From a75fd4ff156abdd131c2b609b9b19573813838a0 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Igor=20Anic=CC=81?= Date: Mon, 11 Dec 2023 23:55:07 +0100 Subject: [PATCH] tar: move test cases to std/tar/testdata Create std/tar/test.zig for test which uses cases from testdata. --- lib/std/tar.zig | 374 +----------------- lib/std/tar/test.zig | 373 +++++++++++++++++ .../std/tar/testdata}/gnu-incremental.tar | Bin .../std/tar/testdata}/gnu-long-nul.tar | Bin .../std/tar/testdata}/gnu-multi-hdrs.tar | Bin .../std/tar/testdata}/gnu-not-utf8.tar | Bin .../tar => lib/std/tar/testdata}/gnu-utf8.tar | Bin .../tar => lib/std/tar/testdata}/gnu.tar | Bin .../std/tar/testdata}/invalid-go17.tar | Bin .../std/tar/testdata}/issue10968.tar | Bin .../std/tar/testdata}/issue11169.tar | Bin .../std/tar/testdata}/issue12435.tar | Bin .../tar => lib/std/tar/testdata}/neg-size.tar | Bin .../tar => lib/std/tar/testdata}/nil-uid.tar | Bin .../std/tar/testdata}/pax-bad-hdr-file.tar | Bin .../std/tar/testdata}/pax-global-records.tar | Bin .../std/tar/testdata}/pax-multi-hdrs.tar | Bin .../std/tar/testdata}/pax-nul-path.tar | Bin .../std/tar/testdata}/pax-nul-xattrs.tar | Bin .../std/tar/testdata}/pax-pos-size-file.tar | Bin .../std/tar/testdata}/pax-records.tar | Bin .../tar => lib/std/tar/testdata}/pax.tar | Bin .../std/tar/testdata}/sparse-formats.tar | Bin .../tar => lib/std/tar/testdata}/star.tar | Bin .../std/tar/testdata}/trailing-slash.tar | Bin .../std/tar/testdata}/ustar-file-devs.tar | Bin .../cases/tar => lib/std/tar/testdata}/v7.tar | Bin .../std/tar/testdata}/writer-big-long.tar | Bin .../std/tar/testdata}/writer-big.tar | Bin .../tar => lib/std/tar/testdata}/xattrs.tar | Bin 30 files changed, 377 insertions(+), 370 deletions(-) create mode 100644 lib/std/tar/test.zig rename {test/cases/tar => lib/std/tar/testdata}/gnu-incremental.tar (100%) rename {test/cases/tar => lib/std/tar/testdata}/gnu-long-nul.tar (100%) rename {test/cases/tar => lib/std/tar/testdata}/gnu-multi-hdrs.tar (100%) rename {test/cases/tar => lib/std/tar/testdata}/gnu-not-utf8.tar (100%) rename {test/cases/tar => lib/std/tar/testdata}/gnu-utf8.tar (100%) rename {test/cases/tar => lib/std/tar/testdata}/gnu.tar (100%) rename {test/cases/tar => lib/std/tar/testdata}/invalid-go17.tar (100%) rename {test/cases/tar => lib/std/tar/testdata}/issue10968.tar (100%) rename {test/cases/tar => lib/std/tar/testdata}/issue11169.tar (100%) rename {test/cases/tar => lib/std/tar/testdata}/issue12435.tar (100%) rename {test/cases/tar => lib/std/tar/testdata}/neg-size.tar (100%) rename {test/cases/tar => lib/std/tar/testdata}/nil-uid.tar (100%) rename {test/cases/tar => lib/std/tar/testdata}/pax-bad-hdr-file.tar (100%) rename {test/cases/tar => lib/std/tar/testdata}/pax-global-records.tar (100%) rename {test/cases/tar => lib/std/tar/testdata}/pax-multi-hdrs.tar (100%) rename {test/cases/tar => lib/std/tar/testdata}/pax-nul-path.tar (100%) rename {test/cases/tar => lib/std/tar/testdata}/pax-nul-xattrs.tar (100%) rename {test/cases/tar => lib/std/tar/testdata}/pax-pos-size-file.tar (100%) rename {test/cases/tar => lib/std/tar/testdata}/pax-records.tar (100%) rename {test/cases/tar => lib/std/tar/testdata}/pax.tar (100%) rename {test/cases/tar => lib/std/tar/testdata}/sparse-formats.tar (100%) rename {test/cases/tar => lib/std/tar/testdata}/star.tar (100%) rename {test/cases/tar => lib/std/tar/testdata}/trailing-slash.tar (100%) rename {test/cases/tar => lib/std/tar/testdata}/ustar-file-devs.tar (100%) rename {test/cases/tar => lib/std/tar/testdata}/v7.tar (100%) rename {test/cases/tar => lib/std/tar/testdata}/writer-big-long.tar (100%) rename {test/cases/tar => lib/std/tar/testdata}/writer-big.tar (100%) rename {test/cases/tar => lib/std/tar/testdata}/xattrs.tar (100%) diff --git a/lib/std/tar.zig b/lib/std/tar.zig index ff8cfd4a36..4f6824de1f 100644 --- a/lib/std/tar.zig +++ b/lib/std/tar.zig @@ -601,376 +601,6 @@ test "tar stripComponents" { try expectEqualStrings("c", try stripComponents("a/b/c", 2)); } -test "tar run Go test cases" { - const Case = struct { - const File = struct { - name: []const u8, - size: usize = 0, - mode: u32 = 0, - link_name: []const u8 = &[0]u8{}, - kind: Header.Kind = .normal, - truncated: bool = false, // when there is no file body, just header, usefull for huge files - }; - - path: []const u8, // path to the tar archive file on dis - files: []const File = &[_]@This().File{}, // expected files to found in archive - chksums: []const []const u8 = &[_][]const u8{}, // chksums of files content - err: ?anyerror = null, // parsing should fail with this error - }; - - const src_path = comptime std.fs.path.dirname(@src().file) orelse "."; - const test_dir = try std.fs.cwd().openDir(src_path ++ "/../../test/cases/tar", .{}); - - const cases = [_]Case{ - .{ - .path = "gnu.tar", - .files = &[_]Case.File{ - .{ - .name = "small.txt", - .size = 5, - .mode = 0o640, - }, - .{ - .name = "small2.txt", - .size = 11, - .mode = 0o640, - }, - }, - .chksums = &[_][]const u8{ - "e38b27eaccb4391bdec553a7f3ae6b2f", - "c65bd2e50a56a2138bf1716f2fd56fe9", - }, - }, - .{ - .path = "sparse-formats.tar", - .err = error.TarUnsupportedHeader, - }, - .{ - .path = "star.tar", - .files = &[_]Case.File{ - .{ - .name = "small.txt", - .size = 5, - .mode = 0o640, - }, - .{ - .name = "small2.txt", - .size = 11, - .mode = 0o640, - }, - }, - .chksums = &[_][]const u8{ - "e38b27eaccb4391bdec553a7f3ae6b2f", - "c65bd2e50a56a2138bf1716f2fd56fe9", - }, - }, - .{ - .path = "v7.tar", - .files = &[_]Case.File{ - .{ - .name = "small.txt", - .size = 5, - .mode = 0o444, - }, - .{ - .name = "small2.txt", - .size = 11, - .mode = 0o444, - }, - }, - .chksums = &[_][]const u8{ - "e38b27eaccb4391bdec553a7f3ae6b2f", - "c65bd2e50a56a2138bf1716f2fd56fe9", - }, - }, - .{ - .path = "pax.tar", - .files = &[_]Case.File{ - .{ - .name = "a/123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100", - .size = 7, - .mode = 0o664, - }, - .{ - .name = "a/b", - .size = 0, - .kind = .symbolic_link, - .mode = 0o777, - .link_name = "123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100", - }, - }, - .chksums = &[_][]const u8{ - "3c382e8f5b6631aa2db52643912ffd4a", - }, - }, - .