1 files changed, 17 insertions, 0 deletions
diff --git a/tests/float/math_constants_extra.py b/tests/float/math_constants_extra.py
new file mode 100644
index 0000000000..dea49aef5a
--- /dev/null
+++ b/tests/float/math_constants_extra.py
@@ -0,0 +1,17 @@
+# Tests constants of the math module available only with MICROPY_PY_MATH_CONSTANTS.
+try:
+    import math
+    from math import isnan
+
+    math.tau
+except (ImportError, AttributeError):
+    print("SKIP")
+    raise SystemExit
+
+print(math.tau == 2.0 * math.pi)
+
+print(math.inf == float("inf"))
+print(-math.inf == -float("inf"))
+
+print(isnan(math.nan))
+print(isnan(-math.nan))