public void TestOperators()
{
SpiceExpression e = new SpiceExpression();
string[] tests = new string[]
{
// Basic operators
"2.345 + 2.5u", "2.345 - 2.5u",
"-1.5u * 3k", "20meg / 1.9u",
"10 % 3",
"101 < 101", "101 <= 101",
"102 > 101", "102 >= 101",
"101u == 101e-6", "1 == 0",
"101u != 101e-6", "1 != 0",
"1 || 0", "0 || 0",
"1 && 0", "1 && 1",
"1.0 ? -1.0 : 2.0"
};
double[] results = new double[]
{
2.345 + 2.5e-6, 2.345 - 2.5e-6,
-1.5e-6 * 3e3, 20e6 / 1.9e-6,
10 % 3,
0.0, 1.0,
1.0, 1.0,
1.0, 0.0,
0.0, 1.0,
1.0, 0.0,
0.0, 1.0,
-1.0
};
RunTests(tests, results);
}
/// <summary>
/// Run a series of expressions
/// </summary>
/// <param name="tests">Expressions</param>
/// <param name="results">Expected results</param>
private void RunTests(string[] tests, double[] results)
{
SpiceExpression e = new SpiceExpression();
// Run tests
for (int i = 0; i < tests.Length; i++)
{
double c = e.Parse(tests[i]);
double error = c - results[i];
if (results[i] != 0.0)
{
error /= results[i];
}
Assert.AreEqual(error, 0.0, Tolerance);
}
}
public void TestPrecedence()
{
SpiceExpression e = new SpiceExpression();
string[] tests = new string[]
{
"1 + 2 * 3", "1 - 2 / 3",
"2 / 3 / 4",
"1 ? 2 ? 3 : 4 : 5 ? 6 : 7",
"1 ? 2 > 3 : 4",
"(1 + 2) * 3",
"10.5g / ((1m + 2) / (10u - 2))"
};
double[] results = new double[]
{
1.0 + 2.0 * 3.0, 1.0 - 2.0 / 3.0,
2.0 / 3.0 / 4.0,
true ? true ? 3 : 4 : true ? 6 : 7,
0.0,
9.0,
10.5e9 / ((1e-3 + 2) / (10e-6 - 2))
};
RunTests(tests, results);
}
