mirror of
https://github.com/uutils/coreutils
synced 2024-12-13 14:52:41 +00:00
Merge pull request #3751 from cakebaker/numfmt_format
numfmt: implement --format
This commit is contained in:
Sylvestre Ledru
GitHub
commit
38679f1c1b
5 changed files with 659 additions and 11 deletions
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@ -1,3 +1,4 @@
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// spell-checker:ignore powf
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use uucore::display::Quotable;
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use crate::options::{NumfmtOptions, RoundMethod, TransformOptions};
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@ -194,7 +195,19 @@ pub fn div_round(n: f64, d: f64, method: RoundMethod) -> f64 {
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}
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}
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fn consider_suffix(n: f64, u: &Unit, round_method: RoundMethod) -> Result<(f64, Option<Suffix>)> {
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// Rounds to the specified number of decimal points.
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fn round_with_precision(n: f64, method: RoundMethod, precision: usize) -> f64 {
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let p = 10.0_f64.powf(precision as f64);
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method.round(p * n) / p
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}
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fn consider_suffix(
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n: f64,
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u: &Unit,
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round_method: RoundMethod,
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precision: usize,
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) -> Result<(f64, Option<Suffix>)> {
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use crate::units::RawSuffix::*;
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let abs_n = n.abs();
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@ -220,7 +233,11 @@ fn consider_suffix(n: f64, u: &Unit, round_method: RoundMethod) -> Result<(f64,
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_ => return Err("Number is too big and unsupported".to_string()),
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};
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let v = div_round(n, bases[i], round_method);
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let v = if precision > 0 {
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round_with_precision(n / bases[i], round_method, precision)
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} else {
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div_round(n, bases[i], round_method)
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};
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// check if rounding pushed us into the next base
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if v.abs() >= bases[1] {
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@ -230,11 +247,31 @@ fn consider_suffix(n: f64, u: &Unit, round_method: RoundMethod) -> Result<(f64,
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}
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}
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fn transform_to(s: f64, opts: &TransformOptions, round_method: RoundMethod) -> Result<String> {
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let (i2, s) = consider_suffix(s, &opts.to, round_method)?;
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fn transform_to(
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s: f64,
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opts: &TransformOptions,
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round_method: RoundMethod,
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precision: usize,
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) -> Result<String> {
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let (i2, s) = consider_suffix(s, &opts.to, round_method, precision)?;
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let i2 = i2 / (opts.to_unit as f64);
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Ok(match s {
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None if precision > 0 => {
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format!(
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"{:.precision$}",
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round_with_precision(i2, round_method, precision),
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precision = precision
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)
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}
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None => format!("{}", i2),
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Some(s) if precision > 0 => {
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format!(
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"{:.precision$}{}",
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i2,
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DisplayableSuffix(s),
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precision = precision
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)
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}
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Some(s) if i2.abs() < 10.0 => format!("{:.1}{}", i2, DisplayableSuffix(s)),
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Some(s) => format!("{:.0}{}", i2, DisplayableSuffix(s)),
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})
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@ -255,6 +292,7 @@ fn format_string(
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transform_from(source_without_suffix, &options.transform)?,
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&options.transform,
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options.round,
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options.format.precision,
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)?;
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// bring back the suffix before applying padding
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@ -263,15 +301,34 @@ fn format_string(
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None => number,
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};
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Ok(match implicit_padding.unwrap_or(options.padding) {
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let padding = options
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.format
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.padding
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.unwrap_or_else(|| implicit_padding.unwrap_or(options.padding));
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let padded_number = match padding {
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0 => number_with_suffix,
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p if p > 0 && options.format.zero_padding => {
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let zero_padded = format!("{:0>padding$}", number_with_suffix, padding = p as usize);
