Commitfacc7c5

committed

tail: add test for tailing from end of device

1 parent24a556b commitfacc7c5Copy full SHA for facc7c5

File tree

+29

-0

lines changed

+29

-0

lines changed

Lines changed: 29 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -64,6 +64,8 @@ use uutests::util::expected_result;`
`64`	`64`	`#[cfg(unix)]`
`65`	`65`	`#[cfg(not(windows))]`
`66`	`66`	`use uutests::util::is_ci;`
	`67`	`+#[cfg(target_os ="linux")]`
	`68`	`+use uutests::util::run_ucmd_as_root;`
`67`	`69`	`use uutests::util_name;`
`68`	`70`
`69`	`71`	`constFOOBAR_TXT:&str ="foobar.txt";`
`@@ -4946,3 +4948,30 @@ fn test_dev_zero() {`
`4946`	`4948`	`.succeeds()`
`4947`	`4949`	`.stdout_only("\0");`
`4948`	`4950`	`}`
	`4951`	`+`
	`4952`	`+#[cfg(target_os ="linux")]`
	`4953`	`+#[cfg(feature ="df")]`
	`4954`	`+#[test]`
	`4955`	`+fntest_end_of_device(){`
	`4956`	`+let ts =TestScenario::new(util_name!());`
	`4957`	`+`
	`4958`	`+// Determine the device of the current working directory`
	`4959`	`+let result = ts`
	`4960`	`+.cmd("df")`
	`4961`	`+.args(&[".","--output=source","--local"])`
	`4962`	`+.succeeds();`
	`4963`	`+`
	`4964`	+// The output of `df` had a header line, we need the second line
	`4965`	`+ifletSome(device) = result.stdout_str().lines().nth(1){`
	`4966`	`+// read backwards 8 bytes from the end of the device`
	`4967`	`+ifletOk(result) =run_ucmd_as_root(&ts,&["-c","8", device]){`
	`4968`	`+ result.success();`
	`4969`	`+ result.no_stderr();`
	`4970`	`+assert_eq!(result.stdout().len(),8);`
	`4971`	`+}else{`
	`4972`	`+print!("Test skipped; requires root user");`
	`4973`	`+}`
	`4974`	`+}else{`
	`4975`	`+print!("Test skipped; could not determine device of current working directory");`
	`4976`	`+}`
	`4977`	`+}`

Comments

(0)