}

  /**
   * For Last-Modified and Date headers, we should echo the date back in the exact format we were
   * served.
   */
  @Test
  fun retainServedDateFormat() {
    // Serve a response with a non-standard date format that OkHttp supports.
    val lastModifiedDate = Date(System.currentTimeMillis() + TimeUnit.HOURS.toMillis(-1))
    val servedDate = Date(System.currentTimeMillis() + TimeUnit.HOURS.toMillis(-2))

         * the new one. The result is a ConcurrentModificationException or other bad behavior.
         *
         * (If we decide that we really, really hate allocating two Iterators per cycle instead of
         * one, we can optimistically store the new Iterator and then be willing to throw it out if
         * the user calls remove().)
         */

* **Kodlaması Hızlı**: Geliştirme hızını yaklaşık %200 ile %300 aralığında arttırır. *
* **Daha az hata**: İnsan (geliştirici) kaynaklı hataları yaklaşık %40 azaltır. *
* **Sezgisel**: Muhteşem bir editör desteği. Her yerde <abbr title="Otomatik Tamamlama: auto-complete, autocompletion, IntelliSense">otomatik tamamlama</abbr>. Hata ayıklama ile daha az zaman harcayacaksınız.

     *
     * @param value the date string to parse
     * @return parsed Date object, or null if parsing fails
     */
    public static Date parseDate(final String value) {
        return parseDate(value, Constants.DATE_OPTIONAL_TIME);
    }

    /**
     * Parses a date string using the specified format.
     *
     * @param value the date string to parse

Bevor ich also überhaupt angefangen habe, **FastAPI** zu schreiben, habe ich mehrere Monate damit verbracht, die Spezifikationen für OpenAPI, JSON Schema, OAuth2, usw. zu studieren und deren Beziehungen, Überschneidungen und Unterschiede zu verstehen.

## Design { #design }

type preSignValues struct {
	signValues
	Date    time.Time
	Expires time.Duration
}

// Parses signature version '4' query string of the following form.
//
//	querystring = X-Amz-Algorithm=algorithm
//	querystring += &X-Amz-Credential= urlencode(accessKey + '/' + credential_scope)
//	querystring += &X-Amz-Date=date
//	querystring += &X-Amz-Expires=timeout interval

			}
			// validating presign date field.
			if testCase.expectedPreSignValues.Date.UTC().Format(iso8601Format) != parsedPreSign.Date.UTC().Format(iso8601Format) {
				t.Errorf("Test %d: Expected date to be %v, but got %v", i+1, testCase.expectedPreSignValues.Date.UTC().Format(iso8601Format), parsedPreSign.Date.UTC().Format(iso8601Format))
			}
		}
	}

    }

    /**
     * Extracts a Date object from the source map using the specified field name.
     * Handles various date formats including Date objects, timestamp numbers, and ISO date strings.
     *
     * @param sourceMap The source map containing the date field.
     * @param name The name of the date field.
     * @return The Date object, or null if the field doesn't contain a valid date.
     */

			wantErr: "Invalid according to Policy: Policy Condition failed: [eq, $bucket, testbucket]. FormValues have multiple values: [testbucket, anotherbucket]",
		},
		{
			name: "XAmzSignature does not have to appear in policy",
			fv:   defaultFormVals.Clone().Set(xhttp.AmzSignature, "my-signature"),
		},
		{
			name: "XIgnoreFoo does not have to appear in policy",
			fv:   defaultFormVals.Clone().Set("X-Ignore-Foo", "my-foo-value"),
		},

		canonicalHeaders += "\n"
	}

	date := expires // Date is set to expires date for presign operations.
	if date == "" {
		// If expires date is empty then request header Date is used.
		date = headers.Get(xhttp.Date)
	}

	// From the Amazon docs:
	//
	// StringToSign = HTTP-Verb + "\n" +
	// 	 Content-Md5 + "\n" +
	//	 Content-Type + "\n" +
	//	 Date/Expires + "\n" +
	//	 CanonicalizedProtocolHeaders +