implemented test_return_address

ethereum · Nov 20, 2019 · e781d37 · e781d37
1 parent c7f1486
commit e781d37
Showing 1 changed file with 28 additions and 0 deletions.
diff --git a/bindings/java/java/src/test/java/org/ethereum/evmc/EvmcTest.java b/bindings/java/java/src/test/java/org/ethereum/evmc/EvmcTest.java
@@ -14,6 +14,34 @@ void testInit() {
     assert (result == 0);
   }
 
+  @Test
+  void test_return_address() {
+    EvmcVm.init(System.getProperty("user.dir") + "/../c/build/example_vm.so");
+    HostContext context = new TestHostContext();
+    int BYZANTIUM = 4;
+    int EVMC_CALL = 0;
+    int kind = EVMC_CALL;
+    char[] sender = "39bf71de1b7d7be3b51\0".toCharArray();
+    char[] destination = "53cf77204eEef952e25\0".toCharArray();
+    char[] value = "1\0".toCharArray();
+    char[] inputData = "hello w\0".toCharArray();
+    long gas = 200000;
+    int depth = 0;
+    ByteBuffer msg =
+        new TestMessage(kind, sender, destination, value, inputData, gas, depth).toByteBuffer();
+
+    byte[] code = {0x30, 0x60, 0x00, 0x52, 0x59, 0x60, 0x00, (byte) 0xf3}; // return_address
+    ByteBuffer bbcode = ByteBuffer.allocateDirect(code.length).put(code);
+
+    ByteBuffer result =
+        EvmcVm.execute(context, BYZANTIUM, msg, bbcode, code.length).order(ByteOrder.nativeOrder());
+    int statusCode = result.getInt();
+    result.getInt(); // padding
+    long gasLeft = result.getLong();
+    assert (statusCode == 0);
+    assert (gasLeft == 0);
+  }
+
   /** Tests callbacks: get_tx_context_fn & set_storage_fn */
   @Test
   void test_save_return_block_number() {