{ - // pax attribute don't end with \n - .path = "pax-bad-hdr-file.tar", - .err = error.PaxInvalidAttributeEnd, - }, - .{ - // size is in pax attribute - .path = "pax-pos-size-file.tar", - .files = &[_]Case.File{ - .{ - .name = "foo", - .size = 999, - .kind = .normal, - .mode = 0o640, - }, - }, - .chksums = &[_][]const u8{ - "0afb597b283fe61b5d4879669a350556", - }, - }, - .{ - // has pax records which we are not interested in - .path = "pax-records.tar", - .files = &[_]Case.File{ - .{ - .name = "file", - }, - }, - }, - .{ - // has global records which we are ignoring - .path = "pax-global-records.tar", - .files = &[_]Case.File{ - .{ - .name = "file1", - }, - .{ - .name = "file2", - }, - .{ - .name = "file3", - }, - .{ - .name = "file4", - }, - }, - }, - .{ - .path = "nil-uid.tar", - .files = &[_]Case.File{ - .{ - .name = "P1050238.JPG.log", - .size = 14, - .kind = .normal, - .mode = 0o664, - }, - }, - .chksums = &[_][]const u8{ - "08d504674115e77a67244beac19668f5", - }, - }, - .{ - // has xattrs and pax records which we are ignoring - .path = "xattrs.tar", - .files = &[_]Case.File{ - .{ - .name = "small.txt", - .size = 5, - .kind = .normal, - .mode = 0o644, - }, - .{ - .name = "small2.txt", - .size = 11, - .kind = .normal, - .mode = 0o644, - }, - }, - .chksums = &[_][]const u8{ - "e38b27eaccb4391bdec553a7f3ae6b2f", - "c65bd2e50a56a2138bf1716f2fd56fe9", - }, - }, - .{ - .path = "gnu-multi-hdrs.tar", - .files = &[_]Case.File{ - .{ - .name = "GNU2/GNU2/long-path-name", - .link_name = "GNU4/GNU4/long-linkpath-name", - .kind = .symbolic_link, - }, - }, - }, - .{ - // has gnu type D (directory) and S (sparse) blocks - .path = "gnu-incremental.tar", - .err = error.TarUnsupportedHeader, - }, - .{ - // should use values only from last pax header - .path = "pax-multi-hdrs.tar", - .files = &[_]Case.File{ - .{ - .name = "bar", - .link_name = "PAX4/PAX4/long-linkpath-name", - .kind = .symbolic_link, - }, - }, - }, - .{ - .path = "gnu-long-nul.tar", - .files = &[_]Case.File{ - .{ - .name = "0123456789", - .mode = 0o644, - }, - }, - }, - .{ - .path = "gnu-utf8.tar", - .files = &[_]Case.File{ - .{ - .name = "☺☻☹☺☻☹☺☻☹☺☻☹☺☻☹☺☻☹☺☻☹☺☻☹☺☻☹☺☻☹☺☻☹☺☻☹☺☻☹☺☻☹☺☻☹☺☻☹☺☻☹☺☻☹", - .mode = 0o644, - }, - }, - }, - .{ - .path = "gnu-not-utf8.tar", - .files = &[_]Case.File{ - .{ - .name = "hi\x80\x81\x82\x83bye", - .mode = 0o644, - }, - }, - }, - .{ - // null in pax key - .path = "pax-nul-xattrs.tar", - .err = error.PaxNullInKeyword, - }, - .{ - .path = "pax-nul-path.tar", - .err = error.PaxNullInValue, - }, - .{ - .path = "neg-size.tar", - .err = error.TarHeader, - }, - .{ - .path = "issue10968.tar", - .err = error.TarHeader, - }, - .{ - .path = "issue11169.tar", - .err = error.TarHeader, - }, - .{ - .path = "issue12435.tar", - .err = error.TarHeaderChksum, - }, - .{ - // has magic with space at end instead of null - .path = "invalid-go17.tar", - .files = &[_]Case.File{ - .{ - .name = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/foo", - }, - }, - }, - .{ - .path = "ustar-file-devs.tar", - .files = &[_]Case.File{ - .{ - .name = "file", - .mode = 0o644, - }, - }, - }, - .