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expr: Refactor regex tests into multiple targeted functions

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Teemu Pätsi 2025-05-24 11:14:32 +03:00
parent b0390fe36e
commit 63ce37cf6e
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GPG key ID: 5494F73B045AB692
1 changed files with 106 additions and 101 deletions
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207
tests/by-util/test_expr.rs
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@ -273,112 +273,12 @@ fn test_length_mb() {
}
#[test]
fn test_regex() {
new_ucmd!()
.args(&["a^b", ":", "a^b"])
.succeeds()
.stdout_only("3\n");
new_ucmd!()
.args(&["a^b", ":", "a\\^b"])
.succeeds()
.stdout_only("3\n");
new_ucmd!()
.args(&["b", ":", "a\\|^b"])
.succeeds()
.stdout_only("1\n");
new_ucmd!()
.args(&["ab", ":", "\\(^a\\)b"])
.succeeds()
.stdout_only("a\n");
new_ucmd!()
.args(&["a$b", ":", "a\\$b"])
.succeeds()
.stdout_only("3\n");
new_ucmd!()
.args(&["a", ":", "a$\\|b"])
.succeeds()
.stdout_only("1\n");
new_ucmd!()
.args(&["ab", ":", "a\\(b$\\)"])
.succeeds()
.stdout_only("b\n");
new_ucmd!()
.args(&["abc", ":", "^abc"])
.succeeds()
.stdout_only("3\n");
new_ucmd!()
.args(&["^abc", ":", "^^abc"])
.succeeds()
.stdout_only("4\n");
new_ucmd!()
.args(&["b^$ic", ":", "b^\\$ic"])
.succeeds()
.stdout_only("5\n");
new_ucmd!()
.args(&["a$c", ":", "a$\\c"])
.succeeds()
.stdout_only("3\n");
new_ucmd!()
.args(&["$a", ":", "$a"])
.succeeds()
.stdout_only("2\n");
new_ucmd!()
.args(&["a", ":", "a$\\|b"])
.succeeds()
.stdout_only("1\n");
new_ucmd!()
.args(&["^^^^^^^^^", ":", "^^^"])
.succeeds()
.stdout_only("2\n");
new_ucmd!()
.args(&["ab[^c]", ":", "ab[^c]"])
.succeeds()
.stdout_only("3\n"); // Matches "ab["
new_ucmd!()
.args(&["ab[^c]", ":", "ab\\[^c]"])
.succeeds()
.stdout_only("6\n");
new_ucmd!()
.args(&["[^a]", ":", "\\[^a]"])
.succeeds()
.stdout_only("4\n");
new_ucmd!()
.args(&["\\a", ":", "\\\\[^^]"])
.succeeds()
.stdout_only("2\n");
new_ucmd!()
.args(&["^a", ":", "^^[^^]"])
.succeeds()
.stdout_only("2\n");
new_ucmd!()
.args(&["-5", ":", "-\\{0,1\\}[0-9]*$"])
.succeeds()
.stdout_only("2\n");
fn test_regex_empty() {
new_ucmd!().args(&["", ":", ""]).fails().stdout_only("0\n");
new_ucmd!()
.args(&["abc", ":", ""])
.fails()
.stdout_only("0\n");
new_ucmd!()
.args(&["abc", ":", "bc"])
.fails()
.stdout_only("0\n");
new_ucmd!()
.args(&["^abc", ":", "^abc"])
.fails()
.stdout_only("0\n");
new_ucmd!()
.args(&["abc", ":", "ab[^c]"])
.fails()
.stdout_only("0\n");
new_ucmd!()
.args(&["$", ":", "$"])
.fails()
.stdout_only("0\n");
new_ucmd!()
.args(&["a$", ":", "a$\\|b"])
.fails()
.stdout_only("0\n");
}
#[test]
@ -401,6 +301,111 @@ fn test_regex_trailing_backslash() {
.stderr_only("expr: Trailing backslash\n");
}
#[test]
fn test_regex_caret() {
new_ucmd!()
.args(&["a^b", ":", "a^b"])
.succeeds()
.stdout_only("3\n");
new_ucmd!()
.args(&["a^b", ":", "a\\^b"])
.succeeds()
.stdout_only("3\n");
new_ucmd!()
.args(&["abc", ":", "^abc"])
.succeeds()
.stdout_only("3\n");
new_ucmd!()
.args(&["^abc", ":", "^^abc"])
.succeeds()
.stdout_only("4\n");
new_ucmd!()
.args(&["b", ":", "a\\|^b"])
.succeeds()
.stdout_only("1\n");
new_ucmd!()
.args(&["ab", ":", "\\(^a\\)b"])
.succeeds()
.stdout_only("a\n");
new_ucmd!()
.args(&["^abc", ":", "^abc"])
.fails()
.stdout_only("0\n");
new_ucmd!()
.args(&["^^^^^^^^^", ":", "^^^"])
.succeeds()
.stdout_only("2\n");
new_ucmd!()
.args(&["ab[^c]", ":", "ab[^c]"])
.succeeds()
.stdout_only("3\n"); // Matches "ab["
new_ucmd!()
.args(&["ab[^c]", ":", "ab\\[^c]"])
.succeeds()
.stdout_only("6\n");
new_ucmd!()
.args(&["[^a]", ":", "\\[^a]"])
.succeeds()
.stdout_only("4\n");
new_ucmd!()
.args(&["\\a", ":", "\\\\[^^]"])
.succeeds()
.stdout_only("2\n");
// Patterns are anchored to the beginning of the pattern "^bc"
new_ucmd!()
.args(&["abc", ":", "bc"])
.fails()
.stdout_only("0\n");
new_ucmd!()
.args(&["^a", ":", "^^[^^]"])
.succeeds()
.stdout_only("2\n");
new_ucmd!()
.args(&["abc", ":", "ab[^c]"])
.fails()
.stdout_only("0\n");
}
#[test]
fn test_regex_dollar() {
new_ucmd!()
.args(&["a$b", ":", "a\\$b"])
.succeeds()
.stdout_only("3\n");
new_ucmd!()
.args(&["a", ":", "a$\\|b"])
.succeeds()
.stdout_only("1\n");
new_ucmd!()
.args(&["ab", ":", "a\\(b$\\)"])
.succeeds()
.stdout_only("b\n");
new_ucmd!()
.args(&["a$c", ":", "a$\\c"])
.succeeds()
.stdout_only("3\n");
new_ucmd!()
.args(&["$a", ":", "$a"])
.succeeds()
.stdout_only("2\n");
new_ucmd!()
.args(&["a", ":", "a$\\|b"])
.succeeds()
.stdout_only("1\n");
new_ucmd!()
.args(&["-5", ":", "-\\{0,1\\}[0-9]*$"])
.succeeds()
.stdout_only("2\n");
new_ucmd!()
.args(&["$", ":", "$"])
.fails()
.stdout_only("0\n");
new_ucmd!()
.args(&["a$", ":", "a$\\|b"])
.fails()
.stdout_only("0\n");
}
#[test]
fn test_substr() {
new_ucmd!()