hare

commit caa76ac3182a30fa96f7e75482c3574a72afd1e5
parent 5be71f07c9f5cb250fbf1fe819633cc4e9685970
Author: Ember Sawady <ecs@d2evs.net>
Date:   Fri,  3 Nov 2023 15:02:46 +0000

update test runner

Signed-off-by: Ember Sawady <ecs@d2evs.net>

Diffstat:
M
test/+test.ha
 | 
38
++++++++++++++++++++++++++++++++++++++

1 file changed, 38 insertions(+), 0 deletions(-)
diff --git a/test/+test.ha b/test/+test.ha
@@ -163,6 +163,8 @@ export @symbol("__test_main") fn main() size = {
 			elapsed_fraction)!;
 	};
 
+	easter_egg(ctx.failures, enabled_tests);
+
 	return len(ctx.failures);
 };
 
@@ -313,3 +315,39 @@ fn handle_segv(
 ) void = {
 	rt::longjmp(&jmpbuf, 2);
 };
+
+fn easter_egg(fails: []failure, tests: []test) void = {
+	// norwegian deadbeef
+	let blob: [_]u8 = [
+		0xe1, 0x41, 0xf2, 0x21, 0x3f, 0x9e, 0x2d, 0xfe, 0x3f, 0x9e,
+		0x22, 0xfc, 0x43, 0xc2, 0x2f, 0x82, 0x15, 0xd1, 0x62, 0xae,
+		0x6c, 0x9e, 0x71, 0xfe, 0x33, 0xc2, 0x71, 0xfe, 0x63, 0xb4,
+		0x2d, 0xfe, 0x3f, 0xe1, 0x52, 0xf2, 0x43, 0xc6, 0x2d, 0xf9,
+		0x3d, 0x90, 0x07, 0xfe, 0x33, 0x9c, 0x2d, 0xfe, 0x3f, 0x96,
+		0x2d, 0x8f, 0x3f, 0x9e, 0x64, 0xd4, 0x33, 0x9c, 0x21, 0xfe,
+		0x3f, 0x9e, 0x2d, 0x82, 0x40, 0x9e, 0x54, 0xf9, 0x15, 0x99,
+		0x30, 0xfe, 0x3f, 0x92, 0x2d, 0xfe, 0x31, 0x9e, 0x2d, 0xfe,
+		0x38, 0xb4, 0x2d, 0xf9, 0x22, 0x83, 0x52, 0xf9, 0x40, 0xe1,
+		0x30, 0xe3, 0x38, 0x9e, 0x2d, 0xd4,
+	];
+	let words = &blob: *[24]u32;
+
+	// doesn't currently work on big-endian, would need to re-find the
+	// constants and use a different blob there
+	if (words[0]: u8 != 0xe1) return;
+
+	words[0] ^= len(tests): u32;
+
+	let hash = 2166136261u32;
+	for (let i = 0z; i < size(u32); i += 1) {
+		hash = (hash ^ blob[i]) * 16777619;
+	};
+
+	for (let i = 0z; i < len(words); i += 1) {
+		words[i] ^= hash;
+	};
+
+	if (-len(fails): u32 == words[0]) {
+		io::write(os::stdout, blob[size(u32)..])!;
+	};
+};