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/* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/publicdomain/zero/1.0/ */
fn nonfatal_fail(msg: String) {
extern "C" {
fn GTest_FOG_ExpectFailure(message: *const ::std::os::raw::c_char);
}
unsafe {
let msg = ::std::ffi::CString::new(msg).unwrap();
GTest_FOG_ExpectFailure(msg.as_ptr());
}
}
/// This macro checks if the expression evaluates to true,
/// and causes a non-fatal GTest test failure if it doesn't.
macro_rules! expect {
($x:expr) => {
match (&$x) {
true => {}
false => nonfatal_fail(format!(
"check failed: (`{}`) at {}:{}",
stringify!($x),
file!(),
line!()
)),
}
};
}
#[no_mangle]
pub extern "C" fn Rust_MeasureInitializeTime() {
// At this point FOG is already initialized.
// We still need for it to finish, as it is running in a separate thread.
let metric = &*fog::metrics::fog::initialization;
while metric.test_get_value("metrics").is_none() {
// We _know_ this value is recorded early, so let's just yield
// and try again quickly.
std::thread::yield_now();
}
let value = metric.test_get_value("metrics").unwrap();
expect!(value > 0);
}
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