public void ToAssembly_GivenEq_ReturnsTranslatedAssembly(int eqCount)
{
var expected = new string []
{
"// eq",
"@SP",
"AM=M-1",
"D=M",
"@SP",
"A=M-1",
"D=M-D",
$"@EQ_{eqCount}",
"D;JEQ",
"@SP",
"A=M-1",
"M=0",
$"@EQ_END_{eqCount}",
"0;JMP",
$"(EQ_{eqCount})",
"@SP",
"A=M-1",
"M=-1",
$"(EQ_END_{eqCount})",
""
};
var result = new ArithmeticCommandTranslatorBuilder()
.WithEqCount(eqCount)
.CreateSut()
.ToAssembly("eq");
Assert.Equal(expected, result);
}
public void ToAssembly_GivenLt_ReturnsTranslatedAssembly(int ltCount)
{
var expected = new string []
{
"// lt",
"@SP",
"AM=M-1",
"D=M",
"@SP",
"A=M-1",
"D=M-D",
$"@LT_{ltCount}",
"D;JLT",
"@SP",
"A=M-1",
"M=0",
$"@LT_END_{ltCount}",
"0;JMP",
$"(LT_{ltCount})",
"@SP",
"A=M-1",
"M=-1",
$"(LT_END_{ltCount})",
""
};
var result = new ArithmeticCommandTranslatorBuilder()
.WithLtCount(ltCount)
.CreateSut()
.ToAssembly("lt");
Assert.Equal(expected, result);
}
public void ToAssembly_GivenNeg_ReturnsTranslatedAssembly()
{
var expected = new string []
{
"// neg",
"@SP",
"A=M-1",
"M=-M",
""
};
var result = new ArithmeticCommandTranslatorBuilder()
.CreateSut()
.ToAssembly("neg");
Assert.Equal(expected, result);
}