{ - .path = "trailing-slash.tar", - .files = &[_]Case.File{ - .{ - .name = "123456789/" ** 30, - .kind = .directory, - }, - }, - }, - .{ - // Has size in gnu extended format. To represent size bigger than 8 GB. - .path = "writer-big.tar", - .files = &[_]Case.File{ - .{ - .name = "tmp/16gig.txt", - .size = 16 * 1024 * 1024 * 1024, - .truncated = true, - .mode = 0o640, - }, - }, - }, - .{ - // Size in gnu extended format, and name in pax attribute. - .path = "writer-big-long.tar", - .files = &[_]Case.File{ - .{ - .name = "longname/" ** 15 ++ "16gig.txt", - .size = 16 * 1024 * 1024 * 1024, - .mode = 0o644, - .truncated = true, - }, - }, - }, - }; - - for (cases) |case| { - var fs_file = try test_dir.openFile(case.path, .{}); - - defer fs_file.close(); - - var iter = tarReader(fs_file.reader(), null); - var i: usize = 0; - while (iter.next() catch |err| { - if (case.err) |e| { - try std.testing.expectEqual(e, err); - continue; - } else { - return err; - } - }) |actual| : (i += 1) { - const expected = case.files[i]; - try std.testing.expectEqualStrings(expected.name, actual.name); - try std.testing.expectEqual(expected.size, actual.size); - try std.testing.expectEqual(expected.kind, actual.kind); - try std.testing.expectEqual(expected.mode, actual.mode); - try std.testing.expectEqualStrings(expected.link_name, actual.link_name); - - if (case.chksums.len > i) { - var md5writer = Md5Writer{}; - try actual.write(&md5writer); - const chksum = md5writer.chksum(); - try std.testing.expectEqualStrings(case.chksums[i], &chksum); - } else { - if (!expected.truncated) try actual.skip(); // skip file content - } - } - try std.testing.expectEqual(case.files.len, i); - } -} - -// used in test to calculate file chksum -const Md5Writer = struct { - h: std.crypto.hash.Md5 = std.crypto.hash.Md5.init(.{}), - - pub fn writeAll(self: *Md5Writer, buf: []const u8) !void { - self.h.update(buf); - } - - pub fn writeByte(self: *Md5Writer, byte: u8) !void { - self.h.update(&[_]u8{byte}); - } - - pub fn chksum(self: *Md5Writer) [32]u8 { - var s = [_]u8{0} ** 16; - self.h.final(&s); - return std.fmt.bytesToHex(s, .lower); - } -}; - test "tar PaxReader" { const Attr = struct { kind: PaxAttributeKind, @@ -1094,3 +724,7 @@ test "tar PaxReader" { try std.testing.expect(case.err == null); } } + +test { + _ = @import("tar/test.zig"); +} diff --git a/lib/std/tar/test.zig b/lib/std/tar/test.zig new file mode 100644 index 0000000000..f6a9fa1cfd --- /dev/null +++ b/lib/std/tar/test.zig @@ -0,0 +1,373 @@ +const std = @import("../std.zig"); +const tar = std.tar; +const assert = std.debug.assert; + +test "tar run Go test cases" { + const Case = struct { + const File = struct { + name: []const u8, + size: usize = 0, + mode: u32 = 0, + link_name: []const u8 = &[0]u8{}, + kind: tar.Header.Kind = .normal, + truncated: bool = false, // when there is no file body, just header, usefull for huge files + }; + + path: []const u8, // path to the tar archive file on dis + files: []const File = &[_]@This().File{}, // expected files to found in archive + chksums: []const []const u8 = &[_][]const u8{}, // chksums of files content + err: ?anyerror = null, // parsing should fail with this error + }; + + const src_path = comptime std.fs.path.dirname(@src().file) orelse "."; + const test_dir = try std.fs.cwd().openDir(src_path ++ "/testdata", .