[Issue 8680] New: SpanMode.breadth incorrect

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=8680

           Summary: SpanMode.breadth incorrect
           Product: D
           Version: D2
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Phobos
        AssignedTo: nobody at puremagic.com
        ReportedBy: Jesse.K.Phillips+D at gmail.com


--- Comment #0 from Jesse Phillips <Jesse.K.Phillips+D at gmail.com> 2012-09-17 11:44:24 PDT ---
Using Linux 64bit with a reiserFS the following code does not span in a breadth
manner. Testing on Windows 32bit it works as expected with on exception, all
directories are not listed before spanning.

import std.file;
import std.stdio;

void main() {
    mkdir("a");
    mkdir("a/b");
    mkdir("a/c");
    mkdir("a/c/z");
    std.file.write("a/1.txt", "");
    std.file.write("a/2.txt", "");
    std.file.write("a/b/1.txt", "");
    std.file.write("a/b/2.txt", "");
    std.file.write("a/c/1.txt", "");
    std.file.write("a/c/z/1.txt", "");
    foreach(string file; dirEntries("a/", SpanMode.breadth))
        writeln(file);

    rmdirRecurse("a");
}

   // Expected Approximation
    // a/2.txt
    // a/1.txt
    // a/b
    // a/c
    // a/c/1.txt
    // a/c/z
    // a/c/z/1.txt
    // a/b/1.txt
    // a/b/2.txt
    //
    // Actual
    // a/c
    // a/c/z
    // a/c/z/1.txt
    // a/c/1.txt
    // a/b
    // a/b/2.txt
    // a/b/1.txt
    // a/2.txt
    // a/1.txt

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