def test_lxor(self):
"""test lxor (long exclusive or)"""
test_op_codes = ops.OpCodes()
test_op_codes.stack.push_op(7)
ops.i2l(test_op_codes)
test_op_codes.stack.push_op(6)
ops.i2l(test_op_codes)
ops.lxor(test_op_codes)
# assert isinstance(test_op_codes.stack.peek(), numpy.int64)
self.assertEqual(test_op_codes.stack.pop_op
(ops.pop_twice), numpy.int64(1))
test_op_codes.stack.push_op(-7)
ops.i2l(test_op_codes)
test_op_codes.stack.push_op(-6)
ops.i2l(test_op_codes)
ops.lxor(test_op_codes)
# assert isinstance(test_op_codes.stack.peek(), numpy.int64)
self.assertEqual(test_op_codes.stack.pop_op
(ops.pop_twice), numpy.int64(3))
test_op_codes.stack.push_op(-7)
ops.i2l(test_op_codes)
test_op_codes.stack.push_op(6)
ops.i2l(test_op_codes)
ops.lxor(test_op_codes)
# assert isinstance(test_op_codes.stack.peek(), numpy.int64)
self.assertEqual(test_op_codes.stack.pop_op
(ops.pop_twice), numpy.int64(-1))
def test_iinc(self):
"""tests iinc method"""
test = ops.OpCodes()
for i in range(0, len(test.local_array)):
ops.iinc(test, i, i)
test.local_array[i] = i
self.assertEqual(test.local_array[i], i)
def test_divide(self):
"""tests the idiv opcode"""
op_code = ops.OpCodes()
op_code.stack.push_op(numpy.int32(128))
op_code.stack.push_op(numpy.int32(-3))
ops.idiv(op_code)
self.assertEqual(op_code.stack.peek(), -42)
def test_multiply(self):
"""tests the imul opcode"""
op_code = ops.OpCodes()
op_code.stack.push_op(numpy.int32(2000000000))
op_code.stack.push_op(numpy.int32(1000000000))
ops.imul(op_code)
self.assertEqual(op_code.stack.peek(), 1321730048)
def test_fdiv(self):
"""tests the fdiv opcode"""
op_code = ops.OpCodes()
op_code.stack.push_op(numpy.float32(4.0))
op_code.stack.push_op(numpy.float32(2.0))
ops.fdiv(op_code)
self.assertEqual(op_code.stack.peek(), 2.0)
def test_iload(self):
"""tests iload method"""
test = ops.OpCodes()
# tests every load index from 0 to length
for i in range(0, len(test.local_array)):
ops.iload(test, i)
self.assertEqual(test.stack.peek(), test.local_array[i])
def test_mod(self):
"""tests the irem opcode"""
op_code = ops.OpCodes()
op_code.stack.push_op(numpy.int32(128))
op_code.stack.push_op(numpy.int32(-3))
ops.irem(op_code)
self.assertEqual(op_code.stack.peek(), 2)
def test_ishr(self):
""" Test the ishr (Integer Arithmetic Shift Right) opcode """
test_op_codes = ops.OpCodes()
test_op_codes.stack.push_op(0)
test_op_codes.stack.push_op(0)
ops.ishr(test_op_codes)
self.assertEqual(test_op_codes.stack.pop_op(), 0)
test_op_codes.stack.push_op(8)
test_op_codes.stack.push_op(3)
ops.ishr(test_op_codes)
self.assertEqual(test_op_codes.stack.pop_op(), 1)
test_op_codes.stack.push_op(256)
test_op_codes.stack.push_op(6)
ops.ishr(test_op_codes)
self.assertEqual(test_op_codes.stack.pop_op(), 4)
test_op_codes.stack.push_op(16)
test_op_codes.stack.push_op(3)
ops.ishr(test_op_codes)
self.assertEqual(test_op_codes.stack.pop_op(), 2)
test_op_codes.stack.push_op(32)
test_op_codes.stack.push_op(2)
ops.ishr(test_op_codes)
self.assertEqual(test_op_codes.stack.pop_op(), 8)
test_op_codes.stack.push_op(16)
test_op_codes.stack.push_op(2)
ops.ishr(test_op_codes)
