module main

import os
import dl

const (
    vexe              = os.real_path(os.getenv('VEXE'))
    cfolder           = os.dir(@FILE)
    so_ext            = dl.dl_ext
    library_file_name = os.join_path(cfolder, dl.get_libname('library'))
)

fn test_vexe() {
    // dump(vexe)
    assert vexe != ''
    // dump(os.executable())
    // dump(@FILE)
    // dump(cfolder)
    // dump(so_ext)
    // dump(library_file_name)
}

fn test_can_compile_library() {
    os.chdir(cfolder) or {}
    os.rm(library_file_name) or {}
    v_compile('-d no_backtrace -o library -shared modules/library/library.v')
    assert os.is_file(library_file_name)
}

fn test_can_compile_main_program() {
    os.chdir(cfolder) or {}
    assert os.is_file(library_file_name)
    result := v_compile('run use.v')
    // dump(result)
    assert result.output.contains('res: 4')
    os.rm(library_file_name) or {}
}

fn test_can_compile_and_use_library_with_skip_unused() {
    os.chdir(cfolder) or {}
    os.rm(library_file_name) or {}
    v_compile('-skip-unused -d no_backtrace -o library -shared modules/library/library.v')
    assert os.is_file(library_file_name)
    result := v_compile('run use.v')
    assert result.output.contains('res: 4')
    os.rm(library_file_name) or {}
}

fn v_compile(vopts string) os.Result {
    cmd := '${os.quoted_path(vexe)} -showcc ${vopts}'
    // dump(cmd)
    res := os.execute_or_exit(cmd)
    // dump(res)
    assert res.exit_code == 0
    return res
}