Restore Java 8 compatibility of tests

Author: mrotteveel

src/jna-test/org/firebirdsql/gds/ng/jna/JnaStatementTest.java

@@ -33,8 +33,8 @@
 import org.junit.jupiter.params.ParameterizedTest;
 import org.junit.jupiter.params.provider.ValueSource;
 
-import java.nio.charset.StandardCharsets;
 import java.sql.SQLException;
+import java.util.Arrays;
 
 import static org.firebirdsql.common.FBTestProperties.getDefaultSupportInfo;
 import static org.firebirdsql.common.matchers.GdsTypeMatchers.isOtherNativeType;
@@ -341,7 +341,9 @@ private void assertBlobLengthAndContent(FbBlob blob, int size, boolean expectInl
         if (size > 0) {
             byte[] data = new byte[size];
             blob.get(data, 0, size);
-            assertEquals("x".repeat(size), new String(data, StandardCharsets.US_ASCII));
+            byte[] expected = new byte[size];
+            Arrays.fill(expected, (byte) 'x');
+            assertArrayEquals(expected, data);
         }
         long receivedBytesAfter = getReceivedBytes();
         long receivedBytesDifference = receivedBytesAfter - receivedBytesBefore;

src/test/org/firebirdsql/gds/impl/GDSServerVersionTest.java

@@ -30,7 +30,7 @@
 import java.io.ByteArrayOutputStream;
 import java.io.ObjectInputStream;
 import java.io.ObjectOutputStream;
-import java.util.List;
+import java.util.Arrays;
 
 import static org.junit.jupiter.api.Assertions.*;
 
@@ -236,9 +236,9 @@ void testIsEqualOrAbove() throws Exception {
 
     @Test
     void testGetRawVersions() throws Exception {
-        var version = GDSServerVersion.parseRawVersion(TEST_VERSION_30);
+        GDSServerVersion version = GDSServerVersion.parseRawVersion(TEST_VERSION_30);
 
-        assertEquals(List.of(TEST_VERSION_30), version.getRawVersions(), "rawVersions");
+        assertEquals(Arrays.asList(TEST_VERSION_30), version.getRawVersions(), "rawVersions");
     }
 
 }

src/test/org/firebirdsql/gds/ng/wire/version19/V19StatementTest.java

@@ -31,13 +31,14 @@
 import org.junit.jupiter.params.ParameterizedTest;
 import org.junit.jupiter.params.provider.ValueSource;
 
-import java.nio.charset.StandardCharsets;
 import java.sql.SQLException;
+import java.util.Arrays;
 
 import static org.firebirdsql.common.extension.RequireProtocolExtension.requireProtocolVersion;
 import static org.hamcrest.MatcherAssert.assertThat;
 import static org.hamcrest.Matchers.hasSize;
 import static org.hamcrest.Matchers.instanceOf;
+import static org.junit.jupiter.api.Assertions.assertArrayEquals;
 import static org.junit.jupiter.api.Assertions.assertEquals;
 
 /**
@@ -132,7 +133,9 @@ private static void assertBlobLengthAndContent(FbBlob blob, int size) throws SQL
         if (size > 0) {
             byte[] data = new byte[size];
             blob.get(data, 0, size);
-            assertEquals("x".repeat(size), new String(data, StandardCharsets.US_ASCII));
+            byte[] expected = new byte[size];
+            Arrays.fill(expected, (byte) 'x');
+            assertArrayEquals(expected, data);
         }
     }