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Original file line number Diff line number Diff line change
Expand Up @@ -102,6 +102,33 @@ public StorageClass apply(String constant) {
public static final StorageClass DURABLE_REDUCED_AVAILABILITY =
type.createAndRegister("DURABLE_REDUCED_AVAILABILITY");

/**
* Standard Enterprise storage class.
*
* @see <a
* href="https://cloud.google.com/storage/docs/storage-classes">https://cloud.google.com/storage/docs/storage-classes</a>
*/
public static final StorageClass STANDARD_ENTERPRISE =
type.createAndRegister("STANDARD_ENTERPRISE");

/**
* Local Region Standard Enterprise storage class.
*
* @see <a
* href="https://cloud.google.com/storage/docs/storage-classes">https://cloud.google.com/storage/docs/storage-classes</a>
*/
public static final StorageClass LR_STANDARD_ENTERPRISE =
type.createAndRegister("LR_STANDARD_ENTERPRISE");

/**
* Standard Flexbackup Enterprise storage class.
*
* @see <a
* href="https://cloud.google.com/storage/docs/storage-classes">https://cloud.google.com/storage/docs/storage-classes</a>
*/
public static final StorageClass STANDARD_FLEXBACKUP_ENTERPRISE =
type.createAndRegister("STANDARD_FLEXBACKUP_ENTERPRISE");

/**
* Get the StorageClass for the given String constant, and throw an exception if the constant is
* not recognized.
Expand Down
Original file line number Diff line number Diff line change
@@ -0,0 +1,104 @@
/*
* Copyright 2026 Google LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.cloud.storage;
import static com.google.common.truth.Truth.assertThat;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertThrows;
import java.util.Arrays;
import org.junit.Test;
public class StorageClassTest {
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medium

According to the Google Java Style Guide (Section 3.3.3), import statements must be grouped and separated by a single blank line (static imports first, then non-static imports). Additionally, there should be a blank line between the package declaration and the imports, and between the imports and the class declaration.

package com.google.cloud.storage;

import static com.google.common.truth.Truth.assertThat;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertThrows;

import java.util.Arrays;
import org.junit.Test;

public class StorageClassTest {
References
  1. Google Java Style Guide Section 3.3.3: Imports are grouped into static and non-static blocks, separated by a single blank line. There should also be blank lines separating the package declaration, imports, and class declaration. (link)

@Test
public void testEnumInstances() {
assertThat(StorageClass.STANDARD.toString()).isEqualTo("STANDARD");
assertThat(StorageClass.NEARLINE.toString()).isEqualTo("NEARLINE");
assertThat(StorageClass.COLDLINE.toString()).isEqualTo("COLDLINE");
assertThat(StorageClass.ARCHIVE.toString()).isEqualTo("ARCHIVE");
assertThat(StorageClass.REGIONAL.toString()).isEqualTo("REGIONAL");
assertThat(StorageClass.MULTI_REGIONAL.toString()).isEqualTo("MULTI_REGIONAL");
assertThat(StorageClass.DURABLE_REDUCED_AVAILABILITY.toString())
.isEqualTo("DURABLE_REDUCED_AVAILABILITY");
assertThat(StorageClass.STANDARD_ENTERPRISE.toString()).isEqualTo("STANDARD_ENTERPRISE");
assertThat(StorageClass.LR_STANDARD_ENTERPRISE.toString()).isEqualTo("LR_STANDARD_ENTERPRISE");
assertThat(StorageClass.STANDARD_FLEXBACKUP_ENTERPRISE.toString())
.isEqualTo("STANDARD_FLEXBACKUP_ENTERPRISE");
}
@Test
public void testValueOf() {
assertSame(StorageClass.STANDARD, StorageClass.valueOf("STANDARD"));
assertSame(StorageClass.NEARLINE, StorageClass.valueOf("NEARLINE"));
assertSame(StorageClass.COLDLINE, StorageClass.valueOf("COLDLINE"));
assertSame(StorageClass.ARCHIVE, StorageClass.valueOf("ARCHIVE"));
assertSame(StorageClass.REGIONAL, StorageClass.valueOf("REGIONAL"));
assertSame(StorageClass.MULTI_REGIONAL, StorageClass.valueOf("MULTI_REGIONAL"));
assertSame(
StorageClass.DURABLE_REDUCED_AVAILABILITY,
StorageClass.valueOf("DURABLE_REDUCED_AVAILABILITY"));
assertSame(StorageClass.STANDARD_ENTERPRISE, StorageClass.valueOf("STANDARD_ENTERPRISE"));
assertSame(StorageClass.LR_STANDARD_ENTERPRISE, StorageClass.valueOf("LR_STANDARD_ENTERPRISE"));
assertSame(
StorageClass.STANDARD_FLEXBACKUP_ENTERPRISE,
StorageClass.valueOf("STANDARD_FLEXBACKUP_ENTERPRISE"));
assertEquals(
"NonExistentStorageClass", StorageClass.valueOf("NonExistentStorageClass").toString());
}
@Test
public void testValueOfStrict() {
assertSame(StorageClass.STANDARD, StorageClass.valueOfStrict("STANDARD"));
assertSame(StorageClass.NEARLINE, StorageClass.valueOfStrict("NEARLINE"));
assertSame(StorageClass.COLDLINE, StorageClass.valueOfStrict("COLDLINE"));
assertSame(StorageClass.ARCHIVE, StorageClass.valueOfStrict("ARCHIVE"));
assertSame(StorageClass.REGIONAL, StorageClass.valueOfStrict("REGIONAL"));
assertSame(StorageClass.MULTI_REGIONAL, StorageClass.valueOfStrict("MULTI_REGIONAL"));
assertSame(
StorageClass.DURABLE_REDUCED_AVAILABILITY,
StorageClass.valueOfStrict("DURABLE_REDUCED_AVAILABILITY"));
assertSame(
StorageClass.STANDARD_ENTERPRISE, StorageClass.valueOfStrict("STANDARD_ENTERPRISE"));
assertSame(
StorageClass.LR_STANDARD_ENTERPRISE, StorageClass.valueOfStrict("LR_STANDARD_ENTERPRISE"));
assertSame(
StorageClass.STANDARD_FLEXBACKUP_ENTERPRISE,
StorageClass.valueOfStrict("STANDARD_FLEXBACKUP_ENTERPRISE"));
}
@Test
public void testValueOfStrict_invalid() {
IllegalArgumentException ex =
assertThrows(
IllegalArgumentException.class,
() -> StorageClass.valueOfStrict("NonExistentStorageClass"));
assertNotNull(ex.getMessage());
}
@Test
public void testValues() {
assertThat(
Arrays.asList(StorageClass.values())
.containsAll(
Arrays.asList(
StorageClass.STANDARD,
StorageClass.NEARLINE,
StorageClass.COLDLINE,
StorageClass.ARCHIVE,
StorageClass.REGIONAL,
StorageClass.MULTI_REGIONAL,
StorageClass.DURABLE_REDUCED_AVAILABILITY,
StorageClass.STANDARD_ENTERPRISE,
StorageClass.LR_STANDARD_ENTERPRISE,
StorageClass.STANDARD_FLEXBACKUP_ENTERPRISE)))
.isTrue();
}
}
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