@Test
    void testIsSame_ForeignKeyColumn_ForeignKeyColumn() {
        final ForeignKeyColumn[] foreignKeyColumns = new ForeignKeyColumn[] {
            foreignKeyColumnA2_C1, foreignKeyColumnB2_D1
        };
        
        for (int i = 0; i < foreignKeyColumns.length; i++) {
            for (int j = 0; j < foreignKeyColumns.length; j++) {
                assertEquals(
                    "  Is " + foreignKeyColumns[i].getId() + 
                    " same as " + foreignKeyColumns[j].getId() + 
                    ": ", i == j, 
                    DocumentDbUtil.isSame(foreignKeyColumns[i], foreignKeyColumns[j])
                );
            }
        }
    }
Test of isSame method, of class DocumentDbUtil.
runtime-parent/runtime-config/src/test/java/com/speedment/runtime/config/util/DocumentUtilTest.java