VoxelEngine/test/data/StructLayout.cpp
2025-04-02 14:55:53 +03:00

136 lines
4.1 KiB
C++

#include "data/StructLayout.hpp"
#include <gtest/gtest.h>
#include <algorithm>
#include <climits>
#include "data/dv.hpp"
using namespace data;
TEST(StructLayout, ReadWrite) {
ubyte buffer[16] {};
std::vector<Field> fields {
Field {FieldType::I8, "a", 1},
Field {FieldType::CHAR, "s", 4},
Field {FieldType::F32, "f", 1},
};
auto layout = StructLayout::create(fields);
EXPECT_EQ(layout.size(), 9);
layout.setInteger(buffer, 42, "a");
EXPECT_EQ(layout.getInteger(buffer, "a"), 42);
layout.setNumber(buffer, 3.141592f, "f");
EXPECT_FLOAT_EQ(layout.getNumber(buffer, "f"), 3.141592f);
layout.setAscii(buffer, "hello", "s");
EXPECT_EQ(layout.getChars(buffer, "s"), "hell");
}
TEST(StructLayout, Unicode) {
ubyte buffer[8] {};
std::vector<Field> fields {
Field {FieldType::CHAR, "text", 5},
};
auto layout = StructLayout::create(fields);
EXPECT_EQ(layout.size(), 5);
layout.setUnicode(buffer, u8"テキストデモ", "text");
EXPECT_EQ(layout.getChars(buffer, "text"), std::string(u8""));
layout.setUnicode(buffer, u8"пример", "text");
EXPECT_EQ(layout.getChars(buffer, "text"), std::string(u8"пр"));
}
TEST(StructLayout, ConvertReorder) {
ubyte src[16] {};
std::vector<Field> srcFields {
Field {FieldType::CHAR, "text", 5},
Field {FieldType::F64, "pi", 1},
};
auto srcLayout = StructLayout::create(srcFields);
srcLayout.setAscii(src, "truth", "text");
srcLayout.setNumber(src, 3.141592, "pi");
EXPECT_EQ(srcLayout.getChars(src, "text"), "truth");
EXPECT_DOUBLE_EQ(srcLayout.getNumber(src, "pi"), 3.141592);
ubyte dst[32] {};
std::vector<Field> dstFields {
Field {FieldType::I64, "arr", 2}, // an array of 2 i64
Field {FieldType::CHAR, "text", 5},
Field {FieldType::F64, "pi", 1},
};
auto dstLayout = StructLayout::create(dstFields);
EXPECT_EQ(srcLayout.checkCompatibility(dstLayout).size(), 0);
dstLayout.convert(srcLayout, src, dst, false);
EXPECT_EQ(dstLayout.getChars(dst, "text"), "truth");
EXPECT_DOUBLE_EQ(dstLayout.getNumber(dst, "pi"), 3.141592);
}
TEST(StructLayout, ConvertWithLoss) {
ubyte src[32] {};
std::vector<Field> srcFields {
Field {FieldType::CHAR, "text", 5},
Field {FieldType::I16, "someint", 1},
Field {FieldType::F64, "pi", 1},
};
auto srcLayout = StructLayout::create(srcFields);
srcLayout.setAscii(src, "truth", "text");
srcLayout.setInteger(src, 150, "someint");
srcLayout.setNumber(src, 3.141592, "pi");
EXPECT_EQ(srcLayout.getChars(src, "text"), "truth");
EXPECT_EQ(srcLayout.getInteger(src, "someint"), 150);
EXPECT_DOUBLE_EQ(srcLayout.getNumber(src, "pi"), 3.141592);
ubyte dst[8] {};
std::vector<Field> dstFields {
Field {FieldType::CHAR, "text", 3},
Field {FieldType::I8, "someint", 1, FieldConvertStrategy::CLAMP},
};
auto dstLayout = StructLayout::create(dstFields);
auto report = srcLayout.checkCompatibility(dstLayout);
// check report
std::sort(report.begin(), report.end(), [](const auto& a, const auto& b) {
return a.name < b.name;
});
EXPECT_EQ(report.size(), 3);
EXPECT_EQ(report[0].name, "pi");
EXPECT_EQ(report[0].type, FieldIncapatibilityType::MISSING);
EXPECT_EQ(report[1].name, "someint");
EXPECT_EQ(report[1].type, FieldIncapatibilityType::DATA_LOSS);
EXPECT_EQ(report[2].name, "text");
EXPECT_EQ(report[2].type, FieldIncapatibilityType::DATA_LOSS);
// convert with losses
dstLayout.convert(srcLayout, src, dst, true);
EXPECT_EQ(dstLayout.getChars(dst, "text"), "tru");
EXPECT_EQ(dstLayout.getInteger(dst, "someint"), INT8_MAX);
}
TEST(StructLayout, Serialization) {
std::vector<Field> fields {
Field (FieldType::CHAR, "text", 5),
Field (FieldType::I16, "someint", 1),
Field (FieldType::F64, "pi", 1),
};
auto layout1 = StructLayout::create(fields);
auto serialized = layout1.serialize();
std::cout << serialized << std::endl;
StructLayout layout2;
layout2.deserialize(serialized);
EXPECT_EQ(layout1, layout2);
}