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match implicit_padding.unwrap_or(options.padding) {
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0 => zero_padded,
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p if p > 0 => format!("{:>padding$}", zero_padded, padding = p as usize),
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p => format!("{:<padding$}", zero_padded, padding = p.unsigned_abs()),
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}
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}
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p if p > 0 => format!("{:>padding$}", number_with_suffix, padding = p as usize),
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p => format!(
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"{:<padding$}",
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number_with_suffix,
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padding = p.unsigned_abs()
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),
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})
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};
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Ok(format!(
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"{}{}{}",
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options.format.prefix, padded_number, options.format.suffix
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))
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}
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fn format_and_print_delimited(s: &str, options: &NumfmtOptions) -> Result<()> {
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@ -342,3 +399,27 @@ pub fn format_and_print(s: &str, options: &NumfmtOptions) -> Result<()> {
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None => format_and_print_whitespace(s, options),
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}
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn test_round_with_precision() {
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let rm = RoundMethod::FromZero;
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assert_eq!(1.0, round_with_precision(0.12345, rm, 0));
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assert_eq!(0.2, round_with_precision(0.12345, rm, 1));
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assert_eq!(0.13, round_with_precision(0.12345, rm, 2));
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assert_eq!(0.124, round_with_precision(0.12345, rm, 3));
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assert_eq!(0.1235, round_with_precision(0.12345, rm, 4));
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assert_eq!(0.12345, round_with_precision(0.12345, rm, 5));
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let rm = RoundMethod::TowardsZero;
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assert_eq!(0.0, round_with_precision(0.12345, rm, 0));
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assert_eq!(0.1, round_with_precision(0.12345, rm, 1));
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assert_eq!(0.12, round_with_precision(0.12345, rm, 2));
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assert_eq!(0.123, round_with_precision(0.12345, rm, 3));
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assert_eq!(0.1234, round_with_precision(0.12345, rm, 4));
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assert_eq!(0.12345, round_with_precision(0.12345, rm, 5));
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}
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}
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@ -16,8 +16,8 @@ use std::io::{BufRead, Write};
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use units::{IEC_BASES, SI_BASES};
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use uucore::display::Quotable;
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use uucore::error::UResult;
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use uucore::format_usage;
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use uucore::ranges::Range;
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use uucore::{format_usage, InvalidEncodingHandling};
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pub mod errors;
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pub mod format;
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@ -51,6 +51,12 @@ FIELDS supports cut(1) style field ranges:
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-M from first to M'th field (inclusive)
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- all fields
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Multiple fields/ranges can be separated with commas
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FORMAT must be suitable for printing one floating-point argument '%f'.
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Optional quote (%'f) will enable --grouping (if supported by current locale).
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Optional width value (%10f) will pad output. Optional zero (%010f) width
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will zero pad the number. Optional negative values (%-10f) will left align.
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Optional precision (%.1f) will override the input determined precision.
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";
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const USAGE: &str = "{} [OPTION]... [NUMBER]...";
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@ -194,6 +200,15 @@ fn parse_options(args: &ArgMatches) -> Result<NumfmtOptions> {
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v => Range::from_list(v)?,
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};
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let format = match args.value_of(options::FORMAT) {
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Some(s) => s.parse()?,
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None => FormatOptions::default(),
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};
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if format.grouping && to != Unit::None {
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return Err("grouping cannot be combined with --to".to_string());
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}
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let delimiter = args.value_of(options::DELIMITER).map_or(Ok(None), |arg| {
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if arg.len() == 1 {
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Ok(Some(arg.to_string()))
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@ -222,12 +237,35 @@ fn parse_options(args: &ArgMatches) -> Result<NumfmtOptions> {
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delimiter,
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round,
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suffix,
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format,
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})
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}
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// If the --format argument and its value are provided separately, they are concatenated to avoid a
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// potential clap error. For example: "--format --%f--" is changed to "--format=--%f--".
