fix: unknown_coherent_unit fixed

test/unit_test/static/dimensions_concepts_test.cpp

@@ -58,7 +58,8 @@ static_assert(!Area<si::time<si::second>>);
 static_assert(Volume<si::volume<si::cubic_metre>>);
 static_assert(!Volume<si::area<si::square_metre>>);
 #if UNITS_DOWNCAST_MODE == 0
-static_assert(Volume<quantity<unknown_dimension<exponent<si::dim_length, 3>>, unknown_coherent_unit>>);
+static_assert(
+  Volume<quantity<unknown_dimension<exponent<si::dim_length, 3>>, unknown_coherent_unit<exponent<si::dim_length, 3>>>>);
 #endif
 
 static_assert(Speed<si::speed<si::metre_per_second>>);
@@ -68,21 +69,23 @@ static_assert(Acceleration<si::acceleration<si::metre_per_second_sq>>);
 static_assert(!Acceleration<si::time<si::second>>);
 #if UNITS_DOWNCAST_MODE == 0
 static_assert(Acceleration<quantity<unknown_dimension<exponent<si::dim_length, 1>, exponent<si::dim_time, -2>>,
-                                    unknown_coherent_unit>>);
+                                    unknown_coherent_unit<exponent<si::dim_length, 1>, exponent<si::dim_time, -2>>>>);
 #endif
 
 static_assert(Force<si::force<si::newton>>);
 static_assert(!Force<si::time<si::second>>);
 #if UNITS_DOWNCAST_MODE == 0
 // static_assert(Force<quantity<unknown_dimension<exponent<si::dim_length, 1>, exponent<si::dim_time, -2>,
-// exponent<si::dim_mass, 1>>, unknown_coherent_unit>>);
+// exponent<si::dim_mass, 1>>, unknown_coherent_unit<exponent<si::dim_length, 1>,
+// exponent<si::dim_time, -2>>>);
 #endif
 
 static_assert(Energy<si::energy<si::joule>>);
 static_assert(!Energy<si::time<si::second>>);
 #if UNITS_DOWNCAST_MODE == 0
 // static_assert(Energy<quantity<unknown_dimension<exponent<si::dim_mass, 1>, exponent<si::dim_length, 2>,
-// exponent<si::dim_time, -3>>, unknown_coherent_unit>>);
+// exponent<si::dim_time, -3>>, unknown_coherent_unit<exponent<si::dim_mass, 1>,
+// exponent<si::dim_length, 2>>>);
 #endif
 
 static_assert(Power<si::power<si::watt>>);