diff options
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/abi.rs | 249 | ||||
| -rw-r--r-- | tests/constant.c | 27 | ||||
| -rw-r--r-- | tests/layout.c | 12 | ||||
| -rw-r--r-- | tests/manual.h | 2 |
4 files changed, 290 insertions, 0 deletions
diff --git a/tests/abi.rs b/tests/abi.rs new file mode 100644 index 0000000..05e7f5a --- /dev/null +++ b/tests/abi.rs @@ -0,0 +1,249 @@ +// This file was generated by gir (https://github.com/gtk-rs/gir) +// from gir-files (https://github.com/gtk-rs/gir-files) +// DO NOT EDIT + +extern crate gssdp_sys; +extern crate shell_words; +extern crate tempdir; +use std::env; +use std::error::Error; +use std::path::Path; +use std::mem::{align_of, size_of}; +use std::process::Command; +use std::str; +use gssdp_sys::*; + +static PACKAGES: &[&str] = &["gssdp-1.0"]; + +#[derive(Clone, Debug)] +struct Compiler { + pub args: Vec<String>, +} + +impl Compiler { + pub fn new() -> Result<Compiler, Box<Error>> { + let mut args = get_var("CC", "cc")?; + args.push("-Wno-deprecated-declarations".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(Compiler { args }) + } + + pub fn define<'a, V: Into<Option<&'a str>>>(&mut self, var: &str, val: V) { + let arg = match val.into() { + None => format!("-D{}", var), + Some(val) => format!("-D{}={}", var, val), + }; + self.args.push(arg); + } + + pub fn compile(&self, src: &Path, out: &Path) -> Result<(), Box<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 {:?} failed, {}", + &cmd, 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<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<Error>> { + if packages.is_empty() { + return Ok(Vec::new()); + } + let mut cmd = Command::new("pkg-config"); + cmd.arg("--cflags"); + cmd.args(packages); + let out = cmd.output()?; + if !out.status.success() { + 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, + /// Number of tests that failed to compile. + failed_to_compile: usize, +} + +impl Results { + fn record_passed(&mut self) { + self.passed += 1; + } + fn record_failed(&mut self) { + self.failed += 1; + } + fn record_failed_to_compile(&mut self) { + self.failed += 1; + self.failed_to_compile += 1; + } + fn summary(&self) -> String { + format!( + "{} passed; {} failed (compilation errors: {})", + self.passed, + self.failed, + self.failed_to_compile) + } + 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 tmpdir = tempdir::TempDir::new("abi").expect("temporary directory"); + let cc = Compiler::new().expect("configured compiler"); + + assert_eq!("1", + get_c_value(tmpdir.path(), &cc, "1").expect("C constant"), + "failed to obtain correct constant value for 1"); + + let mut results : Results = Default::default(); + for (i, &(name, rust_value)) in RUST_CONSTANTS.iter().enumerate() { + match get_c_value(tmpdir.path(), &cc, name) { + Err(e) => { + results.record_failed_to_compile(); + eprintln!("{}", e); + }, + Ok(ref c_value) => { + if rust_value == c_value { + results.record_passed(); + } else { + results.record_failed(); + eprintln!("Constant value mismatch for {}\nRust: {:?}\nC: {:?}", + name, rust_value, c_value); + } + } + }; + if (i + 1) % 25 == 0 { + println!("constants ... {}", results.summary()); + } + } + results.expect_total_success(); +} + +#[test] +fn cross_validate_layout_with_c() { + let tmpdir = tempdir::TempDir::new("abi").expect("temporary directory"); + let cc = Compiler::new().expect("configured compiler"); + + assert_eq!(Layout {size: 1, alignment: 1}, + get_c_layout(tmpdir.path(), &cc, "char").expect("C layout"), + "failed to obtain correct layout for char type"); + + let mut results : Results = Default::default(); + for (i, &(name, rust_layout)) in RUST_LAYOUTS.iter().enumerate() { + match get_c_layout(tmpdir.path(), &cc, name) { + Err(e) => { + results.record_failed_to_compile(); + eprintln!("{}", e); + }, + Ok(c_layout) => { + if rust_layout == c_layout { + results.record_passed(); + } else { + results.record_failed(); + eprintln!