* limitations under the License.
 */
package org.gradle.api.plugins.antlr.internal.antlr2;

import antlr.collections.impl.IndexedVector;
import antlr.preprocessor.GrammarFile;

import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.List;

/**

        assert file("grammar-builder/build/generated-src/antlr/main/${grammarName}.tokens").exists()
        assert file("grammar-builder/build/generated-src/antlr/main/${grammarName}BaseListener.java").exists()
        assert file("grammar-builder/build/generated-src/antlr/main/${grammarName}Lexer.java").exists()
        assert file("grammar-builder/build/generated-src/antlr/main/${grammarName}Lexer.tokens").exists()

        then:
        file("build/generated-src/antlr/main/TestGrammar.java").exists()
        file("build/generated-src/antlr/main/TestGrammar.smap").exists()
        file("build/generated-src/antlr/main/TestGrammarTokenTypes.java").exists()
        file("build/generated-src/antlr/main/TestGrammarTokenTypes.txt").exists()

    }

    def "can configure antlr source set extension in Groovy scripts"() {
        given:

import org.gradle.api.plugins.antlr.internal.DefaultAntlrSourceDirectorySet;
import org.gradle.api.tasks.SourceSet;

import javax.inject.Inject;
import java.io.File;

/**
 * A plugin for adding Antlr support to {@link org.gradle.api.plugins.JavaPlugin java projects}.
 *
 * @see <a href="https://docs.gradle.org/current/userguide/antlr_plugin.html">ANTLR plugin reference</a>
 */

    def test1ParserFile = file("grammar-builder/build/generated-src/antlr/main/Test1Parser.java")

    def test2TokenFile = file("grammar-builder/build/generated-src/antlr/main/Test2.tokens")
    def test2LexerFile = file("grammar-builder/build/generated-src/antlr/main/Test2Lexer.java")
    def test2ParserFile = file("grammar-builder/build/generated-src/antlr/main/Test2Parser.java")

    def setup() {

// tag::use-plugin[]
plugins {
    id 'antlr'
}
// end::use-plugin[]

// tag::declare-dependency[]
repositories {
    mavenCentral()
}

dependencies {
    antlr "org.antlr:antlr:3.5.2" // use ANTLR version 3
    // antlr "org.antlr:antlr4:4.5" // use ANTLR version 4
// end::declare-dependency[]
    testImplementation 'junit:junit:4.13'
// tag::declare-dependency[]
}
// end::declare-dependency[]

// tag::use-plugin[]
plugins {
    antlr
}
// end::use-plugin[]

// tag::declare-dependency[]
repositories {
    mavenCentral()
}

dependencies {
    antlr("org.antlr:antlr:3.5.2")   // use ANTLR version 3
    // antlr("org.antlr:antlr4:4.5") // use ANTLR version 4
// end::declare-dependency[]
    testImplementation("junit:junit:4.13")
// tag::declare-dependency[]
}
// end::declare-dependency[]

            apply plugin: "antlr"

            ${mavenCentralRepository()}
        """
    }

    @Override
    protected extractResultsFrom(TestFile projectDir) {
        [
            "build/generated-src/antlr/main/TestGrammar.java",
            "build/generated-src/antlr/main/TestGrammar.smap",
            "build/generated-src/antlr/main/TestGrammarTokenTypes.java",

 * limitations under the License.
 */

package org.gradle.api.plugins.antlr

import org.gradle.integtests.fixtures.AbstractIntegrationSpec

abstract class AbstractAntlrIntegrationTest extends AbstractIntegrationSpec {

    def setup() {
        // So we can assert on which version of ANTLR is used at runtime
        executer.withArgument("-i")
        buildFile << """
            allprojects {

package org.gradle;

import java.io.StringReader;
import org.junit.Test;
import static org.junit.Assert.*;
import org.antlr.runtime.CommonTokenStream;
import org.antlr.runtime.ANTLRStringStream;
public class GrammarTest {
    @Test
    public void canUseGeneratedGrammar() throws Exception {
        ANTLRStringStream in = new ANTLRStringStream("1+2");
        CalculatorLexer lexer = new CalculatorLexer(in);