Vendor dependencies for 0.3.0 release

vendor/getrandom-0.2.16/tests/rdrand.rs

@@ -0,0 +1,22 @@
+// We only test the RDRAND-based RNG source on supported architectures.
+#![cfg(any(target_arch = "x86_64", target_arch = "x86"))]
+
+// rdrand.rs expects to be part of the getrandom main crate, so we need these
+// additional imports to get rdrand.rs to compile.
+use getrandom::Error;
+#[macro_use]
+extern crate cfg_if;
+#[path = "../src/lazy.rs"]
+mod lazy;
+#[path = "../src/rdrand.rs"]
+mod rdrand;
+#[path = "../src/util.rs"]
+mod util;
+
+// The rdrand implementation has the signature of getrandom_uninit(), but our
+// tests expect getrandom_impl() to have the signature of getrandom().
+fn getrandom_impl(dest: &mut [u8]) -> Result<(), Error> {
+    rdrand::getrandom_inner(unsafe { util::slice_as_uninit_mut(dest) })?;
+    Ok(())
+}
+mod common;