Commit 668299f0db3a258e45e28c68696e24cfbf8386a3 | zig

author	Andrew Kelley <andrew@ziglang.org> 2025-08-26 20:56:34-07:00
committer	Andrew Kelley <andrew@ziglang.org> 2025-08-26 21:00:58-07:00
log	668299f0db3a258e45e28c68696e24cfbf8386a3
tree	ad81d0e36688640cd563204b6dff3d96b8105eca
parent	980445f08bfee496f4e784b05653e1698addaac8

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

1 files changed, 40 insertions(+), 16 deletions(-)

lib
- std
  - compress
    xz
    test.zig

lib/std/compress/xz/test.zig+40-16

...	...	@@ -13,7 +13,7 @@ fn decompress(data: []const u8) ![]u8 {
13	13	return xz_stream.reader.allocRemaining(gpa, .unlimited);
14	14	}
15	15
16		fn testReader(data: []const u8, comptime expected: []const u8) !void {
	16	fn testReader(data: []const u8, expected: []const u8) !void {
17	17	const gpa = testing.allocator;
18	18
19	19	const result = try decompress(data);
...	...	@@ -22,6 +22,17 @@ fn testReader(data: []const u8, comptime expected: []const u8) !void {
22	22	try testing.expectEqualSlices(u8, expected, result);
23	23	}
24	24
	25	fn testDecompressError(expected: anyerror, compressed: []const u8) !void {
	26	const gpa = std.testing.allocator;
	27	var stream: std.Io.Reader = .fixed(compressed);
	28
	29	var decompressor = try xz.Decompress.init(&stream, gpa, &.{});
	30	defer decompressor.deinit();
	31
	32	try std.testing.expectError(error.ReadFailed, decompressor.reader.allocRemaining(gpa, .unlimited));
	33	try std.testing.expectEqual(expected, decompressor.err orelse return error.TestFailed);
	34	}
	35
25	36	test "fixture good-0-empty.xz" {
26	37	try testReader(@embedFile("testdata/good-0-empty.xz"), "");
27	38	}
...	...	@@ -98,21 +109,32 @@ test "fixture good-1-lzma2-5.xz" {
98	109	try testReader(@embedFile("testdata/good-1-lzma2-5.xz"), "");
99	110	}
100	111
101		test "unsupported" {
102		inline for ([_][]const u8{
103		"good-1-delta-lzma2.tiff.xz",
104		"good-1-x86-lzma2.xz",
105		"good-1-sparc-lzma2.xz",
106		"good-1-arm64-lzma2-1.xz",
107		"good-1-arm64-lzma2-2.xz",
108		"good-1-3delta-lzma2.xz",
109		"good-1-empty-bcj-lzma2.xz",
110		}) \|filename\| {
111		try testing.expectError(
112		error.Unsupported,
113		decompress(@embedFile("testdata/" ++ filename)),
114		);
115		}
	112	test "fixture good-1-delta-lzma2.tiff.xz" {
	113	try testDecompressError(error.Unsupported, @embedFile("testdata/good-1-delta-lzma2.tiff.xz"));
	114	}
	115
	116	test "fixture good-1-x86-lzma2.xz" {
	117	try testDecompressError(error.Unsupported, @embedFile("testdata/good-1-x86-lzma2.xz"));
	118	}
	119
	120	test "fixture good-1-sparc-lzma2.xz" {
	121	try testDecompressError(error.Unsupported, @embedFile("testdata/good-1-sparc-lzma2.xz"));
	122	}
	123
	124	test "fixture good-1-arm64-lzma2-1.xz" {
	125	try testDecompressError(error.Unsupported, @embedFile("testdata/good-1-arm64-lzma2-1.xz"));
	126	}
	127
	128	test "fixture good-1-arm64-lzma2-2.xz" {
	129	try testDecompressError(error.Unsupported, @embedFile("testdata/good-1-arm64-lzma2-2.xz"));
	130	}
	131
	132	test "fixture good-1-3delta-lzma2.xz" {
	133	try testDecompressError(error.Unsupported, @embedFile("testdata/good-1-3delta-lzma2.xz"));
	134	}
	135
	136	test "fixture good-1-empty-bcj-lzma2.xz" {
	137	try testDecompressError(error.Unsupported, @embedFile("testdata/good-1-empty-bcj-lzma2.xz"));
116	138	}
117	139
118	140	fn testDontPanic(data: []const u8) !void {
...	...	@@ -127,6 +149,8 @@ test "size fields: integer overflow avoidance" {
127	149	// These cases were found via fuzz testing and each previously caused
128	150	// an integer overflow when decoding. We just want to ensure they no longer
129	151	// cause a panic
	152	// TODO this not a sufficient way to test. tests should always check the result,
	153	// not merely ensure that the code does not crash.
130	154	const header_size_overflow = "\xfd7zXZ\x00\x00\x01i\"\xde6z";
131	155	try testDontPanic(header_size_overflow);
132	156	const lzma2_chunk_size_overflow = "\xfd7zXZ\x00\x00\x01i\"\xde6\x02\x00!\x01\x08\x00\x00\x00\xd8\x0f#\x13\x01\xff\xff";