test(vm): add unit test for push0 instruction

Author: yanghang8612

framework/src/test/java/org/tron/common/runtime/vm/OperationsTest.java

@@ -24,6 +24,7 @@
 import org.tron.core.db.Manager;
 import org.tron.core.exception.ContractValidateException;
 import org.tron.core.store.StoreFactory;
+import org.tron.core.vm.EnergyCost;
 import org.tron.core.vm.JumpTable;
 import org.tron.core.vm.Op;
 import org.tron.core.vm.Operation;
@@ -40,7 +41,7 @@ public class OperationsTest {
 
   private ProgramInvokeMockImpl invoke;
   private Program program;
-  private final JumpTable jumpTable = OperationRegistry.newTronV10OperationSet();
+  private final JumpTable jumpTable = OperationRegistry.getTable();
   private static ChainBaseManager chainBaseManager;
   private static String dbPath;
   private static TronApplicationContext context;
@@ -862,6 +863,25 @@ public void testComplexOperations() throws ContractValidateException {
 
   }
 
+  @Test
+  public void testPush0() throws ContractValidateException {
+    VMConfig.initAllowTvmShangHai(1);
+
+    invoke = new ProgramInvokeMockImpl();
+    Protocol.Transaction trx = Protocol.Transaction.getDefaultInstance();
+    InternalTransaction interTrx =
+        new InternalTransaction(trx, InternalTransaction.TrxType.TRX_UNKNOWN_TYPE);
+
+    byte[] op = new byte[1];
+    op[0] = Op.PUSH0;
+    program = new Program(op, op, invoke, interTrx);
+    testOperations(program);
+    Assert.assertEquals(EnergyCost.getBaseTierCost(null), program.getResult().getEnergyUsed());
+    Assert.assertEquals(DataWord.ZERO(), program.getStack().pop());
+
+    VMConfig.initAllowTvmShangHai(0);
+  }
+
   private void testOperations(Program program) {
     try {
       while (!program.isStopped()) {