@Test
public void shouldParseFunctionCallWithOneQuotedStringLiteralParameter() {

    FunctionCall func = parser.parseFunctionCall(tokenize("a('foo')"));
    assertThat(func, is(notNullValue()));
    assertThat(func.getName(), is(nameTest("a")));
    assertThat(func.getParameters().size(), is(1));
    assertThat(func.getParameters().get(0), is((Component)literal("foo")));
}