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#![cfg(any(feature = "ring", feature = "aws_lc_rs"))]
//! Note that the default test runner builds each test file into a separate
//! executable, and runs tests in an indeterminate order. That restricts us
//! to doing all the desired tests, in series, in one function.
use rustls::ClientConfig;
use rustls::crypto::CryptoProvider;
#[cfg(all(feature = "aws_lc_rs", not(feature = "ring")))]
use rustls::crypto::aws_lc_rs as provider;
#[cfg(all(feature = "ring", not(feature = "aws_lc_rs")))]
use rustls::crypto::ring as provider;
#[cfg(all(feature = "ring", feature = "aws_lc_rs"))]
use rustls::crypto::ring as provider;
mod common;
use crate::common::*;
#[test]
fn test_process_provider() {
if dbg!(cfg!(all(feature = "ring", feature = "aws_lc_rs"))) {
test_explicit_choice_required();
} else if dbg!(cfg!(all(feature = "ring", not(feature = "aws_lc_rs")))) {
test_ring_used_as_implicit_provider();
} else if dbg!(cfg!(all(feature = "aws_lc_rs", not(feature = "ring")))) {
test_aws_lc_rs_used_as_implicit_provider();
} else {
panic!("fix feature combinations");
}
}
fn test_explicit_choice_required() {
assert!(CryptoProvider::get_default().is_none());
provider::default_provider()
.install_default()
.expect("cannot install");
CryptoProvider::get_default().expect("provider missing");
provider::default_provider()
.install_default()
.expect_err("install succeeded a second time");
CryptoProvider::get_default().expect("provider missing");
// does not panic
finish_client_config(KeyType::Rsa2048, ClientConfig::builder());
}
fn test_ring_used_as_implicit_provider() {
assert!(CryptoProvider::get_default().is_none());
// implicitly installs ring provider
finish_client_config(KeyType::Rsa2048, ClientConfig::builder());
let default = CryptoProvider::get_default().expect("provider missing");
let debug = format!("{default:?}");
assert!(debug.contains("secure_random: Ring"));
let builder = ClientConfig::builder();
assert_eq!(format!("{:?}", builder.crypto_provider()), debug);
}
fn test_aws_lc_rs_used_as_implicit_provider() {
assert!(CryptoProvider::get_default().is_none());
// implicitly installs aws-lc-rs provider
finish_client_config(KeyType::Rsa2048, ClientConfig::builder());
let default = CryptoProvider::get_default().expect("provider missing");
let debug = format!("{default:?}");
assert!(debug.contains("secure_random: AwsLcRs"));
let builder = ClientConfig::builder();
assert_eq!(format!("{:?}", builder.crypto_provider()), debug);
}
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