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src/sbml2symbolics.jl

+
 @register Base.factorial(x)  # Todo: remove this line once factorial is registered per default
 
 function parse_piecewise(val, cond, other)

test/sbml2symbolics.jl

+
+@testset "Math to Symbolics conversions" begin
+    A = Symbolics.Variable(Symbol("A"))
+    B = Symbolics.Variable(Symbol("B"))
+    C = Symbolics.Variable(Symbol("C"))
+    D = Symbolics.Variable(Symbol("D"))
+    E = Symbolics.Variable(Symbol("E"))
+
+    test = SBML.MathApply("*", SBML.Math[
+        SBML.MathApply("+", SBML.Math[
+            SBML.MathApply("*", SBML.Math[
+                SBML.MathIdent("A"),
+                SBML.MathIdent("B")]),
+            SBML.MathApply("-", SBML.Math[
+                SBML.MathApply("*", SBML.Math[
+                    SBML.MathIdent("C"),
+                    SBML.MathIdent("D")])])]),           
+        SBML.MathIdent("E")])
+
+    expr_true = (A*B - C*D) * E
+    ex = convert(Num,test)
+    @test isequal(convert(Num,test), expr_true)
+end
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