public void GetValue_PropertyThrowsException_ThrowsException()
{
var expression = ExpressionBody(() => PropertyThrowsException);
Assert.Throws <Exception>(
() => ExpressionUtilities.GetValue(expression));
}
public void GetValue_RecursiveMethodCalls_ReturnValue()
{
var expression = ExpressionBody(() => 666.ToString().ToString());
var expectedValue = ExpressionUtilities.GetValueUsingCompile(expression);
var value = ExpressionUtilities.GetValueWithoutCompiling(expression);
Assert.That(value, Is.EqualTo(expectedValue));
}
public void GetValue_MethodCallWithArguments_ReturnValue()
{
var expression = ExpressionBody(() => string.Format("{0} {1} {2}", "foo", "bar", 1));
var expectedValue = ExpressionUtilities.GetValueUsingCompile(expression);
var value = ExpressionUtilities.GetValueWithoutCompiling(expression);
Assert.That(value, Is.EqualTo(expectedValue));
}
public void GetValue_StaticProperty_ReturnValue()
{
var expression = ExpressionBody(() => StaticProperty);
var expectedValue = ExpressionUtilities.GetValueUsingCompile(expression);
var value = ExpressionUtilities.GetValueWithoutCompiling(expression);
Assert.That(value, Is.EqualTo(expectedValue));
}
public void GetValue_MemberExpression_ReturnProperty()
{
var expression = ExpressionBody(() => Encoding.ASCII);
var expectedValue = ExpressionUtilities.GetValueUsingCompile(expression);
var value = ExpressionUtilities.GetValueWithoutCompiling(expression);
Assert.That(value, Is.EqualTo(expectedValue));
}
public void GetValue_Null_ReturnNull()
{
var expression = ExpressionBody(() => (string)null);
var expectedValue = ExpressionUtilities.GetValueUsingCompile(expression);
var value = ExpressionUtilities.GetValueWithoutCompiling(expression);
Assert.That(value, Is.EqualTo(expectedValue));
}
public void GetValue_ConstantExpression_ReturnValue()
{
var expression = ExpressionBody(() => "__String__");
var expectedValue = ExpressionUtilities.GetValueUsingCompile(expression);
var value = ExpressionUtilities.GetValueWithoutCompiling(expression);
Assert.That(value, Is.EqualTo(expectedValue));
}
public void GetValue_Local_ReturnLocal()
{
var local = "__Local__";
var expression = ExpressionBody(() => local);
var expectedValue = ExpressionUtilities.GetValueUsingCompile(expression);
var value = ExpressionUtilities.GetValueWithoutCompiling(expression);
Assert.That(value, Is.EqualTo(expectedValue));
}
public void GetValue_Add_GetValueWithoutCompilingThrowsException()
{
var x = 42;
var expression = ExpressionBody(() => x + 666);
var expectedValue = ExpressionUtilities.GetValueUsingCompile(expression);
var value = ExpressionUtilities.GetValue(expression);
Assert.That(value, Is.EqualTo(expectedValue));
Assert.Throws <Exception>(
() => ExpressionUtilities.GetValueWithoutCompiling(expression));
}