public void interpretNodeTest_simple()
{
SillyParser p = new SillyParser(null);
Assert.AreEqual(p.m(1d), p.InterpretNode("1"));
Assert.AreEqual(p.m("a"), p.InterpretNode("a"));
Assert.AreEqual(p.m("a"), p.InterpretNode("(a)"));
Assert.AreEqual(p.m("sin", 1d), p.InterpretNode("sin(1)"));
}
public void interpretListOfNodesTest()
{
SillyParser p = new SillyParser(null);
Assert.AreEqual(p.m("atan2", 1d, 2d), p.InterpretNode("atan2(1, 2)"));
Node inner1 = p.m("atan2", 1d, 2d);
Node inner2 = p.m("atan2", 3d, 4d);
Assert.AreEqual(inner1, p.InterpretNode("atan2(1, 2)"));
Assert.AreEqual(inner2, p.InterpretNode("atan2(3, 4)"));
Assert.AreEqual(p.m("atan2", inner1, inner2), p.InterpretNode("atan2(atan2(1, 2), atan2(3, 4))"));
}
public void interpretNodeTest_multiplyTwoExpressions()
{
SillyParser p = new SillyParser(null);
Node mul = p.m("*", p.m(2d), p.m(1d));
Node atan2 = p.m("atan2", p.m(3d), p.m(4d));
Node add = p.m("+", mul, p.m(5d));
Assert.AreEqual(mul, p.InterpretNode("*(2,1)"));
Assert.AreEqual(atan2, p.InterpretNode("atan2(3,4)"));
Assert.AreEqual(add, p.InterpretNode("5+atan2(3,4)"));
Assert.AreEqual(p.m("+", add, atan2), p.InterpretNode("*(2,1)+5+atan2(3,4)"));
}
public void interpretNodeTest_addNegOne()
{
SillyParser p = new SillyParser(null);
Node actual = p.InterpretNode("2+-1");
Assert.AreEqual(p.m("+", 2d, -1d), actual);
}
public void interpretNodeTest_multiplyTwoDoubles()
{
SillyParser p = new SillyParser(null);
Node actual = p.InterpretNode("2*-1");
Assert.AreEqual(p.m("*", 2d, -1d), actual);
}
public void pemdas()
{
SillyParser p = new SillyParser(null);
Node atan2 = p.m("atan2", 5d, 6d);
Node minParen = p.m("-", -1d, 2d);
Node sin = p.m("sin", 3d);
Node mid = p.m("/", p.m("*", sin, minParen), atan2);
Node firstHalf = p.m("+", 2d, mid);
Node end1 = p.m("+", firstHalf, 2d);
Node end2 = p.m("-", end1, p.m("*", 5d, 7d));
Node whole = p.m("+", end2, 3d);
Assert.AreEqual(whole, p.InterpretNode("2+sin(3)*(-1-2)/atan2(5,6)+2-5*7+3"));
}
