libbismuth-sys 0.5.0

// Generated by gir (https://github.com/gtk-rs/gir @ 5c4134d75fd1)
// from 
// from gir-files (https://github.com/gtk-rs/gir-files.git @ fa73af2178bc)
// DO NOT EDIT

#![cfg(unix)]

use libbismuth_sys::*;
use std::mem::{align_of, size_of};
use std::env;
use std::error::Error;
use std::ffi::OsString;
use std::path::Path;
use std::process::{Command, Stdio};
use std::str;
use tempfile::Builder;

static PACKAGES: &[&str] = &["libbismuth-1"];

#[derive(Clone, Debug)]
struct Compiler {
    pub args: Vec<String>,
}

impl Compiler {
    pub fn new() -> Result<Self, Box<dyn Error>> {
        let mut args = get_var("CC", "cc")?;
        args.push("-Wno-deprecated-declarations".to_owned());
        // For _Generic
        args.push("-std=c11".to_owned());
        // For %z support in printf when using MinGW.
        args.push("-D__USE_MINGW_ANSI_STDIO".to_owned());
        args.extend(get_var("CFLAGS", "")?);
        args.extend(get_var("CPPFLAGS", "")?);
        args.extend(pkg_config_cflags(PACKAGES)?);
        Ok(Self { args })
    }

    pub fn compile(&self, src: &Path, out: &Path) -> Result<(), Box<dyn Error>> {
        let mut cmd = self.to_command();
        cmd.arg(src);
        cmd.arg("-o");
        cmd.arg(out);
        let status = cmd.spawn()?.wait()?;
        if !status.success() {
            return Err(format!("compilation command {cmd:?} failed, {status}").into());
        }
        Ok(())
    }

    fn to_command(&self) -> Command {
        let mut cmd = Command::new(&self.args[0]);
        cmd.args(&self.args[1..]);
        cmd
    }
}

fn get_var(name: &str, default: &str) -> Result<Vec<String>, Box<dyn Error>> {
    match env::var(name) {
        Ok(value) => Ok(shell_words::split(&value)?),
        Err(env::VarError::NotPresent) => Ok(shell_words::split(default)?),
        Err(err) => Err(format!("{name} {err}").into()),
    }
}

fn pkg_config_cflags(packages: &[&str]) -> Result<Vec<String>, Box<dyn Error>> {
    if packages.is_empty() {
        return Ok(Vec::new());
    }
    let pkg_config = env::var_os("PKG_CONFIG")
        .unwrap_or_else(|| OsString::from("pkg-config"));
    let mut cmd = Command::new(pkg_config);
    cmd.arg("--cflags");
    cmd.args(packages);
    cmd.stderr(Stdio::inherit());
    let out = cmd.output()?;
    if !out.status.success() {
        let (status, stdout) = (out.status, String::from_utf8_lossy(&out.stdout));
        return Err(format!("command {cmd:?} failed, {status:?}\nstdout: {stdout}").into());
    }
    let stdout = str::from_utf8(&out.stdout)?;
    Ok(shell_words::split(stdout.trim())?)
}


#[derive(Copy, Clone, Debug, Eq, PartialEq)]
struct Layout {
    size: usize,
    alignment: usize,
}

#[derive(Copy, Clone, Debug, Default, Eq, PartialEq)]
struct Results {
    /// Number of successfully completed tests.
    passed: usize,
    /// Total number of failed tests (including those that failed to compile).
    failed: usize,
}

impl Results {
    fn record_passed(&mut self) {
        self.passed += 1;
    }
    fn record_failed(&mut self) {
        self.failed += 1;
    }
    fn summary(&self) -> String {
        format!("{} passed; {} failed", self.passed, self.failed)
    }
    fn expect_total_success(&self) {
        if self.failed == 0 {
            println!("OK: {}", self.summary());
        } else {
            panic!("FAILED: {}", self.summary());
        };
    }
}

#[test]
fn cross_validate_constants_with_c() {
    let mut c_constants: Vec<(String, String)> = Vec::new();

    for l in get_c_output("constant").unwrap().lines() {
        let (name, value) = l.split_once(';').expect("Missing ';' separator");
        c_constants.push((name.to_owned(), value.to_owned()));
    }

    let mut results = Results::default();

    for ((rust_name, rust_value), (c_name, c_value)) in
        RUST_CONSTANTS.iter().zip(c_constants.iter())
    {
        if rust_name != c_name {
            results.record_failed();
            eprintln!("Name mismatch:\nRust: {rust_name:?}\nC:    {c_name:?}");
            continue;
        }

        if rust_value != c_value {
            results.record_failed();
            eprintln!(
                "Constant value mismatch for {rust_name}\nRust: {rust_value:?}\nC:    {c_value:?}",
            );
            continue;
        }

        results.record_passed();
    }

    results.expect_total_success();
}

#[test]
fn cross_validate_layout_with_c() {
    let mut c_layouts = Vec::new();