self.assertEqual(test_op_codes.stack.pop_op(), 4)
def test_l2f(self):
"""test l2d (long to float)"""
test_op_codes = ops.OpCodes()
ops.lconst_1(test_op_codes)
ops.l2f(test_op_codes)
assert isinstance(test_op_codes.stack.peek(), numpy.float32)
self.assertEqual(numpy.float32(1), test_op_codes.stack.pop_op())
def test_f2i(self):
"""test f2i (float to integer)"""
test_op_codes = ops.OpCodes()
ops.fconst_1(test_op_codes)
ops.f2i(test_op_codes)
assert isinstance(test_op_codes.stack.peek(), numpy.int32)
self.assertEqual(numpy.int(1), test_op_codes.stack.pop_op())
def test_fcmpl(self):
"""Test fcmpl (compare 2 floats)"""
test_op_codes = ops.OpCodes()
test_op_codes.stack.push_op(1/7)
ops.i2f(test_op_codes)
test_op_codes.stack.push_op(1/3)
ops.i2f(test_op_codes)
ops.fcmpl(test_op_codes)
self.assertEqual(test_op_codes.stack.pop_op(), -1)
test_op_codes.stack.push_op(1/3)
ops.i2f(test_op_codes)
test_op_codes.stack.push_op(1/7)
ops.i2f(test_op_codes)
ops.fcmpl(test_op_codes)
self.assertEqual(test_op_codes.stack.pop_op(), 1)
test_op_codes.stack.push_op(1/7)
ops.i2f(test_op_codes)
test_op_codes.stack.push_op(1/7)
ops.i2f(test_op_codes)
ops.fcmpl(test_op_codes)
self.assertEqual(test_op_codes.stack.pop_op(), 0)
test_op_codes.stack.push_op(numpy.nan)
test_op_codes.stack.push_op(1/7)
ops.i2f(test_op_codes)
ops.fcmpl(test_op_codes)
self.assertEqual(test_op_codes.stack.pop_op(), -1)
test_op_codes.stack.push_op(1/7)
test_op_codes.stack.push_op(numpy.nan)
ops.i2f(test_op_codes)
ops.fcmpl(test_op_codes)
self.assertEqual(test_op_codes.stack.pop_op(), -1)
def test_fneg(self):
"""test fneg (negate a float)"""
test_op_codes = ops.OpCodes()
test_op_codes.stack.push_op(1/7)
ops.i2f(test_op_codes)
ops.fneg(test_op_codes)
self.assertEqual(test_op_codes.stack.pop_op(),
numpy.float32(-1/7))
test_op_codes.stack.push_op(float("inf"))
ops.i2f(test_op_codes)
ops.fneg(test_op_codes)
numpy.isneginf(test_op_codes.stack.pop_op())
test_op_codes.stack.push_op(float("-inf"))
ops.i2f(test_op_codes)
ops.fneg(test_op_codes)
numpy.isposinf(test_op_codes.stack.pop_op())
test_op_codes.stack.push_op(0)
ops.i2f(test_op_codes)
ops.fneg(test_op_codes)
numpy.negative(test_op_codes.stack.pop_op())
test_op_codes.stack.push_op(numpy.nan)
ops.fneg(test_op_codes)
numpy.isnan(test_op_codes.stack.pop_op())
def test_l2i(self):
"""test l2i (long to int)"""
test_op_codes = ops.OpCodes()
ops.lconst_1(test_op_codes)
ops.l2i(test_op_codes)
assert isinstance(test_op_codes.stack.peek(), numpy.int32)
self.assertEqual(numpy.int(1), test_op_codes.stack.pop_op())
def test_ishl(self):
""" Test the ishl (Integer Shift Left) opcode """
test_op_codes = ops.OpCodes()
test_op_codes.stack.push_op(0)
test_op_codes.stack.push_op(0)
ops.ishl(test_op_codes)
self.assertEqual(test_op_codes.stack.pop_op(), 0)
test_op_codes.stack.push_op(1)
test_op_codes.stack.push_op(1)
ops.ishl(test_op_codes)
self.assertEqual(test_op_codes.stack.pop_op(), 2)
test_op_codes.stack.push_op(1)
test_op_codes.stack.push_op(3)
ops.ishl(test_op_codes)
self.assertEqual(test_op_codes.stack.pop_op(), 8)
test_op_codes.stack.push_op(1)
