Add Java test

giovanniberti · Sep 29, 2023 · 1631adc · 1631adc
1 parent 8b4217a
commit 1631adc
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diff --git a/tests/driver/native/src/lib.rs b/tests/driver/native/src/lib.rs
@@ -135,6 +135,10 @@ pub mod jni {
             format!("{:?}", v)
         }
 
+        pub extern "jni" fn byteArrayToString(self, v: Box<[u8]>) -> String {
+            format!("{:?}", v)
+        }
+
         pub extern "java" fn getPassword(
             &self,
             env: &JNIEnv,

diff --git a/tests/driver/src/main/java/User.java b/tests/driver/src/main/java/User.java
@@ -55,6 +55,8 @@ public class User {
 
     public native String stringArrayToString(List<String> x);
 
+    public native String byteArrayToString(byte[] x);
+
     private native static void initNative();
 
     public native static String userCountStatus();

diff --git a/tests/driver/src/test/java/UserTest.java b/tests/driver/src/test/java/UserTest.java
@@ -5,6 +5,7 @@
 import java.util.function.Function;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertArrayEquals;
 
 public class UserTest {
     private User u;
@@ -135,6 +136,12 @@ public void stringArrayTest() {
         assertValueRoundTrip(u::getStringArray, u::stringArrayToString, List.of("a", "b", "c"), "[\"a\", \"b\", \"c\"]");
     }
 
+    @Test
+    public void byteArrayTest() {
+        assertArrayValueRoundTrip(u::getByteArray, u::byteArrayToString, new byte[0], "[]");
+        assertArrayValueRoundTrip(u::getByteArray, u::byteArrayToString, new byte[] {1, 2, 3}, "[1, 2, 3]");
+    }
+
     @Test
     public void staticMethod() {
         assertEquals(String.valueOf(User.getTotalUsersCount()), User.userCountStatus());
@@ -144,4 +151,9 @@ private <T> void assertValueRoundTrip(Function<T, T> func, Function<T, String> t
         assertEquals(value, func.apply(value));
         assertEquals(text, toString.apply(value));
     }
+
+    private <T> void assertArrayValueRoundTrip(Function<byte[], byte[]> func, Function<byte[], String> toString, byte[] value, String text) {
+        assertArrayEquals(value, func.apply(value));
+        assertEquals(text, toString.apply(value));
+    }
 }