Finished umath, urandom, and uselect

diagnostics/os_diagnostics.py

@@ -2,6 +2,8 @@ from pybricks.parameters import Port
 from uerrno import EAGAIN, EBUSY, ECANCELED, EINVAL, EIO, ENODEV, EOPNOTSUPP, EPERM, ETIMEDOUT
 import uio
 import ujson
+import urandom
+from urandom import random
 from pybricks.iodevices import UARTDevice as _UARTDevice
 from pybricks.tools import wait, multitask, run_task
 
@@ -47,7 +49,7 @@ class OSDiagnostics:
         self.motorclass = motorclass
         self.successfultests = 0
         self.failedtests = {}
-    def testUerrno(self):
+    def testUErrno(self):
         uerrnotestobject = UerrnoTest(self.hub, self.motorclass)
         uerrnotestobject.testeagain()
         uerrnotestobject.testebusy()
@@ -76,7 +78,29 @@ class OSDiagnostics:
         umathtestobject.print_results()
         self.successfultests += umathtestobject.successfultests
         self.failedtests.update(umathtestobject.failedtests)
+    def testURandom(self):
+        urandtestobject = URandomTest(self.hub, self.motorclass)
+        urandtestobject.print_results()
+        self.successfultests += urandtestobject.successfultests
+        self.failedtests.update(urandtestobject.failedtests)
 
+    def testUSelect(self):
+        uselecttestobject = USelectTest(self.hub, self.motorclass)
+        uselecttestobject.print_results()
+        self.successfultests += uselecttestobject.successfultests
+        self.failedtests.update(uselecttestobject.failedtests)
+
+    def testUStruct(self):
+        ustructtestobject = UStructTest(self.hub, self.motorclass)
+        ustructtestobject.print_results()
+        self.successfultests += ustructtestobject.successfultests
+        self.failedtests.update(ustructtestobject.failedtests)
+
+    def testUSys(self):
+        usystestobject = USysTest(self.hub, self.motorclass)
+        usystestobject.print_results()
+        self.successfultests += usystestobject.successfultests
+        self.failedtests.update(usystestobject.failedtests)
     
 
 class UerrnoTest:
@@ -431,7 +455,395 @@ class UMathTest:
         self.successfultests = 0
         self.failedtests = {}
     def test_math(self):
+        if(umath.ceil(87.21) == 88):
+            self.successfultests += 1
+        else:
+            self.failedtests["ceilpos"] = "Failed"
+
+        if(umath.floor(14.61) == 14):
+            self.successfultests += 1
+        else:
+            self.failedtests["floorpos"] = "Failed"
+
+        if(umath.ceil(-87.21) == -87):
+            self.successfultests += 1
+        else:
+            self.failedtests["ceilneg"] = "Failed"
+            
+        if(umath.floor(-14.61) == -15):
+            self.successfultests += 1
+        else:
+            self.failedtests["floorneg"] = "Failed"
+            
+        if(umath.trunc(33.22) == 33):
+            self.successfultests += 1
+        else:
+            self.failedtests["truncpos"] = "Failed"
+
+        if(umath.trunc(-33.22) == -33):
+            self.successfultests += 1
+        else:
+            self.failedtests["truncneg"] = "Failed"
+
+        if(umath.fmod(6040, 3) == 1):
+            self.successfultests += 1
+        else:
+            self.failedtests["fmod"] = "Failed"
+            
+        if(umath.fabs(88273) == 88273):
+            self.successfultests += 1
+        else:
+            self.failedtests["fabspos"] = "Failed"
         
+        if(umath.fabs(-27482) == 27482):
+            self.successfultests += 1
+        else:
+            self.failedtests["fabsneg"] = "Failed"
+        
+        if(umath.fabs(-2742.233) == 2742.233):
+            self.successfultests += 1
+        else:
+            self.failedtests["fabsflt"] = "Failed"
+
+        if(umath.copysign(3928, -182) == -3928):
+            self.successfultests += 1
+        else:
+            self.failedtests["copysign"] = "Failed"
+
+        if(umath.exp(umath.log(1)) == 1):
+            self.successfultests += 2
+        else:
+            self.failedtests["eexp"] = "Failed"