test_op_codes.stack.push_op(8)
ops.ishl(test_op_codes)
self.assertEqual(test_op_codes.stack.pop_op(), 256)
test_op_codes.stack.push_op(8)
test_op_codes.stack.push_op(4)
ops.ishl(test_op_codes)
self.assertEqual(test_op_codes.stack.pop_op(), 128)
test_op_codes.stack.push_op(16)
test_op_codes.stack.push_op(2)
ops.ishl(test_op_codes)
self.assertEqual(test_op_codes.stack.pop_op(), 64)
def test_l2d(self):
"""test l2d (long to double)"""
test_op_codes = ops.OpCodes()
ops.lconst_1(test_op_codes)
ops.l2d(test_op_codes)
assert isinstance(test_op_codes.stack.peek(), numpy.float64)
self.assertEqual(numpy.float64(1),
test_op_codes.stack.pop_op(ops.pop_twice))
def test_lload(self):
"""tests lload method"""
test = ops.OpCodes()
# tests every load index from 0 to length
for i in range(0, len(test.local_array)):
ops.lload(test, i)
self.assertEqual(test.stack.pop_op
(ops.pop_twice), test.local_array[i])
def test_f2l(self):
"""test f2l (float to long)"""
test_op_codes = ops.OpCodes()
ops.fconst_1(test_op_codes)
ops.f2l(test_op_codes)
assert isinstance(test_op_codes.stack.peek(), numpy.int64)
self.assertEqual(numpy.int64(1),
test_op_codes.stack.pop_op(ops.pop_twice))
def test_ixor(self):
""" Test the ixor (Integer Exclusive Or) opcode """
test_op_codes = ops.OpCodes()
# ixor(255 ^ 129) should produce (126)
test_op_codes.stack.push_op(255)
test_op_codes.stack.push_op(129)
ops.ixor(test_op_codes)
self.assertEqual(test_op_codes.stack.peek(), 126)
def test_fstore(self):
"""tests the fstore method for 32 bit floats"""
test = ops.OpCodes()
test.stack.push_op(numpy.float32(3), ops.push_twice)
test.stack.push_op(numpy.float32(2), ops.push_twice)
test.stack.push_op(numpy.float32(1), ops.push_twice)
test.stack.push_op(numpy.float32(0), ops.push_twice)
for i in range(0, len(test.local_array)):
ops.fstore(test, i)
self.assertEqual(test.local_array[i], numpy.float32(i))
def test_istore(self):
"""tests istore method"""
test = ops.OpCodes()
test.stack.push_op(3)
test.stack.push_op(2)
test.stack.push_op(1)
test.stack.push_op(0)
for i in range(0, len(test.local_array)):
ops.istore(test, i)
self.assertEqual(test.local_array[i], i)
def test_lstore(self):
"""tests the lstore method for 64 bit longs"""
test = ops.OpCodes()
test.stack.push_op(numpy.int64(3), ops.push_twice)
test.stack.push_op(numpy.int64(2), ops.push_twice)
test.stack.push_op(numpy.int64(1), ops.push_twice)
test.stack.push_op(numpy.int64(0), ops.push_twice)
for i in range(0, len(test.local_array)):
ops.lstore(test, i)
self.assertEqual(test.local_array[i], numpy.int64(i))
def test_ldiv(self):
"""tests the ldiv opcode"""
op_code = ops.OpCodes()
op_code.stack.push_op(numpy.int64(4), ops.push_twice)
op_code.stack.push_op(numpy.int64(2), ops.push_twice)
ops.ldiv(op_code)
self.assertEqual(op_code.stack.pop_op(ops.pop_twice), 2)
op_code.stack.push_op(numpy.int64(-4), ops.push_twice)
op_code.stack.push_op(numpy.int64(2), ops.push_twice)
ops.ldiv(op_code)
self.assertEqual(op_code.stack.pop_op(ops.pop_twice), -2)
def test_lrem(self):
"""tests the lrem opcode"""
op_code = ops.OpCodes()
op_code.stack.push_op(numpy.int64(0), ops.push_twice)
