mirror of
https://github.com/pocketpy/pocketpy
synced 2025-10-31 00:40:16 +00:00
98 lines
1.7 KiB
Python
98 lines
1.7 KiB
Python
def eq(a, b):
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dt = a - b
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return dt > -0.001 and dt < 0.001
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# test == != >= <= < >
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assert 1.0 == 1.0
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assert 1.0 != 1.1
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assert 1.0 >= 1.0
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assert 1.0 <= 1.0
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assert 1.0 < 1.1
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assert 1.1 > 1.0
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# test + - * ** /
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assert eq(1.5 + 3, 4.5)
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assert eq(1.5 + 3.9, 5.4)
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assert eq(5.3 - 2.5, 2.8)
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assert eq(0.2**2, 0.04)
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assert eq(4**(-1.0), 0.25)
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assert eq(2/1, 2.0)
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assert eq(3/2.0, 1.5)
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assert eq(1/9, 0.11111)
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# test += -= *= /=
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x = 3.0
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x += 1
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assert eq(x, 4.0)
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x -= 1
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assert eq(x, 3.0)
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x *= 2
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assert eq(x, 6.0)
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x /= 1.8
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assert eq(x, 3.3333)
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# test __str__, __repr__
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assert str(1.0) == '1.0'
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assert repr(1.0) == '1.0'
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# test float()
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assert float() == 0.0
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assert float(True) == 1.0
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assert float(False) == 0.0
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assert float(1) == 1.0
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assert float(-2) == -2.0
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assert eq(float(1), 1.0)
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assert eq(float(1.0), 1.0)
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assert eq(float(1.1), 1.1)
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assert eq(float(1.9), 1.9)
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assert eq(float(-1.9), -1.9)
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assert eq(float(1.5), 1.5)
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assert eq(float(-1.5), -1.5)
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assert eq(float("123"), 123.0)
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assert eq(float("123.456"), 123.456)
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import math
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inf = float("inf")
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assert 1/0 == inf
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assert -1/0 == -inf
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assert 1/inf == 0
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assert -1/inf == 0
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assert math.isnan(0/0)
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assert 2**-6000 == 0.0
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assert 2.0 ** 6000 == inf
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assert (-2.0) ** 6001 == -inf
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# test .123 forms
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assert float(".123") == 0.123
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assert .123 == 0.123
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assert eq(.5 *2, 1.0)
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assert eq(2 * .5, 1.0)
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assert eq(2 * (.5), 1.0)
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assert eq(2 * (.5 + 1), 3.0)
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assert 1e3 == 1000.0
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assert 1e-3 == 0.001
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assert -1e3 == -1000.0
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assert -1e-3 == -0.001
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assert 1e0 == 1.0
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assert 1e-0 == 1.0
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assert 2e3 == 2000.0
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assert 2e3j == 2000j
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assert -2e-3 == -0.002
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assert -2e-3j == -0.002j
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assert 3.4e-3 == 0.0034
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assert 3.4e+3 == 3400.0
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try:
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float('-x13')
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exit(1)
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except ValueError:
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pass
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