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fn concat_format_arg_and_value(args: &[String]) -> Vec<String> {
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let mut processed_args: Vec<String> = Vec::with_capacity(args.len());
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let mut iter = args.iter().peekable();
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while let Some(arg) = iter.next() {
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if arg == "--format" && iter.peek().is_some() {
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processed_args.push(format!("--format={}", iter.peek().unwrap()));
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iter.next();
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} else {
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processed_args.push(arg.to_string());
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}
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}
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processed_args
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}
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#[uucore::main]
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pub fn uumain(args: impl uucore::Args) -> UResult<()> {
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let matches = uu_app().get_matches_from(args);
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let args = args
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.collect_str(InvalidEncodingHandling::Ignore)
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.accept_any();
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let matches = uu_app().get_matches_from(concat_format_arg_and_value(&args));
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let options = parse_options(&matches).map_err(NumfmtError::IllegalArgument)?;
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@ -271,6 +309,13 @@ pub fn uu_app<'a>() -> Command<'a> {
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.value_name("FIELDS")
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.default_value(options::FIELD_DEFAULT),
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)
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.arg(
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Arg::new(options::FORMAT)
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.long(options::FORMAT)
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.help("use printf style floating-point FORMAT; see FORMAT below for details")
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.takes_value(true)
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.value_name("FORMAT"),
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)
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.arg(
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Arg::new(options::FROM)
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.long(options::FROM)
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@ -351,8 +396,8 @@ pub fn uu_app<'a>() -> Command<'a> {
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#[cfg(test)]
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mod tests {
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use super::{
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handle_buffer, parse_unit_size, parse_unit_size_suffix, NumfmtOptions, Range, RoundMethod,
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TransformOptions, Unit,
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handle_buffer, parse_unit_size, parse_unit_size_suffix, FormatOptions, NumfmtOptions,
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Range, RoundMethod, TransformOptions, Unit,
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};
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use std::io::{BufReader, Error, ErrorKind, Read};
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struct MockBuffer {}
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@ -377,6 +422,7 @@ mod tests {
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delimiter: None,
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round: RoundMethod::Nearest,
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suffix: None,
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format: FormatOptions::default(),
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}
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}
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@ -1,9 +1,12 @@
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use std::str::FromStr;
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use crate::units::Unit;
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use uucore::ranges::Range;
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pub const DELIMITER: &str = "delimiter";
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pub const FIELD: &str = "field";
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pub const FIELD_DEFAULT: &str = "1";
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pub const FORMAT: &str = "format";
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pub const FROM: &str = "from";
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pub const FROM_DEFAULT: &str = "none";
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pub const FROM_UNIT: &str = "from-unit";
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@ -34,6 +37,7 @@ pub struct NumfmtOptions {
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pub delimiter: Option<String>,
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pub round: RoundMethod,
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pub suffix: Option<String>,
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pub format: FormatOptions,
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}
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#[derive(Clone, Copy)]
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@ -68,3 +72,282 @@ impl RoundMethod {
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}
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}
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}
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// Represents the options extracted from the --format argument provided by the user.
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#[derive(Debug, PartialEq)]
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pub struct FormatOptions {
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pub grouping: bool,
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pub padding: Option<isize>,
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pub precision: usize,
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pub prefix: String,
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pub suffix: String,
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pub zero_padding: bool,
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}
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impl Default for FormatOptions {
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fn default() -> Self {
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Self {
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grouping: false,
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padding: None,
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precision: 0,
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prefix: String::from(""),
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suffix: String::from(""),
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zero_padding: false,
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}
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}
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}
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impl FromStr for FormatOptions {
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type Err = String;
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// The recognized format is: [PREFIX]%[0]['][-][N][.][N]f[SUFFIX]
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//
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// The format defines the printing of a floating point argument '%f'.
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// An optional quote (%'f) enables --grouping.
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// An optional width value (%10f) will pad the number.
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// An optional zero (%010f) will zero pad the number.
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// An optional negative value (%-10f) will left align.
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// An optional precision (%.1f) determines the precision of the number.
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fn from_str(s: &str) -> Result<Self, Self::Err> {
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let mut iter = s.chars().peekable();
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let mut options = Self::default();
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let mut padding = String::from("");
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let mut precision = String::from("");
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let mut double_percentage_counter = 0;
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// '%' chars in the prefix, if any, must appear in blocks of even length, for example: "%%%%" and
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// "%% %%" are ok, "%%% %" is not ok. A single '%' is treated as the beginning of the
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// floating point argument.
