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main.cpp
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#include "common.h"
#include "formula.h"
#include "test_runner_p.h"
inline std::ostream& operator<<(std::ostream& output, Position pos) {
return output << "(" << pos.row << ", " << pos.col << ")";
}
inline Position operator"" _pos(const char* str, std::size_t) {
return Position::FromString(str);
}
inline std::ostream& operator<<(std::ostream& output, Size size) {
return output << "(" << size.rows << ", " << size.cols << ")";
}
inline std::ostream& operator<<(std::ostream& output, const CellInterface::Value& value) {
std::visit(
[&](const auto& x) {
output << x;
},
value);
return output;
}
namespace {
std::string ToString(FormulaError::Category category) {
return std::string(FormulaError(category).ToString());
}
void TestPositionAndStringConversion() {
auto testSingle = [](Position pos, std::string_view str) {
ASSERT_EQUAL(pos.ToString(), str);
ASSERT_EQUAL(Position::FromString(str), pos);
};
for (int i = 0; i < 25; ++i) {
testSingle(Position{i, i}, char('A' + i) + std::to_string(i + 1));
}
testSingle(Position{0, 0}, "A1");
testSingle(Position{0, 1}, "B1");
testSingle(Position{0, 25}, "Z1");
testSingle(Position{0, 26}, "AA1");
testSingle(Position{0, 27}, "AB1");
testSingle(Position{0, 51}, "AZ1");
testSingle(Position{0, 52}, "BA1");
testSingle(Position{0, 53}, "BB1");
testSingle(Position{0, 77}, "BZ1");
testSingle(Position{0, 78}, "CA1");
testSingle(Position{0, 701}, "ZZ1");
testSingle(Position{0, 702}, "AAA1");
testSingle(Position{136, 2}, "C137");
testSingle(Position{Position::MAX_ROWS - 1, Position::MAX_COLS - 1}, "XFD16384");
}
void TestPositionToStringInvalid() {
ASSERT_EQUAL((Position{-1, -1}).ToString(), "");
ASSERT_EQUAL((Position{-10, 0}).ToString(), "");
ASSERT_EQUAL((Position{1, -3}).ToString(), "");
}
void TestStringToPositionInvalid() {
ASSERT(!Position::FromString("").IsValid());
ASSERT(!Position::FromString("A").IsValid());
ASSERT(!Position::FromString("1").IsValid());
ASSERT(!Position::FromString("e2").IsValid());
ASSERT(!Position::FromString("A0").IsValid());
ASSERT(!Position::FromString("A-1").IsValid());
ASSERT(!Position::FromString("A+1").IsValid());
ASSERT(!Position::FromString("R2D2").IsValid());
ASSERT(!Position::FromString("C3PO").IsValid());
ASSERT(!Position::FromString("XFD16385").IsValid());
ASSERT(!Position::FromString("XFE16384").IsValid());
ASSERT(!Position::FromString("A1234567890123456789").IsValid());
ASSERT(!Position::FromString("ABCDEFGHIJKLMNOPQRS8").IsValid());
}
void TestEmpty() {
auto sheet = CreateSheet();
ASSERT_EQUAL(sheet->GetPrintableSize(), (Size{0, 0}));
}
void TestInvalidPosition() {
auto sheet = CreateSheet();
try {
sheet->SetCell(Position{-1, 0}, "");
} catch (const InvalidPositionException&) {
}
try {
sheet->GetCell(Position{0, -2});
} catch (const InvalidPositionException&) {
}
try {
sheet->ClearCell(Position{Position::MAX_ROWS, 0});
} catch (const InvalidPositionException&) {
}
}
void TestSetCellPlainText() {
auto sheet = CreateSheet();
auto checkCell = [&](Position pos, std::string text) {
sheet->SetCell(pos, text);
CellInterface* cell = sheet->GetCell(pos);
ASSERT(cell != nullptr);
ASSERT_EQUAL(cell->GetText(), text);
ASSERT_EQUAL(std::get<std::string>(cell->GetValue()), text);
};
checkCell("A1"_pos, "Hello");
checkCell("A1"_pos, "World");
checkCell("B2"_pos, "Purr");
checkCell("A3"_pos, "Meow");
const SheetInterface& constSheet = *sheet;
ASSERT_EQUAL(constSheet.GetCell("B2"_pos)->GetText(), "Purr");
sheet->SetCell("A3"_pos, "'=escaped");
CellInterface* cell = sheet->GetCell("A3"_pos);
