Added BOOLEAN tests

Author: Michael-A-McMahon

src/test/java/oracle/r2dbc/impl/OracleReadableMetadataImplTest.java

@@ -532,7 +532,8 @@ public void testObjectTypes() {
    */
   @Test
   public void testVectorType() throws SQLException {
-    Assumptions.assumeTrue(databaseVersion() >= 23);
+    Assumptions.assumeTrue(databaseVersion() >= 23,
+      "VECTOR requires Oracle Database 23ai or newer");
 
     Connection connection =
       Mono.from(sharedConnection()).block(connectTimeout());
@@ -552,7 +553,30 @@ public void testVectorType() throws SQLException {
     finally {
       tryAwaitNone(connection.close());
     }
+  }
+
+  /**
+   * Verifies the implementation of {@link OracleReadableMetadataImpl} for
+   * BOOLEAN type columns. When the test database is older than version 23ai,
+   * this test is ignored; The BOOLEAN type was added in 23ai.
+   */
+  @Test
+  public void testBooleanType() throws SQLException {
+    Assumptions.assumeTrue(databaseVersion() >= 23,
+      "BOOLEAN requires Oracle Database 23ai or newer");
 
+    Connection connection =
+      Mono.from(sharedConnection()).block(connectTimeout());
+    try {
+      // Expect BOOLEAN and Boolean to map.
+      verifyColumnMetadata(
+        connection, "BOOLEAN", JDBCType.BOOLEAN, R2dbcType.BOOLEAN,
+        null, null,
+        Boolean.class, true);
+    }
+    finally {
+      tryAwaitNone(connection.close());
+    }
   }
 
   /**

src/test/java/oracle/r2dbc/impl/TypeMappingTest.java

@@ -436,16 +436,15 @@ public void testJsonMapping() {
       tryAwaitNone(connection.close());
     }
   }
-
   /**
    * <p>
    * Verifies the implementation of Java to SQL and SQL to Java type mappings
    * where the Java type is {@link Boolean} and the SQL type is a numeric type.
-   * The R2DBC 0.9.0 Specification only requires that Java {@code Boolean} be
-   * mapped to the SQL BOOLEAN type, however Oracle Database does not support a
-   * BOOLEAN column type. To allow the use of the {@code Boolean} bind
-   * values, Oracle JDBC supports binding the Boolean as a NUMBER. Oracle
-   * R2DBC is expected to expose this functionality as well.
+   * The R2DBC 1.0.0 Specification only requires that Java {@code Boolean} be
+   * mapped to the SQL BOOLEAN type, however Oracle Database did not support a
+   * BOOLEAN column type until the 23ai release. To allow the use of the
+   * {@code Boolean} bind values, Oracle JDBC supports binding the Boolean as a
+   * NUMBER. Oracle R2DBC is expected to expose this functionality as well.
    *</p>
    */
   @Test
@@ -474,6 +473,41 @@ public void testBooleanNumericMapping() {
     }
   }
 
+  /**
+   * <p>
+   * Verifies the implementation of Java to SQL and SQL to Java type mappings
+   * where the Java type is {@link Boolean} and the SQL type is BOOLEAN. Oracle
+   * Database added support for a BOOLEAN column type in the 23ai release.
+   *</p>
+   */
+  @Test
+  public void testBooleanMapping() {
+    assumeTrue(databaseVersion() >= 23,
+      "BOOLEAN requires Oracle Database 23ai or newer");
+
+    Connection connection =
+      Mono.from(sharedConnection()).block(connectTimeout());
+    try {
+      // Expect BOOLEAN and Boolean to map
+      verifyTypeMapping(connection, true, "BOOLEAN",
+        (expected, actual) -> assertEquals(Boolean.TRUE, actual));
+      verifyTypeMapping(connection, false, "BOOLEAN",
+        (expected, actual) -> assertEquals(Boolean.FALSE, actual));
+
+      // Expect NUMBER and Boolean to map, with Row.get(..., Boolean.class)
+      // mapping the NUMBER column value to Boolean
+      verifyTypeMapping(connection, true, "BOOLEAN",
+        row -> row.get(0, Boolean.class),
+        (expected, actual) -> assertTrue(actual));
+      verifyTypeMapping(connection, false, "BOOLEAN",
+        row -> row.get(0, Boolean.class),
+        (expected, actual) -> assertFalse(actual));
+    }
+    finally {
+      tryAwaitNone(connection.close());
+    }
+  }
+
   /**
    * <p>
    * Verifies the implementation of Java to SQL and SQL to Java type mappings