add more values for Roe test -- exposed another bug

test.py

@@ -14,19 +14,29 @@ import setup_fixtures as setup
 import kernel_fixtures as kernel
 import comparison_fixtures as compare
 
-
-def test_roe_uniform_grid(ctx_factory):
+@pytest.mark.parametrize("states_str,fluxes_str,direction", [
+    ("2 1,4 1,4 1,4 1,20 5.5", "4 1,11.2 2.6,8 1,8 1,46.4 7.1", "x"),
+    ("2 1,4 1,4 1,4 1,20 5.5", "4 1,8 1,11.2 2.6,8 1,46.4 7.1", "y"),
+    ("2 1,4 1,4 1,4 1,20 5.5", "4 1,8 1,8 1,11.2 2.6,46.4 7.1", "z"),
+    ("1 2,-1 -4,-1 -4,-1 -4,5.5 20", "-1 -4,2.6 11.2,1 8,1 8,-7.1 -46.4", "x"),
+    ("1 2,-1 -4,-1 -4,-1 -4,5.5 20", "-1 -4,1 8,2.6 11.2,1 8,-7.1 -46.4", "y"),
+    ("1 2,-1 -4,-1 -4,-1 -4,5.5 20", "-1 -4,1 8,1 8,2.6 11.2,-7.1 -46.4", "z"),
+    ("2 1,4 1,8 2,12 3,64 11", "4 1,11.2 2.6,16 2,24 3,134.4 12.6", "x"),
+    ("2 1,4 1,8 2,12 3,64 11", "8 2,16 2,35.2 5.6,48 6,268.8 25.2", "y"),
+    ("2 1,4 1,8 2,12 3,64 11", "12 3,24 3,48 6,75.2 10.6,403.2 37.8", "z")
+    ])
+def test_roe_uniform_grid(ctx_factory, states_str, fluxes_str, direction):
     queue = device.get_queue(ctx_factory)
     prg = program.get_weno()
 
-    params = setup.roe_params(nvars=5, ndim=3, direction="x")
-    states = setup.array_from_string("2 1,4 1,4 1,4 1,20 5.5")
+    params = setup.roe_params(nvars=5, ndim=3, direction=direction)
+    states = setup.array_from_string(states_str)
     metrics_frozen = setup.identity(params.ndim)
     R, Rinv, lam = kernel.roe_eigensystem(queue, prg, params, states, metrics_frozen)
 
     compare.roe_identity(states, R, Rinv)
 
-    fluxes = setup.array_from_string("4 1,11.2 2.6,8 1,8 1,46.4 7.1")
+    fluxes = setup.array_from_string(fluxes_str)
     compare.roe_property(states, fluxes, R, Rinv, lam)