From 0cafe2b70d463ec7c5a8ec2be6a42cdfd37e58f6 Mon Sep 17 00:00:00 2001 From: Jeffrey Finkelstein Date: Mon, 3 May 2021 20:52:32 -0400 Subject: [PATCH] wc: add tests for edge cases for wc on files --- tests/by-util/test_wc.rs | 57 ++++++++++++++ tests/fixtures/wc/emptyfile.txt | 0 tests/fixtures/wc/manyemptylines.txt | 100 ++++++++++++++++++++++++ tests/fixtures/wc/notrailingnewline.txt | 1 + tests/fixtures/wc/onelongemptyline.txt | 1 + tests/fixtures/wc/onelongword.txt | 1 + 6 files changed, 160 insertions(+) create mode 100644 tests/fixtures/wc/emptyfile.txt create mode 100644 tests/fixtures/wc/manyemptylines.txt create mode 100644 tests/fixtures/wc/notrailingnewline.txt create mode 100644 tests/fixtures/wc/onelongemptyline.txt create mode 100644 tests/fixtures/wc/onelongword.txt diff --git a/tests/by-util/test_wc.rs b/tests/by-util/test_wc.rs index 075878470..a16f1854e 100644 --- a/tests/by-util/test_wc.rs +++ b/tests/by-util/test_wc.rs @@ -112,3 +112,60 @@ fn test_multiple_default() { alice_in_wonderland.txt\n 36 370 2189 total\n", ); } + +/// Test for an empty file. +#[test] +fn test_file_empty() { + // TODO There is a leading space in the output that should be + // removed; see issue #2173. + new_ucmd!() + .args(&["-clmwL", "emptyfile.txt"]) + .run() + .stdout_is(" 0 0 0 0 0 emptyfile.txt\n"); +} + +/// Test for an file containing a single non-whitespace character +/// *without* a trailing newline. +#[test] +fn test_file_single_line_no_trailing_newline() { + // TODO There is a leading space in the output that should be + // removed; see issue #2173. + new_ucmd!() + .args(&["-clmwL", "notrailingnewline.txt"]) + .run() + .stdout_is(" 1 1 2 2 1 notrailingnewline.txt\n"); +} + +/// Test for a file that has 100 empty lines (that is, the contents of +/// the file are the newline character repeated one hundred times). +#[test] +fn test_file_many_empty_lines() { + // TODO There is a leading space in the output that should be + // removed; see issue #2173. + new_ucmd!() + .args(&["-clmwL", "manyemptylines.txt"]) + .run() + .stdout_is(" 100 0 100 100 0 manyemptylines.txt\n"); +} + +/// Test for a file that has one long line comprising only spaces. +#[test] +fn test_file_one_long_line_only_spaces() { + // TODO There is a leading space in the output that should be + // removed; see issue #2173. + new_ucmd!() + .args(&["-clmwL", "onelongemptyline.txt"]) + .run() + .stdout_is(" 1 0 10001 10001 10000 onelongemptyline.txt\n"); +} + +/// Test for a file that has one long line comprising a single "word". +#[test] +fn test_file_one_long_word() { + // TODO There is a leading space in the output that should be + // removed; see issue #2173. + new_ucmd!() + .args(&["-clmwL", "onelongword.txt"]) + .run() + .stdout_is(" 1 1 10001 10001 10000 onelongword.txt\n"); +} diff --git a/tests/fixtures/wc/emptyfile.txt b/tests/fixtures/wc/emptyfile.txt new file mode 100644 index 000000000..e69de29bb diff --git a/tests/fixtures/wc/manyemptylines.txt b/tests/fixtures/wc/manyemptylines.txt new file mode 100644 index 000000000..716f02896 --- /dev/null +++ b/tests/fixtures/wc/manyemptylines.txt @@ -0,0 +1,100 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/tests/fixtures/wc/notrailingnewline.txt b/tests/fixtures/wc/notrailingnewline.txt new file mode 100644 index 000000000..789819226 --- /dev/null +++ b/tests/fixtures/wc/notrailingnewline.txt @@ -0,0 +1 @@ +a diff --git a/tests/fixtures/wc/onelongemptyline.txt b/tests/fixtures/wc/onelongemptyline.txt new file mode 100644 index 000000000..f93ac3c2c --- /dev/null +++ b/tests/fixtures/wc/onelongemptyline.txt @@ -0,0 +1 @@ + diff --git a/tests/fixtures/wc/onelongword.txt b/tests/fixtures/wc/onelongword.txt new file mode 100644 index 000000000..9d693a7ca --- /dev/null +++ b/tests/fixtures/wc/onelongword.txt @@ -0,0 +1 @@ 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