+            self.failedtests["ln"] = "Failed"
+        print(umath.e)
+        print("\n")
+        if(input("Press Y and press enter if the value displayed above is around 2.718282. Type N and press Enter if it is not:") == "Y"):
+            self.successfultests += 1
+        else:
+            self.failedtests["e"] = "Failed"
+
+        if(umath.pow(19, 7) == 893871739):
+            self.successfultests += 1
+        else:
+            self.failedtests["pow"] = "Failed"
+
+        if(umath.sqrt(242064) == 492):
+            self.successfultests += 1
+        else:
+            self.failedtests["sqrt"] = "Failed"
+
+        print(umath.pi)
+        print("\n")
+        if(input("Press Y and press enter if the value displayed above is around 3.14159265. Type N and press Enter if it is not:") == "Y"):
+            self.successfultests += 1
+        else:
+            self.failedtests["pi"] = "Failed"
+
+        EPSILON = 1e-9
+        if abs(umath.degrees(umath.pi * 3) - 540) < EPSILON:
+            self.successfultests += 1
+        else:
+            self.failedtests["degrees"] = "Failed"
+
+        if abs(umath.radians(270) - umath.pi * 1.5) < EPSILON:
+            self.successfultests += 1
+        else:
+            self.failedtests["radians"] = "Failed"
+
+        if(abs(umath.sin(umath.pi)) < EPSILON):
+            self.successfultests += 1
+        else:
+            self.failedtests["sin"] = "Failed"
+            
+        if(abs(umath.asin(1) - umath.pi * 0.5) < EPSILON):
+            self.successfultests += 1
+        else:
+            self.failedtests["asin"] = "Failed"
+
+        if(abs(umath.cos(umath.pi) + 1) < EPSILON):
+            self.successfultests += 1
+        else:
+            self.failedtests["cos"] = "Failed"
+            
+        if(abs(umath.acos(1)) < EPSILON):
+            self.successfultests += 1
+        else:
+            self.failedtests["acos"] = "Failed"
+
+        if(abs(umath.tan(umath.pi)) < EPSILON):
+            self.successfultests += 1
+        else:
+            self.failedtests["tan"] = "Failed"
+            
+        if(abs(umath.atan(1) - umath.pi * 0.25) < EPSILON):
+            self.successfultests += 1
+        else:
+            self.failedtests["atan"] = "Failed"
+
+        if(abs(umath.atan2(1, -1) - umath.pi * 0.75) < EPSILON):
+            self.successfultests += 1
+        else:
+            self.failedtests["atan2"] = "Failed"
+
+        infinitenum = float('inf')
+        finitenum = 123456
+        if(umath.isfinite(finitenum) == True):
+            self.successfultests += 1
+        else:
+            self.failedtests["isfinitefinite"] = "Failed"
+
+        if(umath.isfinite(infinitenum) == False):
+            self.successfultests += 1
+        else:
+            self.failedtests["isfiniteinfinite"] = "Failed"
+
+        if(umath.isinfinite(finitenum) == False):
+            self.successfultests += 1
+        else:
+            self.failedtests["isinfinitefinite"] = "Failed"
+
+        if(umath.isinfinite(infinitenum) == True):
+            self.successfultests += 1
+        else:
+            self.failedtests["isinfiniteinfinite"] = "Failed"
+        nannum = float("nan")
+
+        if(umath.isnan(nannum) == True):
+            self.successfultests += 1
+        else:
+            self.failedtests["isnannan"] = "Failed"
+
+        if(umath.isnan(finitenum) == False):
+            self.successfultests += 1
+        else:
+            self.failedtests["isnannotnan"] = "Failed"
+
+        frac, integer = umath.modf(87.21)
+        if integer == 87.0 and abs(frac - 0.21) < EPSILON:
+            self.successfultests += 1
+        else:
+            self.failedtests["modf"] = "Failed"
+
+        mantissa, exponent = umath.frexp(64)
+        if mantissa == 0.5 and exponent == 7:
+            self.successfultests += 1
+        else:
+            self.failedtests["frexp"] = "Failed"
+
+        result = umath.ldexp(0.5, 7)
+        if result == 64:
+            self.successfultests += 1
+        else:
