ALU { public String integerAddition (String operand1, String operand2, int length) { return adder(operand1, operand2, '0', length); }  static void main(String[] args); static final boolean floatIsInfinity(String input, int eLength, int sLength); static final String complementLength(String binary, int length); static final String repeatedString(String str, int times); static final String bitOp(String oneBitOperand1, String oneBitOperand2, BinaryOperator<Boolean> op); static final boolean isSignTheSame(String binary1, String binary2); static String movePoint(String operand, int offset); static final char charOp(BinaryOperator<Boolean> op, Character... bits); static final String stringOp(String operand1, String operand2, BinaryOperator<Boolean> op); static final boolean xor(boolean operand1, boolean operand2); static int minBinaryLong(int number); static String integerBinRepresentationInMinLength(String decimalNumber); static String get2sComplement(String binaryNumber, boolean isNegative); String integerRepresentation(String number, int length); String floatRepresentation(String number, int eLength, int sLength); String ieee754(String number, int length); String integerTrueValue(String operand); String floatTrueValue(String operand, int eLength, int sLength); String negation(String operand); String leftShift(String operand, int n); String logRightShift(String operand, int n); String ariRightShift(String operand, int n); String fullAdder(char x, char y, char c); String claAdder(String operand1, String operand2, char c); String oneAdder(String operand); String adder(String operand1, String operand2, char c, int length); String integerAddition(String operand1, String operand2, int length); String integerSubtraction(String operand1, String operand2, int length); String integerMultiplication(String operand1, String operand2, int length); String integerDivision(String operand1, String operand2, int length); String signedAddition(String operand1, String operand2, int length); String floatAddition(String operand1, String operand2, int eLength, int sLength, int gLength); String floatSubtraction(String operand1, String operand2, int eLength, int sLength, int gLength); String floatMultiplication(String operand1, String operand2, int eLength, int sLength); String floatDivision(String operand1, String operand2, int eLength, int sLength); String trueFormDivision(String operand1, String operand2, int length); static final BinaryOperator<Boolean> booleanAnd; static final BinaryOperator<Boolean> booleanOr; static final BinaryOperator<Boolean> booleanXOR; }
@Test public void testIntegerAddition() { ALU alu = new ALU(); assertEquals("000000111", alu.integerAddition("0100", "0011", 8)); }