Files
panopainter/tests/assets/ppi_header_tests.cpp

571 lines
22 KiB
C++

#include "assets/ppi_header.h"
#include "test_harness.h"
#include <array>
#include <bit>
#include <cstddef>
#include <cstdint>
#include <span>
#include <string_view>
#include <vector>
using pp::assets::parse_ppi_header;
using pp::assets::create_minimal_ppi_project;
using pp::assets::decode_ppi_project_images;
using pp::assets::parse_ppi_project_index;
using pp::assets::parse_ppi_project_summary;
using pp::assets::parse_ppi_project_layout;
using pp::assets::ppi_header_size;
using pp::assets::ppi_thumbnail_byte_size;
using pp::foundation::StatusCode;
namespace {
void append_u32(std::vector<std::byte>& bytes, std::uint32_t value)
{
bytes.push_back(static_cast<std::byte>(value & 0xffU));
bytes.push_back(static_cast<std::byte>((value >> 8U) & 0xffU));
bytes.push_back(static_cast<std::byte>((value >> 16U) & 0xffU));
bytes.push_back(static_cast<std::byte>((value >> 24U) & 0xffU));
}
void append_u32_be(std::vector<std::byte>& bytes, std::uint32_t value)
{
bytes.push_back(static_cast<std::byte>((value >> 24U) & 0xffU));
bytes.push_back(static_cast<std::byte>((value >> 16U) & 0xffU));
bytes.push_back(static_cast<std::byte>((value >> 8U) & 0xffU));
bytes.push_back(static_cast<std::byte>(value & 0xffU));
}
void append_f32(std::vector<std::byte>& bytes, float value)
{
append_u32(bytes, std::bit_cast<std::uint32_t>(value));
}
void append_ascii(std::vector<std::byte>& bytes, std::string_view value)
{
for (const auto ch : value) {
bytes.push_back(static_cast<std::byte>(ch));
}
}
std::vector<std::byte> valid_header()
{
std::vector<std::byte> bytes {
std::byte { 'P' },
std::byte { 'P' },
std::byte { 'I' },
std::byte { 0 },
};
append_u32(bytes, 0);
append_u32(bytes, 4);
append_u32(bytes, 0);
append_u32(bytes, 2);
append_u32(bytes, 3);
append_u32(bytes, 1024);
append_u32(bytes, 128);
append_u32(bytes, 128);
append_u32(bytes, 4);
return bytes;
}
void append_minimal_body(std::vector<std::byte>& bytes)
{
append_u32(bytes, 64);
append_u32(bytes, 32);
append_u32(bytes, 1);
append_u32(bytes, 1);
append_u32(bytes, 0);
append_f32(bytes, 1.0F);
append_u32(bytes, 3);
append_ascii(bytes, "Ink");
append_u32(bytes, 0);
bytes.push_back(std::byte { 0 });
bytes.push_back(std::byte { 1 });
append_u32(bytes, 1);
append_u32(bytes, 100);
for (std::uint32_t i = 0; i < 6U; ++i) {
append_u32(bytes, 0);
}
append_u32(bytes, 0);
}
std::vector<std::byte> png_ihdr_payload(
std::uint32_t width,
std::uint32_t height,
std::uint8_t bit_depth = 8U,
std::uint8_t color_type = 6U)
{
std::vector<std::byte> bytes {
std::byte { 0x89 },
std::byte { 0x50 },
std::byte { 0x4e },
std::byte { 0x47 },
std::byte { 0x0d },
std::byte { 0x0a },
std::byte { 0x1a },
std::byte { 0x0a },
};
append_u32_be(bytes, 13);
bytes.push_back(std::byte { 'I' });
bytes.push_back(std::byte { 'H' });
bytes.push_back(std::byte { 'D' });
bytes.push_back(std::byte { 'R' });
append_u32_be(bytes, width);
append_u32_be(bytes, height);
bytes.push_back(static_cast<std::byte>(bit_depth));
bytes.push_back(static_cast<std::byte>(color_type));
bytes.push_back(std::byte { 0 });
bytes.push_back(std::byte { 0 });
bytes.push_back(std::byte { 0 });
append_u32_be(bytes, 0);
return bytes;
}
std::vector<std::byte> transparent_png_1x1()
{
return {
std::byte { 0x89 }, std::byte { 0x50 }, std::byte { 0x4e }, std::byte { 0x47 },
std::byte { 0x0d }, std::byte { 0x0a }, std::byte { 0x1a }, std::byte { 0x0a },
