public void ParseMethodName()
{
(string, int, string[]) Parse(string managedMethodName)
{
ManagedNameParser.ParseManagedMethodName(managedMethodName, out var method, out var arity, out var parameterTypes);
return(method, arity, parameterTypes);
}
void AssertParse(string expectedMethod, int expectedArity, string[] expectedParams, string expression)
{
var(method, arity, parameters) = Parse(expression);
Assert.AreEqual(expectedMethod, method);
Assert.AreEqual(expectedArity, arity);
CollectionAssert.AreEqual(expectedParams, parameters, "parameter comparison");
}
Assert.AreEqual(("Method", 0, null), Parse("Method"));
Assert.AreEqual(("Method", 0, null), Parse("Method()"));
Assert.AreEqual(("Method<A,B>", 2, null), Parse("Method<A,B>`2()"));
AssertParse("Method", 0, new string[] { "System.Int32" }, "Method(System.Int32)");
AssertParse("Method", 0, new string[] { "TypeA", "List<B>" }, "Method(TypeA,List<B>)");
AssertParse("Method", 1, new string[] { "B", "List<B>" }, "Method`1(B,List<B>)");
AssertParse("Method", 0, new string[] { "B[]" }, "Method(B[])");
AssertParse("Method", 0, new string[] { "A[,]", "B[,,][]" }, "Method(A[,],B[,,][])");
}
public void ParseInvalidMethodName()
{
(string, int, string[]) Parse(string methodName)
{
ManagedNameParser.ParseManagedMethodName(methodName, out var method, out var arity, out var parameterTypes);
return(method, arity, parameterTypes);
}
Assert.ThrowsException <InvalidManagedNameException>(() => Parse(" Method"), "Whitespace is not valid in a ManagedName (pos: 0)");
Assert.ThrowsException <InvalidManagedNameException>(() => Parse("Method( List)"), "Whitespace is not valid in a ManagedName (pos: 7)");
Assert.ThrowsException <InvalidManagedNameException>(() => Parse("Method(List)xa"), "Unexpected characters after the end of the ManagedName (pos: 7)");
Assert.ThrowsException <InvalidManagedNameException>(() => Parse("Method("), "ManagedName is incomplete");
Assert.ThrowsException <InvalidManagedNameException>(() => Parse("Method`4a"), "Method arity must be numeric");
}