{}); + + const cases = [_]Case{ + .{ + .path = "gnu.tar", + .files = &[_]Case.File{ + .{ + .name = "small.txt", + .size = 5, + .mode = 0o640, + }, + .{ + .name = "small2.txt", + .size = 11, + .mode = 0o640, + }, + }, + .chksums = &[_][]const u8{ + "e38b27eaccb4391bdec553a7f3ae6b2f", + "c65bd2e50a56a2138bf1716f2fd56fe9", + }, + }, + .{ + .path = "sparse-formats.tar", + .err = error.TarUnsupportedHeader, + }, + .{ + .path = "star.tar", + .files = &[_]Case.File{ + .{ + .name = "small.txt", + .size = 5, + .mode = 0o640, + }, + .{ + .name = "small2.txt", + .size = 11, + .mode = 0o640, + }, + }, + .chksums = &[_][]const u8{ + "e38b27eaccb4391bdec553a7f3ae6b2f", + "c65bd2e50a56a2138bf1716f2fd56fe9", + }, + }, + .{ + .path = "v7.tar", + .files = &[_]Case.File{ + .{ + .name = "small.txt", + .size = 5, + .mode = 0o444, + }, + .{ + .name = "small2.txt", + .size = 11, + .mode = 0o444, + }, + }, + .chksums = &[_][]const u8{ + "e38b27eaccb4391bdec553a7f3ae6b2f", + "c65bd2e50a56a2138bf1716f2fd56fe9", + }, + }, + .{ + .path = "pax.tar", + .files = &[_]Case.File{ + .{ + .name = "a/123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100", + .size = 7, + .mode = 0o664, + }, + .{ + .name = "a/b", + .size = 0, + .kind = .symbolic_link, + .mode = 0o777, + .link_name = "123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100", + }, + }, + .chksums = &[_][]const u8{ + "3c382e8f5b6631aa2db52643912ffd4a", + }, + }, + .{ + // pax attribute don't end with \n + .path = "pax-bad-hdr-file.tar", + .err = error.PaxInvalidAttributeEnd, + }, + .{ + // size is in pax attribute + .path = "pax-pos-size-file.tar", + .files = &[_]Case.File{ + .{ + .name = "foo", + .size = 999, + .kind = .normal, + .mode = 0o640, + }, + }, + .chksums = &[_][]const u8{ + "0afb597b283fe61b5d4879669a350556", + }, + }, + .{ + // has pax records which we are not interested in + .path = "pax-records.tar", + .files = &[_]Case.File{ + .{ + .name = "file", + }, + }, + }, + .{ + // has global records which we are ignoring + .path = "pax-global-records.tar", + .files = &[_]Case.File{ + .{ + .name = "file1", + }, + .{ + .name = "file2", + }, + .{ + .name = "file3", + }, + .{ + .name = "file4", + }, + }, + }, + .{ + .path = "nil-uid.tar", + .files = &[_]Case.File{ + .{ + .name = "P1050238.JPG.log", + .size = 14, + .kind = .normal, + .mode = 0o664, + }, + }, + .chksums = &[_][]const u8{ + "08d504674115e77a67244beac19668f5", + }, + }, + .{ + // has xattrs and pax records which we are ignoring + .path = "xattrs.tar", + .files = &[_]Case.File{ + .{ + .name = "small.txt", + .size = 5, + .kind = .normal, + .mode = 0o644, + }, + .{ + .name = "small2.txt", + .size = 11, + .kind = .normal, + .mode = 0o644, + }, + }, + .chksums = &[_][]const u8{ + "e38b27eaccb4391bdec553a7f3ae6b2f", + "c65bd2e50a56a2138bf1716f2fd56fe9", + }, + }, + .