std::byte { 0x00 }, std::byte { 0x00 }, std::byte { 0x00 }, std::byte { 0x0d },
std::byte { 0x49 }, std::byte { 0x48 }, std::byte { 0x44 }, std::byte { 0x52 },
std::byte { 0x00 }, std::byte { 0x00 }, std::byte { 0x00 }, std::byte { 0x01 },
std::byte { 0x00 }, std::byte { 0x00 }, std::byte { 0x00 }, std::byte { 0x01 },
std::byte { 0x08 }, std::byte { 0x06 }, std::byte { 0x00 }, std::byte { 0x00 },
std::byte { 0x00 }, std::byte { 0x1f }, std::byte { 0x15 }, std::byte { 0xc4 },
std::byte { 0x89 }, std::byte { 0x00 }, std::byte { 0x00 }, std::byte { 0x00 },
std::byte { 0x0b }, std::byte { 0x49 }, std::byte { 0x44 }, std::byte { 0x41 },
std::byte { 0x54 }, std::byte { 0x78 }, std::byte { 0x9c }, std::byte { 0x63 },
std::byte { 0x60 }, std::byte { 0x00 }, std::byte { 0x02 }, std::byte { 0x00 },
std::byte { 0x00 }, std::byte { 0x05 }, std::byte { 0x00 }, std::byte { 0x01 },
std::byte { 0x7a }, std::byte { 0x5e }, std::byte { 0xab }, std::byte { 0x3f },
std::byte { 0x00 }, std::byte { 0x00 }, std::byte { 0x00 }, std::byte { 0x00 },
std::byte { 0x49 }, std::byte { 0x45 }, std::byte { 0x4e }, std::byte { 0x44 },
std::byte { 0xae }, std::byte { 0x42 }, std::byte { 0x60 }, std::byte { 0x82 },
};
}
std::vector<std::byte> minimal_project()
{
auto bytes = valid_header();
bytes.resize(ppi_header_size + (128U * 128U * 4U), std::byte { 0 });
append_minimal_body(bytes);
return bytes;
}
std::vector<std::byte> project_with_single_face_payload(
std::vector<std::byte> payload,
std::uint32_t dirty_width = 8,
std::uint32_t dirty_height = 4)
{
auto bytes = valid_header();
bytes.resize(ppi_header_size + (128U * 128U * 4U), std::byte { 0 });
append_u32(bytes, 64);
append_u32(bytes, 32);
append_u32(bytes, 1);
append_u32(bytes, 1);
append_u32(bytes, 0);
append_f32(bytes, 1.0F);
append_u32(bytes, 3);
append_ascii(bytes, "Ink");
append_u32(bytes, 0);
bytes.push_back(std::byte { 0 });
bytes.push_back(std::byte { 1 });
append_u32(bytes, 1);
append_u32(bytes, 100);
append_u32(bytes, 1);
append_u32(bytes, 2);
append_u32(bytes, 3);
append_u32(bytes, 2 + dirty_width);
append_u32(bytes, 3 + dirty_height);
append_u32(bytes, static_cast<std::uint32_t>(payload.size()));
bytes.insert(bytes.end(), payload.begin(), payload.end());
for (std::uint32_t i = 1; i < 6U; ++i) {
append_u32(bytes, 0);
}
append_u32(bytes, 0);
return bytes;
}
void parses_legacy_ppi_header(pp::tests::Harness& h)
{
const auto bytes = valid_header();
const auto header = parse_ppi_header(bytes);
PP_EXPECT(h, bytes.size() == ppi_header_size);
PP_EXPECT(h, header.ok());
PP_EXPECT(h, header.value().document_version.major == 0U);
PP_EXPECT(h, header.value().document_version.minor == 4U);
PP_EXPECT(h, header.value().software_version.fix == 3U);
PP_EXPECT(h, header.value().software_version.build == 1024U);
PP_EXPECT(h, header.value().thumbnail.width == 128U);
PP_EXPECT(h, header.value().thumbnail.height == 128U);
PP_EXPECT(h, header.value().thumbnail.components == 4U);
}
void rejects_truncated_invalid_magic_and_bad_thumbnail(pp::tests::Harness& h)
{
auto truncated = valid_header();
truncated.pop_back();
auto bad_magic = valid_header();
bad_magic[0] = std::byte { 'X' };
auto bad_thumb = valid_header();
bad_thumb[32] = std::byte { 64 };
const auto truncated_result = parse_ppi_header(truncated);
const auto magic_result = parse_ppi_header(bad_magic);
const auto thumb_result = parse_ppi_header(bad_thumb);
PP_EXPECT(h, !truncated_result.ok());
