Add deconstruction queue

src/test/CommandTest.cpp

@@ -10,6 +10,7 @@
 #include "Rotation.h"
 #include "Simulation.h"
 #include "SimulationTestAccess.h"
+#include "Tick.h"
 
 namespace
 {
@@ -78,6 +79,35 @@ TEST_CASE("apply(DemolishCommand) matches direct demolish", "[command]")
     REQUIRE(viaCommand.computeStateChecksum() == viaDirect.computeStateChecksum());
 }
 
+TEST_CASE("apply(CancelDeconstructionCommand) matches direct cancelDeconstruction", "[command]")
+{
+    Simulation viaCommand(loadConfig(), 99);
+    Simulation viaDirect(loadConfig(), 99);
+
+    const BuildingId idA =
+        SimulationTestAccess::place(viaCommand, BuildingType::Miner, QPoint(-3, 0), Rotation::East).value();
+    const BuildingId idB =
+        SimulationTestAccess::place(viaDirect, BuildingType::Miner, QPoint(-3, 0), Rotation::East).value();
+    REQUIRE(idA == idB);
+
+    // Build the miners, then queue both for deconstruction identically.
+    for (int i = 0; i < static_cast<int>(secondsToTicks(10.0)) + 1; ++i)
+    {
+        viaCommand.tick();
+        viaDirect.tick();
+    }
+    SimulationTestAccess::demolish(viaCommand, idA);
+    SimulationTestAccess::demolish(viaDirect, idB);
+
+    CancelDeconstructionCommand command;
+    command.id = idA;
+    viaCommand.apply(command);
+
+    SimulationTestAccess::cancelDeconstruction(viaDirect, idB);
+
+    REQUIRE(viaCommand.computeStateChecksum() == viaDirect.computeStateChecksum());
+}
+
 TEST_CASE("CommandManager drains queued commands in FIFO order through apply", "[command]")
 {
     Simulation viaManager(loadConfig(), 99);