ASSERT_EQUAL(cell->GetText(), "'=escaped");
ASSERT_EQUAL(std::get<std::string>(cell->GetValue()), "=escaped");
}
void TestClearCell() {
auto sheet = CreateSheet();
sheet->SetCell("C2"_pos, "Me gusta");
sheet->ClearCell("C2"_pos);
ASSERT(sheet->GetCell("C2"_pos) == nullptr);
sheet->ClearCell("A1"_pos);
sheet->ClearCell("J10"_pos);
}
void TestFormulaArithmetic() {
auto sheet = CreateSheet();
auto evaluate = [&](std::string expr) {
return std::get<double>(ParseFormula(std::move(expr))->Evaluate(*sheet));
};
ASSERT_EQUAL(evaluate("1"), 1);
ASSERT_EQUAL(evaluate("42"), 42);
ASSERT_EQUAL(evaluate("2 + 2"), 4);
ASSERT_EQUAL(evaluate("2 + 2*2"), 6);
ASSERT_EQUAL(evaluate("4/2 + 6/3"), 4);
ASSERT_EQUAL(evaluate("(2+3)*4 + (3-4)*5"), 15);
ASSERT_EQUAL(evaluate("(12+13) * (14+(13-24/(1+1))*55-46)"), 575);
}
void TestFormulaReferences() {
auto sheet = CreateSheet();
auto evaluate = [&](std::string expr) {
return std::get<double>(ParseFormula(std::move(expr))->Evaluate(*sheet));
};
sheet->SetCell("A1"_pos, "1");
ASSERT_EQUAL(evaluate("A1"), 1);
sheet->SetCell("A2"_pos, "2");
ASSERT_EQUAL(evaluate("A1+A2"), 3);
// Тест на нули:
sheet->SetCell("B3"_pos, "");
ASSERT_EQUAL(evaluate("A1+B3"), 1); // Ячейка с пустым текстом
ASSERT_EQUAL(evaluate("A1+B1"), 1); // Пустая ячейка
ASSERT_EQUAL(evaluate("A1+E4"), 1); // Ячейка за пределами таблицы
}
void TestFormulaExpressionFormatting() {
auto reformat = [](std::string expr) {
return ParseFormula(std::move(expr))->GetExpression();
};
ASSERT_EQUAL(reformat(" 1 "), "1");
ASSERT_EQUAL(reformat(" -1 "), "-1");
ASSERT_EQUAL(reformat("2 + 2"), "2+2");
ASSERT_EQUAL(reformat("(2*3)+4"), "2*3+4");
ASSERT_EQUAL(reformat("(2*3)-4"), "2*3-4");
ASSERT_EQUAL(reformat("( ( ( 1) ) )"), "1");
}
void TestFormulaReferencedCells() {
ASSERT(ParseFormula("1")->GetReferencedCells().empty());
auto a1 = ParseFormula("A1");
ASSERT_EQUAL(a1->GetReferencedCells(), (std::vector{"A1"_pos}));
auto b2c3 = ParseFormula("B2+C3");
ASSERT_EQUAL(b2c3->GetReferencedCells(), (std::vector{"B2"_pos, "C3"_pos}));
auto tricky = ParseFormula("A1 + A2 + A1 + A3 + A1 + A2 + A1");
ASSERT_EQUAL(tricky->GetExpression(), "A1+A2+A1+A3+A1+A2+A1");
ASSERT_EQUAL(tricky->GetReferencedCells(), (std::vector{"A1"_pos, "A2"_pos, "A3"_pos}));
}
void TestErrorValue() {
auto sheet = CreateSheet();
sheet->SetCell("E2"_pos, "A1");
sheet->SetCell("E4"_pos, "=E2");
ASSERT_EQUAL(sheet->GetCell("E4"_pos)->GetValue(),
CellInterface::Value(FormulaError::Category::Value));
sheet->SetCell("E2"_pos, "3D");
ASSERT_EQUAL(sheet->GetCell("E4"_pos)->GetValue(),
CellInterface::Value(FormulaError::Category::Value));
}
void TestErrorDiv0() {
auto sheet = CreateSheet();
constexpr double max = std::numeric_limits<double>::max();
sheet->SetCell("A1"_pos, "=1/0");
ASSERT_EQUAL(sheet->GetCell("A1"_pos)->GetValue(),
CellInterface::Value(FormulaError::Category::Div0));
sheet->SetCell("A1"_pos, "=1e+200/1e-200");
ASSERT_EQUAL(sheet->GetCell("A1"_pos)->GetValue(),
CellInterface::Value(FormulaError::Category::Div0));
sheet->SetCell("A1"_pos, "=0/0");
ASSERT_EQUAL(sheet->GetCell("A1"_pos)->GetValue(),
CellInterface::Value(FormulaError::Category::Div0));
{
std::ostringstream formula;
formula << '=' << max << '+' << max;
sheet->SetCell("A1"_pos, formula.str());
ASSERT_EQUAL(sheet->GetCell("A1"_pos)->GetValue(),
CellInterface::Value(FormulaError::Category::Div0));
}
{
std::ostringstream formula;
formula << '=' << -max << '-' << max;
sheet->SetCell("A1"_pos, formula.str());
ASSERT_EQUAL(sheet->GetCell("A1"_pos)->GetValue(),
CellInterface::Value(FormulaError::Category::Div0));
