coreutils/tests/by-util/test_numfmt.rs
2024-04-30 18:28:20 +02:00

1073 lines
25 KiB
Rust

// This file is part of the uutils coreutils package.
//
// For the full copyright and license information, please view the LICENSE
// file that was distributed with this source code.
// spell-checker:ignore (paths) gnutest
use crate::common::util::TestScenario;
#[test]
fn test_invalid_arg() {
new_ucmd!().arg("--definitely-invalid").fails().code_is(1);
}
#[test]
fn test_should_not_round_floats() {
new_ucmd!()
.args(&["0.99", "1.01", "1.1", "1.22", ".1", "-0.1"])
.succeeds()
.stdout_is("0.99\n1.01\n1.1\n1.22\n0.1\n-0.1\n");
}
#[test]
fn test_should_preserve_trailing_zeros() {
new_ucmd!()
.args(&["0.1000", "10.00"])
.succeeds()
.stdout_is("0.1000\n10.00\n");
}
#[test]
fn test_from_si() {
new_ucmd!()
.args(&["--from=si"])
.pipe_in("1000\n1.1M\n0.1G")
.run()
.stdout_is("1000\n1100000\n100000000\n");
}
#[test]
fn test_from_iec() {
new_ucmd!()
.args(&["--from=iec"])
.pipe_in("1024\n1.1M\n0.1G")
.run()
.stdout_is("1024\n1153434\n107374183\n");
}
#[test]
fn test_from_iec_i() {
new_ucmd!()
.args(&["--from=iec-i"])
.pipe_in("1.1Mi\n0.1Gi")
.run()
.stdout_is("1153434\n107374183\n");
}
#[test]
fn test_from_iec_i_requires_suffix() {
let numbers = vec!["1024", "10M"];
for number in numbers {
new_ucmd!()
.args(&["--from=iec-i", number])
.fails()
.code_is(2)
.stderr_is(format!(
"numfmt: missing 'i' suffix in input: '{number}' (e.g Ki/Mi/Gi)\n"
));
}
}
#[test]
fn test_from_auto() {
new_ucmd!()
.args(&["--from=auto"])
.pipe_in("1K\n1Ki")
.run()
.stdout_is("1000\n1024\n");
}
#[test]
fn test_to_si() {
new_ucmd!()
.args(&["--to=si"])
.pipe_in("1000\n1100000\n100000000")
.run()
.stdout_is("1.0K\n1.1M\n100M\n");
}
#[test]
fn test_to_iec() {
new_ucmd!()
.args(&["--to=iec"])
.pipe_in("1024\n1153434\n107374182")
.run()
.stdout_is("1.0K\n1.2M\n103M\n");
}
#[test]
fn test_to_iec_i() {
new_ucmd!()
.args(&["--to=iec-i"])
.pipe_in("1024\n1153434\n107374182")
.run()
.stdout_is("1.0Ki\n1.2Mi\n103Mi\n");
}
#[test]
fn test_input_from_free_arguments() {
new_ucmd!()
.args(&["--from=si", "1K", "1.1M", "0.1G"])
.run()
.stdout_is("1000\n1100000\n100000000\n");
}
#[test]
fn test_padding() {
new_ucmd!()
.args(&["--from=si", "--padding=8"])
.pipe_in("1K\n1.1M\n0.1G")
.run()
.stdout_is(" 1000\n 1100000\n100000000\n");
}
#[test]
fn test_negative_padding() {
new_ucmd!()
.args(&["--from=si", "--padding=-8"])
.pipe_in("1K\n1.1M\n0.1G")
.run()
.stdout_is("1000 \n1100000 \n100000000\n");
}
#[test]
fn test_header() {
new_ucmd!()
.args(&["--from=si", "--header=2"])
.pipe_in("header\nheader2\n1K\n1.1M\n0.1G")
.run()
.stdout_is("header\nheader2\n1000\n1100000\n100000000\n");
}
#[test]
fn test_header_default() {
new_ucmd!()
.args(&["--from=si", "--header"])
.pipe_in("header\n1K\n1.1M\n0.1G")
.run()
.stdout_is("header\n1000\n1100000\n100000000\n");
}
#[test]
