f = Piecewise((x**2, x < 2), (5, Eq(x, 2)), (10 - x, True))
plot_piecewise(f, (x, -2, 5))
# Expected:
## Plot object containing:
## [0]: cartesian line: x**2 for x over (-2, 1.99999900000000)
## [1]: 2D list plot
## [2]: cartesian line: 10 - x for x over (2.00000100000000, 5)
## [3]: 2D list plot
## [4]: 2D list plot