    for l in get_c_output("layout").unwrap().lines() {
        let (name, value) = l.split_once(';').expect("Missing first ';' separator");
        let (size, alignment) = value.split_once(';').expect("Missing second ';' separator");
        let size = size.parse().expect("Failed to parse size");
        let alignment = alignment.parse().expect("Failed to parse alignment");
        c_layouts.push((name.to_owned(), Layout { size, alignment }));
    }

    let mut results = Results::default();

    for ((rust_name, rust_layout), (c_name, c_layout)) in
        RUST_LAYOUTS.iter().zip(c_layouts.iter())
    {
        if rust_name != c_name {
            results.record_failed();
            eprintln!("Name mismatch:\nRust: {rust_name:?}\nC:    {c_name:?}");
            continue;
        }

        if rust_layout != c_layout {
            results.record_failed();
            eprintln!(
                "Layout mismatch for {rust_name}\nRust: {rust_layout:?}\nC:    {c_layout:?}",
            );
            continue;
        }

        results.record_passed();
    }

    results.expect_total_success();
}

fn get_c_output(name: &str) -> Result<String, Box<dyn Error>> {
    let tmpdir = Builder::new().prefix("abi").tempdir()?;
    let exe = tmpdir.path().join(name);
    let c_file = Path::new("tests").join(name).with_extension("c");

    let cc = Compiler::new().expect("configured compiler");
    cc.compile(&c_file, &exe)?;

    let mut cmd = Command::new(exe);
    cmd.stderr(Stdio::inherit());
    let out = cmd.output()?;
    if !out.status.success() {
        let (status, stdout) = (out.status, String::from_utf8_lossy(&out.stdout));
        return Err(format!("command {cmd:?} failed, {status:?}\nstdout: {stdout}").into());
    }

    Ok(String::from_utf8(out.stdout)?)
}

const RUST_LAYOUTS: &[(&str, Layout)] = &[
    ("BisAlbumClass", Layout {size: size_of::<BisAlbumClass>(), alignment: align_of::<BisAlbumClass>()}),
    ("BisAlbumPageClass", Layout {size: size_of::<BisAlbumPageClass>(), alignment: align_of::<BisAlbumPageClass>()}),
    ("BisAlbumTransitionType", Layout {size: size_of::<BisAlbumTransitionType>(), alignment: align_of::<BisAlbumTransitionType>()}),
    ("BisAnimation", Layout {size: size_of::<BisAnimation>(), alignment: align_of::<BisAnimation>()}),
    ("BisAnimationState", Layout {size: size_of::<BisAnimationState>(), alignment: align_of::<BisAnimationState>()}),
    ("BisBin", Layout {size: size_of::<BisBin>(), alignment: align_of::<BisBin>()}),
    ("BisBinClass", Layout {size: size_of::<BisBinClass>(), alignment: align_of::<BisBinClass>()}),
    ("BisCarouselClass", Layout {size: size_of::<BisCarouselClass>(), alignment: align_of::<BisCarouselClass>()}),
    ("BisCarouselIndicatorDotsClass", Layout {size: size_of::<BisCarouselIndicatorDotsClass>(), alignment: align_of::<BisCarouselIndicatorDotsClass>()}),
    ("BisCarouselIndicatorLinesClass", Layout {size: size_of::<BisCarouselIndicatorLinesClass>(), alignment: align_of::<BisCarouselIndicatorLinesClass>()}),
    ("BisEasing", Layout {size: size_of::<BisEasing>(), alignment: align_of::<BisEasing>()}),
    ("BisEnumListItemClass", Layout {size: size_of::<BisEnumListItemClass>(), alignment: align_of::<BisEnumListItemClass>()}),
    ("BisEnumListModelClass", Layout {size: size_of::<BisEnumListModelClass>(), alignment: align_of::<BisEnumListModelClass>()}),
    ("BisFoldThresholdPolicy", Layout {size: size_of::<BisFoldThresholdPolicy>(), alignment: align_of::<BisFoldThresholdPolicy>()}),
    ("BisHuggerClass", Layout {size: size_of::<BisHuggerClass>(), alignment: align_of::<BisHuggerClass>()}),
    ("BisHuggerPageClass", Layout {size: size_of::<BisHuggerPageClass>(), alignment: align_of::<BisHuggerPageClass>()}),
    ("BisHuggerTransitionType", Layout {size: size_of::<BisHuggerTransitionType>(), alignment: align_of::<BisHuggerTransitionType>()}),
    ("BisLapelClass", Layout {size: size_of::<BisLapelClass>(), alignment: align_of::<BisLapelClass>()}),
    ("BisLapelFoldPolicy", Layout {size: size_of::<BisLapelFoldPolicy>(), alignment: align_of::<BisLapelFoldPolicy>()}),
    ("BisLapelTransitionType", Layout {size: size_of::<BisLapelTransitionType>(), alignment: align_of::<BisLapelTransitionType>()}),
    ("BisLatchClass", Layout {size: size_of::<BisLatchClass>(), alignment: align_of::<BisLatchClass>()}),
    ("BisLatchLayoutClass", Layout {size: size_of::<BisLatchLayoutClass>(), alignment: align_of::<BisLatchLayoutClass>()}),
    ("BisLatchScrollableClass", Layout {size: size_of::<BisLatchScrollableClass>(), alignment: align_of::<BisLatchScrollableClass>()}),
    ("BisNavigationDirection", Layout {size: size_of::<BisNavigationDirection>(), alignment: align_of::<BisNavigationDirection>()}),
    ("BisSwipeTrackerClass", Layout {size: size_of::<BisSwipeTrackerClass>(), alignment: align_of::<BisSwipeTrackerClass>()}),
    ("BisSwipeableInterface", Layout {size: size_of::<BisSwipeableInterface>(), alignment: align_of::<BisSwipeableInterface>()}),
];

