public void Test_BinaryPlusWithNumberOperands()
{
var expressionState = new ExpressionState(new StandardEvaluationContext());
{
var n1 = new RealLiteral("123.00", -1, -1, 123.0);
var n2 = new RealLiteral("456.00", -1, -1, 456.0);
var o = new OpPlus(-1, -1, n1, n2);
var value = o.GetValueInternal(expressionState);
Assert.Equal(typeof(double), value.TypeDescriptor);
Assert.Equal(typeof(double), value.TypeDescriptor);
Assert.Equal(123.0d + 456.0d, value.Value);
}
{
var n1 = new LongLiteral("123", -1, -1, 123L);
var n2 = new LongLiteral("456", -1, -1, 456L);
var o = new OpPlus(-1, -1, n1, n2);
var value = o.GetValueInternal(expressionState);
Assert.Equal(typeof(long), value.TypeDescriptor);
Assert.Equal(typeof(long), value.TypeDescriptor);
Assert.Equal(123L + 456L, value.Value);
}
{
var n1 = new IntLiteral("123", -1, -1, 123);
var n2 = new IntLiteral("456", -1, -1, 456);
var o = new OpPlus(-1, -1, n1, n2);
var value = o.GetValueInternal(expressionState);
Assert.Equal(typeof(int), value.TypeDescriptor);
Assert.Equal(typeof(int), value.TypeDescriptor);
Assert.Equal(123 + 456, value.Value);
}
}
public void Test_UnaryPlusWithNumberOperand()
{
var expressionState = new ExpressionState(new StandardEvaluationContext());
{
var realLiteral = new RealLiteral("123.00", -1, -1, 123.0);
var o = new OpPlus(-1, -1, realLiteral);
var value = o.GetValueInternal(expressionState);
Assert.Equal(typeof(double), value.TypeDescriptor);
Assert.Equal(typeof(double), value.TypeDescriptor);
Assert.Equal(realLiteral.GetLiteralValue().Value, value.Value);
}
{
var intLiteral = new IntLiteral("123", -1, -1, 123);
var o = new OpPlus(-1, -1, intLiteral);
var value = o.GetValueInternal(expressionState);
Assert.Equal(typeof(int), value.TypeDescriptor);
Assert.Equal(typeof(int), value.TypeDescriptor);
Assert.Equal(intLiteral.GetLiteralValue().Value, value.Value);
}
{
var longLiteral = new LongLiteral("123", -1, -1, 123L);
var o = new OpPlus(-1, -1, longLiteral);
var value = o.GetValueInternal(expressionState);
Assert.Equal(typeof(long), value.TypeDescriptor);
Assert.Equal(typeof(long), value.TypeDescriptor);
Assert.Equal(longLiteral.GetLiteralValue().Value, value.Value);
}
}
public void Test_UnaryPlusWithStringLiteral()
{
var expressionState = new ExpressionState(new StandardEvaluationContext());
var str = new StringLiteral("word", -1, -1, "word");
var o = new OpPlus(-1, -1, str);
Assert.Throws <SpelEvaluationException>(() => o.GetValueInternal(expressionState));
}
public void Test_BinaryPlusWithRightStringOperand()
{
var expressionState = new ExpressionState(new StandardEvaluationContext());
var n1 = new LongLiteral("123", -1, -1, 123);
var n2 = new StringLiteral("\" is a number\"", -1, -1, "\" is a number\"");
var o = new OpPlus(-1, -1, n1, n2);
var value = o.GetValueInternal(expressionState);
Assert.Equal(typeof(string), value.TypeDescriptor);
Assert.Equal(typeof(string), value.TypeDescriptor);
Assert.Equal("123 is a number", value.Value);
}
public void Test_BinaryPlusWithStringOperands()
{
var expressionState = new ExpressionState(new StandardEvaluationContext());
var n1 = new StringLiteral("\"foo\"", -1, -1, "\"foo\"");
var n2 = new StringLiteral("\"bar\"", -1, -1, "\"bar\"");
var o = new OpPlus(-1, -1, n1, n2);
var value = o.GetValueInternal(expressionState);
Assert.Equal(typeof(string), value.TypeDescriptor);
Assert.Equal(typeof(string), value.TypeDescriptor);
Assert.Equal("foobar", value.Value);
}
public void Test_BinaryPlusWithTime_ToString()
{
var expressionState = new ExpressionState(new StandardEvaluationContext());
var time = default(DateTime);
var var = new VariableReference("timeVar", -1, -1);
var.SetValue(expressionState, time);
var n2 = new StringLiteral("\" is now\"", -1, -1, "\" is now\"");
var o = new OpPlus(-1, -1, var, n2);
var value = o.GetValueInternal(expressionState);
Assert.Equal(typeof(string), value.TypeDescriptor);
Assert.Equal(typeof(string), value.TypeDescriptor);
Assert.Equal(time + " is now", value.Value);
}