("Layout mismatch for {}\nRust: {:?}\nC: {:?}", + name, rust_layout, &c_layout); + } + } + }; + if (i + 1) % 25 == 0 { + println!("layout ... {}", results.summary()); + } + } + results.expect_total_success(); +} + +fn get_c_layout(dir: &Path, cc: &Compiler, name: &str) -> Result<Layout, Box<Error>> { + let exe = dir.join("layout"); + let mut cc = cc.clone(); + cc.define("ABI_TYPE_NAME", name); + cc.compile(Path::new("tests/layout.c"), &exe)?; + + let mut abi_cmd = Command::new(exe); + let output = abi_cmd.output()?; + if !output.status.success() { + return Err(format!("command {:?} failed, {:?}", + &abi_cmd, &output).into()); + } + + let stdout = str::from_utf8(&output.stdout)?; + let mut words = stdout.trim().split_whitespace(); + let size = words.next().unwrap().parse().unwrap(); + let alignment = words.next().unwrap().parse().unwrap(); + Ok(Layout {size, alignment}) +} + +fn get_c_value(dir: &Path, cc: &Compiler, name: &str) -> Result<String, Box<Error>> { + let exe = dir.join("constant"); + let mut cc = cc.clone(); + cc.define("ABI_CONSTANT_NAME", name); + cc.compile(Path::new("tests/constant.c"), &exe)?; + + let mut abi_cmd = Command::new(exe); + let output = abi_cmd.output()?; + if !output.status.success() { + return Err(format!("command {:?} failed, {:?}", + &abi_cmd, &output).into()); + } + + Ok(str::from_utf8(&output.stdout)?.trim().to_owned()) +} + +const RUST_LAYOUTS: &[(&str, Layout)] = &[ + ("GSSDPClient", Layout {size: size_of::<GSSDPClient>(), alignment: align_of::<GSSDPClient>()}), + ("GSSDPClientClass", Layout {size: size_of::<GSSDPClientClass>(), alignment: align_of::<GSSDPClientClass>()}), + ("GSSDPError", Layout {size: size_of::<GSSDPError>(), alignment: align_of::<GSSDPError>()}), + ("GSSDPResourceBrowser", Layout {size: size_of::<GSSDPResourceBrowser>(), alignment: align_of::<GSSDPResourceBrowser>()}), + ("GSSDPResourceBrowserClass", Layout {size: size_of::<GSSDPResourceBrowserClass>(), alignment: align_of::<GSSDPResourceBrowserClass>()}), + ("GSSDPResourceGroup", Layout {size: size_of::<GSSDPResourceGroup>(), alignment: align_of::<GSSDPResourceGroup>()}), + ("GSSDPResourceGroupClass", Layout {size: size_of::<GSSDPResourceGroupClass>(), alignment: align_of::<GSSDPResourceGroupClass>()}), +]; + +const RUST_CONSTANTS: &[(&str, &str)] = &[ + ("GSSDP_ALL_RESOURCES", "ssdp:all"), + ("GSSDP_ERROR_FAILED", "1"), + ("GSSDP_ERROR_NO_IP_ADDRESS", "0"), +]; + + diff --git a/tests/constant.c b/tests/constant.c new file mode 100644 index 0000000..dcd45c5 --- /dev/null +++ b/tests/constant.c @@ -0,0 +1,27 @@ +// This file was generated by gir (https://github.com/gtk-rs/gir) +// from gir-files (https://github.com/gtk-rs/gir-files) +// DO NOT EDIT + +#include "manual.h" +#include <stdio.h> + +int main() { + printf(_Generic((ABI_CONSTANT_NAME), + char *: "%s", + const char *: "%s", + char: "%c", + signed char: "%hhd", + unsigned char: "%hhu", + short int: "%hd", + unsigned short int: "%hu", + int: "%d", + unsigned int: "%u", + long: "%ld", + unsigned long: "%lu", + long long: "%lld", + unsigned long long: "%llu", + double: "%f", + long double: "%ld"), + ABI_CONSTANT_NAME); + return 0; +} diff --git a/tests/layout.c b/tests/layout.c new file mode 100644 index 0000000..45f2ef4 --- /dev/null +++ b/tests/layout.c @@ -0,0 +1,12 @@ +// This file was generated by gir (https://github.com/gtk-rs/gir) +// from gir-files (https://github.com/gtk-rs/gir-files) +// DO NOT EDIT + +#include "manual.h" +#include <stdalign.h> +#include <stdio.h> + +int main() { + printf("%zu\n%zu", sizeof(ABI_TYPE_NAME), alignof(ABI_TYPE_NAME)); + return 0; +} diff --git a/tests/manual.h b/tests/manual.h new file mode 100644 index 0000000..33968c2 --- /dev/null +++ b/tests/manual.h @@ -0,0 +1,2 @@ +// Feel free to edit this file, it won't be regenerated by gir generator unless removed. + |