package no.ssb.vtl.parser;

/*-
 * ========================LICENSE_START=================================
 * Java VTL
 * %%
 * Copyright (C) 2016 - 2017 Hadrien Kohl
 * %%
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * =========================LICENSE_END==================================
 */

import org.junit.Test;

/**
 * Created by hadrien on 10/02/2017.
 */
public class IdentifiersTest extends GrammarTest {

    @Test
    public void testIdentifierWithRole() throws Exception {
        parse("identifier 'identifier' := null", "joinClause");
        parse("measure 'identifier' := null", "joinClause");
        parse("attribute 'identifier' := null", "joinClause");
    }

    @Test
    public void testIdentifierImplicit() throws Exception {
        parse("implicit 'identifier' := null", "joinClause");
        parse("implicit identifier 'identifier' := null", "joinClause");
        parse("implicit measure 'identifier' := null", "joinClause");
        parse("implicit attribute 'identifier' := null", "joinClause");
    }

    @Test(expected = Exception.class)
    public void testIdentifierWithLineBreaks() throws Exception {
        parse("'ident\nifier'", "identifier");
    }

    @Test
    public void testIdentifierQuotes() throws Exception {
        parse("'ident''ifier'", "identifier");
    }

    @Test(expected = Exception.class)
    public void testIdentifierReserved() throws Exception {
        parse("identifier", "identifier");
    }

    @Test
    public void testIdentifier() throws Exception {
        parse("identifierId", "identifier");
    }

    @Test(expected = Exception.class)
    public void testInvalidIdentifier() throws Exception {
        parse("123identifier", "identifier");
    }

    @Test
    public void testQuotedInvalidIdentifier() throws Exception {
        parse("'123identifier'", "identifier");
    }
}

package no.ssb.vtl.parser;

/*-
 * ========================LICENSE_START=================================
 * Java VTL
 * %%
 * Copyright (C) 2016 - 2017 Hadrien Kohl
 * %%
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * =========================LICENSE_END==================================
 */

import org.junit.Test;

/**
 * Created by hadrien on 10/02/2017.
 */
public class IdentifiersTest extends GrammarTest {

    @Test
    public void testIdentifierWithRole() throws Exception {
        parse("identifier 'identifier' := null", "joinClause");
        parse("measure 'identifier' := null", "joinClause");
        parse("attribute 'identifier' := null", "joinClause");
    }

    @Test
    public void testIdentifierImplicit() throws Exception {
        parse("implicit 'identifier' := null", "joinClause");
        parse("implicit identifier 'identifier' := null", "joinClause");
        parse("implicit measure 'identifier' := null", "joinClause");
        parse("implicit attribute 'identifier' := null", "joinClause");
    }

    @Test(expected = Exception.class)
    public void testIdentifierWithLineBreaks() throws Exception {
        parse("'ident\nifier'", "variable");
    }

    @Test
    public void testIdentifierQuotes() throws Exception {
        parse("'ident''ifier'", "variable");
    }

    @Test(expected = Exception.class)
    public void testIdentifierReserved() throws Exception {
        parse("identifier", "variable");
    }

    @Test
    public void testIdentifier() throws Exception {
        parse("identifierId", "variable");
    }

    @Test(expected = Exception.class)
    public void testInvalidIdentifier() throws Exception {
        parse("123identifier", "variable");
    }

    @Test
    public void testQuotedInvalidIdentifier() throws Exception {
        parse("'123identifier'", "variable");
    }
}

Remove assignment loop