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while let Some(c) = iter.next() {
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match c {
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'%' if iter.peek() == Some(&'%') => {
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iter.next();
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double_percentage_counter += 1;
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for _ in 0..2 {
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options.prefix.push('%');
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}
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}
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'%' => break,
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_ => options.prefix.push(c),
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}
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}
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// GNU numfmt drops a char from the prefix for every '%%' in the prefix, so we do the same
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for _ in 0..double_percentage_counter {
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options.prefix.pop();
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}
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|
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if iter.peek().is_none() {
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return if options.prefix == s {
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Err(format!("format '{}' has no % directive", s))
|
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} else {
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Err(format!("format '{}' ends in %", s))
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};
|
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}
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|
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// GNU numfmt allows to mix the characters " ", "'", and "0" in any way, so we do the same
|
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while matches!(iter.peek(), Some(' ') | Some('\'') | Some('0')) {
|
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match iter.next().unwrap() {
|
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' ' => (),
|
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'\'' => options.grouping = true,
|
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'0' => options.zero_padding = true,
|
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_ => unreachable!(),
|
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}
|
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}
|
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|
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if let Some('-') = iter.peek() {
|
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iter.next();
|
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|
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match iter.peek() {
|
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Some(c) if c.is_ascii_digit() => padding.push('-'),
|
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_ => {
|
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return Err(format!(
|
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"invalid format '{}', directive must be %[0]['][-][N][.][N]f",
|
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s
|
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))
|
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}
|
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}
|
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}
|
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|
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while let Some(c) = iter.peek() {
|
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if c.is_ascii_digit() {
|
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padding.push(*c);
|
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iter.next();
|
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} else {
|
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break;
|
||||
}
|
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}
|
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|
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if !padding.is_empty() {
|
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if let Ok(p) = padding.parse() {
|
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options.padding = Some(p);
|
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} else {
|
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return Err(format!("invalid format '{}' (width overflow)", s));
|
||||
}
|
||||
}
|
||||
|
||||
if let Some('.') = iter.peek() {
|
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iter.next();
|
||||
|
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if matches!(iter.peek(), Some(' ') | Some('+') | Some('-')) {
|
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return Err(format!("invalid precision in format '{}'", s));
|
||||
}
|
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|
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while let Some(c) = iter.peek() {
|
||||
if c.is_ascii_digit() {
|
||||
precision.push(*c);
|
||||
iter.next();
|
||||
} else {
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if !precision.is_empty() {
|
||||
if let Ok(p) = precision.parse() {
|
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options.precision = p;
|
||||
} else {
|
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return Err(format!("invalid precision in format '{}'", s));
|
||||
}
|
||||
}
|
||||
}
|
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|
||||
if let Some('f') = iter.peek() {
|
||||
iter.next();
|
||||
} else {
|
||||
return Err(format!(
|
||||
"invalid format '{}', directive must be %[0]['][-][N][.][N]f",
|
||||
s
|
||||
));
|
||||
}
|
||||
|
||||
// '%' chars in the suffix, if any, must appear in blocks of even length, otherwise
|
||||
// it is an error. For example: "%%%%" and "%% %%" are ok, "%%% %" is not ok.
