125 lines
3.7 KiB
Python
125 lines
3.7 KiB
Python
#!/usr/bin/python
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from math import floor, log
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from os import environ
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from random import randint
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from subprocess import Popen, PIPE, run
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u8 = {'sz': 1 << 8, 'fmt': b'%02x'}
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u16 = {'sz': 1 << 16, 'fmt': b'%04x'}
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z16 = {'sz': 1 << 16, 'fmt': b'%04x'}
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def eq(got, expected):
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return got == expected
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def booleq(got, expected):
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return bool(got) == bool(expected)
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def releq(got, expected):
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if (expected - 1) <= got and got <= (expected + 1):
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return True
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else:
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error = abs(got - expected) / (abs(expected) + 0.001)
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return error < 0.01
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def testcase(p, sym, args, out, f, eq):
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vals = []
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for name, g in args:
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val = randint(0, g['sz'] - 1)
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while val == 0 and g is z16:
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val = randint(0, g['sz'] - 1)
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vals.append((name, g, val))
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#vals = [(name, g, randint(0, g['sz'] - 1)) for (name, g) in args]
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p.stdin.write(sym)
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for _, g, x in vals:
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p.stdin.write(g['fmt'] % x)
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p.stdin.write(b'\n')
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p.stdin.flush()
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got = int(p.stdout.readline().strip().decode('utf-8'), 16)
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xs = [x for _, _, x in vals]
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z = f(*xs)
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expected = z
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if eq(got, expected):
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return None
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else:
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res = {'got': got, 'expected': expected}
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for name, _, x in vals:
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res[name] = x
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return res
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def test(p, trials, sym, args, out, f, eq=eq):
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fails = 0
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cases = []
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for i in range(0, trials):
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case1 = testcase(p, sym, args, out, f, eq)
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if case1 is not None:
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fails += 1
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cases.append(case1)
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name = sym.decode('utf-8')
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if fails == 0:
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print('%s passed %d trials' % (name, trials))
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else:
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print('%s failed %d/%d trials (%r)' % (name, fails, trials, cases))
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def pipe():
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return Popen(['uxncli', 'run.rom'], stdin=PIPE, stdout=PIPE)
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def x16_add(x, y):
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return (x + y) % 65536
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def x16_sub(x, y):
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return (x - y) % 65536
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def x16_mul(x, y):
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return ((x * y) // 256) % 65536
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def x16_div(x, y):
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return ((x * 256) // y) % 65536
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def x16_quot(x, y):
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return x16_div(x, y) & 0xff00
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def x16_rem(x, y):
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return x % y
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def x16_is_whole(x):
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return int((x & 0xff) == 0)
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def x16_negate(x):
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if x == 32768 or x == 0:
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return x
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else:
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return 65536 - x
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def x16_eq(x, y):
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return x == y
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def x16_ne(x, y):
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return x != y
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def tosigned(x):
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return x if x < 32768 else x - 65536
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def x16_lt(x, y):
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return int(tosigned(x) < tosigned(y))
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def x16_gt(x, y):
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return int(tosigned(x) > tosigned(y))
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def x16_lteq(x, y):
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return int(tosigned(x) <= tosigned(y))
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def x16_gteq(x, y):
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return int(tosigned(x) >= tosigned(y))
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def main():
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trials = 100000
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run(['uxnasm', 'test-fix16.tal', 'run.rom'])
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p = pipe()
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test(p, trials, b'+', [('x', u16), ('y', u16)], u16, x16_add)
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test(p, trials, b'-', [('x', u16), ('y', u16)], u16, x16_sub)
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test(p, trials, b'*', [('x', u16), ('y', u16)], u16, x16_mul)
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test(p, trials, b'/', [('x', u16), ('y', z16)], u16, x16_div, eq=releq)
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test(p, trials, b'\\', [('x', u16), ('y', z16)], u16, x16_quot)
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test(p, trials, b'%', [('x', u16), ('y', z16)], u16, x16_rem)
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test(p, trials, b'w', [('x', u16)], u8, x16_is_whole, eq=booleq)
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test(p, trials, b'N', [('x', u16)], u16, x16_negate)
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test(p, trials, b'=', [('x', u16), ('y', u16)], u8, x16_eq)
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test(p, trials, b'!', [('x', u16), ('y', u16)], u8, x16_ne)
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test(p, trials, b'<', [('x', u16), ('y', u16)], u8, x16_lt)
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test(p, trials, b'>', [('x', u16), ('y', u16)], u8, x16_gt)
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test(p, trials, b'{', [('x', u16), ('y', u16)], u8, x16_lteq)
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test(p, trials, b'}', [('x', u16), ('y', u16)], u8, x16_gteq)
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p.stdin.write(b'\n\n')
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p.stdin.flush()
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p.stdin.close()
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p.stdout.close()
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p.kill()
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if __name__ == "__main__":
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main()
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