expectedRespStatus: http.StatusBadRequest,
		},
		// Test case - 8.
		// non-existent bucket is used.
		// writing BucketPolicy should fail.
		// should result in 404 StatusNotFound
		{
			bucketName:         "non-existent-bucket",
			bucketPolicyReader: bytes.NewReader([]byte(fmt.Sprintf(bucketPolicyTemplate, "non-existent-bucket", "non-existent-bucket"))),

		}
	}
}

func TestXLStorageIsDirEmpty(t *testing.T) {
	tmp := t.TempDir()

	// Should give false on non-existent directory.
	dir1 := slashpath.Join(tmp, "non-existent-directory")
	if isDirEmpty(dir1, true) {
		t.Error("expected false for non-existent directory, got true")
	}

	// Should give false for not-a-directory.
	dir2 := slashpath.Join(tmp, "file")

import org.jetbrains.kotlin.fir.symbols.lazyResolveToPhase
import org.jetbrains.kotlin.fir.types.typeApproximator
import org.jetbrains.kotlin.load.java.JvmAbi
import org.jetbrains.kotlin.load.kotlin.NON_EXISTENT_CLASS_NAME
import org.jetbrains.kotlin.load.kotlin.header.KotlinClassHeader
import org.jetbrains.kotlin.metadata.jvm.deserialization.JvmProtoBufUtil
import org.jetbrains.kotlin.metadata.jvm.serialization.JvmStringTable

		switch {
		case isSysErrNotDir(err) && !osIsNotExist(err):
			// Windows can have both isSysErrNotDir(err) and osIsNotExist(err) returning
			// true if the source file path contains an non-existent directory. In that case,
			// we want to return errFileNotFound instead, which will honored in subsequent
			// switch cases
			return errFileAccessDenied
		case isSysErrPathNotFound(err):

	fileModified, errChan := make(chan struct{}), make(chan error)
	go watchFiles(watcher, fileModified, errChan)

	for _, path := range paths {
		if !file.Exists(path) {
			log.Infof("file watcher skipping watch on non-existent path: %v", path)
			continue
		}
		if err := watcher.Add(path); err != nil {
			if closeErr := watcher.Close(); closeErr != nil {
				err = fmt.Errorf("%s: %w", closeErr.Error(), err)
			}
			return nil, err
		}

		},

		// Test case - 8.
		// Test case with non-existent source file.
		// Case for the purpose of failing `api.ObjectAPI.GetObjectInfo`.
		// Expecting the response status code to http.StatusNotFound (404).
		{
			bucketName:       bucketName,
			uploadID:         uploadID,
			copySourceHeader: url.QueryEscape(SlashSeparator + bucketName + SlashSeparator + "non-existent-object"),
			accessKey:        credentials.AccessKey,

			t.Errorf("got unexpected mountInfo[2]: %#v", mounts[2])
		}
	}
	// Failure case mounts path doesn't exist, if not fail.
	{
		if _, err = readProcMounts(filepath.Join(dir, "non-existent")); err != nil && !os.IsNotExist(err) {
			t.Fatal(err)
		}
	}
}

// Tests read proc mounts reader.
func TestReadProcMountFrom(t *testing.T) {
	successCase := `/dev/0 /path/to/0 type0 flags 0 0

  // or mis-configured policy definitions or bindings.
  //
  // A policy is invalid if spec.paramKind refers to a non-existent Kind.
  // A binding is invalid if spec.paramRef.name refers to a non-existent resource.
  //
  // failurePolicy does not define how validations that evaluate to false are handled.
  //

						if dr == nil {
							fmt.Fprintf(writer,
								"WARNING: Proxy is stale; it references to non-existent destination rule %s.%s\n",
								drName, drNamespace)
						}
						recordDestinationRules[newResourceID(drNamespace, drName)] = dr.DeepCopy()
					}
				}
				if dr != nil {

```JSON
{
  "item": "The Foo Wrestlers"
}
```

But if the client requests `http://example.com/items/bar` (a non-existent `item_id` `"bar"`), that client will receive an HTTP status code of 404 (the "not found" error), and a JSON response of:

```JSON
{
  "detail": "Item not found"
}
```

!!! tip