public void CompileNakeDateAndTimeFunction()
{
var compiler = new Core.Compiler();
void Equal(Func <object> valueGetter, string expr)
{
var evaluator = compiler.Compile(expr.ToEvaluableExpression());
Assert.NotNull(evaluator.Evaluate(null));
Assert.Equal(valueGetter(), evaluator.Evaluate(null));
}
Equal(() => DateTime.Now.ToString("yyyy/MM/dd HH:mm:ss"), "now()");
Equal(() => DateTime.Now.ToString("yyyy/MM"), "now('yyyy/MM')");
Equal(() => DateTime.Now.ToString("aaabg"), "now('aaabg')");
Equal(() => DateTime.Today.ToString("yyyy/MM/dd"), "today()");
Equal(() => DateTime.Today.ToString("yyyy/MM"), "today('yyyy/MM')");
Equal(() => DateTime.Today.ToString("aaabg"), "today('aaabg')");
Equal(() => DateTime.Now.ToString("HH:mm:ss"), "time()");
Equal(() => DateTime.Now.ToString("HH:mm"), "time('HH:mm')");
Equal(() => DateTime.Now.ToString("aaabg"), "time('aaabg')");
Equal(() => DateTime.Now.Year, "year()");
Equal(() => DateTime.Now.Month, "month()");
Equal(() => DateTime.Now.Day, "day()");
Equal(() => DateTime.Now.Hour, "hour()");
Equal(() => DateTime.Now.Minute, "minute()");
Equal(() => DateTime.Now.Second, "second()");
}
public void CompileNakeStatisticsFunctions()
{
var compiler = new Core.Compiler();
Assert.Throws <ArgumentNullException>(() => compiler.Compile(null));
var option = ParseOption.CreateOption();
option.LiteralValues.Add(new LiteralValue("compiler", compiler));
Assert.Equal(4, compiler.Compile("len([1, 2.0222, true, 'das'])".ToEvaluableExpression()).Evaluate(null));
Assert.Equal(0, compiler.Compile("len([])".ToEvaluableExpression()).Evaluate(null));
Assert.Throws <UnsupportedFunctionCallException>(() => compiler.Compile("len()".ToEvaluableExpression()).Evaluate(null));
Assert.Throws <UnsupportedFunctionCallException>(() => compiler.Compile("len(1,8)".ToEvaluableExpression()).Evaluate(null));
Assert.Equal(11.5m, compiler.Compile("max([1, -2.0222, -89, 11.5])".ToEvaluableExpression()).Evaluate(null));
Assert.Equal(110m, compiler.Compile("max([1, 110, -89, 100])".ToEvaluableExpression()).Evaluate(null));
Assert.Throws <UnsupportedFunctionCallException>(() => compiler.Compile("max()".ToEvaluableExpression()).Evaluate(null));
Assert.Throws <UnsupportedFunctionCallException>(() => compiler.Compile("max(1,8)".ToEvaluableExpression()).Evaluate(null));
Assert.Throws <UnsupportedFunctionCallException>(() => compiler.Compile("max([1, 2.0222 ,true,'das', false, null, compiler])".ToEvaluableExpression(option.AsReadOnly())).Evaluate(null));
Assert.Equal(-89m, compiler.Compile("min([1, -2.0222, -89, 11.5])".ToEvaluableExpression()).Evaluate(null));
Assert.Equal(-90.1m, compiler.Compile("min([1, 110, -90.1, 100])".ToEvaluableExpression()).Evaluate(null));
Assert.Throws <UnsupportedFunctionCallException>(() => compiler.Compile("min()".ToEvaluableExpression()).Evaluate(null));
Assert.Throws <UnsupportedFunctionCallException>(() => compiler.Compile("min(1,8)".ToEvaluableExpression()).Evaluate(null));
Assert.Throws <UnsupportedFunctionCallException>(() => compiler.Compile("min([1, 2.0222 ,true,'das', false, null, compiler])".ToEvaluableExpression(option.AsReadOnly())).Evaluate(null));
var watch = Stopwatch.StartNew();
var evaluator = compiler.Compile($"sum([{string.Join(",", Enumerable.Range(1, 1000))}])".ToEvaluableExpression());
Assert.Equal((decimal)Enumerable.Range(1, 1000).Sum(), evaluator.Evaluate(null));
watch.Stop();
var elapsedTicks = watch.ElapsedTicks;
watch.Restart();
Assert.Equal((decimal)Enumerable.Range(1, 1000).Sum(), evaluator.Evaluate(null));
watch.Stop();
Assert.True(watch.ElapsedTicks < elapsedTicks);
Assert.Equal(5050m, compiler.Compile($"sum([{string.Join(",", Enumerable.Range(0, 101))}])".ToEvaluableExpression()).Evaluate(null));
Assert.Equal((decimal)Enumerable.Range(1, 1000).Sum(), compiler.Compile($"sum([{string.Join(",", Enumerable.Range(1, 1000))}])".ToEvaluableExpression()).Evaluate(null));
Assert.Throws <UnsupportedFunctionCallException>(() => compiler.Compile("sum()".ToEvaluableExpression()).Evaluate(null));
Assert.Throws <UnsupportedFunctionCallException>(() => compiler.Compile("sum(1,8)".ToEvaluableExpression()).Evaluate(null));
Assert.Throws <UnsupportedFunctionCallException>(() => compiler.Compile("sum([1, 2.0222 ,true,'das', false, null, compiler])".ToEvaluableExpression(option.AsReadOnly())).Evaluate(null));
Assert.Equal(50m, compiler.Compile($"avg([{string.Join(",", Enumerable.Range(0, 101))}])".ToEvaluableExpression()).Evaluate(null));
Assert.Throws <UnsupportedFunctionCallException>(() => compiler.Compile("avg()".ToEvaluableExpression()).Evaluate(null));
Assert.Throws <UnsupportedFunctionCallException>(() => compiler.Compile("avg(1,8)".ToEvaluableExpression()).Evaluate(null));
Assert.Throws <UnsupportedFunctionCallException>(() => compiler.Compile("avg([1, 2.0222 ,true,'das', false, null, compiler])".ToEvaluableExpression(option.AsReadOnly())).Evaluate(null));
}
