_inside_char_is_not_comment() {
    let src = b"'/*' x";
    assert_eq!(reference_gpu_comment_strip_mask(src), vec![0; src.len()]);
}