assertThat(partMno.body.readUtf8()).isEqualTo("mnop")

    assertThat(parts.nextPart()).isNull()
  }

  @Test fun `cannot read part after calling nextPart`() {
    val multipart =
      """
      |--simple boundary
      |
      |abcd
      |efgh
      |ijkl
      |--simple boundary
      |
      |mnop
      |--simple boundary--
      """.trimMargin()

		13: {bucketName: bucket, objName: object, inputData: []byte("mnop"), inputMeta: map[string]string{"etag": "e132e96a5ddad6da8b07bba6f6131fef"}, inputDataSize: int64(len("mnop"))},

		// With no metadata
		14: {bucketName: bucket, objName: object, inputData: data, inputDataSize: int64(len(data)), expectedMd5: getMD5Hash(data)},

		{bucketName: bucket, objName: object, uploadID: uploadID, PartID: 4, inputReaderData: "mnop", inputMd5: "e132e96a5ddad6da8b07bba6f6131fef", inputSHA256: "f1afc31479522d6cff1ed068f93998f05a8cd3b22f5c37d7f307084f62d1d270", inputDataSize: int64(len("abcd")), shouldPass: true},
	}

	// Validate all the test cases.

		{bucketName, objectName, uploadIDs[0], 3, "ijkl", "09a0877d04abf8759f99adec02baf579", int64(len("abcd"))},
		{bucketName, objectName, uploadIDs[0], 4, "mnop", "e132e96a5ddad6da8b07bba6f6131fef", int64(len("abcd"))},
		// Part with size larger than 5 MiB.
		{bucketName, objectName, uploadIDs[0], 5, string(validPart), validPartMD5, int64(len(validPart))},

	//	}
	NOP	F2

	//	LNOP ',' rreg // asm doesn't support the leading comma.
	//	{
	//		outcode(int($1), &nullgen, 0, &$3);
	//	}
	NOP	R2

	//	LNOP ',' freg // asm doesn't support the leading comma.
	//	{
	//		outcode(int($1), &nullgen, 0, &$3);
	//	}
	NOP	F2

	//	LNOP imm
	//	{
	//		outcode(int($1), &$2, 0, &nullgen);
	//	}
	NOP	$4

	//
	// special

//	}
	NOP	F2

//	LNOP ',' rreg // asm doesn't support the leading comma.
//	{
//		outcode(int($1), &nullgen, 0, &$3);
//	}
	NOP	R2

//	LNOP ',' freg // asm doesn't support the leading comma.
//	{
//		outcode(int($1), &nullgen, 0, &$3);
//	}
	NOP	F2

//	LNOP imm
//	{
//		outcode(int($1), &$2, 0, &nullgen);
//	}
	NOP	$4

//
// special
//
	SYSCALL

	PMXVI8GER4 VS1, VS2, $1, $2, $3, A1     // 07903012ec811018
	PMXVI8GER4PP VS1, VS2, $1, $2, $3, A1   // 07903012ec811010
	PMXVI8GER4SPP VS1, VS2, $1, $2, $3, A1  // 07903012ec811318
	PNOP                                    // 0700000000000000
	PSTB R1, $1, 12345678(R2)               // 061000bc9822614e
	PSTD R1, $1, 12345678(R2)               // 041000bcf422614e

    runConcurrentlyMutatedTest(elements(), ops(add(1), nop()), wrap);

    runConcurrentlyMutatedTest(elements(), ops(add(1), remove()), wrap);

    runConcurrentlyMutatedTest(elements(), ops(nop(), add(1)), wrap);

    runConcurrentlyMutatedTest(elements(1), ops(remove(), nop()), wrap);

    runConcurrentlyMutatedTest(elements(1), ops(remove(), add(2)), wrap);

	JCS	2(PC)
	JMP	(SP)
	JCS	2(PC)
//	JMP	(AX*4) // TODO: This line is silently dropped on the floor!
	JCS	2(PC)
	JMP	(AX)(AX*4)
	JCS	2(PC)
	JMP	R13

// LTYPEN spec4	{ outcode($1, &$2); }
	NOP
	NOP	AX
	NOP	foo+4(SB)

// LTYPES spec5	{ outcode($1, &$2); }
	SHLL	CX, R12
	SHLL	CX, foo+4(SB)
	// Old syntax, still accepted:
	SHLL	CX, R11:AX // SHLL CX, AX, R11

// LTYPEM spec6	{ outcode($1, &$2); }

  private static final String TEST_STRING =
      "\0abyz\u0080\u0100\u0800\u1000ABYZ\uffff" + SMALLEST_SURROGATE + "0189" + LARGEST_SURROGATE;

  // Escapes nothing
  private static final UnicodeEscaper NOP_ESCAPER =
      new UnicodeEscaper() {
        @Override
        protected char @Nullable [] escape(int c) {
          return null;
        }
      };

  // Escapes everything except [a-zA-Z0-9]