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test_tau.py
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test_tau.py
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from __future__ import division
import unittest
import tau
from math import sin, cos, tan, atan, pi
jit = tau.TauJIT(True, False, False, True)
class TauTester(unittest.TestCase):
def testParenHandling(self):
self.assertEqual(tau.lexer.findMatching("(45jf)(hgfd)", 0), 5)
self.assertEqual(tau.lexer.findMatching("(12/43.)-(24-3)", 0), 7)
self.assertEqual(tau.lexer.findMatching("(12/43.)-(2.*4)", 9), 14)
self.assertEqual(tau.lexer.findMatching("(23/34*2.3%4.)-3/(3.42-12.)*(True < 3.2)", 0), 13)
self.assertEqual(tau.lexer.findMatching("(23/34*2.3%4.)-3/(3.42-12.)*(True < 3.2)", 17), 26)
self.assertEqual(tau.lexer.findMatching("(23/34*2.3%4.)-3/(3.42-12.)*(True < 3.2)", 28), 39)
self.assertEqual(tau.lexer.findMatching("1+(23/(34*2)%4.)-(True)", 2), 15)
self.assertEqual(tau.lexer.findMatching("1+(23/(34*2)%4.)-(True)", 6), 11)
self.assertEqual(tau.lexer.findMatching("1+(23/(34*2)%4.)-(True)", 17), 22)
with self.assertRaises(ValueError):
tau.lexer.findMatching("(23/34*2.3%4.(-3/(3.42-12.)*(True < 3.2)", 0)
def testSameAsPython(self):
# Commands which should yield identical results as python
expressions = [
"3 + 435. # Test",
"24.-23/(5.3/2)*3.",
"True and False # + 15",
"34 / 4",
"31. < 8*5.-6.#24234",
"31. >= 8/6.",
"53. == 8/6.",
"12. == 24./2",
"453%33. #**2",
"93.2/3 - 12*3/2",
"23.**.243",
"4.**(2-4)",
"True and 3**.25 > 1"
"15 - (True/2.)#and False",
"(23/34*2.3%4.)-3/(3.42-12.)*(True < 3.2)",
"(23+(4/3)-(3)/(3.42+12) % 4*True)",
"False or 18/6 > 2.",
"5 < 4 and 27 >= 28-1.",
"sin(4.3) + cos(23.43)#sin(3.)",
"sin(4-3.)/tan(12.)",
"sin(43.**(5.%2.2)) - tan(.2**3)",
"6.*10**5",
"sin(atan(32.423-32.)/3.) + (12-True)"]
for e in expressions:
pythonResults = eval(e)
tauResults = jit.runCommand(e)
self.assertEqual(pythonResults, tauResults)
def testAssignment(self):
jit.runCommand("i = 23.")
tauResults = jit.runCommand("i")
self.assertEqual(tauResults, 23.)
tauResults = jit.runCommand("i = 2.\n\ni=i+1\ni")
self.assertEqual(tauResults, 3.)
tauResults = jit.runCommand("i += 2.\ni")
self.assertEqual(tauResults, 5.)
tauResults = jit.runCommand("i *= 2.\ni")
self.assertEqual(tauResults, 10.)
tauResults = jit.runCommand("i **= 2.\ni")
self.assertEqual(tauResults, 100.)
tauResults = jit.runCommand("i /= 30.-10.\ni")
self.assertEqual(tauResults, 5.)
tauResults = jit.runCommand("i %= 3.\ni")
self.assertEqual(tauResults, 2.)
tauResults = jit.runCommand("i2 = 15\ni2 //= 4\ni2")
self.assertEqual(tauResults, 3)
tauResults = jit.runCommand("i2 %= 2\ni2")
self.assertEqual(tauResults, 1)
def testIfWhile(self):
tauResults = jit.runCommand(
"k = 3\n"
"while k < 10:\n"
" k = k + 1\n"
" if k > 8:\n"
" k = k*2\n"
"k")
self.assertEqual(tauResults, 18)
def testUnary(self):
self.assertEqual(jit.runCommand("-3"), -3)
self.assertEqual(jit.runCommand("-3."), -3.)
self.assertEqual(jit.runCommand("2.*-3."), -6.)
self.assertEqual(jit.runCommand("2.*+3."), 6.)
self.assertEqual(jit.runCommand("2*-3."), -6.)
