testBasicWriteStream

fn testBasicWriteStream(w: *Stringify) !void {
    w.writer.end = 0;

    try w.beginObject();

    try w.objectField("object");
    var arena_allocator = std.heap.ArenaAllocator.init(std.testing.allocator);
    defer arena_allocator.deinit();
    try w.write(try getJsonObject(arena_allocator.allocator()));

    try w.objectFieldRaw("\"string\"");
    try w.write("This is a string");

    try w.objectField("array");
    try w.beginArray();
    try w.write("Another string");
    try w.write(@as(i32, 1));
    try w.write(@as(f32, 3.5));
    try w.endArray();

    try w.objectField("int");
    try w.write(@as(i32, 10));

    try w.objectField("float");
    try w.write(@as(f32, 3.5));

    try w.endObject();

    const expected =
        \\{
        \\  "object": {
        \\    "one": 1,
        \\    "two": 2
        \\  },
        \\  "string": "This is a string",
        \\  "array": [
        \\    "Another string",
        \\    1,
        \\    3.5
        \\  ],
        \\  "int": 10,
        \\  "float": 3.5
        \\}
    ;
    try std.testing.expectEqualStrings(expected, w.writer.buffered());
}