PP_EXPECT(h, truncated_result.status().code == StatusCode::out_of_range);
PP_EXPECT(h, !magic_result.ok());
PP_EXPECT(h, magic_result.status().code == StatusCode::invalid_argument);
PP_EXPECT(h, !thumb_result.ok());
PP_EXPECT(h, thumb_result.status().code == StatusCode::invalid_argument);
}
void rejects_unsupported_document_versions(pp::tests::Harness& h)
{
auto bad_major = valid_header();
bad_major[4] = std::byte { 1 };
auto bad_minor = valid_header();
bad_minor[8] = std::byte { 0 };
const auto major_result = parse_ppi_header(bad_major);
const auto minor_result = parse_ppi_header(bad_minor);
PP_EXPECT(h, !major_result.ok());
PP_EXPECT(h, major_result.status().code == StatusCode::invalid_argument);
PP_EXPECT(h, !minor_result.ok());
PP_EXPECT(h, minor_result.status().code == StatusCode::invalid_argument);
}
void parses_project_layout_with_thumbnail_and_body(pp::tests::Harness& h)
{
const auto bytes = minimal_project();
const auto layout = parse_ppi_project_layout(bytes);
PP_EXPECT(h, layout.ok());
PP_EXPECT(h, layout.value().thumbnail_offset == ppi_header_size);
PP_EXPECT(h, layout.value().thumbnail_bytes == 128U * 128U * 4U);
PP_EXPECT(h, layout.value().body_offset == ppi_header_size + (128U * 128U * 4U));
PP_EXPECT(h, layout.value().body_bytes == 73U);
}
void rejects_project_layout_with_truncated_thumbnail(pp::tests::Harness& h)
{
auto bytes = valid_header();
bytes.resize(ppi_header_size + (128U * 128U * 4U) - 1U, std::byte { 0 });
const auto layout = parse_ppi_project_layout(bytes);
PP_EXPECT(h, !layout.ok());
PP_EXPECT(h, layout.status().code == StatusCode::out_of_range);
}
void parses_minimal_project_body_summary(pp::tests::Harness& h)
{
const auto project = minimal_project();
const auto summary = parse_ppi_project_summary(project);
PP_EXPECT(h, summary.ok());
PP_EXPECT(h, summary.value().body.width == 64U);
PP_EXPECT(h, summary.value().body.height == 32U);
PP_EXPECT(h, summary.value().body.layer_count == 1U);
PP_EXPECT(h, summary.value().body.declared_frame_count == 1U);
PP_EXPECT(h, summary.value().body.total_layer_frames == 1U);
PP_EXPECT(h, summary.value().body.dirty_face_count == 0U);
PP_EXPECT(h, summary.value().body.rgba_face_payload_count == 0U);
PP_EXPECT(h, summary.value().body.compressed_face_bytes == 0U);
PP_EXPECT(h, summary.value().body.info_bytes == 0U);
}
void indexes_project_layers_frames_and_faces(pp::tests::Harness& h)
{
const auto project = project_with_single_face_payload(png_ihdr_payload(8, 4));
const auto index = parse_ppi_project_index(project);
PP_EXPECT(h, index.ok());
PP_EXPECT(h, index.value().body.layers.size() == 1U);
PP_EXPECT(h, index.value().body.layers[0].stored_order == 0U);
PP_EXPECT(h, index.value().body.layers[0].name == "Ink");
PP_EXPECT(h, index.value().body.layers[0].visible);
PP_EXPECT(h, index.value().body.layers[0].frames.size() == 1U);
PP_EXPECT(h, index.value().body.layers[0].frames[0].duration_ms == 100U);
PP_EXPECT(h, index.value().body.layers[0].frames[0].faces[0].has_data);
PP_EXPECT(h, index.value().body.layers[0].frames[0].faces[0].x0 == 2U);
PP_EXPECT(h, index.value().body.layers[0].frames[0].faces[0].x1 == 10U);
PP_EXPECT(h, index.value().body.layers[0].frames[0].faces[0].payload_bytes == 33U);
PP_EXPECT(h, index.value().body.layers[0].frames[0].faces[0].png_width == 8U);
PP_EXPECT(h, !index.value().body.layers[0].frames[0].faces[1].has_data);
}
void validates_dirty_face_png_payload_metadata(pp::tests::Harness& h)
{
