@Test
public void testValid() {
CssDimension dim23 = CssDimension.valueOf("23");
assertEquals(23, dim23.value);
CssDimension dim23px = CssDimension.valueOf("23px");
assertEquals(23, dim23px.value);
CssDimension negative = CssDimension.valueOf("-1");
assertEquals(-1, negative.value);
}
@Test
public void testDefaultString() {
assertEquals("0px", CssDimension.ZERO.toDefaultString());
assertEquals("23px", CssDimension.valueOf("23").toDefaultString());
}
@Test
public void testZero() {
assertSame(CssDimension.ZERO, CssDimension.valueOf("0"));
assertSame(CssDimension.ZERO, CssDimension.valueOf("0px"));
assertEquals(0, CssDimension.ZERO.value);
}
@Test(expected = IllegalArgumentException.class)
public void testValueOf_unsupportedUnit() {
CssDimension.valueOf("23em");
}
@Test(expected = IllegalArgumentException.class)
public void testValueOf_startWithSpace() {
CssDimension.valueOf(" 23px");
}
@Test(expected = IllegalArgumentException.class)
public void testValueOf_emptyString() {
CssDimension.valueOf("");
}
@Test(expected = NullPointerException.class)
public void testValueOf_nullArgument() {
CssDimension.valueOf(null);
}