const std = @import("std");

const msgpack = @import("msgpack");

const Object = msgpack.Object;
const serialise = msgpack.serialise;

fn test_int(expected: []const u8, i: i64) !void {
    const alloc = std.testing.allocator;

    const bytes = try serialise(alloc, .{ .integer = i });
    defer alloc.free(bytes);

    try std.testing.expectEqualSlices(u8, expected, bytes);
}

test "neg fixint" {
    try test_int(&[_]u8{0xFF}, -1);
}

test "int i8" {
    try test_int(&[_]u8{ 0xd0, 0x80 }, std.math.minInt(i8));

    try test_int(&[_]u8{ 0xd0, 0x7F }, std.math.maxInt(i8));
}

test "int i16" {
    try test_int(&[_]u8{ 0xd1, 0x80, 0x00 }, std.math.minInt(i16));

    try test_int(&[_]u8{ 0xd1, 0x7f, 0xff }, std.math.maxInt(i16));
}

test "int i32" {
    try test_int(&[_]u8{ 0xd2, 0x80, 0x00, 0x00, 0x00 }, std.math.minInt(i32));

    try test_int(&[_]u8{ 0xd2, 0x7f, 0xff, 0xff, 0xff }, std.math.maxInt(i32));
}

test "int i64" {
    try test_int(&[_]u8{ 0xd3, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, std.math.minInt(i64));

    try test_int(&[_]u8{ 0xd3, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }, std.math.maxInt(i64));
}