Ensure H2SequenceMaxValueIncrementer works with all H2 compatibility modes

See gh-27870

spring-jdbc/src/test/java/org/springframework/jdbc/support/incrementer/H2SequenceMaxValueIncrementerTests.java

@@ -16,12 +16,22 @@
 
 package org.springframework.jdbc.support.incrementer;
 
+import java.util.UUID;
+
+import javax.sql.DataSource;
+
 import org.junit.jupiter.api.Test;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.ValueSource;
 
 import org.springframework.jdbc.core.JdbcTemplate;
+import org.springframework.jdbc.datasource.DataSourceTransactionManager;
+import org.springframework.jdbc.datasource.SimpleDriverDataSource;
 import org.springframework.jdbc.datasource.embedded.EmbeddedDatabase;
 import org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseBuilder;
 import org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseType;
+import org.springframework.transaction.PlatformTransactionManager;
+import org.springframework.transaction.support.TransactionTemplate;
 
 import static org.assertj.core.api.Assertions.assertThat;
 
@@ -34,8 +44,16 @@ import static org.assertj.core.api.Assertions.assertThat;
  */
 class H2SequenceMaxValueIncrementerTests {
 
+	/**
+	 * Tests that the incrementer works when using the JDBC connection URL used
+	 * in the {@code H2EmbeddedDatabaseConfigurer} which is used transparently
+	 * when using Spring's {@link EmbeddedDatabaseBuilder}.
+	 *
+	 * <p>In other words, this tests compatibility with the default H2
+	 * <em>compatibility mode</em>.
+	 */
 	@Test
-	void incrementsSequence() {
+	void incrementsSequenceUsingH2EmbeddedDatabaseConfigurer() {
 		EmbeddedDatabase database = new EmbeddedDatabaseBuilder()
 				.setType(EmbeddedDatabaseType.H2)
 				.generateUniqueName(true)
@@ -52,4 +70,30 @@ class H2SequenceMaxValueIncrementerTests {
 		database.shutdown();
 	}
 
+	/**
+	 * Tests that the incrementer works when using all supported H2 <em>compatibility modes</em>.
+	 *
+	 * <p>The following modes are only supported with H2 2.x or higher: STRICT, LEGACY, MariaDB
+	 */
+	@ParameterizedTest
+	@ValueSource(strings = { "DB2", "Derby", "HSQLDB", "MSSQLServer", "MySQL", "Oracle", "PostgreSQL" })
+	void incrementsSequenceWithExplicitH2CompatibilityMode(String compatibilityMode) {
+		String connectionUrl = String.format("jdbc:h2:mem:%s;MODE=%s", UUID.randomUUID().toString(), compatibilityMode);
+		DataSource dataSource = new SimpleDriverDataSource(new org.h2.Driver(), connectionUrl, "sa", "");
+		JdbcTemplate jdbcTemplate = new JdbcTemplate(dataSource);
+		PlatformTransactionManager transactionManager = new DataSourceTransactionManager(dataSource);
+		TransactionTemplate transactionTemplate = new TransactionTemplate(transactionManager);
+
+		transactionTemplate.executeWithoutResult(status -> {
+			jdbcTemplate.execute("CREATE SEQUENCE SEQ");
+			assertThat(jdbcTemplate.queryForObject("values next value for SEQ", int.class)).isEqualTo(1);
+
+			H2SequenceMaxValueIncrementer incrementer = new H2SequenceMaxValueIncrementer(dataSource, "SEQ");
+			assertThat(incrementer.nextIntValue()).isEqualTo(2);
+			assertThat(incrementer.nextStringValue()).isEqualTo("3");
+		});
+
+		jdbcTemplate.execute("SHUTDOWN");
+	}
+
 }