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Code Issues Activity

seq: correct width for certain negative decimals

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Fix a bug in which a negative decimal input would not be displayed with
the correct width in the output. Before this commit, the output was
incorrectly

    $ seq -w -.1 .1 .11
    -0.1
    0.0
    0.1

After this commit, the output is correctly

    $ seq -w -.1 .1 .11
    -0.1
    00.0
    00.1

The code was failing to take into account that the input decimal "-.1"
needs to be displayed with a leading zero, like "-0.1".
This commit is contained in:
Jeffrey Finkelstein 2021-10-24 13:44:19 -04:00
parent 5c0adb26a5
commit 294bde8e08
2 changed files with 90 additions and 4 deletions
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57
tests/by-util/test_seq.rs
View file

@ -473,6 +473,15 @@ fn test_width_decimal_scientific_notation_trailing_zeros_increment() {
.no_stderr();
}
#[test]
fn test_width_negative_decimal_notation() {
new_ucmd!()
.args(&["-w", "-.1", ".1", ".11"])
.succeeds()
.stdout_is("-0.1\n00.0\n00.1\n")
.no_stderr();
}
#[test]
fn test_width_negative_scientific_notation() {
new_ucmd!()
@ -480,6 +489,54 @@ fn test_width_negative_scientific_notation() {
.succeeds()
.stdout_is("-0.001\n00.999\n")
.no_stderr();
new_ucmd!()
.args(&["-w", "-1.e-3", "1"])
.succeeds()
.stdout_is("-0.001\n00.999\n")
.no_stderr();
new_ucmd!()
.args(&["-w", "-1.0e-4", "1"])
.succeeds()
.stdout_is("-0.00010\n00.99990\n")
.no_stderr();
new_ucmd!()
.args(&["-w", "-.1e2", "10", "100"])
.succeeds()
.stdout_is(
"-010
0000
0010
0020
0030
0040
0050
0060
0070
0080
0090
0100
",
)
.no_stderr();
new_ucmd!()
.args(&["-w", "-0.1e2", "10", "100"])
.succeeds()
.stdout_is(
"-010
0000
0010
0020
0030
0040
0050
0060
0070
0080
0090
0100
",
)
.no_stderr();
}
/// Test that trailing zeros in the end argument do not contribute to width.