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"""
Fixed-Point parameter type testcases - FP16_Q0.31

List of tested functions :
--------------------------
    - [setParameter]  function
    - [getParameter] function

Initial Settings :
------------------
    FP16_Q0.31 :
        - size = 32 bits
        - 0 integer bits, 31 fractionnal bits
        - range : [-1, 0.9999999995343387126922607421875]

Test cases :
------------
    - FP16_Q0.31 parameter min value = -1
    - FP16_Q0.31 parameter min value out of bounds = -1.0000000001
    - FP16_Q0.31 parameter max value = 0.9999999995
    - FP16_Q0.31 parameter max value out of bounds = 1
    - FP16_Q0.31 parameter in nominal case = 0.5000000000
"""
import commands
from Util.PfwUnitTestLib import PfwTestCase
from Util import ACTLogging
log=ACTLogging.Logger()

# Test of type FP32_Q0.31 - range [-1,0.9999999995343387126922607421875]
class TestCases(PfwTestCase):
    def setUp(self):
        self.param_name = "/Test/Test/TEST_DIR/FP32_Q0.31"
        self.pfw.sendCmd("setTuningMode", "on")

    def tearDown(self):
        self.pfw.sendCmd("setTuningMode", "off")

    def test_Nominal_Case(self):
        """
        Testing FP16_Q0.31 in nominal case = 0.500000000
        ------------------------------------------------
            Test case description :
            ~~~~~~~~~~~~~~~~~~~~~~~
                - set FP16_Q0.31 parameter in nominal case = 0.500000000
            Tested commands :
            ~~~~~~~~~~~~~~~~~
                - [setParameter] function
            Used commands :
            ~~~~~~~~~~~~~~~
                - [getParameter] function
            Expected result :
            ~~~~~~~~~~~~~~~~~
                - FP16_Q0.31 parameter set to 0.500000000
                - Blackboard and filesystem values checked
        """
        log.D(self.test_Nominal_Case.__doc__)
        log.I("FP32_Q0.31 parameter in nominal case = 0.500000000")
        value = "0.5000000000"
        hex_value = "0x40000000"
        #Set parameter value
        out, err = self.pfw.sendCmd("setParameter", self.param_name, value)
        assert err == None, log.E("when setting parameter %s : %s" % (self.param_name, err))
        assert out == "Done", log.F("when setting parameter %s : %s" % (self.param_name, out))
        #Check parameter value on blackboard
        out, err = self.pfw.sendCmd("getParameter", self.param_name, "")
        assert err == None, log.E("when setting parameter %s : %s" % (self.param_name, err))
        assert round(float(out),10) == round(float(value),10), log.F("BLACKBOARD : Incorrect value for %s, expected: %s, found: %s"
                                                                     % (self.param_name, value, out))
        #Check parameter value on filesystem
        assert commands.getoutput('cat $PFW_FILESYSTEM/FP32_Q0.31') == hex_value, log.F("FILESYSTEM : parameter update error")
        log.I("test OK")

    def test_TypeMin(self):
        """
        Testing FP16_Q0.31 minimal value = -1
        -------------------------------------
            Test case description :
            ~~~~~~~~~~~~~~~~~~~~~~~
                - set FP16_Q0.31 parameter min value = -1
            Tested commands :
            ~~~~~~~~~~~~~~~~~
                - [setParameter] function
            Used commands :
            ~~~~~~~~~~~~~~~
                - [getParameter] function
            Expected result :
            ~~~~~~~~~~~~~~~~~
                - FP16_Q0.31 parameter set to -1
                - Blackboard and filesystem values checked
        """
        log.D(self.test_TypeMin.__doc__)
        log.I("FP32_Q0.31 parameter min value = -1")
        value = "-1"
        hex_value = "0x80000000"
        #Set parameter value
        out, err = self.pfw.sendCmd("setParameter", self.param_name, value)
        assert err == None, log.E("when setting parameter %s : %s" % (self.param_name, err))
        assert out == "Done", log.F("when setting parameter %s : %s" % (self.param_name, out))
        #Check parameter value on blackboard
        out, err = self.pfw.sendCmd("getParameter", self.param_name, "")
        assert err == None, log.E("when setting parameter %s : %s" % (self.param_name, err))
        assert round(float(out),10) == round(float(value),10), log.F("BLACKBOARD : Incorrect value for %s, expected: %s, found: %s"
                                                                     % (self.param_name, value, out))
        #Check parameter value on filesystem
        assert commands.getoutput('cat $PFW_FILESYSTEM/FP32_Q0.31') == hex_value, log.F("FILESYSTEM : parameter update error")
        log.I("test OK")