+            self.failedtests["ldexp"] = "Failed"   
+    def print_results(self):
+        self.test_math()
+        print(f"\n=== Results: {self.successfultests}/34 tests passed ===")
+        if self.failedtests:
+            print("Failed tests:")
+            for key, value in self.failedtests.items():
+                print(f"  {key}: {value}")
+class URandomTest:
+    def __init__(self, hub, motorclass):
+        self.hub = hub
+        self.motorclass = motorclass
+        self.successfultests = 0
+        self.failedtests = {}
+    def testrandom(self):
+        NUM_SAMPLES = 1000000
+        NUM_BUCKETS = 10
+        CHART_WIDTH = 50
+        SAMPLE_PEEK = 20
+
+        samples = [random() for _ in range(NUM_SAMPLES)]
+
+        bucket_counts = [0] * NUM_BUCKETS
+        for x in samples:
+            i = int(x * NUM_BUCKETS)
+            if i == NUM_BUCKETS:
+                i -= 1
+            bucket_counts[i] += 1
+
+        mean = sum(samples) / NUM_SAMPLES
+        ideal = NUM_SAMPLES / NUM_BUCKETS
+        max_count = max(bucket_counts)
+
+        print("=" * 66)
+        print("  random() distribution test   n=" + str(NUM_SAMPLES))
+        print("=" * 66)
+        print("")
+        print("  Range          Count  Bar")
+        print("  -------------- -----  " + "-" * CHART_WIDTH)
+
+        for i in range(NUM_BUCKETS):
+            lo = i / NUM_BUCKETS
+            hi = (i + 1) / NUM_BUCKETS
+            count = bucket_counts[i]
+            bar = round(count / max_count * CHART_WIDTH)
+            dev = abs(count - ideal) / ideal
+            if dev <= 0.10:
+                marker = "#"
+            elif dev <= 0.20:
+                marker = "+"
+            else:
+                marker = "."
+            lo_str = "{:.2f}".format(lo)
+            hi_str = "{:.2f}".format(hi)
+            count_str = str(count).rjust(10)
+            print("  " + lo_str + " - " + hi_str + "  " + count_str + "  " + marker * bar)
+
+        print("")
+        print("  Samples : " + str(NUM_SAMPLES))
+        print("  Mean    : " + "{:.6f}".format(mean) + "  (ideal 0.500000)")
+        print("  Min     : " + "{:.6f}".format(min(samples)))
+        print("  Max     : " + "{:.6f}".format(max(samples)))
+        print("  Legend  : # within 10%   + within 20%   . beyond 20%")
+        print("")
+        print("  First " + str(SAMPLE_PEEK) + " raw values:")
+
+        row = "  "
+        for idx, val in enumerate(samples[:SAMPLE_PEEK], 1):
+            row += "{:.4f}  ".format(val)
+            if idx % 5 == 0:
+                print(row)
+                row = "  "
+        if row.strip():
+            print(row)
+
+        print("")
+        if(abs(0.5 - mean) < 0.02):
+            print("Random Distribution Test: SUCCESSFUL")
+            self.successfultests += 1
+        else:
+            print("Random Distribution Test: FAILED")
+            self.failedtests["randomdistribution"] = "Too much error"
+    def test_other_rands(self):
+        N = 1000
+        choicelist = ["apple", "banana", "grape", "orange"]
+
+        randint_vals = [urandom.randint(1, 100) for _ in range(N)]
+        randint_mean = sum(randint_vals) / N
+        print("Randint mean (ideally 50.5): {:.4f}".format(randint_mean))
+        if abs(50.5 - randint_mean) < 1.0:
+            print("Randint Test: SUCCESSFUL")
+            self.successfultests += 1
+        else:
+            print("Randint Test: FAILED")
+            self.failedtests["randint"] = "Too much error"
+
+        getrandbits_vals = [urandom.getrandbits(7) for _ in range(N)]
+        getrandbits_mean = sum(getrandbits_vals) / N
+        print("Getrandbits(7) mean (ideally 63.5): {:.4f}".format(getrandbits_mean))
+        if abs(63.5 - getrandbits_mean) < 1.3:
+            print("Getrandbits Test: SUCCESSFUL")
+            self.successfultests += 1
+        else:
+            print("Getrandbits Test: FAILED")
+            self.failedtests["getrandbits"] = "Too much error"
+
+        randrange_vals = [urandom.randrange(1, 1001, 4) for _ in range(N)]
