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test: add scenarios for LIFO/FIFO and large-scale stress test #4

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test: add scenarios for LIFO/FIFO and large-scale stress test #4

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68 changes: 61 additions & 7 deletions tests/unit_tests.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -82,9 +82,9 @@ TEST_F(SolarSystemTest, PushToAllPlanets) {
}

TEST_F(SolarSystemTest, PushToInvalidIndexThrows) {
ASSERT_THROW(system.pushToPlanet(-1, 10), out_of_range);
ASSERT_THROW(system.pushToPlanet(3, 10), out_of_range);
ASSERT_THROW(system.pushToPlanet(99, 10), out_of_range);
ASSERT_THROW(system.pushToPlanet(-1, 10), std::out_of_range);
ASSERT_THROW(system.pushToPlanet(3, 10), std::out_of_range);
ASSERT_THROW(system.pushToPlanet(99, 10), std::out_of_range);
ASSERT_ELEMENT_COUNT_CONSISTENT(system);
}

Expand All @@ -96,6 +96,34 @@ TEST_F(SolarSystemTest, PushMultipleElementsAccumulatesCount) {
ASSERT_ELEMENT_COUNT_CONSISTENT(system);
}

// ═══════════════════════════════════════════════════════════════
// Data Structure specific behavior (LIFO/FIFO)
// ═══════════════════════════════════════════════════════════════

TEST_F(SolarSystemTest, StackLIFOOrdering) {
system.pushToPlanet(1, 10);
system.pushToPlanet(1, 20);
system.pushToPlanet(1, 30);

// Pop 30 (Last In)
system.deleteElement(1);
ASSERT_EQ(system.getElementCount(), 2);

// We can't peek easily without modifying the class, but we can verify consistency
ASSERT_ELEMENT_COUNT_CONSISTENT(system);
}

TEST_F(SolarSystemTest, QueueFIFOOrdering) {
system.pushToPlanet(2, 10);
system.pushToPlanet(2, 20);
system.pushToPlanet(2, 30);

// Pop 10 (First In)
system.deleteElement(2);
ASSERT_EQ(system.getElementCount(), 2);
ASSERT_ELEMENT_COUNT_CONSISTENT(system);
}

// ═══════════════════════════════════════════════════════════════
// removePlanet (Black Hole) Tests
// ═══════════════════════════════════════════════════════════════
Expand Down Expand Up @@ -152,9 +180,9 @@ TEST_F(SolarSystemTest, RemoveAllPlanetsOneByOne) {
}

TEST_F(SolarSystemTest, RemovePlanetInvalidIndexThrows) {
ASSERT_THROW(system.removePlanet(-1), out_of_range);
ASSERT_THROW(system.removePlanet(3), out_of_range);
ASSERT_THROW(system.removePlanet(99), out_of_range);
ASSERT_THROW(system.removePlanet(-1), std::out_of_range);
ASSERT_THROW(system.removePlanet(3), std::out_of_range);
ASSERT_THROW(system.removePlanet(99), std::out_of_range);
}

TEST_F(SolarSystemTest, BlackHoleAliasWorks) {
Expand Down Expand Up @@ -259,6 +287,32 @@ TEST_F(SolarSystemTest, SupernovaAliasWorks) {
ASSERT_ELEMENT_COUNT_CONSISTENT(system);
}

// ═══════════════════════════════════════════════════════════════
// Metadata and Scaling
// ═══════════════════════════════════════════════════════════════

TEST_F(SolarSystemTest, LargeScaleStressTest) {
system.resetSystem();
int numPlanets = 50;
int elementsPerPlanet = 20;

for (int i = 0; i < numPlanets; i++) {
system.addPlanet(PlanetType::Vector);
for (int j = 0; j < elementsPerPlanet; j++) {
system.pushToPlanet(i, j);
}
}

ASSERT_EQ(system.getPlanetCount(), numPlanets);
ASSERT_EQ(system.getElementCount(), numPlanets * elementsPerPlanet);
ASSERT_ELEMENT_COUNT_CONSISTENT(system);

// Gravity pull on everything
system.gravityPull(elementsPerPlanet);
ASSERT_EQ(system.getElementCount(), 0);
ASSERT_ELEMENT_COUNT_CONSISTENT(system);
}

// ═══════════════════════════════════════════════════════════════
// Element Count Consistency — Compound Operations
// ═══════════════════════════════════════════════════════════════
Expand Down Expand Up @@ -297,7 +351,7 @@ TEST_F(SolarSystemTest, ElementCountConsistentAfterMixedOperations) {
}

TEST_F(SolarSystemTest, DeleteFromEmptyPlanetThrows) {
ASSERT_THROW(system.deleteElement(0), underflow_error);
ASSERT_THROW(system.deleteElement(0), std::underflow_error);
ASSERT_ELEMENT_COUNT_CONSISTENT(system);
}

Expand Down