{ + .path = "gnu-multi-hdrs.tar", + .files = &[_]Case.File{ + .{ + .name = "GNU2/GNU2/long-path-name", + .link_name = "GNU4/GNU4/long-linkpath-name", + .kind = .symbolic_link, + }, + }, + }, + .{ + // has gnu type D (directory) and S (sparse) blocks + .path = "gnu-incremental.tar", + .err = error.TarUnsupportedHeader, + }, + .{ + // should use values only from last pax header + .path = "pax-multi-hdrs.tar", + .files = &[_]Case.File{ + .{ + .name = "bar", + .link_name = "PAX4/PAX4/long-linkpath-name", + .kind = .symbolic_link, + }, + }, + }, + .{ + .path = "gnu-long-nul.tar", + .files = &[_]Case.File{ + .{ + .name = "0123456789", + .mode = 0o644, + }, + }, + }, + .{ + .path = "gnu-utf8.tar", + .files = &[_]Case.File{ + .{ + .name = "☺☻☹☺☻☹☺☻☹☺☻☹☺☻☹☺☻☹☺☻☹☺☻☹☺☻☹☺☻☹☺☻☹☺☻☹☺☻☹☺☻☹☺☻☹☺☻☹☺☻☹☺☻☹", + .mode = 0o644, + }, + }, + }, + .{ + .path = "gnu-not-utf8.tar", + .files = &[_]Case.File{ + .{ + .name = "hi\x80\x81\x82\x83bye", + .mode = 0o644, + }, + }, + }, + .{ + // null in pax key + .path = "pax-nul-xattrs.tar", + .err = error.PaxNullInKeyword, + }, + .{ + .path = "pax-nul-path.tar", + .err = error.PaxNullInValue, + }, + .{ + .path = "neg-size.tar", + .err = error.TarHeader, + }, + .{ + .path = "issue10968.tar", + .err = error.TarHeader, + }, + .{ + .path = "issue11169.tar", + .err = error.TarHeader, + }, + .{ + .path = "issue12435.tar", + .err = error.TarHeaderChksum, + }, + .{ + // has magic with space at end instead of null + .path = "invalid-go17.tar", + .files = &[_]Case.File{ + .{ + .name = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/foo", + }, + }, + }, + .{ + .path = "ustar-file-devs.tar", + .files = &[_]Case.File{ + .{ + .name = "file", + .mode = 0o644, + }, + }, + }, + .{ + .path = "trailing-slash.tar", + .files = &[_]Case.File{ + .{ + .name = "123456789/" ** 30, + .kind = .directory, + }, + }, + }, + .{ + // Has size in gnu extended format. To represent size bigger than 8 GB. + .path = "writer-big.tar", + .files = &[_]Case.File{ + .{ + .name = "tmp/16gig.txt", + .size = 16 * 1024 * 1024 * 1024, + .truncated = true, + .mode = 0o640, + }, + }, + }, + .{ + // Size in gnu extended format, and name in pax attribute. + .path = "writer-big-long.tar", + .files = &[_]Case.File{ + .{ + .name = "longname/" ** 15 ++ "16gig.txt", + .size = 16 * 1024 * 1024 * 1024, + .mode = 0o644, + .truncated = true, + }, + }, + }, + }; + + for (cases) |case| { + var fs_file = try test_dir.openFile(case.path, .{}); + + defer fs_file.close(); + + var iter = tar.tarReader(fs_file.reader(), null); + var i: usize = 0; + while (iter.next() catch |err| { + if (case.err) |e| { + try std.testing.expectEqual(e, err); + continue; + } else { + return err; + } + }) |actual| : (i += 1) { + const expected = case.files[i]; + try std.testing.expectEqualStrings(expected.name, actual.name); + try std.testing.expectEqual(expected.size, actual.size); + try std.testing.expectEqual(expected.kind, actual.kind); + try std.testing.expectEqual(expected.mode, actual.mode); + try std.testing.expectEqualStrings(expected.link_name, actual.link_name); + + if (case.chksums.len > i) { + var md5writer = Md5Writer{}; + try actual.write(&md5writer); + const chksum = md5writer.chksum(); + try std.testing.expectEqualStrings(case.chksums[i], &chksum); + } else { + if (!expected.truncated) try actual.skip(); // skip file content + } + } + try std.testing.expectEqual(case.files.len, i); + } +} + +// used in test to calculate file chksum +const Md5Writer = struct { + h: std.crypto.hash.Md5 = std.crypto.hash.Md5.init(.