Make the fuchsia mojo/public repo the source of truth.

mojo/public/rust/tests/util/mod.rs

-// Copyright 2016 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-//! This module contains useful functions and macros for testing.
-
-pub mod mojom_validation;
-
-use std::ffi::{CStr, CString};
-use std::os::raw::c_char;
-use std::slice;
-use std::ptr;
-
-/// This macro sets up tests by adding in Mojo embedder
-/// initialization.
-macro_rules! tests {
-    ( $( $( #[ $attr:meta ] )* fn $i:ident() $b:block)* ) => {
-        use std::sync::{Once, ONCE_INIT};
-        static START: Once = ONCE_INIT;
-        $(
-            #[test]
-            $(
-            #[ $attr ]
-            )*
-            fn $i() {
-                START.call_once(|| unsafe {
-                    util::InitializeMojoEmbedder();
-                });
-                $b
-            }
-        )*
-    }
-}
-
-#[link(name = "stdc++")]
-extern "C" {}
-
-#[link(name = "c")]
-extern "C" {
-    fn free(ptr: *mut u8);
-}
-
-#[link(name = "rust_embedder")]
-extern "C" {
-    pub fn InitializeMojoEmbedder();
-}
-
-#[link(name = "validation_parser")]
-extern "C" {
-    #[allow(dead_code)]
-    fn ParseValidationTest(input: *const c_char,
-                           num_handles: *mut usize,
-                           data: *mut *mut u8,
-                           data_len: *mut usize)
-                           -> *mut c_char;
-}
-
-#[allow(dead_code)]
-pub fn parse_validation_test(input: &str) -> Result<(Vec<u8>, usize), String> {
-    let input_c = CString::new(input.to_string()).unwrap();
-    let mut num_handles: usize = 0;
-    let mut data: *mut u8 = ptr::null_mut();
-    let mut data_len: usize = 0;
-    let error = unsafe {
-        ParseValidationTest(input_c.as_ptr(),
-                            &mut num_handles as *mut usize,
-                            &mut data as *mut *mut u8,
-                            &mut data_len as *mut usize)
-    };
-    if error == ptr::null_mut() {
-        if data == ptr::null_mut() || data_len == 0 {
-            // We assume we were just given an empty file
-            Ok((Vec::new(), 0))
-        } else {
-            // Make a copy of the buffer
-            let buffer;
-            unsafe {
-                buffer = slice::from_raw_parts(data, data_len).to_vec();
-                free(data);
-            }
-            Ok((buffer, num_handles))
-        }
-    } else {
-        let err_str;
-        unsafe {
-            // Copy the error string
-            err_str = CStr::from_ptr(error)
-                           .to_str()
-                           .expect("Could not convert error message to UTF-8!")
-                           .to_owned();
-            free(error as *mut u8);
-        }
-        Err(err_str)
-    }
-}