IOException becomes UncheckedIOException

Author: runeflobakk

src/main/java/no/digipost/DiggExceptions.java

@@ -22,6 +22,8 @@
 import no.digipost.function.ThrowingRunnable;
 import no.digipost.function.ThrowingSupplier;
 
+import java.io.IOException;
+import java.io.UncheckedIOException;
 import java.util.function.Consumer;
 import java.util.function.Function;
 import java.util.stream.Stream;
@@ -102,7 +104,11 @@ public static <X extends Throwable> RuntimeException asUnchecked(X t, Function<?
      *         and the given exception as its {@link Throwable#getCause() cause}
      */
     public static RuntimeException asUnchecked(Throwable t, String message) {
-        return new RuntimeException(message, t);
+        if (t instanceof IOException) {
+            return new UncheckedIOException(message, (IOException) t);
+        } else {
+            return new RuntimeException(message, t);
+        }
     }
 
     /**

src/test/java/no/digipost/DiggExceptionsTest.java

@@ -20,6 +20,7 @@
 import org.junit.jupiter.api.Test;
 
 import java.io.IOException;
+import java.io.UncheckedIOException;
 import java.util.List;
 import java.util.Optional;
 import java.util.function.Consumer;
@@ -124,6 +125,12 @@ public MyCheckedException() {
                     () -> assertThat(uncheckedException, where(Exception::getMessage, containsString("DiggExceptionsTest.AsUnchecked.MyCheckedException"))),
                     () -> assertThat(uncheckedException, where(Exception::getMessage, containsString("Who in their right mind"))));
         }
+
+        @Test
+        void ioExceptionAsUncheckedIOException() {
+            assertThat(new IOException("error"), where(DiggExceptions::asUnchecked, instanceOf(UncheckedIOException.class)));
+        }
+
     }
 
 }