1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
|
const std = @import("std");
test {
std.testing.refAllDecls(@This());
}
fn solve(allocator: std.mem.Allocator, puzzle: anytype, input: []u8) !i32 {
return blk: {
switch (@typeInfo(@TypeOf(puzzle))) {
.Fn => |f| {
switch (@typeInfo(f.return_type.?)) {
.ErrorUnion => {
if (f.args.len == 1)
break :blk try puzzle(input);
break :blk try puzzle(allocator, input);
},
else => {
if (f.args.len == 1)
break :blk puzzle(input);
break :blk puzzle(allocator, input);
},
}
},
else => unreachable,
}
};
}
const testing_allocator = std.testing.allocator;
const slurp = @import("util/file.zig").slurp;
// same as the real comptimePrint but inlined, see: https://github.com/ziglang/zig/issues/12635
inline fn comptimePrint(comptime fmt: []const u8, args: anytype) *const [std.fmt.count(fmt, args):0]u8 {
comptime {
var buf: [std.fmt.count(fmt, args):0]u8 = undefined;
_ = std.fmt.bufPrint(&buf, fmt, args) catch unreachable;
buf[buf.len] = 0;
return &buf;
}
}
test "test" {
const t = [_]struct {
day: type,
expect: []const i32,
}{
.{ .day = @import("day-1/main.zig"), .expect = &[_]i32{ 69912, 208180 } },
.{ .day = @import("day-2/main.zig"), .expect = &[_]i32{ 12855, 13726 } },
.{ .day = @import("day-3/main.zig"), .expect = &[_]i32{ 8039, 2510 } },
.{ .day = @import("day-4/main.zig"), .expect = &[_]i32{ 483, 874 } },
};
std.debug.print("\n", .{});
inline for (t) |aoc_day, day| {
std.debug.print("\n", .{});
const file_buffer = try slurp(std.testing.allocator, comptimePrint("./day-{d}/input", .{day + 1}));
defer testing_allocator.free(file_buffer);
inline for (aoc_day.expect) |expected, idx| {
const fn_name = comptimePrint("puzzle_{d}", .{idx + 1});
const puzzle = @field(aoc_day.day, fn_name);
const result = try solve(testing_allocator, puzzle, file_buffer);
if (result == expected) {
std.debug.print("day={d}, puzzle_{d}={d}\n", .{ day + 1, idx + 1, result });
} else {
std.debug.print("day={d}, puzzle_{d}={d}, expected={d}\n", .{ day + 1, idx + 1, result, expected });
}
}
}
std.debug.print("\n", .{});
}
|