yggdrasil/cbindgen
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Generate test object files in a temporary directory instead of in-tree

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Closes #499

Co-authored-by: Sylvestre Ledru <sylvestre@debian.org>
This commit is contained in:
Emilio Cobos Álvarez 2020-04-04 17:51:57 +02:00
parent ec1631f3e4
commit 39bae60ad7
1 changed files with 18 additions and 4 deletions
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22
tests/tests.rs
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@ -62,13 +62,19 @@ fn run_cbindgen(
);
}
fn compile(cbindgen_output: &Path, tests_path: &Path, language: Language, style: Option<Style>) {
fn compile(
cbindgen_output: &Path,
tests_path: &Path,
tmp_dir: &Path,
language: Language,
style: Option<Style>,
) {
let cc = match language {
Language::Cxx => env::var("CXX").unwrap_or_else(|_| "g++".to_owned()),
Language::C => env::var("CC").unwrap_or_else(|_| "gcc".to_owned()),
};
let mut object = cbindgen_output.to_path_buf();
let mut object = tmp_dir.join(cbindgen_output);
object.set_extension("o");
let mut command = Command::new(cc);
@ -114,6 +120,7 @@ fn run_compile_test(
cbindgen_path: &'static str,
name: &'static str,
path: &Path,
tmp_dir: &Path,
language: Language,
cpp_compat: bool,
style: Option<Style>,
@ -147,21 +154,27 @@ fn run_compile_test(
output.push(format!("{}.{}", name, ext));
run_cbindgen(cbindgen_path, path, &output, language, cpp_compat, style);
compile(&output, &tests_path, language, style);
compile(&output, &tests_path, tmp_dir, language, style);
if language == Language::C && cpp_compat {
compile(&output, &tests_path, Language::Cxx, style)
compile(&output, &tests_path, tmp_dir, Language::Cxx, style)
}
}
fn test_file(cbindgen_path: &'static str, name: &'static str, filename: &'static str) {
let test = Path::new(filename);
let tmp_dir = tempfile::Builder::new()
.prefix("cbindgen-test-output")
.tempdir()
.expect("Creating tmp dir failed");
let tmp_dir = tmp_dir.path();
for style in &[Style::Type, Style::Tag, Style::Both] {
for cpp_compat in &[true, false] {
run_compile_test(
cbindgen_path,
name,
&test,
tmp_dir,
Language::C,
*cpp_compat,
Some(*style),
@ -172,6 +185,7 @@ fn test_file(cbindgen_path: &'static str, name: &'static str, filename: &'static
cbindgen_path,
name,
&test,
tmp_dir,
Language::Cxx,
/* cpp_compat = */ false,
None,