@Test
public void WriteStringTest() throws IOException {

    new SimpleTextWriter(tmpFile).write("Hello World!");
    Assert.assertEquals(new SimpleTextReader(tmpFile).asString(), "Hello World!");
    new SimpleTextWriter(tmpFile).write(null);
    Assert.assertEquals(new SimpleTextReader(tmpFile).asString(), "");
    new SimpleTextWriter(tmpFile).write("");
    Assert.assertEquals(new SimpleTextReader(tmpFile).asString(), "");
}