coreutils/tests/cat.rs

#[macro_use]
mod common;

use common::util::*;

static UTIL_NAME: &'static str = "cat";

#[test]
fn test_output_multi_files_print_all_chars() {
    let (_, mut ucmd) = testing(UTIL_NAME);
    ucmd.arg("alpha.txt")
        .arg("256.txt")
        .arg("-A")
        .arg("-n");

    assert_eq!(ucmd.run().stdout,
               "     1\tabcde$\n     2\tfghij$\n     3\tklmno$\n     4\tpqrst$\n     \
                5\tuvwxyz$\n     6\t^@^A^B^C^D^E^F^G^H^I$\n     \
                7\t^K^L^M^N^O^P^Q^R^S^T^U^V^W^X^Y^Z^[^\\^]^^^_ \
                !\"#$%&\'()*+,-./0123456789:;\
                <=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~^?M-^@M-^AM-^\
                BM-^CM-^DM-^EM-^FM-^GM-^HM-^IM-^JM-^KM-^LM-^MM-^NM-^OM-^PM-^QM-^RM-^SM-^TM-^UM-^V\
                M-^WM-^XM-^YM-^ZM-^[M-^\\M-^]M-^^M-^_M- \
                M-!M-\"M-#M-$M-%M-&M-\'M-(M-)M-*M-+M-,M--M-.M-/M-0M-1M-2M-3M-4M-5M-6M-7M-8M-9M-:\
                M-;M-<M-=M->M-?M-@M-AM-BM-CM-DM-EM-FM-GM-HM-IM-JM-KM-LM-MM-NM-OM-PM-QM-RM-SM-TM-U\
                M-VM-WM-XM-YM-ZM-[M-\\M-]M-^M-_M-`M-aM-bM-cM-dM-eM-fM-gM-hM-iM-jM-kM-lM-mM-nM-oM-\
                pM-qM-rM-sM-tM-uM-vM-wM-xM-yM-zM-{M-|M-}M-~M-^?");
}

#[test]
fn test_stdin_show_all() {
    let (_, mut ucmd) = testing(UTIL_NAME);
    let out = ucmd.arg("-A")
                  .run_piped_stdin("\x00\x01\x02".as_bytes())
                  .stdout;

    assert_eq!(out, "^@^A^B");
}

#[test]
fn test_stdin_squeeze_blank() {
    let (_, mut ucmd) = testing(UTIL_NAME);
    let out = ucmd.arg("--squeeze-blank")
                  .run_piped_stdin("\n\na\n\n\n\n\nb\n\n\n".as_bytes())
                  .stdout;

    assert_eq!(out, "\na\n\nb\n\n");
}

#[test]
fn test_stdin_number_non_blank() {
    let (_, mut ucmd) = testing(UTIL_NAME);
    let out = ucmd.arg("-b")
                  .arg("-")
                  .run_piped_stdin("\na\nb\n\n\nc".as_bytes())
                  .stdout;

    assert_eq!(out, "\n     1\ta\n     2\tb\n\n\n     3\tc");
}