{}), + + pub fn writeAll(self: *Md5Writer, buf: []const u8) !void { + self.h.update(buf); + } + + pub fn writeByte(self: *Md5Writer, byte: u8) !void { + self.h.update(&[_]u8{byte}); + } + + pub fn chksum(self: *Md5Writer) [32]u8 { + var s = [_]u8{0} ** 16; + self.h.final(&s); + return std.fmt.bytesToHex(s, .lower); + } +}; diff --git a/test/cases/tar/gnu-incremental.tar b/lib/std/tar/testdata/gnu-incremental.tar similarity index 100% rename from test/cases/tar/gnu-incremental.tar rename to lib/std/tar/testdata/gnu-incremental.tar diff --git a/test/cases/tar/gnu-long-nul.tar b/lib/std/tar/testdata/gnu-long-nul.tar similarity index 100% rename from test/cases/tar/gnu-long-nul.tar rename to lib/std/tar/testdata/gnu-long-nul.tar diff --git a/test/cases/tar/gnu-multi-hdrs.tar b/lib/std/tar/testdata/gnu-multi-hdrs.tar similarity index 100% rename from test/cases/tar/gnu-multi-hdrs.tar rename to lib/std/tar/testdata/gnu-multi-hdrs.tar diff --git a/test/cases/tar/gnu-not-utf8.tar b/lib/std/tar/testdata/gnu-not-utf8.tar similarity index 100% rename from test/cases/tar/gnu-not-utf8.tar rename to lib/std/tar/testdata/gnu-not-utf8.tar diff --git a/test/cases/tar/gnu-utf8.tar b/lib/std/tar/testdata/gnu-utf8.tar similarity index 100% rename from test/cases/tar/gnu-utf8.tar rename to lib/std/tar/testdata/gnu-utf8.tar diff --git a/test/cases/tar/gnu.tar b/lib/std/tar/testdata/gnu.tar similarity index 100% rename from test/cases/tar/gnu.tar rename to lib/std/tar/testdata/gnu.tar diff --git a/test/cases/tar/invalid-go17.tar b/lib/std/tar/testdata/invalid-go17.tar similarity index 100% rename from test/cases/tar/invalid-go17.tar rename to lib/std/tar/testdata/invalid-go17.tar diff --git a/test/cases/tar/issue10968.tar b/lib/std/tar/testdata/issue10968.tar similarity index 100% rename from test/cases/tar/issue10968.tar rename to lib/std/tar/testdata/issue10968.tar diff --git a/test/cases/tar/issue11169.tar b/lib/std/tar/testdata/issue11169.tar similarity index 100% rename from test/cases/tar/issue11169.tar rename to lib/std/tar/testdata/issue11169.tar diff --git a/test/cases/tar/issue12435.tar b/lib/std/tar/testdata/issue12435.tar similarity index 100% rename from test/cases/tar/issue12435.tar rename to lib/std/tar/testdata/issue12435.tar diff --git a/test/cases/tar/neg-size.tar b/lib/std/tar/testdata/neg-size.tar similarity index 100% rename from test/cases/tar/neg-size.tar rename to lib/std/tar/testdata/neg-size.tar diff --git a/test/cases/tar/nil-uid.tar b/lib/std/tar/testdata/nil-uid.tar similarity index 100% rename from test/cases/tar/nil-uid.tar rename to lib/std/tar/testdata/nil-uid.tar diff --git a/test/cases/tar/pax-bad-hdr-file.tar