|
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while let Some(c) = iter.next() {
|
||||
if c != '%' {
|
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options.suffix.push(c);
|
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} else if iter.peek() == Some(&'%') {
|
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for _ in 0..2 {
|
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options.suffix.push('%');
|
||||
}
|
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iter.next();
|
||||
} else {
|
||||
return Err(format!("format '{}' has too many % directives", s));
|
||||
}
|
||||
}
|
||||
|
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Ok(options)
|
||||
}
|
||||
}
|
||||
|
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#[cfg(test)]
|
||||
mod tests {
|
||||
use super::*;
|
||||
|
||||
#[test]
|
||||
fn test_parse_format() {
|
||||
assert_eq!(FormatOptions::default(), "%f".parse().unwrap());
|
||||
assert_eq!(FormatOptions::default(), "% f".parse().unwrap());
|
||||
}
|
||||
|
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#[test]
|
||||
fn test_parse_format_with_invalid_formats() {
|
||||
assert!("".parse::<FormatOptions>().is_err());
|
||||
assert!("hello".parse::<FormatOptions>().is_err());
|
||||
assert!("hello%".parse::<FormatOptions>().is_err());
|
||||
assert!("%-f".parse::<FormatOptions>().is_err());
|
||||
assert!("%d".parse::<FormatOptions>().is_err());
|
||||
assert!("%4 f".parse::<FormatOptions>().is_err());
|
||||
assert!("%f%".parse::<FormatOptions>().is_err());
|
||||
assert!("%f%%%".parse::<FormatOptions>().is_err());
|
||||
assert!("%%f".parse::<FormatOptions>().is_err());
|
||||
assert!("%%%%f".parse::<FormatOptions>().is_err());
|
||||
assert!("%.-1f".parse::<FormatOptions>().is_err());
|
||||
assert!("%. 1f".parse::<FormatOptions>().is_err());
|
||||
assert!("%18446744073709551616f".parse::<FormatOptions>().is_err());
|
||||
assert!("%.18446744073709551616f".parse::<FormatOptions>().is_err());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_parse_format_with_prefix_and_suffix() {
|
||||
let formats = vec![
|
||||
("--%f", "--", ""),
|
||||
("%f::", "", "::"),
|
||||
("--%f::", "--", "::"),
|
||||
("%f%%", "", "%%"),
|
||||
("%%%f", "%", ""),
|
||||
("%% %f", "%%", ""),
|
||||
];
|
||||
|
||||
for (format, expected_prefix, expected_suffix) in formats {
|
||||
let options: FormatOptions = format.parse().unwrap();
|
||||
assert_eq!(expected_prefix, options.prefix);
|
||||
assert_eq!(expected_suffix, options.suffix);
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_parse_format_with_padding() {
|
||||
let mut expected_options = FormatOptions::default();
|
||||
let formats = vec![("%12f", Some(12)), ("%-12f", Some(-12))];
|
||||
|
||||
for (format, expected_padding) in formats {
|
||||
expected_options.padding = expected_padding;
|
||||
assert_eq!(expected_options, format.parse().unwrap());
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_parse_format_with_precision() {
|
||||
let mut expected_options = FormatOptions::default();
|
||||
let formats = vec![
|
||||
("%6.2f", Some(6), 2),
|
||||
("%6.f", Some(6), 0),
|
||||
("%.2f", None, 2),
|
||||
("%.f", None, 0),
|
||||
];
|
||||
|
||||
for (format, expected_padding, expected_precision) in formats {
|
||||
expected_options.padding = expected_padding;
|
||||
expected_options.precision = expected_precision;
|
||||
assert_eq!(expected_options, format.parse().unwrap());
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_parse_format_with_grouping() {
|
||||
let expected_options = FormatOptions {
|
||||
grouping: true,
|
||||
..Default::default()
|
||||
};
|
||||
assert_eq!(expected_options, "%'f".parse().unwrap());
|
||||
assert_eq!(expected_options, "% ' f".parse().unwrap());
|
||||
assert_eq!(expected_options, "%'''''''f".parse().unwrap());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_parse_format_with_zero_padding() {
