Merge pull request #7622 from blyxxyz/flush-bufwriters

Flush `BufWriter`s, clean up error reporting

tests/by-util/test_cut.rs

@@ -375,3 +375,15 @@ fn test_output_delimiter_with_adjacent_ranges() {
         .succeeds()
         .stdout_only("ab:cd\n");
 }
+
+#[cfg(target_os = "linux")]
+#[test]
+fn test_failed_write_is_reported() {
+    new_ucmd!()
+        .arg("-d=")
+        .arg("-f1")
+        .pipe_in("key=value")
+        .set_stdout(std::fs::File::create("/dev/full").unwrap())
+        .fails()
+        .stderr_is("cut: write error: No space left on device\n");
+}

tests/by-util/test_ptx.rs

@@ -163,3 +163,14 @@ fn test_format() {
         .succeeds()
         .stdout_only("\\xx {}{}{a}{}{}\n");
 }
+
+#[cfg(target_os = "linux")]
+#[test]
+fn test_failed_write_is_reported() {
+    new_ucmd!()
+        .arg("-G")
+        .pipe_in("hello")
+        .set_stdout(std::fs::File::create("/dev/full").unwrap())
+        .fails()
+        .stderr_is("ptx: write failed: No space left on device\n");
+}

tests/by-util/test_sort.rs

@@ -1335,3 +1335,13 @@ fn test_human_blocks_r_and_q() {
 fn test_args_check_conflict() {
     new_ucmd!().arg("-c").arg("-C").fails();
 }
+
+#[cfg(target_os = "linux")]
+#[test]
+fn test_failed_write_is_reported() {
+    new_ucmd!()
+        .pipe_in("hello")
+        .set_stdout(std::fs::File::create("/dev/full").unwrap())
+        .fails()
+        .stderr_is("sort: write failed: 'standard output': No space left on device\n");
+}

tests/by-util/test_tac.rs

@@ -309,3 +309,13 @@ fn test_regex_before() {
         //          |--------||----||---|
         .stdout_is("+---+c+d-e+--++b+-+a+");
 }
+
+#[cfg(target_os = "linux")]
+#[test]
+fn test_failed_write_is_reported() {
+    new_ucmd!()
+        .pipe_in("hello")
+        .set_stdout(std::fs::File::create("/dev/full").unwrap())
+        .fails()
+        .stderr_is("tac: failed to write to stdout: No space left on device (os error 28)\n");
+}

tests/by-util/test_tail.rs

@@ -4843,3 +4843,13 @@ fn test_child_when_run_with_stderr_to_stdout() {
         .fails()
         .stdout_only(expected_stdout);
 }
+
+#[cfg(target_os = "linux")]
+#[test]
+fn test_failed_write_is_reported() {
+    new_ucmd!()
+        .pipe_in("hello")
+        .set_stdout(std::fs::File::create("/dev/full").unwrap())
+        .fails()
+        .stderr_is("tail: No space left on device\n");
+}

tests/by-util/test_tr.rs

@@ -1545,3 +1545,14 @@ fn test_non_digit_repeat() {
         .fails()
         .stderr_only("tr: invalid repeat count 'c' in [c*n] construct\n");
 }
+
+#[cfg(target_os = "linux")]
+#[test]
+fn test_failed_write_is_reported() {
+    new_ucmd!()
+        .pipe_in("hello")
+        .args(&["e", "a"])
+        .set_stdout(std::fs::File::create("/dev/full").unwrap())
+        .fails()
+        .stderr_is("tr: write error: No space left on device\n");
+}

tests/by-util/test_uniq.rs

@@ -1181,3 +1181,14 @@ fn test_stdin_w1_multibyte() {
         .succeeds()
         .stdout_is("à\ná\n");
 }
+
+#[cfg(target_os = "linux")]
+#[test]
+fn test_failed_write_is_reported() {
+    new_ucmd!()
+        .pipe_in("hello")
+        .args(&["-z"])
+        .set_stdout(std::fs::File::create("/dev/full").unwrap())
+        .fails()
+        .stderr_is("uniq: write error: No space left on device\n");
+}