assertEscaping(e, "%E0%A0%80", '\u0800'); // xxx-0000,x-100000,x-00,0000
    assertEscaping(e, "%EF%BF%BF", '\uffff'); // xxx-1111,x-111111,x-11,1111
    assertUnicodeEscaping(e, "%F0%90%80%80", '\uD800', '\uDC00');
    assertUnicodeEscaping(e, "%F4%8F%BF%BF", '\uDBFF', '\uDFFF');

    assertEquals("", e.escape(""));
    assertEquals("safestring", e.escape("safestring"));

	{"0(AX)", "(AX)"},
	{"0(BP)", "(BP)"},
	{"0(BX)", "(BX)"},
	{"4(AX)", "4(AX)"},
	{"AL", "AL"},
	{"AX", "AX"},
	{"BP", "BP"},
	{"BX", "BX"},
	{"CX", "CX"},
	{"DI", "DI"},
	{"DX", "DX"},
	{"F0", "F0"},
	{"GS", "GS"},
	{"SI", "SI"},
	{"SP", "SP"},
	{"X0", "X0"},
	{"X1", "X1"},
	{"X2", "X2"},
	{"X3", "X3"},
	{"X4", "X4"},
	{"X5", "X5"},
	{"X6", "X6"},
	{"X7", "X7"},

	FCMOVNBE F3, F0                         // dbd3
	FCMOVNE F2, F0                          // dbca
	FCMOVNE F3, F0                          // dbcb
	FCMOVNU F2, F0                          // dbda
	FCMOVNU F3, F0                          // dbdb
	FCMOVU F2, F0                           // dada
	FCMOVU F3, F0                           // dadb
	FCOMD F2, F0                            // d8d2

    assertEscaping(e, "%E0%A0%80", '\u0800'); // xxx-0000,x-100000,x-00,0000
    assertEscaping(e, "%EF%BF%BF", '\uffff'); // xxx-1111,x-111111,x-11,1111
    assertUnicodeEscaping(e, "%F0%90%80%80", '\uD800', '\uDC00');
    assertUnicodeEscaping(e, "%F4%8F%BF%BF", '\uDBFF', '\uDFFF');

    // simple string tests
    assertEquals("", e.escape(""));
    assertEquals("safestring", e.escape("safestring"));

	// conditional move on fp false/true
	//
	CMOVF	R1, R2
	CMOVT	R1, R2

	//
	// conditional traps
	//
	TEQ	$1, R1, R2
	TEQ	$1, R1


	//
	// other
	//
	CLO	R1, R2
	SQRTD	F0, F1
	MUL	R1, R2, R3


	//
	// RET
	//
	//	LRETRN	comma // asm doesn't support the trailing comma.
	//	{
	//		outcode(int($1), &nullgen, 0, &nullgen);
	//	}
	SYSCALL
	BEQ	R1, 2(PC)

	FSTPD	(R1, R2), (R0)                                   // ERROR "invalid register pair"
	FMOVS	(F2), F0                                         // ERROR "illegal combination"
	FMOVD	F0, (F1)                                         // ERROR "illegal combination"
	LDADDAD	R5, (R6), RSP                                    // ERROR "illegal combination"

	FMOVS	$(4.0), F0                      // 0010221e
	FMOVD	$(4.0), F0                      // 0010621e
	FMOVS	$(0.265625), F1                 // 01302a1e
	FMOVD	$(0.1796875), F2                // 02f0681e
	FMOVS	$(0.96875), F3                  // 03f02d1e
	FMOVD	$(28.0), F4                     // 0490671e
	FMOVD	$0, F0                          // e003679e
	FMOVS	$0, F0                          // e003271e

00000f0 ff 42 88 21 c4 00 00 00 00 ff ff 00 00 00 ff ff
0000100 00 34 00 cb ff 42 e8 21 5e 0f 00 00 00 ff ff 0a
0000110 f0 66 64 12 61 c0 15 dc e8 a0 48 bf 48 af 2a b3
0000120 20 c0 9b 95 0d c4 67 04 42 53 06 06 06 40 00 06
0000130 00 f9 ff 6d 01 00 00 00 00 42 e8 21 5e 0f 00 00
0000140 00 ff ff 0a f0 66 64 12 61 c0 15 dc e8 a0 48 bf
0000150 48 af 2a b3 20 c0 9b 95 0d c4 67 04 42 53 06 06

    assertThat(parse("http://%F0%9F%8D%A9@host/").username).isEqualTo("\uD83C\uDF69")
  }

  @Test
  fun decodePassword() {
    assertThat(parse("http://user:password@host/").password).isEqualTo("password")
    assertThat(parse("http://user:@host/").password).isEqualTo("")
    assertThat(parse("http://user:%F0%9F%8D%A9@host/").password)
      .isEqualTo("\uD83C\uDF69")
  }

	STXSIWX VS1, (R3)(R4)           // 7c241918
	STXSIWX VS1, (R3)(R0)           // 7c201918
	STXSIWX VS1, (R3)               // 7c201918
	MFVSRD VS1, R3                  // 7c230066
	MTFPRD R3, F0                   // 7c030166
	MFVRD V0, R3                    // 7c030067
	MFVSRLD VS63,R4                 // 7fe40267
	MFVSRLD V31,R4                  // 7fe40267
	MFVSRWZ VS33,R4                 // 7c2400e7