@Test
public void basicCase() {
CaseFunction<Integer, Integer> function = new CaseFunction<>();
function.addCase(ignored -> true, Functions.getIntegerPassThru());
Integer fortyTwo = 42;
Assert.assertEquals(fortyTwo, function.valueOf(fortyTwo));
}
@Test
public void defaultValue() {
CaseFunction<Foo, String> function =
Functions.caseDefault(
Functions.getFixedValue("Yow!"),
Predicates.attributeGreaterThan(Foo.TO_VALUE, 5.0D),
Functions.getFixedValue("Patience, grasshopper"));
Assert.assertEquals("Yow!", function.valueOf(new Foo("", 1.0D)));
function.setDefault(Functions.getFixedValue("Patience, young grasshopper"));
Assert.assertEquals("Patience, grasshopper", function.valueOf(new Foo("", 6.0D)));
Assert.assertEquals("Patience, young grasshopper", function.valueOf(new Foo("", 1.0D)));
Verify.assertContains("CaseFunction", function.toString());
}
@Test
public void noopCase() {
CaseFunction<Integer, Integer> function = new CaseFunction<>();
Assert.assertNull(function.valueOf(42));
}