const auto project = project_with_single_face_payload(png_ihdr_payload(8, 4));
const auto summary = parse_ppi_project_summary(project);
PP_EXPECT(h, summary.ok());
PP_EXPECT(h, summary.value().body.dirty_face_count == 1U);
PP_EXPECT(h, summary.value().body.rgba_face_payload_count == 1U);
PP_EXPECT(h, summary.value().body.compressed_face_bytes == 33U);
}
void decodes_dirty_face_png_payloads(pp::tests::Harness& h)
{
const auto project = project_with_single_face_payload(transparent_png_1x1(), 1, 1);
const auto decoded = decode_ppi_project_images(project);
PP_EXPECT(h, decoded.ok());
PP_EXPECT(h, decoded.value().faces.size() == 1U);
PP_EXPECT(h, decoded.value().faces[0].layer_index == 0U);
PP_EXPECT(h, decoded.value().faces[0].frame_index == 0U);
PP_EXPECT(h, decoded.value().faces[0].face_index == 0U);
PP_EXPECT(h, decoded.value().faces[0].image.width == 1U);
PP_EXPECT(h, decoded.value().faces[0].image.height == 1U);
PP_EXPECT(h, decoded.value().faces[0].image.pixels.size() == 4U);
PP_EXPECT(h, decoded.value().faces[0].image.pixels[3] == 0U);
}
void rejects_metadata_only_payload_when_decoding_pixels(pp::tests::Harness& h)
{
const auto project = project_with_single_face_payload(png_ihdr_payload(8, 4));
const auto decoded = decode_ppi_project_images(project);
PP_EXPECT(h, !decoded.ok());
PP_EXPECT(h, decoded.status().code == StatusCode::invalid_argument);
}
void rejects_invalid_dirty_face_png_payloads(pp::tests::Harness& h)
{
auto mismatched_dimensions = project_with_single_face_payload(png_ihdr_payload(7, 4));
auto non_rgba = project_with_single_face_payload(png_ihdr_payload(8, 4, 8, 2));
auto bad_signature_payload = png_ihdr_payload(8, 4);
bad_signature_payload[0] = std::byte { 0 };
auto bad_signature = project_with_single_face_payload(bad_signature_payload);
const auto mismatched_result = parse_ppi_project_summary(mismatched_dimensions);
const auto non_rgba_result = parse_ppi_project_summary(non_rgba);
const auto bad_signature_result = parse_ppi_project_summary(bad_signature);
PP_EXPECT(h, !mismatched_result.ok());
PP_EXPECT(h, mismatched_result.status().code == StatusCode::invalid_argument);
PP_EXPECT(h, !non_rgba_result.ok());
PP_EXPECT(h, non_rgba_result.status().code == StatusCode::invalid_argument);
PP_EXPECT(h, !bad_signature_result.ok());
PP_EXPECT(h, bad_signature_result.status().code == StatusCode::invalid_argument);
}
void rejects_invalid_project_body_summaries(pp::tests::Harness& h)
{
auto truncated = minimal_project();
truncated.pop_back();
auto mismatched_frames = minimal_project();
mismatched_frames[ppi_header_size + (128U * 128U * 4U) + 12U] = std::byte { 2 };
auto bad_layer_name = minimal_project();
bad_layer_name[ppi_header_size + (128U * 128U * 4U) + 24U] = std::byte { 255 };
const auto truncated_result = parse_ppi_project_summary(truncated);
const auto mismatched_frames_result = parse_ppi_project_summary(mismatched_frames);
const auto bad_layer_name_result = parse_ppi_project_summary(bad_layer_name);
PP_EXPECT(h, !truncated_result.ok());
PP_EXPECT(h, truncated_result.status().code == StatusCode::out_of_range);
PP_EXPECT(h, !mismatched_frames_result.ok());
PP_EXPECT(h, mismatched_frames_result.status().code == StatusCode::invalid_argument);
PP_EXPECT(h, !bad_layer_name_result.ok());
PP_EXPECT(h, bad_layer_name_result.status().code == StatusCode::out_of_range);
}
void creates_minimal_project_for_roundtrip_load(pp::tests::Harness& h)
{
const auto project = create_minimal_ppi_project(pp::assets::PpiMinimalProjectConfig {
