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package com.oracle.truffle.js.test.builtins;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;

import java.util.Arrays;
import java.util.List;

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

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

public class StringKeysTest {
    @Test
    public void testNumericKeyOrder() {
        try (Context context = JSTest.newContextBuilder().build()) {
            Value result = context.eval(JavaScriptLanguage.ID, "var s = Object('abc'); s[5] = 'e'; s[4] = 'd'; Object.getOwnPropertyNames(s);");
            assertTrue(result.hasArrayElements());
            assertEquals(6, result.getArraySize());
            assertEquals(Arrays.asList("0", "1", "2", "4", "5", "length"), result.as(List.class));
        }
    }
}