+        randrange_mean = sum(randrange_vals) / N
+        print("Randrange(1,1001,4) mean (ideally 501.0): {:.4f}".format(randrange_mean))
+        if abs(501.0 - randrange_mean) < 10.0:
+            print("Randrange Test: SUCCESSFUL")
+            self.successfultests += 1
+        else:
+            print("Randrange Test: FAILED")
+            self.failedtests["randrange"] = "Too much error"
+
+        uniform_vals = [urandom.uniform(1, 10) for _ in range(N)]
+        uniform_mean = sum(uniform_vals) / N
+        print("Uniform(1,10) mean (ideally 5.5): {:.4f}".format(uniform_mean))
+        if abs(5.5 - uniform_mean) < 0.09:
+            print("Uniform Test: SUCCESSFUL")
+            self.successfultests += 1
+        else:
+            print("Uniform Test: FAILED")
+            self.failedtests["uniform"] = "Too much error"
+
+        choice_counts = {}
+        for item in choicelist:
+            choice_counts[item] = 0
+        for _ in range(N):
+            choice_counts[urandom.choice(choicelist)] += 1
+        ideal_pct = 100.0 / len(choicelist)
+        print("Choice distribution (ideally {:.1f}% each):".format(ideal_pct))
+        choice_ok = True
+        for item in choicelist:
+            pct = choice_counts[item] / N * 100
+            print("  " + item + ": {:.1f}%".format(pct))
+            if abs(pct - ideal_pct) > 5.0:
+                choice_ok = False
+        if choice_ok:
+            print("Choice Test: SUCCESSFUL")
+            self.successfultests += 1
+        else:
+            print("Choice Test: FAILED")
+            self.failedtests["choice"] = "Too much error"
+    def print_results(self):
+        self.testrandom()
+        self.test_other_rands()
+        print(f"\n=== Results: {self.successfultests}/6 tests passed ===")
+        if self.failedtests:
+            print("Failed tests:")
+            for key, value in self.failedtests.items():
+                print(f"  {key}: {value}")
+
+class USelectTest:
+    def __init__(self, hub, motorclass):
+        self.hub = hub
+        self.motorclass = motorclass
+        self.successfultests = 0
+        self.failedtests = {}
+
+    def print_results(self):
+        # Register the standard input so we can read keyboard presses.
+        keyboard = poll()
+        keyboard.register(stdin)
+        print("Type a few keys, make sure you get back what characteryou typed, then press Escape.")
+        while True:
+            # Check if a key has been pressed.
+            if keyboard.poll(0):
+
+                # Read the key and print it.
+                key = stdin.read(1)
+                if key == '\x1b':
+                    print("Escape key pressed. Exiting...")
+                    break
+                else:
+                    print("Pressed:", key)
+        if(input("Input Y if the results were accurate:") == "Y"):
+            print(f"\n=== Results: 1/1 tests passed ===")
+            self.successfultests += 1
+        else:
+            self.failedtests["input"] = "Unsatisfied"
+            if self.failedtests:
+                print("Failed tests:")
+                for key, value in self.failedtests.items():
+                    print(f"  {key}: {value}")
+
+
+class UStructTest:
+    def __init__(self, hub, motorclass):
+        self.hub = hub
+        self.motorclass = motorclass
+        self.successfultests = 0
+        self.failedtests = {}
+
+    def print_results(self):
+        print(f"\n=== Results: {self.successfultests}/0 tests passed ===")
+        if self.failedtests:
+            print("Failed tests:")
+            for key, value in self.failedtests.items():
+                print(f"  {key}: {value}")
+
+
+class USysTest:
+    def __init__(self, hub, motorclass):
+        self.hub = hub
+        self.motorclass = motorclass
+        self.successfultests = 0
+        self.failedtests = {}
+
     def print_results(self):
         print(f"\n=== Results: {self.successfultests}/0 tests passed ===")
         if self.failedtests: