mirrors/zig
1
0
Fork 0
mirror of https://codeberg.org/ziglang/zig.git synced 2025-12-06 13:54:21 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

std: update xz unit tests to new I/O API

Browse source
This commit is contained in:
Andrew Kelley 2025-08-26 20:56:34 -07:00
parent 980445f08b
commit 668299f0db
1 changed files with 40 additions and 16 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

56
lib/std/compress/xz/test.zig
View file

@ -13,7 +13,7 @@ fn decompress(data: []const u8) ![]u8 {
return xz_stream.reader.allocRemaining(gpa, .unlimited);
}
fn testReader(data: []const u8, comptime expected: []const u8) !void {
fn testReader(data: []const u8, expected: []const u8) !void {
const gpa = testing.allocator;
const result = try decompress(data);
@ -22,6 +22,17 @@ fn testReader(data: []const u8, comptime expected: []const u8) !void {
try testing.expectEqualSlices(u8, expected, result);
}
fn testDecompressError(expected: anyerror, compressed: []const u8) !void {
const gpa = std.testing.allocator;
var stream: std.Io.Reader = .fixed(compressed);
var decompressor = try xz.Decompress.init(&stream, gpa, &.{});
defer decompressor.deinit();
try std.testing.expectError(error.ReadFailed, decompressor.reader.allocRemaining(gpa, .unlimited));
try std.testing.expectEqual(expected, decompressor.err orelse return error.TestFailed);
}
test "fixture good-0-empty.xz" {
try testReader(@embedFile("testdata/good-0-empty.xz"), "");
}
@ -98,21 +109,32 @@ test "fixture good-1-lzma2-5.xz" {
try testReader(@embedFile("testdata/good-1-lzma2-5.xz"), "");
}
test "unsupported" {
inline for ([_][]const u8{
"good-1-delta-lzma2.tiff.xz",
"good-1-x86-lzma2.xz",
"good-1-sparc-lzma2.xz",
"good-1-arm64-lzma2-1.xz",
"good-1-arm64-lzma2-2.xz",
"good-1-3delta-lzma2.xz",
"good-1-empty-bcj-lzma2.xz",
}) |filename| {
try testing.expectError(
error.Unsupported,
decompress(@embedFile("testdata/" ++ filename)),
);
}
test "fixture good-1-delta-lzma2.tiff.xz" {
try testDecompressError(error.Unsupported, @embedFile("testdata/good-1-delta-lzma2.tiff.xz"));
}
test "fixture good-1-x86-lzma2.xz" {
try testDecompressError(error.Unsupported, @embedFile("testdata/good-1-x86-lzma2.xz"));
}
test "fixture good-1-sparc-lzma2.xz" {
try testDecompressError(error.Unsupported, @embedFile("testdata/good-1-sparc-lzma2.xz"));
}
test "fixture good-1-arm64-lzma2-1.xz" {
try testDecompressError(error.Unsupported, @embedFile("testdata/good-1-arm64-lzma2-1.xz"));
}
test "fixture good-1-arm64-lzma2-2.xz" {
try testDecompressError(error.Unsupported, @embedFile("testdata/good-1-arm64-lzma2-2.xz"));
}
test "fixture good-1-3delta-lzma2.xz" {
try testDecompressError(error.Unsupported, @embedFile("testdata/good-1-3delta-lzma2.xz"));
}
test "fixture good-1-empty-bcj-lzma2.xz" {
try testDecompressError(error.Unsupported, @embedFile("testdata/good-1-empty-bcj-lzma2.xz"));
}
fn testDontPanic(data: []const u8) !void {
@ -127,6 +149,8 @@ test "size fields: integer overflow avoidance" {
// These cases were found via fuzz testing and each previously caused
// an integer overflow when decoding. We just want to ensure they no longer
// cause a panic
// TODO this not a sufficient way to test. tests should always check the result,
// not merely ensure that the code does not crash.
const header_size_overflow = "\xfd7zXZ\x00\x00\x01i\"\xde6z";
try testDontPanic(header_size_overflow);
const lzma2_chunk_size_overflow = "\xfd7zXZ\x00\x00\x01i\"\xde6\x02\x00!\x01\x08\x00\x00\x00\xd8\x0f#\x13\x01\xff\xff";