Fix: depth=0 bug for multiple arguments

https://github.com/bootandy/dust/issues/282

src/filter.rs

@@ -20,13 +20,20 @@ pub fn get_biggest(
 
     let mut heap = BinaryHeap::new();
     let number_top_level_nodes = top_level_nodes.len();
+
     let root = get_new_root(top_level_nodes);
     let mut allowed_nodes = HashSet::new();
 
     allowed_nodes.insert(root.name.as_path());
-    heap = add_children(using_a_filter, min_size, only_dir, &root, depth, heap);
 
-    for _ in number_top_level_nodes..n {
+    if number_top_level_nodes > 1 {
+        heap = add_children(using_a_filter, min_size, only_dir, &root, usize::MAX, heap);
+    } else {
+        heap = add_children(using_a_filter, min_size, only_dir, &root, depth, heap);
+    }
+
+    let number_of_lines_in_output = n - number_top_level_nodes;
+    for _ in 0..number_of_lines_in_output {
         let line = heap.pop();
         match line {
             Some(line) => {

tests/test_flags.rs

@@ -73,6 +73,7 @@ pub fn test_ignore_dir() {
     let output = build_command(vec!["-c", "-X", "dir_substring", "tests/test_dir2/"]);
     assert!(!output.contains("dir_substring"));
 }
+// Add test for multiple dirs - with -d 0 and maybe -d 1 check the
 
 #[test]
 pub fn test_with_bad_param() {

tests/tests_symlinks.rs

@@ -47,7 +47,7 @@ pub fn test_soft_sym_link() {
     let mut cmd = Command::cargo_bin("dust").unwrap();
     // Mac test runners create long filenames in tmp directories
     let output = cmd
-        .args(["-p", "-c", "-s", "-w 999", dir_s])
+        .args(["-p", "-c", "-s", "-w", "999", dir_s])
         .unwrap()
         .stdout;
 
@@ -74,7 +74,7 @@ pub fn test_hard_sym_link() {
 
     let mut cmd = Command::cargo_bin("dust").unwrap();
     // Mac test runners create long filenames in tmp directories
-    let output = cmd.args(["-p", "-c", "-w 999", dir_s]).unwrap().stdout;
+    let output = cmd.args(["-p", "-c", "-w", "999", dir_s]).unwrap().stdout;
 
     // The link should not appear in the output because multiple inodes are now ordered
     // then filtered.
@@ -100,17 +100,15 @@ pub fn test_hard_sym_link_no_dup_multi_arg() {
 
     // Mac test runners create long filenames in tmp directories
     let output = cmd
-        .args(["-p", "-c", "-w 999", "-b", dir_link_s, dir_s])
+        .args(["-p", "-c", "-w", "999", "-b", dir_link_s, dir_s])
         .unwrap()
         .stdout;
 
-    // The link or the file should appeart but not both
+    // The link or the file should appear but not both
     let output = str::from_utf8(&output).unwrap();
-    println!("cmd:\n{:?}", cmd);
-    println!("output:\n{:?}", output);
     let has_file_only = output.contains(file_path_s) && !output.contains(&link_name_s);
     let has_link_only = !output.contains(file_path_s) && output.contains(&link_name_s);
-    assert!(has_file_only || has_link_only)
+    assert!(has_file_only || has_link_only);
 }
 
 #[cfg_attr(target_os = "windows", ignore)]
@@ -131,7 +129,8 @@ pub fn test_recursive_sym_link() {
         .arg("-c")
         .arg("-r")
         .arg("-s")
-        .arg("-w 999")
+        .arg("-w")
+        .arg("999")
         .arg(dir_s)
         .unwrap()
         .stdout;