FilterCodecUtilsTest.java

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package net.sf.gridarta.model.filter;

import org.jetbrains.annotations.NotNull;
import org.junit.Assert;
import org.junit.Test;

@SuppressWarnings("JavaDoc")
public class FilterCodecUtilsTest {

    @Test
    public void codec1() {
        check("abc", "abc");
    }

    @Test
    public void codec2() {
        check("\0\1\2\r\n !%\\,\u007F\u0080äöü(),=", "%0000%0001%0002%000D%000A !%0025\\%002C%007F%0080äöü(%0029%002C%003D");
    }

    @Test
    public void decodeString1() {
        final StringBuilder sb = new StringBuilder("abc,def");
        Assert.assertEquals("abc", FilterCodecUtils.decodeString(sb));
        Assert.assertEquals(",def", sb.toString());
    }

    @Test
    public void decodeString2() {
        final StringBuilder sb = new StringBuilder("abc)def");
        Assert.assertEquals("abc", FilterCodecUtils.decodeString(sb));
        Assert.assertEquals(")def", sb.toString());
    }

    @Test
    public void decodeString3() {
        final StringBuilder sb = new StringBuilder("abc=def");
        Assert.assertEquals("abc", FilterCodecUtils.decodeString(sb));
        Assert.assertEquals("=def", sb.toString());
    }

    @Test(expected = StringIndexOutOfBoundsException.class)
    public void decodeString4() {
        final StringBuilder sb = new StringBuilder("%123");
        FilterCodecUtils.decodeString(sb);
        Assert.fail();
    }

    @Test(expected = NumberFormatException.class)
    public void decodeString5() {
        final StringBuilder sb = new StringBuilder("%123g");
        FilterCodecUtils.decodeString(sb);
        Assert.fail();
    }

    private static void check(@NotNull final String string, @NotNull final String expectedString) {
        final StringBuilder sb = new StringBuilder();
        FilterCodecUtils.encodeString(sb, string);
        Assert.assertEquals(expectedString, sb.toString());

        Assert.assertEquals(string, FilterCodecUtils.decodeString(sb));
        Assert.assertEquals(0, sb.length());
    }

}