|
||||
let expected_options = FormatOptions {
|
||||
padding: Some(10),
|
||||
zero_padding: true,
|
||||
..Default::default()
|
||||
};
|
||||
assert_eq!(expected_options, "%010f".parse().unwrap());
|
||||
assert_eq!(expected_options, "% 0 10f".parse().unwrap());
|
||||
assert_eq!(expected_options, "%0000000010f".parse().unwrap());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_parse_format_with_grouping_and_zero_padding() {
|
||||
let expected_options = FormatOptions {
|
||||
grouping: true,
|
||||
zero_padding: true,
|
||||
..Default::default()
|
||||
};
|
||||
assert_eq!(expected_options, "%0'f".parse().unwrap());
|
||||
assert_eq!(expected_options, "%'0f".parse().unwrap());
|
||||
assert_eq!(expected_options, "%0'0'0'f".parse().unwrap());
|
||||
assert_eq!(expected_options, "%'0'0'0f".parse().unwrap());
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -17,7 +17,7 @@ pub const IEC_BASES: [f64; 10] = [
|
|||
|
||||
pub type WithI = bool;
|
||||
|
||||
#[derive(PartialEq)]
|
||||
#[derive(Clone, Copy, PartialEq)]
|
||||
pub enum Unit {
|
||||
Auto,
|
||||
Si,
|
||||
|
|
|
|||
|
|
@ -673,3 +673,241 @@ fn test_valid_but_forbidden_suffix() {
|
|||
));
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_format() {
|
||||
new_ucmd!()
|
||||
.args(&["--format=--%f--", "50"])
|
||||
.succeeds()
|
||||
.stdout_is("--50--\n");
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_format_with_separate_value() {
|
||||
new_ucmd!()
|
||||
.args(&["--format", "--%f--", "50"])
|
||||
.succeeds()
|
||||
.stdout_is("--50--\n");
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_format_padding_with_prefix_and_suffix() {
|
||||
new_ucmd!()
|
||||
.args(&["--format=--%6f--", "50"])
|
||||
.succeeds()
|
||||
.stdout_is("-- 50--\n");
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_format_negative_padding_with_prefix_and_suffix() {
|
||||
new_ucmd!()
|
||||
.args(&["--format=--%-6f--", "50"])
|
||||
.succeeds()
|
||||
.stdout_is("--50 --\n");
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_format_with_format_padding_overriding_padding_option() {
|
||||
new_ucmd!()
|
||||
.args(&["--format=%6f", "--padding=10", "1234"])
|
||||
.succeeds()
|
||||
.stdout_is(" 1234\n");
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_format_with_format_padding_overriding_implicit_padding() {
|
||||
new_ucmd!()
|
||||
.args(&["--format=%6f", " 1234"])
|
||||
.succeeds()
|
||||
.stdout_is(" 1234\n");
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_format_with_negative_format_padding_and_suffix() {
|
||||
new_ucmd!()
|
||||
.args(&["--format=%-6f", "1234 ?"])
|
||||
.succeeds()
|
||||
.stdout_is("1234 ?\n");
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_format_with_zero_padding() {
|
||||
let formats = vec!["%06f", "%0 6f"];
|
||||
|
||||
for format in formats {
|
||||
new_ucmd!()
|
||||
.args(&[format!("--format={}", format), String::from("1234")])
|
||||
.succeeds()
|
||||
.stdout_is("001234\n");
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_format_with_zero_padding_and_padding_option() {
|
||||
new_ucmd!()
|
||||
.args(&["--format=%06f", "--padding=8", "1234"])
|
||||
.succeeds()
|
||||
.stdout_is(" 001234\n");
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_format_with_zero_padding_and_negative_padding_option() {
|
||||
new_ucmd!()
|
||||
.args(&["--format=%06f", "--padding=-8", "1234"])
|
||||
.succeeds()
|
||||
.stdout_is("001234 \n");
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_format_with_zero_padding_and_implicit_padding() {
|
||||
new_ucmd!()
|
||||
.args(&["--format=%06f", " 1234"])
|
||||
.succeeds()
|
||||
.stdout_is(" 001234\n");
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_format_with_zero_padding_and_suffix() {
|
||||
new_ucmd!()
|
||||
.args(&["--format=%06f", "1234 ?"])