const RUST_CONSTANTS: &[(&str, &str)] = &[
    ("(gint) BIS_ALBUM_TRANSITION_TYPE_OVER", "0"),
    ("(gint) BIS_ALBUM_TRANSITION_TYPE_SLIDE", "2"),
    ("(gint) BIS_ALBUM_TRANSITION_TYPE_UNDER", "1"),
    ("(gint) BIS_ANIMATION_FINISHED", "3"),
    ("(gint) BIS_ANIMATION_IDLE", "0"),
    ("(gint) BIS_ANIMATION_PAUSED", "1"),
    ("(gint) BIS_ANIMATION_PLAYING", "2"),
    ("BIS_DURATION_INFINITE", "4294967295"),
    ("(gint) BIS_EASE_IN_BACK", "25"),
    ("(gint) BIS_EASE_IN_BOUNCE", "28"),
    ("(gint) BIS_EASE_IN_CIRC", "19"),
    ("(gint) BIS_EASE_IN_CUBIC", "4"),
    ("(gint) BIS_EASE_IN_ELASTIC", "22"),
    ("(gint) BIS_EASE_IN_EXPO", "16"),
    ("(gint) BIS_EASE_IN_OUT_BACK", "27"),
    ("(gint) BIS_EASE_IN_OUT_BOUNCE", "30"),
    ("(gint) BIS_EASE_IN_OUT_CIRC", "21"),
    ("(gint) BIS_EASE_IN_OUT_CUBIC", "6"),
    ("(gint) BIS_EASE_IN_OUT_ELASTIC", "24"),
    ("(gint) BIS_EASE_IN_OUT_EXPO", "18"),
    ("(gint) BIS_EASE_IN_OUT_QUAD", "3"),
    ("(gint) BIS_EASE_IN_OUT_QUART", "9"),
    ("(gint) BIS_EASE_IN_OUT_QUINT", "12"),
    ("(gint) BIS_EASE_IN_OUT_SINE", "15"),
    ("(gint) BIS_EASE_IN_QUAD", "1"),
    ("(gint) BIS_EASE_IN_QUART", "7"),
    ("(gint) BIS_EASE_IN_QUINT", "10"),
    ("(gint) BIS_EASE_IN_SINE", "13"),
    ("(gint) BIS_EASE_OUT_BACK", "26"),
    ("(gint) BIS_EASE_OUT_BOUNCE", "29"),
    ("(gint) BIS_EASE_OUT_CIRC", "20"),
    ("(gint) BIS_EASE_OUT_CUBIC", "5"),
    ("(gint) BIS_EASE_OUT_ELASTIC", "23"),
    ("(gint) BIS_EASE_OUT_EXPO", "17"),
    ("(gint) BIS_EASE_OUT_QUAD", "2"),
    ("(gint) BIS_EASE_OUT_QUART", "8"),
    ("(gint) BIS_EASE_OUT_QUINT", "11"),
    ("(gint) BIS_EASE_OUT_SINE", "14"),
    ("(gint) BIS_FOLD_THRESHOLD_POLICY_MINIMUM", "0"),
    ("(gint) BIS_FOLD_THRESHOLD_POLICY_NATURAL", "1"),
    ("(gint) BIS_HUGGER_TRANSITION_TYPE_CROSSFADE", "1"),
    ("(gint) BIS_HUGGER_TRANSITION_TYPE_NONE", "0"),
    ("(gint) BIS_LAPEL_FOLD_POLICY_ALWAYS", "1"),
    ("(gint) BIS_LAPEL_FOLD_POLICY_AUTO", "2"),
    ("(gint) BIS_LAPEL_FOLD_POLICY_NEVER", "0"),
    ("(gint) BIS_LAPEL_TRANSITION_TYPE_OVER", "0"),
    ("(gint) BIS_LAPEL_TRANSITION_TYPE_SLIDE", "2"),
    ("(gint) BIS_LAPEL_TRANSITION_TYPE_UNDER", "1"),
    ("(gint) BIS_LINEAR", "0"),
    ("BIS_MAJOR_VERSION", "1"),
    ("BIS_MICRO_VERSION", "0"),
    ("BIS_MINOR_VERSION", "0"),
    ("(gint) BIS_NAVIGATION_DIRECTION_BACK", "0"),
    ("(gint) BIS_NAVIGATION_DIRECTION_FORWARD", "1"),
    ("BIS_VERSION_S", "1.0.0"),
];