self.assertEqual(jit.runCommand("x4 = 2."), None)
self.assertEqual(jit.runCommand("-x4**-2 * 2."), .5)
self.assertEqual(jit.runCommand("-sin(-2.)"), -sin(-2))
self.assertEqual(jit.runCommand("-sin(+4.4)"), -sin(4.4))
def testCasting(self):
self.assertEqual(jit.runCommand("Int(3)"), 3)
self.assertEqual(jit.runCommand("Bool(3)"), True)
self.assertEqual(jit.runCommand("Real(Int(3)/2)**2"), 1.5**2)
def testFunctions(self):
results = jit.runCommand(
"def Real noArgs():\n"
" 25**3\n"
"noArgs()")
self.assertEqual(results, 25**3)
self.assertEqual(jit.runCommand("noArgs()"), 25**3)
results = jit.runCommand(
"def Real foo(Real x, Int y):\n"
" x = x - 3\n"
" y / x\n"
"cos(foo(sin(4.),8//3))")
self.assertEqual(results, 0.861607742935979)
jit.runCommand(
"def Int fibb(Int lim):\n"
" a = 0\n"
" b = 1\n"
" temp = 0\n"
" while a < lim:\n"
" temp = a + b\n"
" b = a\n"
" a = temp\n"
" a")
self.assertEqual(jit.runCommand("fibb(100)"), 144)
jit.runCommand(
"def Real computePi(Int n):\n"
" piApprox = 0.\n"
" for j in range(n):\n"
" piApprox += 4*(-1)**j / (2*j+1)\n"
" piApprox")
self.assertAlmostEqual(jit.runCommand("computePi(1000)"), pi, 2)
def testErrorChecking(self):
with self.assertRaises(ValueError):
jit.runCommand("x1 = stuff")
with self.assertRaises(ValueError):
jit.runCommand("x3 = 2.43 a")
with self.assertRaises(ValueError):
jit.runCommand("x4 = sin(2.43) 23432")
with self.assertRaises(ValueError):
jit.runCommand("print 3 x4 2")
def testArrayGeneration(self):
self.assertEqual(jit.runCommand("t1 = Int[30]"), None)
self.assertEqual(jit.runCommand("t1[2] = 3"), None)
self.assertEqual(jit.runCommand("t1[2]"), 3)
self.assertEqual(jit.runCommand("t1[3] = 2+t1[2]*3"), None)
self.assertEqual(jit.runCommand("t1[3]"), 11)
def testForLoops(self):
result = jit.runCommand(
"tot = 15.\n"
"for m in range(100):\n"
" tot += m*2.\n"
"tot")
self.assertEqual(result, 9915.)
def testArrays(self):
jit.runCommand("arr = [1, 2, 3, 4, 5]")
self.assertEqual(jit.runCommand("5-arr[3]"), 1)
jit.runCommand("arr = [5, 4, 3]")
self.assertEqual(jit.runCommand("arr[1]-5"), -1)
jit.runCommand("arrf = [1., 2, 3, 4, 5]")
self.assertEqual(jit.runCommand("5-arrf[3]"), 1.)
jit.runCommand("arrf = [5., 4, 3]")
self.assertEqual(jit.runCommand("arrf[1]-5"), -1.)
self.assertEqual(jit.runCommand("[4., 3., 6.][1]-5"), -2.)
jit.runCommand("arrf[1] = 3")
self.assertEqual(jit.runCommand("arrf[1]"), 3.)
jit.runCommand("arrf[1] += 3")
self.assertEqual(jit.runCommand("arrf[1]"), 6.)
def testIndentingErrors(self):
with self.assertRaises(ValueError):
jit.runCommand("for j in range(20):\n print j")
with self.assertRaises(ValueError):
jit.runCommand("for j in range(20):\n print j")
with self.assertRaises(ValueError):
jit.runCommand("for l in range(20):\nprint l")
jit.runCommand("k = 5")
with self.assertRaises(ValueError):
jit.runCommand("if k < 10:\nprint l")
with self.assertRaises(ValueError):
jit.runCommand("if k < 10:\n print l")
with self.assertRaises(ValueError):
jit.runCommand("if k < 10:\n print l")
with self.assertRaises(ValueError):
jit.runCommand("while k < 10:\nk += 1")
with self.assertRaises(ValueError):
jit.runCommand("while k < 10:\n k += 1")
with self.assertRaises(ValueError):
jit.runCommand("while k < 10:\n k += 1")
with self.assertRaises(ValueError):
jit.runCommand("def Real failFunction1(Int n):\n1.0")
with self.assertRaises(ValueError):
jit.runCommand("def Real failFunction2(Int n):\n 1.0")
with self.assertRaises(ValueError):
jit.runCommand("def Real failFunction3(Int n):\n 1.0")
if __name__ == "__main__":
unittest.main()