def test_sut_sample_oracle():
"""
Use sample oracle to test the SUT.
"""
assert_almost_equal(sut_sin( 0.0), 0.0)
assert_almost_equal(sut_sin( 90.0), 1.0)
assert_almost_equal(sut_sin(180.0), 0.0)
assert_almost_equal(sut_sin(270.0),-1.0)
assert_almost_equal(sut_sin(360.0), 0.0)
def draw_chart():
"""Draws sample chart"""
title("Sample SUT sin(x)")
xlabel('Angle')
ylabel('sin(x)')
x = xrange(0, 361)
y = [sut_sin(i) for i in x]
plot(x, y, linewidth=1.0, color='b')
axes().axis([0, None, None, None])
axis('tight')
#linestyle '--', '-.', ':', '_'
grid(True, color='grey', alpha=0.25, linestyle=':')
#legend(loc=0) # 0 for optimized legend placement
savefig(basename(__file__).split('.')[0]+'.png')