package helper;

import com.yanzuoguang.util.helper.StringHelper;
import org.junit.Assert;
import org.junit.Test;

import java.math.BigDecimal;

public class TestStringHelper {
    @Test
    public void testFirstRun() {
        int firstRun = StringHelper.toInt(StringHelper.getFirstRun(0, 0, 1, 2));
        Assert.assertEquals(firstRun, 1);
        Assert.assertNotEquals(firstRun, 2);

        firstRun = StringHelper.toInt(StringHelper.getFirstRun(0, 0, null, 0, 2));
        Assert.assertEquals(firstRun, 2);

        String yzg = "颜佐光";
        String yzg1 = "颜佐光1";
        String firstEmpty = StringHelper.getFirstRun(null, StringHelper.EMPTY,
                null, StringHelper.EMPTY, yzg, yzg1);
        Assert.assertEquals(firstEmpty, yzg);
        Assert.assertNotEquals(yzg, yzg1);
    }

    @Test
    public void test() {
        Assert.assertEquals(StringHelper.left("100500103", 3), "100");
        Assert.assertEquals(StringHelper.left("10", 3), "10");
        Assert.assertEquals(StringHelper.right("100500103", 3), "103");
        Assert.assertEquals(StringHelper.right("03", 3), "03");
    }


    @Test
    public void testTrim() {
        Assert.assertEquals(StringHelper.trimLeft("100500103", "1", "0"), "500103");
        Assert.assertEquals(StringHelper.trimRight("100500103", "3", "0"), "1005001");
        Assert.assertEquals(StringHelper.trim("1005050103", "1", "0", "3"), "505");
    }

    @Test
    public void testDoubleToLong() {
        long a = StringHelper.toLong("30000.0");
        Assert.assertEquals(a, 30000);

        long b = StringHelper.toLong(StringHelper.toDecimal("30000.0"));
        Assert.assertEquals(b, 30000);
    }

    @Test
    public void testDoubleToInt() {
        int a = StringHelper.toInt("30000.0");
        Assert.assertEquals(a, 30000);

        int b = StringHelper.toInt(StringHelper.toDecimal("30000.0"));
        Assert.assertEquals(b, 30000);
    }

    @Test
    public void testDoubleToShort() {
        short a = StringHelper.toShort("30000.0");
        Assert.assertEquals(a, 30000);

        short b = StringHelper.toShort(StringHelper.toDecimal("30000.0"));
        Assert.assertEquals(b, 30000);
    }

    @Test
    public void testToString() {
        Assert.assertEquals(StringHelper.toString(0.0000000), "0");
        Assert.assertEquals(StringHelper.toString(50.0000001), "50.0000001");
        Assert.assertEquals(StringHelper.toString(0.02), "0.02");
        Assert.assertEquals(StringHelper.toString(0.0000001), "0.0000001");
        Assert.assertEquals(StringHelper.toString(50.00050000), "50.0005");
        Assert.assertEquals(StringHelper.toString(0.00050000), "0.0005");
        Assert.assertEquals(StringHelper.toString(0.1000000), "0.1");
        Assert.assertEquals(StringHelper.toString(5.1000000), "5.1");
        Assert.assertEquals(StringHelper.toString(100.1000000), "100.1");

        Assert.assertEquals(StringHelper.toString(new BigDecimal("0.0000000")), "0");
        Assert.assertEquals(StringHelper.toString(new BigDecimal("0.0000001")), "0.0000001");
        Assert.assertEquals(StringHelper.toString(new BigDecimal("0.00050000")), "0.0005");
        Assert.assertEquals(StringHelper.toString(new BigDecimal("0.1000000")), "0.1");
        Assert.assertEquals(StringHelper.toString(new BigDecimal("100.1000000")), "100.1");
    }

}