fn test_header_error_if_non_numeric() {
new_ucmd!()
.args(&["--header=two"])
.run()
.stderr_is("numfmt: invalid header value 'two'\n");
}
#[test]
fn test_header_error_if_0() {
new_ucmd!()
.args(&["--header=0"])
.run()
.stderr_is("numfmt: invalid header value '0'\n");
}
#[test]
fn test_header_error_if_negative() {
new_ucmd!()
.args(&["--header=-3"])
.run()
.stderr_is("numfmt: invalid header value '-3'\n");
}
#[test]
fn test_negative() {
new_ucmd!()
.args(&["--from=si"])
.pipe_in("-1000\n-1.1M\n-0.1G")
.run()
.stdout_is("-1000\n-1100000\n-100000000\n");
new_ucmd!()
.args(&["--to=iec-i"])
.pipe_in("-1024\n-1153434\n-107374182")
.run()
.stdout_is("-1.0Ki\n-1.2Mi\n-103Mi\n");
}
#[test]
fn test_negative_zero() {
new_ucmd!().pipe_in("-0\n-0.0").run().stdout_is("0\n0.0\n");
}
#[test]
fn test_no_op() {
new_ucmd!()
.pipe_in("1024\n1234567")
.run()
.stdout_is("1024\n1234567\n");
}
#[test]
fn test_normalize() {
new_ucmd!()
.args(&["--from=si", "--to=si"])
.pipe_in("10000000K\n0.001K")
.run()
.stdout_is("10G\n1\n");
}
#[test]
fn test_si_to_iec() {
new_ucmd!()
.args(&["--from=si", "--to=iec", "15334263563K"])
.run()
.stdout_is("14T\n");
}
#[test]
fn test_should_report_invalid_empty_number_on_empty_stdin() {
new_ucmd!()
.args(&["--from=auto"])
.pipe_in("\n")
.run()
.stderr_is("numfmt: invalid number: ''\n");
}
#[test]
fn test_should_report_invalid_empty_number_on_blank_stdin() {
new_ucmd!()
.args(&["--from=auto"])
.pipe_in(" \t \n")
.run()
.stderr_is("numfmt: invalid number: ''\n");
}
#[test]
fn test_should_report_invalid_suffix_on_stdin() {
for c in b'a'..=b'z' {
new_ucmd!()
.args(&["--from=auto"])
.pipe_in(format!("1{}", c as char))
.run()
.stderr_is(format!(
"numfmt: invalid suffix in input: '1{}'\n",
c as char
));
}
// GNU numfmt reports this one as “invalid number”
new_ucmd!()
.args(&["--from=auto"])
.pipe_in("NaN")
.run()
.stderr_is("numfmt: invalid suffix in input: 'NaN'\n");
}
#[test]
fn test_should_report_invalid_number_with_interior_junk() {
// GNU numfmt reports this as “invalid suffix”
new_ucmd!()
.args(&["--from=auto"])
.pipe_in("1x0K")
.run()
.stderr_is("numfmt: invalid number: '1x0K'\n");
}
#[test]
fn test_should_skip_leading_space_from_stdin() {
new_ucmd!()
.args(&["--from=auto"])
.pipe_in(" 2Ki")
.run()
.stdout_is("2048\n");
// multi-line
new_ucmd!()
.args(&["--from=auto"])
.pipe_in("\t1Ki\n 2K")
.run()
.stdout_is("1024\n2000\n");
}
#[test]
fn test_should_convert_only_first_number_in_line() {
new_ucmd!()
.args(&["--from=auto"])
.pipe_in("1Ki 2M 3G")
.run()
.stdout_is("1024 2M 3G\n");
}
#[test]
fn test_leading_whitespace_should_imply_padding() {
new_ucmd!()
.args(&["--from=auto"])
.pipe_in(" 1K")
.run()
.stdout_is(" 1000\n");
new_ucmd!()
.args(&["--from=auto"])
.pipe_in(" 202Ki")
.run()
.stdout_is(" 206848\n");
}
#[test]
fn test_should_calculate_implicit_padding_per_line() {
new_ucmd!()
