// The following test vectors are specified in RFC 4648 itself
    testEncodingWithSeparators(base64(), "", "");
    testEncodingWithSeparators(base64(), "f", "Zg==");
    testEncodingWithSeparators(base64(), "fo", "Zm8=");
    testEncodingWithSeparators(base64(), "foo", "Zm9v");
    testEncodingWithSeparators(base64(), "foob", "Zm9vYg==");
    testEncodingWithSeparators(base64(), "fooba", "Zm9vYmE=");

    assertThat(Ascii.truncate("foobar", 5, "...")).isEqualTo("fo...");
    assertThat(Ascii.truncate("foobar", 6, "...")).isEqualTo("foobar");
    assertThat(Ascii.truncate("foobar", 3, "...")).isEqualTo("...");
    assertThat(Ascii.truncate("foobar", 10, "…")).isEqualTo("foobar");
    assertThat(Ascii.truncate("foobar", 4, "…")).isEqualTo("foo…");
    assertThat(Ascii.truncate("foobar", 4, "--")).isEqualTo("fo--");

    assertThat(Ascii.truncate("foobar", 5, "...")).isEqualTo("fo...");
    assertThat(Ascii.truncate("foobar", 6, "...")).isEqualTo("foobar");
    assertThat(Ascii.truncate("foobar", 3, "...")).isEqualTo("...");
    assertThat(Ascii.truncate("foobar", 10, "…")).isEqualTo("foobar");
    assertThat(Ascii.truncate("foobar", 4, "…")).isEqualTo("foo…");
    assertThat(Ascii.truncate("foobar", 4, "--")).isEqualTo("fo--");

        map.put("フョ", new String[] { "fyo" });

        map.put("ファ", new String[] { "fa" });
        map.put("フィ", new String[] { "fi" });
        map.put("フェ", new String[] { "fe" });
        map.put("フォ", new String[] { "fo" });

        map.put("ミャ", new String[] { "mya" });
        map.put("ミュ", new String[] { "myu" });
        map.put("ミョ", new String[] { "myo" });

        map.put("リャ", new String[] { "rya" });

    Predicate<CharSequence> isFoobar = Predicates.containsPattern("^Fo.*o.*bar$");
    assertTrue(isFoobar.apply("Foxyzoabcbar"));
    assertFalse(isFoobar.apply("Foobarx"));
  }

  @GwtIncompatible // Predicates.containsPattern
  public void testContains_apply() {
    Predicate<CharSequence> isFoobar = Predicates.contains(Pattern.compile("^Fo.*o.*bar$"));

    assertTrue(isFoobar.apply("Foxyzoabcbar"));

   *
   * <p>Examples:
   *
   * {@snippet :
   * Ascii.truncate("foobar", 7, "..."); // returns "foobar"
   * Ascii.truncate("foobar", 5, "..."); // returns "fo..."
   * }
   *
   * <p><b>Note:</b> This method <i>may</i> work with certain non-ASCII text but is not safe for use
   * with arbitrary Unicode text. It is mostly intended for use with text that is known to be safe

   *
   * <p>Examples:
   *
   * {@snippet :
   * Ascii.truncate("foobar", 7, "..."); // returns "foobar"
   * Ascii.truncate("foobar", 5, "..."); // returns "fo..."
   * }
   *
   * <p><b>Note:</b> This method <i>may</i> work with certain non-ASCII text but is not safe for use
   * with arbitrary Unicode text. It is mostly intended for use with text that is known to be safe

	}
}

var peekTests = []struct {
	buffer   string
	skip     int
	n        int
	expected string
	err      error
}{
	{"", 0, 0, "", nil},
	{"aaa", 0, 3, "aaa", nil},
	{"foobar", 0, 2, "fo", nil},
	{"a", 0, 2, "a", io.EOF},
	{"helloworld", 4, 3, "owo", nil},
	{"helloworld", 5, 5, "world", nil},
	{"helloworld", 5, 6, "world", io.EOF},
	{"helloworld", 10, 1, "", io.EOF},
}

					}
					a[diffpos] = 0
				}
			}
		}
	}
}

var indexTests = []BinOpTest{
	{"", "", 0},
	{"", "a", -1},
	{"", "foo", -1},
	{"fo", "foo", -1},
	{"foo", "baz", -1},
	{"foo", "foo", 0},
	{"oofofoofooo", "f", 2},
	{"oofofoofooo", "foo", 4},
	{"barfoobarfoo", "foo", 3},
	{"foo", "", 0},
	{"foo", "o", 1},
	{"abcABCabc", "A", 3},

    response = client.get("/path/param-minlength/fo")
    assert response.status_code == 422
    assert response.json() == {
        "detail": [
            {
                "type": "string_too_short",
                "loc": ["path", "item_id"],
                "msg": "String should have at least 3 characters",
                "input": "fo",
                "ctx": {"min_length": 3},
            }
        ]