micropython: add micropython component

components/language/micropython/tests/float/float1.py

@@ -0,0 +1,121 @@
+# test basic float capabilities
+
+# literals
+print(0.12)
+print(1.0)
+print(1.2)
+print(0e0)
+print(0e0)
+print(0e-0)
+
+# float construction
+print(float(1.2))
+print(float("1.2"))
+print(float("+1"))
+print(float("1e1"))
+print(float("1e+1"))
+print(float("1e-1"))
+print(float("inf"))
+print(float("-inf"))
+print(float("INF"))
+print(float("infinity"))
+print(float("INFINITY"))
+print(float("nan"))
+print(float("-nan"))
+print(float("NaN"))
+try:
+    float("")
+except ValueError:
+    print("ValueError")
+try:
+    float("1e+")
+except ValueError:
+    print("ValueError")
+try:
+    float("1z")
+except ValueError:
+    print("ValueError")
+
+# construct from something with the buffer protocol
+print(float(b"1.2"))
+print(float(bytearray(b"3.4")))
+
+# unary operators
+print(bool(0.0))
+print(bool(1.2))
+print(+(1.2))
+print(-(1.2))
+
+# division of integers
+x = 1 / 2
+print(x)
+
+# /= operator
+a = 1
+a /= 2
+print(a)
+
+# floor division
+print(1.0 // 2)
+print(2.0 // 2)
+
+# comparison
+print(1.2 <= 3.4)
+print(1.2 <= -3.4)
+print(1.2 >= 3.4)
+print(1.2 >= -3.4)
+print(0.0 == False, 1.0 == True)
+print(False == 0.0, True == 1.0)
+
+# comparison of nan is special
+nan = float("nan")
+print(nan == 1.2)
+print(nan == nan)
+
+try:
+    1.0 / 0
+except ZeroDivisionError:
+    print("ZeroDivisionError")
+
+try:
+    1.0 // 0
+except ZeroDivisionError:
+    print("ZeroDivisionError")
+
+try:
+    1.2 % 0
+except ZeroDivisionError:
+    print("ZeroDivisionError")
+
+try:
+    0.0**-1
+except ZeroDivisionError:
+    print("ZeroDivisionError")
+
+# unsupported unary ops
+
+try:
+    ~1.2
+except TypeError:
+    print("TypeError")
+
+try:
+    1.2 in 3.4
+except TypeError:
+    print("TypeError")
+
+# small int on LHS, float on RHS, unsupported op
+try:
+    print(1 | 1.0)
+except TypeError:
+    print("TypeError")
+
+# can't convert list to float
+try:
+    float([])
+except TypeError:
+    print("TypeError")
+
+# test constant float with more than 255 chars
+x = 1.84728699436059052516398251149631771898472869943605905251639825114963177189847286994360590525163982511496317718984728699436059052516398251149631771898472869943605905251639825114963177189847286994360590525163982511496317718984728699436059052516398251149631771898472869943605905251639825114963177189
+print("%.5f" % x)