.args(&["--from=auto"])
.pipe_in(" 1Ki\n 2K")
.run()
.stdout_is(" 1024\n 2000\n");
}
#[test]
fn test_leading_whitespace_in_free_argument_should_imply_padding() {
new_ucmd!()
.args(&["--from=auto", " 1Ki"])
.run()
.stdout_is(" 1024\n");
}
#[test]
fn test_should_calculate_implicit_padding_per_free_argument() {
new_ucmd!()
.args(&["--from=auto", " 1Ki", " 2K"])
.run()
.stdout_is(" 1024\n 2000\n");
}
#[test]
fn test_to_si_should_truncate_output() {
new_ucmd!()
.args(&["--to=si"])
.pipe_in_fixture("gnutest_si_input.txt")
.succeeds()
.stdout_is_fixture("gnutest_si_result.txt");
}
#[test]
fn test_to_iec_should_truncate_output() {
new_ucmd!()
.args(&["--to=iec"])
.pipe_in_fixture("gnutest_iec_input.txt")
.succeeds()
.stdout_is_fixture("gnutest_iec_result.txt");
}
#[test]
fn test_to_iec_i_should_truncate_output() {
new_ucmd!()
.args(&["--to=iec-i"])
.pipe_in_fixture("gnutest_iec_input.txt")
.succeeds()
.stdout_is_fixture("gnutest_iec-i_result.txt");
}
#[test]
fn test_format_selected_field() {
new_ucmd!()
.args(&["--from=auto", "--field", "3", "1K 2K 3K"])
.succeeds()
.stdout_only("1K 2K 3000\n");
new_ucmd!()
.args(&["--from=auto", "--field", "2", "1K 2K 3K"])
.succeeds()
.stdout_only("1K 2000 3K\n");
}
#[test]
fn test_format_selected_fields() {
new_ucmd!()
.args(&["--from=auto", "--field", "1,4,3", "1K 2K 3K 4K 5K 6K"])
.succeeds()
.stdout_only("1000 2K 3000 4000 5K 6K\n");
new_ucmd!()
.args(&["--from=auto", "--field", "1,4 3", "1K 2K 3K 4K 5K 6K"])
.succeeds()
.stdout_only("1000 2K 3000 4000 5K 6K\n");
}
#[test]
fn test_format_implied_range_and_field() {
new_ucmd!()
.args(&["--from=auto", "--field", "-2,4", "1K 2K 3K 4K 5K 6K"])
.succeeds()
.stdout_only("1000 2000 3K 4000 5K 6K\n");
}
#[test]
fn test_should_succeed_if_selected_field_out_of_range() {
new_ucmd!()
.args(&["--from=auto", "--field", "9", "1K 2K 3K"])
.succeeds()
.stdout_only("1K 2K 3K\n");
}
#[test]
fn test_format_selected_field_range() {
new_ucmd!()
.args(&["--from=auto", "--field", "2-5", "1K 2K 3K 4K 5K 6K"])
.succeeds()
.stdout_only("1K 2000 3000 4000 5000 6K\n");
}
#[test]
fn test_format_all_fields() {
let all_fields_patterns = vec!["-", "-,3", "3,-", "1,-,3", "- 3"];
for pattern in all_fields_patterns {
new_ucmd!()
.args(&["--from=auto", "--field", pattern, "1K 2K 3K 4K 5K 6K"])
.succeeds()
.stdout_only("1000 2000 3000 4000 5000 6000\n");
}
}
#[test]
fn test_should_succeed_if_range_out_of_bounds() {
new_ucmd!()
.args(&["--from=auto", "--field", "5-10", "1K 2K 3K 4K 5K 6K"])
.succeeds()
.stdout_only("1K 2K 3K 4K 5000 6000\n");
}
#[test]
fn test_implied_initial_field_value() {
new_ucmd!()
.args(&["--from=auto", "--field", "-2", "1K 2K 3K"])
.succeeds()
.stdout_only("1000 2000 3K\n");
// same as above but with the equal sign
new_ucmd!()
.args(&["--from=auto", "--field=-2", "1K 2K 3K"])
.succeeds()
.stdout_only("1000 2000 3K\n");
}
#[test]
fn test_field_df_example() {
// df -B1 | numfmt --header --field 2-4 --to=si
new_ucmd!()
.args(&["--header", "--field", "2-4", "--to=si"])
.pipe_in_fixture("df_input.txt")
.succeeds()
.stdout_is_fixture("df_expected.txt");
}
#[test]
fn test_delimiter_must_not_be_empty() {
new_ucmd!().args(&["-d"]).fails();
}
#[test]
fn test_delimiter_must_not_be_more_than_one_character() {
new_ucmd!()
.args(&["--delimiter", "sad"])
.fails()
.stderr_is("numfmt: the delimiter must be a single character\n");
}
#[test]
fn test_delimiter_only() {
new_ucmd!()
.args(&["-d", ","])
.pipe_in("1234,56")
.succeeds()
.stdout_only("1234,56\n");
}
#[test]
fn test_line_is_field_with_no_delimiter() {
new_ucmd!()
.args(&["-d,", "--to=iec"])
.pipe_in("123456")
.succeeds()
.stdout_only("121K\n");
}
#[test]
fn test_delimiter_to_si() {
new_ucmd!()
.args(&["-d=,", "--to=si"])
.pipe_in("1234,56")
.succeeds()
.stdout_only("1.3K,56\n");
}
#[test]
fn test_delimiter_skips_leading_whitespace() {
new_ucmd!()
.args(&["-d=,", "--to=si"])
.pipe_in(" \t 1234,56")
.succeeds()
.stdout_only("1.3K,56\n");
}
#[test]
fn test_delimiter_preserves_leading_whitespace_in_unselected_fields() {
new_ucmd!()
.args(&["-d=|", "--to=si"])
.pipe_in(" 1000| 2000")
.succeeds()
.stdout_only("1.0K| 2000\n");
}
#[test]
fn test_delimiter_from_si() {
new_ucmd!()
.args(&["-d=,", "--from=si"])
.pipe_in("1.2K,56")
.succeeds()
.stdout_only("1200,56\n");
}
#[test]
fn test_delimiter_overrides_whitespace_separator() {
// GNU numfmt reports this as “invalid suffix”
new_ucmd!()
.args(&["-d,"])
.pipe_in("1 234,56")
.fails()
.stderr_is("numfmt: invalid number: '1 234'\n");
}
#[test]
fn test_delimiter_with_padding() {
new_ucmd!()
.args(&["-d=|", "--to=si", "--padding=5"])
.pipe_in("1000|2000")
.succeeds()
.stdout_only(" 1.0K|2000\n");
}
#[test]
fn test_delimiter_with_padding_and_fields() {
new_ucmd!()
.args(&["-d=|", "--to=si", "--padding=5", "--field=-"])
.pipe_in("1000|2000")
.succeeds()
.stdout_only(" 1.0K| 2.0K\n");
}
#[test]
fn test_round() {
for (method, exp) in [
("from-zero", ["9.1K", "-9.1K", "9.1K", "-9.1K"]),
("from-zer", ["9.1K", "-9.1K", "9.1K", "-9.1K"]),
("f", ["9.1K", "-9.1K", "9.1K", "-9.1K"]),
("towards-zero", ["9.0K", "-9.0K", "9.0K", "-9.0K"]),
("up", ["9.1K", "-9.0K", "9.1K", "-9.0K"]),
("down", ["9.0K", "-9.1K", "9.0K", "-9.1K"]),
("nearest", ["9.0K", "-9.0K", "9.1K", "-9.1K"]),
("near", ["9.0K", "-9.0K", "9.1K", "-9.1K"]),
("n", ["9.0K", "-9.0K", "9.1K", "-9.1K"]),
] {
new_ucmd!()
.args(&[
"--to=si",
&format!("--round={method}"),
"--",
"9001",
"-9001",
"9099",
"-9099",
])
.succeeds()
.stdout_only(exp.join("\n") + "\n");
}
}
#[test]
fn test_round_with_to_unit() {
for (method, exp) in [
("from-zero", ["6", "-6", "5.9", "-5.9", "5.86", "-5.86"]),
("towards-zero", ["5", "-5", "5.8", "-5.8", "5.85", "-5.85"]),
("up", ["6", "-5", "5.9", "-5.8", "5.86", "-5.85"]),
("down", ["5", "-6", "5.8", "-5.9", "5.85", "-5.86"]),
("nearest", ["6", "-6", "5.9", "-5.9", "5.86", "-5.86"]),
] {
new_ucmd!()
.args(&[
"--to-unit=1024",
&format!("--round={method}"),
"--",
"6000",
"-6000",
"6000.0",
"-6000.0",
"6000.00",
"-6000.00",
])
.succeeds()
.stdout_only(exp.join("\n") + "\n");
}
}
#[test]
fn test_suffix_is_added_if_not_supplied() {
new_ucmd!()
.args(&["--suffix=TEST"])
.pipe_in("1000")
.succeeds()
.stdout_only("1000TEST\n");
}
#[test]
fn test_suffix_is_preserved() {
new_ucmd!()
.args(&["--suffix=TEST"])
.pipe_in("1000TEST")
.succeeds()
.stdout_only("1000TEST\n");
}
#[test]
fn test_suffix_is_only_applied_to_selected_field() {
new_ucmd!()
.args(&["--suffix=TEST", "--field=2"])
.pipe_in("1000 2000 3000")
.succeeds()
.stdout_only("1000 2000TEST 3000\n");
}
#[test]
fn test_transform_with_suffix_on_input() {
new_ucmd!()
.args(&["--suffix=b", "--to=si"])
.pipe_in("2000b")
.succeeds()
.stdout_only("2.0Kb\n");
}
#[test]
fn test_transform_without_suffix_on_input() {
new_ucmd!()
.args(&["--suffix=b", "--to=si"])
.pipe_in("2000")
.succeeds()
.stdout_only("2.0Kb\n");
}
#[test]
fn test_transform_with_suffix_and_delimiter() {
new_ucmd!()
.args(&["--suffix=b", "--to=si", "-d=|"])
.pipe_in("1000b|2000|3000")
.succeeds()
.stdout_only("1.0Kb|2000|3000\n");
}
#[test]
fn test_suffix_with_padding() {
new_ucmd!()
.args(&["--suffix=pad", "--padding=12"])
.pipe_in("1000 2000 3000")
.succeeds()
.stdout_only(" 1000pad 2000 3000\n");
}
#[test]
fn test_invalid_stdin_number_returns_status_2() {
new_ucmd!().pipe_in("hello").fails().code_is(2);
}
#[test]
fn test_invalid_stdin_number_in_middle_of_input() {
new_ucmd!()
.pipe_in("100\nhello\n200")
.ignore_stdin_write_error()
.fails()
.stdout_is("100\n")
.code_is(2);
}
#[test]
fn test_invalid_stdin_number_with_warn_returns_status_0() {
new_ucmd!()
.args(&["--invalid=warn"])
.pipe_in("4Q")
.succeeds()
.stdout_is("4Q\n")
.stderr_is("numfmt: invalid suffix in input: '4Q'\n");
}
#[test]
fn test_invalid_stdin_number_with_ignore_returns_status_0() {
new_ucmd!()
.args(&["--invalid=ignore"])
.pipe_in("4Q")
.succeeds()
.stdout_only("4Q\n");
}
#[test]
fn test_invalid_stdin_number_with_abort_returns_status_2() {
new_ucmd!()
.args(&["--invalid=abort"])
.pipe_in("4Q")
.fails()
.code_is(2)
.stderr_only("numfmt: invalid suffix in input: '4Q'\n");
}
#[test]
fn test_invalid_stdin_number_with_fail_returns_status_2() {
new_ucmd!()
.args(&["--invalid=fail"])
.pipe_in("4Q")
.fails()
.code_is(2)
.stdout_is("4Q\n")
.stderr_is("numfmt: invalid suffix in input: '4Q'\n");
}
#[test]
fn test_invalid_arg_number_with_warn_returns_status_0() {
new_ucmd!()
.args(&["--invalid=warn", "4Q"])
.succeeds()
.stdout_is("4Q\n")
.stderr_is("numfmt: invalid suffix in input: '4Q'\n");
}
#[test]
fn test_invalid_arg_number_with_ignore_returns_status_0() {
new_ucmd!()
.args(&["--invalid=ignore", "4Q"])
.succeeds()
.stdout_only("4Q\n");
}
#[test]
fn test_invalid_arg_number_with_abort_returns_status_2() {
new_ucmd!()
.args(&["--invalid=abort", "4Q"])
.fails()
.code_is(2)
.stderr_only("numfmt: invalid suffix in input: '4Q'\n");
}
#[test]
fn test_invalid_arg_number_with_fail_returns_status_2() {
new_ucmd!()
.args(&["--invalid=fail", "4Q"])
.fails()
.code_is(2)
.stdout_is("4Q\n")
.stderr_is("numfmt: invalid suffix in input: '4Q'\n");
}
#[test]
fn test_invalid_argument_returns_status_1() {
new_ucmd!()
.args(&["--header=hello"])
.pipe_in("53478")
.ignore_stdin_write_error()
.fails()
.code_is(1);
}
#[test]
fn test_invalid_padding_value() {
let padding_values = vec!["A", "0"];
for padding_value in padding_values {
new_ucmd!()
.arg(format!("--padding={padding_value}"))
.arg("5")
.fails()
.code_is(1)
.stderr_contains(format!("invalid padding value '{padding_value}'"));
}
}
#[test]
fn test_from_unit() {
new_ucmd!()
.args(&["--from-unit=512", "4"])
.succeeds()
.stdout_is("2048\n");
}
#[test]
fn test_to_unit() {
new_ucmd!()
.args(&["--to-unit=512", "2048"])
.succeeds()
.stdout_is("4\n");
}
#[test]
fn test_invalid_unit_size() {
let commands = vec!["from", "to"];
let invalid_sizes = vec!["A", "0", "18446744073709551616"];
for command in commands {
for invalid_size in &invalid_sizes {
new_ucmd!()
.arg(format!("--{command}-unit={invalid_size}"))
.fails()
.code_is(1)
.stderr_contains(format!("invalid unit size: '{invalid_size}'"));
}
}
}
#[test]
fn test_valid_but_forbidden_suffix() {
let numbers = vec!["12K", "12Ki"];
for number in numbers {
new_ucmd!()
.arg(number)
.fails()
.code_is(2)
.stderr_contains(format!(
"rejecting suffix in input: '{number}' (consider using --from)"
));
}
}
#[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!("{expected}\n"));
}
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!("{expected}\n"));
}
}
#[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!("{expected}\n"));
}
}
#[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!("{expected}\n"));
}
}
#[test]
fn test_format_preserve_trailing_zeros_if_no_precision_is_specified() {
let values = vec!["10.0", "0.0100"];
for value in values {
new_ucmd!()
.args(&["--format=%f", value])
.succeeds()
.stdout_is(format!("{value}\n"));
}
}
#[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 '{invalid_format}' has no % directive"));
}
}
#[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 '{invalid_format}' ends in %"));
}
#[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 '{invalid_format}' has too many % directives"
));
}
#[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 '{invalid_format}', directive must be %[0]['][-][N][.][N]f"
));
}
}
#[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 '{invalid_format}' (width overflow)"
));
}
#[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");
}