Method m = Baz.class.getMethod("rawMap", Map.class);
        assertThat(MethodUtil.getValueTypeOfMapFromReturnType(m), is(nullValue()));

        m = Baz.class.getMethod("genericMap", Map.class);
        assertThat(MethodUtil.getValueTypeOfMapFromReturnType(m), is(sameClass(Class.class)));
    }

    /**
     *
     */
    public interface Baz {

        /**
         * @param param

    sink.writeLines(ImmutableList.of("foo", "bar", "baz").stream());
    String separator = System.getProperty("line.separator");
    assertEquals("foo" + separator + "bar" + separator + "baz" + separator, sink.getString());
  }

  public void testWriteLines_stream_separator() throws IOException {
    sink.writeLines(ImmutableList.of("foo", "bar", "baz").stream(), "!");
    assertEquals("foo!bar!baz!", sink.getString());
  }

      ImmutableSet.of(
          Tables.immutableCell('a', 1, "foo"),
          Tables.immutableCell('b', 1, "bar"),
          Tables.immutableCell('a', 2, "baz"));

  private static final ImmutableSet<Character> ROW_SPACE = ImmutableSet.of('a', 'b');

  private static final ImmutableSet<Integer> COLUMN_SPACE = ImmutableSet.of(1, 2);

      ImmutableSet.of(
          Tables.immutableCell('a', 1, "foo"),
          Tables.immutableCell('b', 1, "bar"),
          Tables.immutableCell('a', 2, "baz"));

  private static final ImmutableSet<Character> ROW_SPACE = ImmutableSet.of('a', 'b');

  private static final ImmutableSet<Integer> COLUMN_SPACE = ImmutableSet.of(1, 2);

        assertThat(ReverseTreeRepositoryListener.lookupCollectStepData(doesNotHaveIt), nullValue());

        final CollectStepData data = mock(CollectStepData.class);

        RequestTrace haveItFirst = RequestTrace.newChild(null, data)
                .newChild("foo")
                .newChild("bar")
                .newChild("baz");

        assertThat(FieldUtil.getElementTypeOfCollection(Baz.class.getField("collectionOfRawtype")), is(nullValue()));
    }

    /**
     * @throws Exception
     */
    public void testGetElementTypeOfCollection() throws Exception {
        assertEquals(String.class, FieldUtil.getElementTypeOfCollection(Baz.class.getField("collectionOfString")));
    }

    /**
     * @throws Exception

		{`C:\long\foo.txt`, `\\?\C:\long\foo.txt`},
		{`C:/long/foo.txt`, `\\?\C:\long\foo.txt`},
		{`C:\long\foo\\bar\.\baz\\`, `\\?\C:\long\foo\bar\baz`},
		{`\\unc\path`, `\\unc\path`},
		{`long.txt`, `long.txt`},
		{`C:long.txt`, `C:long.txt`},
		{`c:\long\..\bar\baz`, `c:\long\..\bar\baz`},
		{`\\?\c:\long\foo.txt`, `\\?\c:\long\foo.txt`},
		{`\\?\c:\long/foo.txt`, `\\?\c:\long/foo.txt`},
	} {

@app.get("/items/invalidlist", response_model=List[Item])
def get_invalidlist():
    return [
        {"name": "foo"},
        {"name": "bar", "price": "bar"},
        {"name": "baz", "price": "baz"},
    ]


client = TestClient(app)


def test_invalid():
    with pytest.raises(ResponseValidationError):
        client.get("/items/invalid")


def test_double_invalid():

def get_validlist():
    return [
        {"name": "foo", "date": datetime(2021, 7, 26)},
        {"name": "bar", "date": datetime(2021, 7, 26), "price": 1.0},
        {
            "name": "baz",
            "date": datetime(2021, 7, 26),
            "price": 2.0,
            "owner_ids": [1, 2, 3],
        },
    ]


@app.get("/items/objectlist", response_model=List[Item])
def get_objectlist():

                    {"item_name": "Bar"},
                    {"item_name": "Baz"},
                ]
            },
        ),
        (
            "/items?q=foo",
            200,
            {
                "items": [
                    {"item_name": "Foo"},
                    {"item_name": "Bar"},
                    {"item_name": "Baz"},
                ],
                "q": "foo",
            },
        ),