90 lines
2.4 KiB
Rust
90 lines
2.4 KiB
Rust
// Copyright 2021 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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use crate::{BufferOptions, BufferStorage, Store, StoreDriverOff};
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#[derive(Clone)]
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pub struct Config {
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pub word_size: usize,
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pub page_size: usize,
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pub num_pages: usize,
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pub max_word_writes: usize,
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pub max_page_erases: usize,
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}
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impl Config {
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pub fn new_driver(&self) -> StoreDriverOff {
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StoreDriverOff::new(self.into(), self.num_pages)
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}
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pub fn new_store(&self) -> Store<BufferStorage> {
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self.new_driver().power_on().unwrap().extract_store()
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}
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}
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impl<'a> From<&'a Config> for BufferOptions {
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fn from(config: &'a Config) -> Self {
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BufferOptions {
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word_size: config.word_size,
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page_size: config.page_size,
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max_word_writes: config.max_word_writes,
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max_page_erases: config.max_page_erases,
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strict_mode: true,
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}
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}
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}
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pub const MINIMAL: Config = Config {
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word_size: 4,
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page_size: 64,
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num_pages: 5,
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max_word_writes: 2,
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max_page_erases: 9,
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};
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const NORDIC: Config = Config {
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word_size: 4,
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page_size: 0x1000,
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num_pages: 20,
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max_word_writes: 2,
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max_page_erases: 10000,
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};
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const TITAN: Config = Config {
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word_size: 4,
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page_size: 0x800,
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num_pages: 10,
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max_word_writes: 2,
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max_page_erases: 10000,
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};
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#[test]
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fn nordic_capacity() {
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let driver = NORDIC.new_driver().power_on().unwrap();
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assert_eq!(driver.model().capacity().total, 19123);
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}
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#[test]
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fn titan_capacity() {
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let driver = TITAN.new_driver().power_on().unwrap();
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assert_eq!(driver.model().capacity().total, 4315);
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}
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#[test]
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fn minimal_virt_page_size() {
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// Make sure a virtual page has 14 words. We use this property in the other tests below to
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// know whether entries are spanning, starting, and ending pages.
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assert_eq!(MINIMAL.new_driver().model().format().virt_page_size(), 14);
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}
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