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author | Edward O'Callaghan <quasisec@google.com> | 2020-02-18 14:38:08 +1100 |
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committer | Edward O'Callaghan <quasisec@chromium.org> | 2020-02-24 09:15:00 +0000 |
commit | 0f510a7458e0efe95534667bba122b4ab67b26c1 (patch) | |
tree | 19032bf855ce51d207b494e1c0ed54e7642c69a7 /util/flashrom_tester/src/rand_util.rs | |
parent | 7a7fee1695bc3ea9df4a9a058a1805210328d691 (diff) | |
download | flashrom-0f510a7458e0efe95534667bba122b4ab67b26c1.tar.gz flashrom-0f510a7458e0efe95534667bba122b4ab67b26c1.tar.bz2 flashrom-0f510a7458e0efe95534667bba122b4ab67b26c1.zip |
util/flashrom_tester: Upstream E2E testing framework
The following is a E2E tester for a specific chip/chipset
combo. The tester itself is completely self-contained and
allows the user to specify which tests they wish to preform.
Supported tests include:
- chip-name
- read
- write
- erase
- wp-locking
Change-Id: Ic2905a76cad90b1546b9328d668bf8abbf8aed44
Signed-off-by: Edward O'Callaghan <quasisec@google.com>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/38951
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: David Hendricks <david.hendricks@gmail.com>
Diffstat (limited to 'util/flashrom_tester/src/rand_util.rs')
-rw-r--r-- | util/flashrom_tester/src/rand_util.rs | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/util/flashrom_tester/src/rand_util.rs b/util/flashrom_tester/src/rand_util.rs new file mode 100644 index 00000000..51411d0d --- /dev/null +++ b/util/flashrom_tester/src/rand_util.rs @@ -0,0 +1,81 @@ +// +// Copyright 2019, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +// +// Alternatively, this software may be distributed under the terms of the +// GNU General Public License ("GPL") version 2 as published by the Free +// Software Foundation. +// + +use std::fs::File; +use std::io::prelude::*; +use std::io::BufWriter; + +use rand::prelude::*; + +pub fn gen_rand_testdata(path: &str, size: usize) -> std::io::Result<()> { + let mut buf = BufWriter::new(File::create(path)?); + + let mut a: Vec<u8> = Vec::with_capacity(size); + // Pad out array to be filled in by Rng::fill(). + a.resize(size, 0b0); + thread_rng().fill(a.as_mut_slice()); + + buf.write_all(a.as_slice())?; + + Ok(()) +} + +#[cfg(test)] +mod tests { + use super::*; + + #[test] + fn gen_rand_testdata() { + use super::gen_rand_testdata; + + let path0 = "/tmp/idk_test00"; + let path1 = "/tmp/idk_test01"; + let sz = 1024; + + gen_rand_testdata(path0, sz).unwrap(); + gen_rand_testdata(path1, sz).unwrap(); + + let mut buf0 = Vec::new(); + let mut buf1 = Vec::new(); + + let mut f = File::open(path0).unwrap(); + let mut g = File::open(path1).unwrap(); + + f.read_to_end(&mut buf0).unwrap(); + g.read_to_end(&mut buf1).unwrap(); + + assert_ne!(buf0, buf1); + } +} |