IllegalArgumentException expected =
        assertThrows(IllegalArgumentException.class, () -> checkArgument(false, new Message()));
    verifySimpleMessage(expected);
  }

  public void testCheckArgument_nullMessage_failure() {
    IllegalArgumentException expected =
        assertThrows(IllegalArgumentException.class, () -> checkArgument(false, null));
    assertThat(expected).hasMessageThat().isEqualTo("null");
  }

          }
        };
    Thread runner = new Thread(task);
    runner.start();
    isInterruptibleRegistered.await();
    RuntimeException expected = assertThrows(RuntimeException.class, () -> task.interruptTask());
    assertThat(expected)
        .hasMessageThat()
        .isEqualTo("I bet you didn't think Thread.interrupt could throw");
    /*

	// Enabling this will make cache sharing more likely and cause less IO,
	// but may cause additional latency to some calls.
	metacacheSharePrefix = false
)

//go:generate msgp -file $GOFILE -unexported

// metacache contains a tracked cache entry.
type metacache struct {
	// do not re-arrange the struct this struct has been ordered to use less
	// space - if you do so please run https://github.com/orijtech/structslop

  // identifiable substrings of expected error messages, from Strings that we've defined
  // here to provide error messages.
  // TODO(user): Some Strings used in the subclasses can be added as static Strings
  // here too.
  static final String ERROR_MODIFIABLE_SET = "Set returned is unexpectedly modifiable";
  static final String ERROR_SELF_LOOP = "self-loops are not allowed";

	expected = updatedAtRe.ReplaceAllString(expected, `"updated_at"=?`)

	// ignore RETURNING "id" (only in PostgreSQL)
	returningRe := regexp.MustCompile(`(?i)RETURNING "id"`)
	actually = returningRe.ReplaceAllString(actually, ``)
	expected = returningRe.ReplaceAllString(expected, ``)

	actually = strings.TrimSpace(actually)
	expected = strings.TrimSpace(expected)

			},
			expected: ObjectLegalHold{Status: LegalHoldOff},
		},
		{
			metadata: map[string]string{
				"x-amz-object-lock-legal-hold": "X",
			},
			expected: ObjectLegalHold{Status: ""},
		},
	}

	for i, tt := range tests {
		o := GetObjectLegalHoldMeta(tt.metadata)
		if o.Status != tt.expected.Status {
			t.Fatalf("Case %d expected %v, got %v", i, tt.expected.Status, o.Status)
		}
	}

			t.Errorf("Test %d: Expected error code:%d, got %d", i+1, testCase.errCode, errCode)
		}
		if prefix != testCase.prefix {
			t.Errorf("Test %d: Expected %s, got %s", i+1, testCase.prefix, prefix)
		}
		if token != testCase.token {
			t.Errorf("Test %d: Expected %s, got %s", i+1, testCase.token, token)
		}
		if startAfter != testCase.startAfter {

				},
				"Policy": []string{"policy"},
			},
			expected: ErrNone,
		},
	}

	// Run each test case individually.
	for i, testCase := range testCases {
		_, code := doesPolicySignatureMatch(testCase.form)
		if code != testCase.expected {
			t.Errorf("(%d) expected to get %s, instead got %s", i, niceError(testCase.expected), niceError(code))
		}
	}
}

	if le := capitalPutObjects[0].VariableLabels["le"]; le != "0.500" {
		t.Errorf("Expected le='0.050' api=PutObject metrics but got '%v'", le)
	}
	if value := capitalPutObjects[0].Value; value != 1 {
		t.Errorf("Expected le='0.050' api=PutObject value to be 1 but got '%v'", value)
	}
	if le := capitalPutObjects[1].VariableLabels["le"]; le != "5.000" {
		t.Errorf("Expected le='5.000' api=PutObject metrics but got '%v'", le)
	}

	if len(keys) != 10 {
		t.Fatalf("List() Expected: 10, got %d", len(keys))
	}

	// re-open
	store, err = setUpQueueStore(queueDir, 10)
	if err != nil {
		t.Fatal("Failed to create a queue store ", err)
	}
	keys = store.List()

	if len(keys) != 10 {
		t.Fatalf("List() Expected: 10, got %d", len(keys))
	}
	if len(keys) != store.Len() {
		t.Fatalf("List() Expected: 10, got %d", len(keys))
	}