.width = 256,
.height = 128,
.layer_name = "Roundtrip",
.frame_count = 1,
.frame_duration_ms = 333,
.dirty_faces = {},
});
PP_EXPECT(h, project.ok());
const auto index = parse_ppi_project_index(project.value());
PP_EXPECT(h, index.ok());
PP_EXPECT(h, index.value().layout.thumbnail_bytes == 128U * 128U * 4U);
PP_EXPECT(h, index.value().body.summary.width == 256U);
PP_EXPECT(h, index.value().body.summary.height == 128U);
PP_EXPECT(h, index.value().body.summary.layer_count == 1U);
PP_EXPECT(h, index.value().body.summary.declared_frame_count == 1U);
PP_EXPECT(h, index.value().body.summary.dirty_face_count == 0U);
PP_EXPECT(h, index.value().body.layers[0].name == "Roundtrip");
PP_EXPECT(h, index.value().body.layers[0].opacity == 1.0F);
PP_EXPECT(h, index.value().body.layers[0].visible);
PP_EXPECT(h, index.value().body.layers[0].frames[0].duration_ms == 333U);
}
void creates_minimal_project_with_multiple_frames(pp::tests::Harness& h)
{
const auto project = create_minimal_ppi_project(pp::assets::PpiMinimalProjectConfig {
.width = 256,
.height = 128,
.layer_name = "Frames",
.frame_count = 3,
.frame_duration_ms = 111,
.dirty_faces = {},
});
PP_EXPECT(h, project.ok());
const auto index = parse_ppi_project_index(project.value());
PP_EXPECT(h, index.ok());
PP_EXPECT(h, index.value().body.summary.declared_frame_count == 3U);
PP_EXPECT(h, index.value().body.summary.total_layer_frames == 3U);
PP_EXPECT(h, index.value().body.layers[0].frames.size() == 3U);
PP_EXPECT(h, index.value().body.layers[0].frames[0].duration_ms == 111U);
PP_EXPECT(h, index.value().body.layers[0].frames[1].duration_ms == 111U);
PP_EXPECT(h, index.value().body.layers[0].frames[2].duration_ms == 111U);
}
void creates_minimal_project_with_dirty_face_payload(pp::tests::Harness& h)
{
const auto png_payload = transparent_png_1x1();
const pp::assets::PpiDirtyFacePayloadConfig dirty_faces[] {
{
.face_index = 2,
.x = 4,
.y = 5,
.width = 1,
.height = 1,
.png_rgba8 = std::span<const std::byte>(png_payload.data(), png_payload.size()),
},
};
const auto project = create_minimal_ppi_project(pp::assets::PpiMinimalProjectConfig {
.width = 256,
.height = 128,
.layer_name = "Payload",
.frame_count = 1,
.frame_duration_ms = 333,
.dirty_faces = std::span<const pp::assets::PpiDirtyFacePayloadConfig>(dirty_faces, 1),
});
PP_EXPECT(h, project.ok());
const auto decoded = decode_ppi_project_images(project.value());
PP_EXPECT(h, decoded.ok());
PP_EXPECT(h, decoded.value().project.body.summary.dirty_face_count == 1U);
PP_EXPECT(h, decoded.value().project.body.summary.rgba_face_payload_count == 1U);
PP_EXPECT(h, decoded.value().project.body.summary.compressed_face_bytes == png_payload.size());
PP_EXPECT(h, decoded.value().faces.size() == 1U);
PP_EXPECT(h, decoded.value().faces[0].face_index == 2U);
PP_EXPECT(h, decoded.value().faces[0].descriptor.x0 == 4U);
PP_EXPECT(h, decoded.value().faces[0].descriptor.y0 == 5U);
PP_EXPECT(h, decoded.value().faces[0].image.width == 1U);
PP_EXPECT(h, decoded.value().faces[0].image.height == 1U);
PP_EXPECT(h, decoded.value().faces[0].image.pixels.size() == 4U);
}
void rejects_invalid_minimal_project_writer_inputs(pp::tests::Harness& h)
{
const auto png_payload = transparent_png_1x1();
const pp::assets::PpiDirtyFacePayloadConfig duplicate_faces[] {
{
.face_index = 0,
.x = 0,
.y = 0,
.width = 1,
.height = 1,
.png_rgba8 = std::span<const std::byte>(png_payload.data(), png_payload.size()),
},
{