op_code.stack.push_op(numpy.int64(0), ops.push_twice)
ops.lrem(op_code)
self.assertEqual(op_code.stack.pop_op(ops.pop_twice), 0)
op_code.stack.push_op(numpy.int64(5), ops.push_twice)
op_code.stack.push_op(numpy.int64(5), ops.push_twice)
ops.lrem(op_code)
self.assertEqual(op_code.stack.pop_op(ops.pop_twice), 0)
def test_frem(self):
"""tests the irem opcode"""
op_code = ops.OpCodes()
op_code.stack.push_op(numpy.float32(0.0))
op_code.stack.push_op(numpy.float32(0.0))
ops.frem(op_code)
self.assertEqual(op_code.stack.peek(), 0.0)
op_code.stack.push_op(numpy.float32(5.0))
op_code.stack.push_op(numpy.float32(5.0))
ops.frem(op_code)
self.assertEqual(op_code.stack.peek(), 0.0)
def test_lmul(self):
"""tests the lmul opcode"""
op_code = ops.OpCodes()
op_code.stack.push_op(numpy.int64(2), ops.push_twice)
op_code.stack.push_op(numpy.int64(3), ops.push_twice)
ops.lmul(op_code)
self.assertEqual(op_code.stack.pop_op(ops.pop_twice), 6)
op_code.stack.push_op(numpy.int64(-2), ops.push_twice)
op_code.stack.push_op(numpy.int64(-3), ops.push_twice)
ops.lmul(op_code)
self.assertEqual(op_code.stack.pop_op(ops.pop_twice), 6)
def test_add_subtract(self):
"""tests the iadd and isub opcodes"""
op_code = ops.OpCodes()
op_code.stack.push_op(numpy.int32(2000000000))
op_code.stack.push_op(numpy.int32(1000000000))
ops.iadd(op_code)
self.assertEqual(op_code.stack.peek(), -1294967296)
op_code.stack.push_op(numpy.int32(10))
op_code.stack.push_op(numpy.int32(3))
ops.isub(op_code)
self.assertEqual(op_code.stack.peek(), 7)
def test_fmul(self):
"""tests the fmul opcode"""
op_code = ops.OpCodes()
op_code.stack.push_op(numpy.float32(2.0))
op_code.stack.push_op(numpy.float32(3.0))
ops.fmul(op_code)
self.assertEqual(op_code.stack.peek(), 6.0)
op_code.stack.push_op(numpy.float32(2.0))
op_code.stack.push_op(numpy.float32(3.0))
ops.fmul(op_code)
self.assertEqual(op_code.stack.peek(), 6.0)
def test_fsub(self):
"""tests the fsub opcodes"""
op_code = ops.OpCodes()
op_code.stack.push_op(numpy.float32(0.0))
op_code.stack.push_op(numpy.float32(0.0))
ops.fsub(op_code)
self.assertEqual(op_code.stack.peek(), 0.0)
op_code.stack.push_op(numpy.float32(5.0))
op_code.stack.push_op(numpy.float32(2.0))
ops.fsub(op_code)
self.assertEqual(op_code.stack.peek(), 3.0)
def test_land(self):
"""Test land (logical bitwise long AND)"""
test_op_codes = ops.OpCodes()
test_op_codes.stack.push_op(42)
ops.i2l(test_op_codes)
test_op_codes.stack.push_op(6)
ops.i2l(test_op_codes)
ops.land(test_op_codes)
# assert isinstance(test_op_codes.stack.peek(), numpy.int64)
self.assertEqual(test_op_codes.stack.pop_op
(ops.pop_twice), numpy.int64(2))
def test_iushr(self):
""" Test the iushr (Logical Shift Right) opcode """
test_op_codes = ops.OpCodes()
# iushr(255 >>> 2) should produce (63)
test_op_codes.stack.push_op(255)
test_op_codes.stack.push_op(2)
ops.iushr(test_op_codes)
self.assertEqual(test_op_codes.stack.pop_op(), 63)
# iushr(-1 >> 4) should produce (268,435,455)
test_op_codes.stack.push_op(-1)
test_op_codes.stack.push_op(4)
ops.iushr(test_op_codes)
self.assertEqual(test_op_codes.stack.pop_op(), 268435455)