    def test_TypeMin_Overflow(self):
        """
        Testing FP16_Q0.31 parameter value out of negative range
        --------------------------------------------------------
            Test case description :
            ~~~~~~~~~~~~~~~~~~~~~~~
                - set FP16_Q0.31 to -1.000000001
            Tested commands :
            ~~~~~~~~~~~~~~~~~
                - [setParameter] function
            Used commands :
            ~~~~~~~~~~~~~~~
                - [getParameter] function
            Expected result :
            ~~~~~~~~~~~~~~~~~
                - error detected
                - FP16_Q0.31 parameter not updated
                - Blackboard and filesystem values checked
        """
        log.D(self.test_TypeMin_Overflow.__doc__)
        log.I("FP32_Q0.31 parameter min value out of bounds = -1.000000001")
        value = "-1.0000000001"
        param_check = commands.getoutput('cat $PFW_FILESYSTEM/FP32_Q0.31')
        #Set parameter value
        out, err = self.pfw.sendCmd("setParameter", self.param_name, value)
        assert err == None, log.E("when setting parameter %s : %s" % (self.param_name, err))
        assert out != "Done", log.F("PFW : Error not detected when setting parameter %s out of bounds"
                                    % (self.param_name))
        #Check parameter value on filesystem
        assert commands.getoutput('cat $PFW_FILESYSTEM/FP32_Q0.31') == param_check, log.F("FILESYSTEM : Forbiden parameter change")
        log.I("test OK")

    def test_TypeMax(self):
        """
        Testing FP16_Q0.31 parameter maximum value
        ------------------------------------------
            Test case description :
            ~~~~~~~~~~~~~~~~~~~~~~~
                - set FP16_Q0.31 to 0.9999999995
            Tested commands :
            ~~~~~~~~~~~~~~~~~
                - [setParameter] function
            Used commands :
            ~~~~~~~~~~~~~~~
                - [getParameter] function
            Expected result :
            ~~~~~~~~~~~~~~~~~
                - FP16_Q0.31 parameter set to 0.9999999995
                - Blackboard and filesystem values checked
        """
        log.D(self.test_TypeMax.__doc__)
        log.I("FP32_Q0.31 parameter max value = 0.9999999995")
        value = "0.9999999995"
        hex_value = "0x7fffffff"
        #Set parameter value
        out, err = self.pfw.sendCmd("setParameter", self.param_name, value)
        assert err == None, log.E("when setting parameter %s : %s" % (self.param_name, err))
        assert out == "Done", log.F("when setting parameter %s : %s" % (self.param_name, out))
        #Check parameter value on blackboard
        out, err = self.pfw.sendCmd("getParameter", self.param_name, "")
        assert err == None, log.E("when setting parameter %s : %s" % (self.param_name, err))
        assert round(float(out),10) == round(float(value),10), log.F("BLACKBOARD : Incorrect value for %s, expected: %s, found: %s"
                                                                     % (self.param_name, value, out))
        #Check parameter value on filesystem
        assert commands.getoutput('cat $PFW_FILESYSTEM/FP32_Q0.31') == hex_value, log.F("FILESYSTEM : parameter update error")
        log.I("test OK")

    def test_TypeMax_Overflow(self):
        """
        Testing FP16_Q0.31 parameter value out of positive range
        --------------------------------------------------------
            Test case description :
            ~~~~~~~~~~~~~~~~~~~~~~~
                - set FP16_Q0.31 to 1
            Tested commands :
            ~~~~~~~~~~~~~~~~~
                - [setParameter] function
            Used commands :
            ~~~~~~~~~~~~~~~
                - [getParameter] function
            Expected result :
            ~~~~~~~~~~~~~~~~~
                - error detected
                - FP16_Q0.31 parameter not updated
                - Blackboard and filesystem values checked
        """
        log.D(self.test_TypeMax_Overflow.__doc__)
        log.I("FP32_Q0.31 parameter max value out of bounds = 1")
        value = "1"
        param_check = commands.getoutput('cat $PFW_FILESYSTEM/FP32_Q0.31')
        #Set parameter value
        out, err = self.pfw.sendCmd("setParameter", self.param_name, value)
        assert err == None, log.E("when setting parameter %s : %s"
                                  % (self.param_name, err))
        assert out != "Done", log.F("PFW : Error not detected when setting parameter %s out of bounds"
                                     % (self.param_name))
        #Check parameter value on filesystem
        assert commands.getoutput('cat $PFW_FILESYSTEM/FP32_Q0.31') == param_check, log.F("FILESYSTEM : Forbiden parameter change")
        log.I("test OK")