|
||||
.succeeds()
|
||||
.stdout_is("001234 ?\n");
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_format_with_precision() {
|
||||
let values = vec![("0.99", "1.0"), ("1", "1.0"), ("1.01", "1.1")];
|
||||
|
||||
for (input, expected) in values {
|
||||
new_ucmd!()
|
||||
.args(&["--format=%.1f", input])
|
||||
.succeeds()
|
||||
.stdout_is(format!("{}\n", expected));
|
||||
}
|
||||
|
||||
let values = vec![("0.99", "0.99"), ("1", "1.00"), ("1.01", "1.01")];
|
||||
|
||||
for (input, expected) in values {
|
||||
new_ucmd!()
|
||||
.args(&["--format=%.2f", input])
|
||||
.succeeds()
|
||||
.stdout_is(format!("{}\n", expected));
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_format_with_precision_and_down_rounding() {
|
||||
let values = vec![("0.99", "0.9"), ("1", "1.0"), ("1.01", "1.0")];
|
||||
|
||||
for (input, expected) in values {
|
||||
new_ucmd!()
|
||||
.args(&["--format=%.1f", input, "--round=down"])
|
||||
.succeeds()
|
||||
.stdout_is(format!("{}\n", expected));
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_format_with_precision_and_to_arg() {
|
||||
let values = vec![("%.1f", "10.0G"), ("%.4f", "9.9913G")];
|
||||
|
||||
for (format, expected) in values {
|
||||
new_ucmd!()
|
||||
.args(&[
|
||||
format!("--format={}", format),
|
||||
"9991239123".to_string(),
|
||||
"--to=si".to_string(),
|
||||
])
|
||||
.succeeds()
|
||||
.stdout_is(format!("{}\n", expected));
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_format_without_percentage_directive() {
|
||||
let invalid_formats = vec!["", "hello"];
|
||||
|
||||
for invalid_format in invalid_formats {
|
||||
new_ucmd!()
|
||||
.arg(format!("--format={}", invalid_format))
|
||||
.fails()
|
||||
.code_is(1)
|
||||
.stderr_contains(format!("format '{}' has no % directive", invalid_format));
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_format_with_percentage_directive_at_end() {
|
||||
let invalid_format = "hello%";
|
||||
|
||||
new_ucmd!()
|
||||
.arg(format!("--format={}", invalid_format))
|
||||
.fails()
|
||||
.code_is(1)
|
||||
.stderr_contains(format!("format '{}' ends in %", invalid_format));
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_format_with_too_many_percentage_directives() {
|
||||
let invalid_format = "%f %f";
|
||||
|
||||
new_ucmd!()
|
||||
.arg(format!("--format={}", invalid_format))
|
||||
.fails()
|
||||
.code_is(1)
|
||||
.stderr_contains(format!(
|
||||
"format '{}' has too many % directives",
|
||||
invalid_format
|
||||
));
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_format_with_invalid_format() {
|
||||
let invalid_formats = vec!["%d", "% -43 f"];
|
||||
|
||||
for invalid_format in invalid_formats {
|
||||
new_ucmd!()
|
||||
.arg(format!("--format={}", invalid_format))
|
||||
.fails()
|
||||
.code_is(1)
|
||||
.stderr_contains(format!(
|
||||
"invalid format '{}', directive must be %[0]['][-][N][.][N]f",
|
||||
invalid_format
|
||||
));
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_format_with_width_overflow() {
|
||||
let invalid_format = "%18446744073709551616f";
|
||||
new_ucmd!()
|
||||
.arg(format!("--format={}", invalid_format))
|
||||
.fails()
|
||||
.code_is(1)
|
||||
.stderr_contains(format!(
|
||||
"invalid format '{}' (width overflow)",
|
||||
invalid_format
|
||||
));
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_format_with_invalid_precision() {
|
||||
let invalid_formats = vec!["%.-1f", "%.+1f", "%. 1f", "%.18446744073709551616f"];
|
||||
|
||||
for invalid_format in invalid_formats {
|
||||
new_ucmd!()
|
||||
.arg(format!("--format={}", invalid_format))
|
||||
.fails()
|
||||
.code_is(1)
|
||||
.stderr_contains(format!("invalid precision in format '{}'", invalid_format));
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_format_grouping_conflicts_with_to_option() {
|
||||
new_ucmd!()
|
||||
.args(&["--format=%'f", "--to=si"])
|
||||
.fails()
|
||||
.code_is(1)
|
||||
.stderr_contains("grouping cannot be combined with --to");
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue