Add tests for truncate applet
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@ -65,6 +65,7 @@ code between applets, making for an overall smaller binary.
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- sync
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- touch
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- true
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- truncate
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- umount
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- unlink
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- wc
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@ -1,9 +1,7 @@
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use std::fs::File;
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use {
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super::Cmd,
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clap::{Arg, ArgAction, ArgGroup, Command, ValueHint},
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std::{error::Error, fmt, fs, num::ParseIntError, path::PathBuf},
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std::{error::Error, fmt, fs::{self, File}, num::ParseIntError, path::PathBuf},
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};
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#[derive(Debug, Default)]
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@ -118,7 +116,7 @@ impl Cmd for Truncate {
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}
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}
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#[derive(PartialEq)]
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#[derive(Debug, PartialEq)]
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enum Operator {
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Equal,
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Add,
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@ -226,7 +224,7 @@ fn parse_size(size: &str) -> Result<Size, ParseSizeError> {
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multiplier = Some(Multiplier::Tera);
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}
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}
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ch if ch.is_digit(10) => {
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ch if ch.is_ascii_digit() => {
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if multiplier.is_some() {
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return Err(ParseSizeError::InvalidChar);
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} else {
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@ -254,3 +252,36 @@ fn parse_size(size: &str) -> Result<Size, ParseSizeError> {
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}),
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}
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}
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#[cfg(test)]
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mod test {
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use super::*;
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#[test]
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fn parse_size_equal() {
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let size = parse_size("10k").unwrap();
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assert_eq!(size.num, 10240);
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assert_eq!(size.operator, Operator::Equal);
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}
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#[test]
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fn parse_size_add() {
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let size = parse_size("+4M").unwrap();
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assert_eq!(size.num, 4194304);
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assert_eq!(size.operator, Operator::Add);
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}
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#[test]
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fn parse_size_remove() {
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let size = parse_size("-2G").unwrap();
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assert_eq!(size.num, 2147483648);
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assert_eq!(size.operator, Operator::Remove);
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}
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#[test]
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fn parse_size_error() {
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let size = parse_size("10.5");
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assert!(size.is_err());
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}
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}
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