b/lib/std/tar/testdata/pax-bad-hdr-file.tar similarity index 100% rename from test/cases/tar/pax-bad-hdr-file.tar rename to lib/std/tar/testdata/pax-bad-hdr-file.tar diff --git a/test/cases/tar/pax-global-records.tar b/lib/std/tar/testdata/pax-global-records.tar similarity index 100% rename from test/cases/tar/pax-global-records.tar rename to lib/std/tar/testdata/pax-global-records.tar diff --git a/test/cases/tar/pax-multi-hdrs.tar b/lib/std/tar/testdata/pax-multi-hdrs.tar similarity index 100% rename from test/cases/tar/pax-multi-hdrs.tar rename to lib/std/tar/testdata/pax-multi-hdrs.tar diff --git a/test/cases/tar/pax-nul-path.tar b/lib/std/tar/testdata/pax-nul-path.tar similarity index 100% rename from test/cases/tar/pax-nul-path.tar rename to lib/std/tar/testdata/pax-nul-path.tar diff --git a/test/cases/tar/pax-nul-xattrs.tar b/lib/std/tar/testdata/pax-nul-xattrs.tar similarity index 100% rename from test/cases/tar/pax-nul-xattrs.tar rename to lib/std/tar/testdata/pax-nul-xattrs.tar diff --git a/test/cases/tar/pax-pos-size-file.tar b/lib/std/tar/testdata/pax-pos-size-file.tar similarity index 100% rename from test/cases/tar/pax-pos-size-file.tar rename to lib/std/tar/testdata/pax-pos-size-file.tar diff --git a/test/cases/tar/pax-records.tar b/lib/std/tar/testdata/pax-records.tar similarity index 100% rename from test/cases/tar/pax-records.tar rename to lib/std/tar/testdata/pax-records.tar diff --git a/test/cases/tar/pax.tar b/lib/std/tar/testdata/pax.tar similarity index 100% rename from test/cases/tar/pax.tar rename to lib/std/tar/testdata/pax.tar diff --git a/test/cases/tar/sparse-formats.tar b/lib/std/tar/testdata/sparse-formats.tar similarity index 100% rename from test/cases/tar/sparse-formats.tar rename to lib/std/tar/testdata/sparse-formats.tar diff --git a/test/cases/tar/star.tar b/lib/std/tar/testdata/star.tar similarity index 100% rename from test/cases/tar/star.tar rename to lib/std/tar/testdata/star.tar diff --git a/test/cases/tar/trailing-slash.tar b/lib/std/tar/testdata/trailing-slash.tar similarity index 100% rename from test/cases/tar/trailing-slash.tar rename to lib/std/tar/testdata/trailing-slash.tar diff --git a/test/cases/tar/ustar-file-devs.tar b/lib/std/tar/testdata/ustar-file-devs.tar similarity index 100% rename from test/cases/tar/ustar-file-devs.tar rename to lib/std/tar/testdata/ustar-file-devs.tar diff --git a/test/cases/tar/v7.tar b/lib/std/tar/testdata/v7.tar similarity index 100% rename from test/cases/tar/v7.tar rename to lib/std/tar/testdata/v7.tar diff --git a/test/cases/tar/writer-big-long.tar b/lib/std/tar/testdata/writer-big-long.tar similarity index 100% rename from test/cases/tar/writer-big-long.tar rename to lib/std/tar/testdata/writer-big-long.tar diff --git a/test/cases/tar/writer-big.tar b/lib/std/tar/testdata/writer-big.tar similarity index 100% rename from test/cases/tar/writer-big.tar rename to lib/std/tar/testdata/writer-big.tar diff --git a/test/cases/tar/xattrs.tar b/lib/std/tar/testdata/xattrs.tar similarity index 100% rename from test/cases/tar/xattrs.tar rename to lib/std/tar/testdata/xattrs.tar