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 * (a) the Software, and
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 * (b) any piece of software and/or hardware listed in the lrgrwrks.txt file if
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package com.oracle.truffle.js.test.builtins;

import org.graalvm.polyglot.Context;
import org.graalvm.polyglot.Source;
import org.graalvm.polyglot.Value;
import org.junit.Assert;
import org.junit.Test;

import com.oracle.truffle.js.lang.JavaScriptLanguage;
import com.oracle.truffle.js.runtime.JSContextOptions;
import com.oracle.truffle.js.test.JSTest;

String.prototype.split, String.prototype.match, String.prototype.search, and
String.prototype.replace show special behavior in ES5.
/**
 * String.prototype.split, String.prototype.match, String.prototype.search, and
 * String.prototype.replace show special behavior in ES5.
 *
 */
public class RegExpES5 {

    private static void test(String sourceText) {
        Assert.assertTrue(testIntl(sourceText));
    }

    private static boolean testIntl(String sourceText) {
        try (Context context = JSTest.newContextBuilder().option(JSContextOptions.ECMASCRIPT_VERSION_NAME, "5").build()) {
            Value result = context.eval(Source.newBuilder(JavaScriptLanguage.ID, sourceText, "regexp-es5-test").buildLiteral());
            return result.asBoolean();
        }
    }

    @Test
    public void testSplitES5() {
        test("'ab_cd_ef'.split(/_/).length === 3");
        test("'abcdef'.split(/_/).length === 1");

        test("'ab_cd_ef'.split('_').length === 3");
        test("'ab_cd_ef'.split().length === 1");
    }

    @Test
    public void testMatchES5() {
        test("'ab_cd_ef'.match(/_/).length === 1");
        test("'ab_cd_ef'.match(/_/g).length === 2");
        test("'abcdef'.match(/_/) === null");

        test("'ab_cd_ef'.match('_').length === 1");
        test("'ab_cd_ef'.match().length === 1");
        test("'abcdef'.match('X') === null");
    }

    @Test
    public void testSearchES5() {
        test("'ab_cd_ef'.search(/_/) === 2");
        test("'abcdef'.search(/_/) === -1");
        test("'abcdef'.search() === 0");
    }

    @Test
    public void testReplaceES5() {
        test("'ab_cd_ef'.replace(/_/, 'X') === 'abXcd_ef'");
        test("'ab_cd_ef'.replace(/_/g, 'X') === 'abXcdXef'");
        test("'abcdef'.replace(/_/) === 'abcdef'");

        test("'ab_cd_ef'.replace('_', 'X') === 'abXcd_ef'");
        test("'ab_cd_ef'.replace(undefined, 'X') === 'ab_cd_ef'");
        test("'abcdef'.replace('X', 'X') === 'abcdef'");

        // with substitution
        test("'ab_cd_ef'.replace(/_/, 'X$$') === 'abX$cd_ef'");
        test("'ab_cd_ef'.replace(/_/, 'X$&') === 'abX_cd_ef'");
        test("'ab_cd_ef'.replace(/_/, 'X$\\'') === 'abXcd_efcd_ef'");
        test("'ab_cd_ef'.replace(/(_)/, 'X$1') === 'abX_cd_ef'");
    }

}