gstreamer-rs/gstreamer-net/sys/tests/abi.rs

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2022-01-12 13:40:36 +00:00
// Generated by gir (https://github.com/gtk-rs/gir @ ee37253c10af)
// from gir-files (https://github.com/gtk-rs/gir-files @ 5502d32880f5)
// from gst-gir-files (https://gitlab.freedesktop.org/gstreamer/gir-files-rs.git @ f05404723520)
// DO NOT EDIT
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use gstreamer_net_sys::*;
use std::env;
use std::error::Error;
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use std::ffi::OsString;
use std::mem::{align_of, size_of};
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use std::path::Path;
use std::process::Command;
use std::str;
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use tempfile::Builder;
static PACKAGES: &[&str] = &["gstreamer-net-1.0"];
#[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());
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// 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 })
}
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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() {
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return Err(format!("compilation command {:?} failed, {}", &cmd, status).into());
}
Ok(())
}
fn to_command(&self) -> Command {
let mut cmd = Command::new(&self.args[0]);
cmd.args(&self.args[1..]);
cmd
}
}
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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()),
}
}
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fn pkg_config_cflags(packages: &[&str]) -> Result<Vec<String>, Box<dyn Error>> {
if packages.is_empty() {
return Ok(Vec::new());
}
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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);
let out = cmd.output()?;
if !out.status.success() {
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return Err(format!("command {:?} returned {}", &cmd, out.status).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 {
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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() {
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let mut c_constants: Vec<(String, String)> = Vec::new();
for l in get_c_output("constant").unwrap().lines() {
let mut words = l.trim().split(';');
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let name = words.next().expect("Failed to parse name").to_owned();
let value = words
.next()
.and_then(|s| s.parse().ok())
.expect("Failed to parse value");
c_constants.push((name, value));
}
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: {:?}\nC: {:?}", rust_name, c_name,);
continue;
}
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if rust_value != c_value {
results.record_failed();
eprintln!(
"Constant value mismatch for {}\nRust: {:?}\nC: {:?}",
rust_name, rust_value, &c_value
);
continue;
}
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results.record_passed();
}
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results.expect_total_success();
}
#[test]
fn cross_validate_layout_with_c() {
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let mut c_layouts = Vec::new();
for l in get_c_output("layout").unwrap().lines() {
let mut words = l.trim().split(';');
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let name = words.next().expect("Failed to parse name").to_owned();
let size = words
.next()
.and_then(|s| s.parse().ok())
.expect("Failed to parse size");
let alignment = words
.next()
.and_then(|s| s.parse().ok())
.expect("Failed to parse alignment");
c_layouts.push((name, 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: {:?}\nC: {:?}", rust_name, c_name,);
continue;
}
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if rust_layout != c_layout {
results.record_failed();
eprintln!(
"Layout mismatch for {}\nRust: {:?}\nC: {:?}",
rust_name, rust_layout, &c_layout
);
continue;
}
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results.record_passed();
}
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results.expect_total_success();
}
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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 abi_cmd = Command::new(exe);
let output = abi_cmd.output()?;
if !output.status.success() {
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return Err(format!("command {:?} failed, {:?}", &abi_cmd, &output).into());
}
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Ok(String::from_utf8(output.stdout)?)
}
const RUST_LAYOUTS: &[(&str, Layout)] = &[
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(
"GstNetAddressMeta",
Layout {
size: size_of::<GstNetAddressMeta>(),
alignment: align_of::<GstNetAddressMeta>(),
},
),
(
"GstNetClientClock",
Layout {
size: size_of::<GstNetClientClock>(),
alignment: align_of::<GstNetClientClock>(),
},
),
(
"GstNetClientClockClass",
Layout {
size: size_of::<GstNetClientClockClass>(),
alignment: align_of::<GstNetClientClockClass>(),
},
),
(
"GstNetControlMessageMeta",
Layout {
size: size_of::<GstNetControlMessageMeta>(),
alignment: align_of::<GstNetControlMessageMeta>(),
},
),
(
"GstNetTimePacket",
Layout {
size: size_of::<GstNetTimePacket>(),
alignment: align_of::<GstNetTimePacket>(),
},
),
(
"GstNetTimeProvider",
Layout {
size: size_of::<GstNetTimeProvider>(),
alignment: align_of::<GstNetTimeProvider>(),
},
),
(
"GstNetTimeProviderClass",
Layout {
size: size_of::<GstNetTimeProviderClass>(),
alignment: align_of::<GstNetTimeProviderClass>(),
},
),
(
"GstNtpClock",
Layout {
size: size_of::<GstNtpClock>(),
alignment: align_of::<GstNtpClock>(),
},
),
(
"GstNtpClockClass",
Layout {
size: size_of::<GstNtpClockClass>(),
alignment: align_of::<GstNtpClockClass>(),
},
),
(
"GstPtpClock",
Layout {
size: size_of::<GstPtpClock>(),
alignment: align_of::<GstPtpClock>(),
},
),
(
"GstPtpClockClass",
Layout {
size: size_of::<GstPtpClockClass>(),
alignment: align_of::<GstPtpClockClass>(),
},
),
];
const RUST_CONSTANTS: &[(&str, &str)] = &[
("GST_NET_TIME_PACKET_SIZE", "16"),
("GST_PTP_CLOCK_ID_NONE", "18446744073709551615"),
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(
"GST_PTP_STATISTICS_BEST_MASTER_CLOCK_SELECTED",
"GstPtpStatisticsBestMasterClockSelected",
),
(
"GST_PTP_STATISTICS_NEW_DOMAIN_FOUND",
"GstPtpStatisticsNewDomainFound",
),
(
"GST_PTP_STATISTICS_PATH_DELAY_MEASURED",
"GstPtpStatisticsPathDelayMeasured",
),
(
"GST_PTP_STATISTICS_TIME_UPDATED",
"GstPtpStatisticsTimeUpdated",
),
];