add test for constant expression evaluation output

 */

package android.hardware.tests.expression@1.0;

@hal_type(type="LIGHT")

interface IExpression {

  enum int_literals : int32_t {

  enum UInt64LiteralTypeGuessing : uint64_t {

    noSuffixDec1 = 0,

    noSuffixDec2 = 1,

    noSuffixDec3 = -1,

    noSuffixDec4 = ~0,

    noSuffixDec5 = 2147483647,

    noSuffixDec6 = -2147483648,

    noSuffixDec7 = 2147483648,

    noSuffixDec8 = -2147483649,

    noSuffixDec9 = ~(-1),

    noSuffixHex1 = 0x7fffffff,

    noSuffixHex2 = 0x80000000,

    noSuffixHex3 = 0xffffffff,

    longHex1 = 0xffffffffl,

    longHex2 = 0xfffffffff,

    longHex3 = 0x7fffffffffffffff,

    longHex4 = 0x8000000000000000,

    longHex5 = 0xFFFFFFFFFFFFFFFF,

  };

  enum SuffixedLiteralTypeGuessing : int32_t {

    // Should be all true / ones.

    // dec literals are either int32_t or int64_t

    decInt32_1 = (~(-1)) == 0,

    decInt32_2 = -(1 << 31) == (1 << 31),

    decInt64_1 = (~(-1l)) == 0,

    decInt64_2 = (~4294967295) != 0,

    decInt64_3 = (~4294967295l) != 0,

    decInt64_4 = -(1l << 63) == (1l << 63),

    // hex literals could be (u)int32_t or (u)int64_t

    // 0x7fffffff is int32_t, hence can be negated

    hexInt32_1 = -0x7fffffff < 0,

    // 0x80000000 is uint32_t; if it were int32_t then -(int32_t)0x80000000 == (int32_t)0x80000000 > 0

    hexUInt32_1 = -0x80000000 > 0,

    // 0xFFFFFFFF is uint32_t, not int64_t; if it were int64_t then ~(int64_t)0xFFFFFFFF != 0

    hexUInt32_2 = ~0xFFFFFFFF == 0,

    // 0x7FFFFFFFFFFFFFFF is int64_t, hence can be negated

    hexInt64_1 = -0x7FFFFFFFFFFFFFFF < 0,

    // 0x8000000000000000 is uint64_t

    hexUInt64_1 = -0x8000000000000000 > 0,

  };

  enum Int64LiteralTypeGuessing : int64_t {

    // both treated int32_t, sum = (int64_t)(int32_t)0x80000000 = (int64_t)(-2147483648)

    noSuffixDec11 = 1 + 0x7fffffff,

    // 0x80000000 is uint32_t, sum = (int64_t)(uint32_t)0x7fffffff = (int64_t)(2147483647)

    noSuffixDec12 = 0x80000000 - 1,

  };

  enum Int32BitShifting : int32_t {

    // Shifting for more than 31 bits are undefined. Not tested.

    int32BitShift1 = 1 << 31,

  };

  enum UInt32BitShifting : uint32_t {

    uint32BitShift1 = 1 << 31,

  };

  enum Int64BitShifting : int64_t {

    int64BitShift1 = 1l << 63,

  };

  enum UInt64BitShifting : uint64_t {

    uint64BitShift1 = 1l << 63,

  };

  enum Precedence : int32_t {

    literal = 4,

    neg = -4,

    literalL = -4L,

    hex = 0xffffffff,

    hexLong = 0xffffffffl,

    hexLong2 = 0xfffffffff,

    simpleArithmetic = 4 + 1,

    simpleIdentifier = literalL,

    simpleIdentifier2 = literalL + simpleArithmetic,

    simpleArithmetic2 = 2 + 3 - 4,

    simpleBoolExpr = 1 == 4,

    simpleLogical = 1 && 1,

    simpleComp = 1 < 2,

    boolExpr1 = !((3 != 4 || (2 < 3 <= 3 > 4)) >= 0),

    boolExpr = 1 == 7 && !((3 != 4 || (2 < 3 <= 3 > 4)) >= 0),

    simpleBitShift = 1 << 2,

    simpleBitShift2 = 4 >> 1,

    simpleBitShiftNeg = 4 << -1,

    simpleArithmeticRightShift = 1 << 31 >> 31,

    simpleBitExpr = 1 | 16 >> 2,

    bitExpr = ~42 & (1 << 3 | 16 >> 2) ^ 7,

    arithmeticExpr = 2 + 3 - 4 * -7 / (10 % 3),

    messyExpr = 2 + (-3&4 / 7),

    paranExpr = (((((1 + 1))))),

    ternary = 1?2:3,

    ternary2 = 1&&2?3:4,

    complicatedTernary2 = 1 - 1 && 2 + 3 || 5 ? 7 * 8 : -3

  };

  // const float SIMPLE_FLOAT1 = 1e20;

  // const float SIMPLE_FLOAT2 = 1e-10L;

  // const float SIMPLE_FLOAT3 = 1.;

  // const float SIMPLE_FLOAT4 = 1.e-2;

  // const float SIMPLE_FLOAT5 = 3.1416;

  // const float SIMPLE_FLOAT6 = .5f;

  // const float SIMPLE_FLOAT7 = 0.5e-3L;

  // struct expressionist_t {

  //   uint8_t[1 << 10] buffer;

  // };

  // @param(name = "mask", normal = 1 << 5)

  // setExpression(expressionist_t state, int32_t mask) generates (int32_t ret);

    complicatedTernary2 = 1 - 1 && 2 + 3 || 5 ? 7 * 8 : -3,

  };

  enum OperatorSanityCheck : int32_t {

    // Should be all true / ones.

    plus = (1 + 2) == 3,

    minus = (8 - 9) == -1,

    product = (9 * 9) == 81,

    division = (29 / 3) == 9,

    mod = (29 % 3) == 2,

    bit_or = (0xC0010000 | 0xF00D) == (0xC001F00D),

    bit_or2 = (10 | 6) == 14,

    bit_and = (10 & 6) == 2,

    bit_xor = (10 ^ 6) == 12,

    lt1 = 6 < 10,

    lt2 = (10 < 10) == 0,

    gt1 = (6 > 10) == 0,

    gt2 = (10 > 10) == 0,

    gte1 = 19 >= 10,

    gte2 = 10 >= 10,

    lte1 = 5 <= 10,

    lte2 = (19 <= 10) == 0,

    ne1 = 19 != 10,

    ne2 = (10 != 10) == 0,

    lshift = (22 << 1) == 44,

    rshift = (11 >> 1) == 5,

    logor1 = (1 || 0) == 1,

    logor2 = (1 || 1) == 1,

    logor3 = (0 || 0) == 0,

    logor4 = (0 || 1) == 1,

    logand1 = (1 && 0) == 0,

    logand2 = (1 && 1) == 1,

    logand3 = (0 && 0) == 0,

    logand4 = (0 && 1) == 0,

  };

};