.face_index = 0,
.x = 1,
.y = 1,
.width = 1,
.height = 1,
.png_rgba8 = std::span<const std::byte>(png_payload.data(), png_payload.size()),
},
};
const auto no_size = create_minimal_ppi_project(pp::assets::PpiMinimalProjectConfig {
.width = 0,
.height = 128,
.layer_name = "Ink",
.frame_count = 1,
.frame_duration_ms = 100,
.dirty_faces = {},
});
const auto no_name = create_minimal_ppi_project(pp::assets::PpiMinimalProjectConfig {
.width = 128,
.height = 128,
.layer_name = "",
.frame_count = 1,
.frame_duration_ms = 100,
.dirty_faces = {},
});
const auto no_duration = create_minimal_ppi_project(pp::assets::PpiMinimalProjectConfig {
.width = 128,
.height = 128,
.layer_name = "Ink",
.frame_count = 1,
.frame_duration_ms = 0,
.dirty_faces = {},
});
const auto no_frames = create_minimal_ppi_project(pp::assets::PpiMinimalProjectConfig {
.width = 128,
.height = 128,
.layer_name = "Ink",
.frame_count = 0,
.frame_duration_ms = 100,
.dirty_faces = {},
});
const auto duplicate_dirty_face = create_minimal_ppi_project(pp::assets::PpiMinimalProjectConfig {
.width = 128,
.height = 128,
.layer_name = "Ink",
.frame_count = 1,
.frame_duration_ms = 100,
.dirty_faces = std::span<const pp::assets::PpiDirtyFacePayloadConfig>(duplicate_faces, 2),
});
PP_EXPECT(h, !no_size.ok());
PP_EXPECT(h, no_size.status().code == StatusCode::invalid_argument);
PP_EXPECT(h, !no_name.ok());
PP_EXPECT(h, no_name.status().code == StatusCode::invalid_argument);
PP_EXPECT(h, !no_duration.ok());
PP_EXPECT(h, no_duration.status().code == StatusCode::invalid_argument);
PP_EXPECT(h, !no_frames.ok());
PP_EXPECT(h, no_frames.status().code == StatusCode::out_of_range);
PP_EXPECT(h, !duplicate_dirty_face.ok());
PP_EXPECT(h, duplicate_dirty_face.status().code == StatusCode::invalid_argument);
}
}
int main()
{
pp::tests::Harness harness;
harness.run("parses_legacy_ppi_header", parses_legacy_ppi_header);
harness.run("rejects_truncated_invalid_magic_and_bad_thumbnail", rejects_truncated_invalid_magic_and_bad_thumbnail);
harness.run("rejects_unsupported_document_versions", rejects_unsupported_document_versions);
harness.run("parses_project_layout_with_thumbnail_and_body", parses_project_layout_with_thumbnail_and_body);
harness.run("rejects_project_layout_with_truncated_thumbnail", rejects_project_layout_with_truncated_thumbnail);
harness.run("parses_minimal_project_body_summary", parses_minimal_project_body_summary);
harness.run("indexes_project_layers_frames_and_faces", indexes_project_layers_frames_and_faces);
harness.run("validates_dirty_face_png_payload_metadata", validates_dirty_face_png_payload_metadata);
harness.run("decodes_dirty_face_png_payloads", decodes_dirty_face_png_payloads);
harness.run("rejects_metadata_only_payload_when_decoding_pixels", rejects_metadata_only_payload_when_decoding_pixels);
harness.run("rejects_invalid_dirty_face_png_payloads", rejects_invalid_dirty_face_png_payloads);
harness.run("rejects_invalid_project_body_summaries", rejects_invalid_project_body_summaries);
harness.run("creates_minimal_project_for_roundtrip_load", creates_minimal_project_for_roundtrip_load);
harness.run("creates_minimal_project_with_multiple_frames", creates_minimal_project_with_multiple_frames);
harness.run("creates_minimal_project_with_dirty_face_payload", creates_minimal_project_with_dirty_face_payload);
harness.run("rejects_invalid_minimal_project_writer_inputs", rejects_invalid_minimal_project_writer_inputs);
return harness.finish();
}