diff --git a/src/lib/mathlib/math/FunctionsTest.cpp b/src/lib/mathlib/math/FunctionsTest.cpp
index a8c2315419..8788651f26 100644
--- a/src/lib/mathlib/math/FunctionsTest.cpp
+++ b/src/lib/mathlib/math/FunctionsTest.cpp
@@ -224,3 +224,17 @@ TEST(FunctionsTest, countSetBits)
 	EXPECT_EQ(countSetBits(0xffffffffu), 32);
 	EXPECT_EQ(countSetBits(754323), 9);
 }
+
+TEST(FunctionsTest, isFiniteVector3f)
+{
+	EXPECT_TRUE(isFinite(matrix::Vector3f()));
+	EXPECT_TRUE(isFinite(matrix::Vector3f(0.f, 1.f, 2.f)));
+	EXPECT_FALSE(isFinite(matrix::Vector3f(0.f, 0.f, INFINITY)));
+	EXPECT_FALSE(isFinite(matrix::Vector3f(0.f, 0.f, NAN)));
+	EXPECT_FALSE(isFinite(matrix::Vector3f(0.f, NAN, 0.f)));
+	EXPECT_FALSE(isFinite(matrix::Vector3f(0.f, NAN, NAN)));
+	EXPECT_FALSE(isFinite(matrix::Vector3f(NAN, 0.f, 0.f)));
+	EXPECT_FALSE(isFinite(matrix::Vector3f(NAN, 0.f, NAN)));
+	EXPECT_FALSE(isFinite(matrix::Vector3f(NAN, NAN, 0.f)));
+	EXPECT_FALSE(isFinite(matrix::Vector3f(NAN, NAN, NAN)));
+}