From 7dcfa52230f6a048ba4c404d853cc491e59a3d67 Mon Sep 17 00:00:00 2001
From: ksagiyam <46749170+ksagiyam@users.noreply.github.com>
Date: Fri, 22 Nov 2024 11:29:14 +0000
Subject: [PATCH] test: add test for 0**{min_value, max_value} (#3855)

---
 tests/regression/test_assemble.py | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/tests/regression/test_assemble.py b/tests/regression/test_assemble.py
index 9ee0e1d9e7..bd8f020e60 100644
--- a/tests/regression/test_assemble.py
+++ b/tests/regression/test_assemble.py
@@ -334,3 +334,13 @@ def test_assemble_sparsity_diagonal_entries_for_bc():
     A = assemble(inner(u[1], v[0]) * dx, bcs=[bc], mat_type="nest")
     # Make sure that diagonals are allocated.
     assert np.all(A.M.sparsity[1][1].nnz == np.ones(4, dtype=IntType))
+
+
+@pytest.mark.skipcomplex
+def test_assemble_power_zero_minmax():
+    mesh = UnitSquareMesh(1, 1)
+    V = FunctionSpace(mesh, "CG", 1)
+    f = Function(V).assign(1.)
+    g = Function(V).assign(2.)
+    assert assemble(zero()**min_value(f, g) * dx) == 0.0
+    assert assemble(zero()**max_value(f, g) * dx) == 0.0