assertContentType("application/vnd.openxmlformats-officedocument.presentationml.presentation", "extractor/msoffice/test.pptx",
                "hoge.pptx");

        assertContentType("image/jpeg", null, "hoge.jpg");
        assertContentType("image/gif", null, "hoge.gif");

        assertContentType("application/pdf", "extractor/test.pdf", "hoge.pdf");

}

// Test Post Policy parsing and checking conditions
func TestPostPolicyForm(t *testing.T) {
	pp := minio.NewPostPolicy()
	pp.SetBucket("testbucket")
	pp.SetContentType("image/jpeg")
	pp.SetUserMetadata("uuid", "14365123651274")
	pp.SetKeyStartsWith("user/user1/filename")
	pp.SetContentLengthRange(100, 999999) // not testable from this layer, condition is checked in the API handler.

			"${mimetype}"]
		</property>
		<property name="generatorList">
			["${path}/generate-thumbnail"]
		</property>
		<postConstruct name="addCondition">
			<arg>"mimetype"</arg>
			<arg>"image/jpeg"
			</arg>
		</postConstruct>
		<postConstruct name="addCondition">
			<arg>"mimetype"</arg>
			<arg>"image/tiff"
			</arg>
		</postConstruct>
		<postConstruct name="addCondition">

	}

	resultCases := []ObjectInfo{
		// ObjectInfo -1.
		// ObjectName set to a existing object in the test case (Test case 14).
		{Bucket: "test-getobjectinfo", Name: "Asia/asiapics.jpg", ContentType: "image/jpeg", IsDir: false},
		{Bucket: "test-getobjectinfo", Name: "Asia/empty-dir/", ContentType: "application/octet-stream", IsDir: true},
	}
	testCases := []struct {
		bucketName string
		objectName string

`UploadFile` has the following attributes:

* `filename`: A `str` with the original file name that was uploaded (e.g. `myimage.jpg`).
* `content_type`: A `str` with the content type (MIME type / media type) (e.g. `image/jpeg`).

`UploadFile` tem os seguintes atributos:

* `filename`: Uma `str` com o nome do arquivo original que foi enviado (por exemplo, `myimage.jpg`).
* `content_type`: Uma `str` com o tipo de conteúdo (MIME type / media type) (por exemplo, `image/jpeg`).

`UploadFile` имеет следующие атрибуты:

* `filename`: Строка `str` с исходным именем файла, который был загружен (например, `myimage.jpg`).
* `content_type`: Строка `str` с типом содержимого (MIME type / media type) (например, `image/jpeg`).

	bucketNames := []string{"minio-bucket", "minio-2-bucket", "minio-3-bucket"}
	objectNames := []string{"minio-object-1.txt", "minio-object.txt", "neymar-1.jpeg", "neymar.jpeg", "parrot-1.png", "parrot.png"}
	uploadIDs := []string{}
	opts := ObjectOptions{}
	// bucketnames[0].
	// objectNames[0].
	// uploadIds [0].
	// Create bucket before initiating NewMultipartUpload.

        final String mimeType = responseData.getMimeType();
        if (mimeType == null) {
            return true;
        }

        return switch (mimeType) {
        case "image/png", "image/gif", "image/jpeg", "image/bmp" -> true;
        default -> false;
        };
    }

    /**
     * Processes and saves an image from the input stream to the output file as a thumbnail.
     *

### `UploadFile`

`UploadFile` має такі атрибути:

* `filename`: Рядок `str` з оригінальною назвою файлу, який був завантажений (наприклад, `myimage.jpg`).
* `content_type`: Рядок `str` з MIME-типом (наприклад, `image/jpeg`).