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tests: Add a simple testing-helpers headers that tests can include.

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This allows to assert easily as described in the previous commit.
This commit is contained in:
Emilio Cobos Álvarez 2020-01-26 02:18:32 +01:00
parent bd831ded19
commit 12248c2fef
2 changed files with 26 additions and 4 deletions
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20
tests/testing-helpers.h Normal file
View File

@ -0,0 +1,20 @@
#ifndef testing_helpers_h
#define testing_helpers_h
// This is a helper file to easily add static_asserts to C / C++ tests.
#ifndef __cplusplus
#include <assert.h>
#endif
#if defined(CBINDGEN_STYLE_TAG) && !defined(__cplusplus)
#define CBINDGEN_STRUCT(name) struct name
#define CBINDGEN_UNION(name) union name
#define CBINDGEN_ENUM(name) enum name
#else
#define CBINDGEN_STRUCT(name) name
#define CBINDGEN_UNION(name) name
#define CBINDGEN_ENUM(name) name
#endif
#endif

10
tests/tests.rs
View File

@ -62,7 +62,7 @@ fn run_cbindgen(
);
}
fn compile(cbindgen_output: &Path, language: Language, style: Option<Style>) {
fn compile(cbindgen_output: &Path, tests_path: &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()),
@ -75,6 +75,7 @@ fn compile(cbindgen_output: &Path, language: Language, style: Option<Style>) {
command.arg("-D").arg("DEFINED");
command.arg("-c").arg(cbindgen_output);
command.arg("-o").arg(&object);
command.arg("-I").arg(tests_path);
command.arg("-Wall");
command.arg("-Werror");
// `swift_name` is not recognzied by gcc.
@ -111,7 +112,8 @@ fn run_compile_test(
style: Option<Style>,
) {
let crate_dir = env::var("CARGO_MANIFEST_DIR").unwrap();
let mut output = Path::new(&crate_dir).join("tests").join("expectations");
let tests_path = Path::new(&crate_dir).join("tests");
let mut output = tests_path.join("expectations");
if let Some(style) = style {
match style {
Style::Both => {
@ -138,10 +140,10 @@ fn run_compile_test(
output.push(format!("{}.{}", name, ext));
run_cbindgen(cbindgen_path, path, &output, language, cpp_compat, style);
compile(&output, language, style);
compile(&output, &tests_path, language, style);
if language == Language::C && cpp_compat {
compile(&output, Language::Cxx, style)
compile(&output, &tests_path, Language::Cxx, style)
}
}