}
{
std::ostringstream formula;
formula << '=' << max << '*' << max;
sheet->SetCell("A1"_pos, formula.str());
ASSERT_EQUAL(sheet->GetCell("A1"_pos)->GetValue(),
CellInterface::Value(FormulaError::Category::Div0));
}
}
void TestEmptyCellTreatedAsZero() {
auto sheet = CreateSheet();
sheet->SetCell("A1"_pos, "=B2");
ASSERT_EQUAL(sheet->GetCell("A1"_pos)->GetValue(), CellInterface::Value(0));
}
void TestFormulaInvalidPosition() {
auto sheet = CreateSheet();
auto try_formula = [&](const std::string& formula) {
try {
sheet->SetCell("A1"_pos, formula);
ASSERT(false);
} catch (const FormulaException&) {
// we expect this one
}
};
try_formula("=X0");
try_formula("=ABCD1");
try_formula("=A123456");
try_formula("=ABCDEFGHIJKLMNOPQRS1234567890");
try_formula("=XFD16385");
try_formula("=XFE16384");
try_formula("=R2D2");
}
void TestPrint() {
auto sheet = CreateSheet();
sheet->SetCell("A2"_pos, "meow");
sheet->SetCell("B2"_pos, "=35");
ASSERT_EQUAL(sheet->GetPrintableSize(), (Size{2, 2}));
std::ostringstream texts;
sheet->PrintTexts(texts);
ASSERT_EQUAL(texts.str(), "\t\nmeow\t=35\n");
std::ostringstream values;
sheet->PrintValues(values);
ASSERT_EQUAL(values.str(), "\t\nmeow\t35\n");
}
void TestCellReferences() {
auto sheet = CreateSheet();
sheet->SetCell("A1"_pos, "1");
sheet->SetCell("A2"_pos, "=A1");
sheet->SetCell("B2"_pos, "=A1");
ASSERT(sheet->GetCell("A1"_pos)->GetReferencedCells().empty());
ASSERT_EQUAL(sheet->GetCell("A2"_pos)->GetReferencedCells(), std::vector{"A1"_pos});
ASSERT_EQUAL(sheet->GetCell("B2"_pos)->GetReferencedCells(), std::vector{"A1"_pos});
// Ссылка на пустую ячейку
sheet->SetCell("B2"_pos, "=B1");
ASSERT(sheet->GetCell("B1"_pos)->GetReferencedCells().empty());
ASSERT_EQUAL(sheet->GetCell("B2"_pos)->GetReferencedCells(), std::vector{"B1"_pos});
sheet->SetCell("A2"_pos, "");
ASSERT(sheet->GetCell("A1"_pos)->GetReferencedCells().empty());
ASSERT(sheet->GetCell("A2"_pos)->GetReferencedCells().empty());
// Ссылка на ячейку за пределами таблицы
sheet->SetCell("B1"_pos, "=C3");
ASSERT_EQUAL(sheet->GetCell("B1"_pos)->GetReferencedCells(), std::vector{"C3"_pos});
}
void TestFormulaIncorrect() {
auto isIncorrect = [](std::string expression) {
try {
ParseFormula(std::move(expression));
} catch (const FormulaException&) {
return true;
}
return false;
};
ASSERT(isIncorrect("A2B"));
ASSERT(isIncorrect("3X"));
ASSERT(isIncorrect("A0++"));
ASSERT(isIncorrect("((1)"));
ASSERT(isIncorrect("2+4-"));
}
void TestCellCircularReferences() {
auto sheet = CreateSheet();
sheet->SetCell("E2"_pos, "=E4");
sheet->SetCell("E4"_pos, "=X9");
sheet->SetCell("X9"_pos, "=M6");
sheet->SetCell("M6"_pos, "Ready");
bool caught = false;
try {
sheet->SetCell("M6"_pos, "=E2");
} catch (const CircularDependencyException&) {
caught = true;
}
ASSERT(caught);
ASSERT_EQUAL(sheet->GetCell("M6"_pos)->GetText(), "Ready");
}
} // namespace
int main() {
TestRunner tr;
RUN_TEST(tr, TestPositionAndStringConversion);
RUN_TEST(tr, TestPositionToStringInvalid);
RUN_TEST(tr, TestStringToPositionInvalid);
RUN_TEST(tr, TestEmpty);
RUN_TEST(tr, TestInvalidPosition);
RUN_TEST(tr, TestSetCellPlainText);
RUN_TEST(tr, TestClearCell);
RUN_TEST(tr, TestFormulaArithmetic);
RUN_TEST(tr, TestFormulaReferences);
RUN_TEST(tr, TestFormulaExpressionFormatting);
RUN_TEST(tr, TestFormulaReferencedCells);
RUN_TEST(tr, TestErrorValue);
RUN_TEST(tr, TestErrorDiv0);
RUN_TEST(tr, TestEmptyCellTreatedAsZero);
RUN_TEST(tr, TestFormulaInvalidPosition);
RUN_TEST(tr, TestPrint);
RUN_TEST(tr, TestCellReferences);
RUN_TEST(tr, TestFormulaIncorrect);
RUN_TEST(tr, TestCellCircularReferences);
return 0;
}