public void TestGetParametersNone()
{
var functionDefinition = new FunctionDefinitionExpression("f");
var scope = new InterpreterScope();
var functionCall = new FunctionCallExpression("f", new ExpressionBase[0]);
ExpressionBase error;
var innerScope = functionCall.GetParameters(functionDefinition, scope, out error);
Assert.That(innerScope, Is.Not.Null);
Assert.That(error, Is.Null);
Assert.That(innerScope.VariableCount, Is.EqualTo(0));
}
public void TestGetParametersByIndexTooMany()
{
var functionDefinition = Parse("function func(i,j) { }");
var scope = new InterpreterScope();
var value1 = new IntegerConstantExpression(6);
var functionCall = new FunctionCallExpression("func", new ExpressionBase[] { value1, value1, value1 });
ExpressionBase error;
var innerScope = functionCall.GetParameters(functionDefinition, scope, out error);
Assert.That(innerScope, Is.Null);
Assert.That(error, Is.Not.Null);
var parseError = (ParseErrorExpression)error;
Assert.That(parseError.Message, Is.EqualTo("Too many parameters passed to function"));
}
public void TestGetParametersByIndex()
{
var functionDefinition = Parse("function func(i,j) { }");
var scope = new InterpreterScope();
var value1 = new IntegerConstantExpression(6);
var value2 = new StringConstantExpression("a");
var functionCall = new FunctionCallExpression("func", new ExpressionBase[] { value1, value2 });
ExpressionBase error;
var innerScope = functionCall.GetParameters(functionDefinition, scope, out error);
Assert.That(innerScope, Is.Not.Null);
Assert.That(error, Is.Null);
Assert.That(innerScope.VariableCount, Is.EqualTo(2));
Assert.That(innerScope.GetVariable("i"), Is.EqualTo(value1));
Assert.That(innerScope.GetVariable("j"), Is.EqualTo(value2));
}
public void TestGetParametersByNameRepeated()
{
var functionDefinition = Parse("function func(i,j) { }");
var scope = new InterpreterScope();
var value2 = new StringConstantExpression("a");
var assign2 = new AssignmentExpression(new VariableExpression("i"), value2);
var functionCall = new FunctionCallExpression("func", new ExpressionBase[] { assign2, assign2 });
ExpressionBase error;
var innerScope = functionCall.GetParameters(functionDefinition, scope, out error);
Assert.That(innerScope, Is.Null);
Assert.That(error, Is.Not.Null);
var parseError = (ParseErrorExpression)error;
Assert.That(parseError.Message, Is.EqualTo("'i' already has a value"));
}
public void TestGetParametersByIndexUnknownVariable()
{
var functionDefinition = Parse("function func(i) { }");
var scope = new InterpreterScope();
var value1 = new VariableExpression("var");
var functionCall = new FunctionCallExpression("func", new ExpressionBase[] { value1 });
ExpressionBase error;
var innerScope = functionCall.GetParameters(functionDefinition, scope, out error);
Assert.That(innerScope, Is.Not.Null);
Assert.That(error, Is.Not.Null);
var parseError = (ParseErrorExpression)error;
Assert.That(parseError.Message, Is.EqualTo("Invalid value for parameter: i"));
Assert.That(parseError.InnermostError.Message, Is.EqualTo("Unknown variable: var"));
}
public void TestGetParametersByNameBeforeIndex()
{
var functionDefinition = Parse("function func(i,j) { }");
var scope = new InterpreterScope();
var value1 = new IntegerConstantExpression(6);
var value2 = new StringConstantExpression("a");
var assign1 = new AssignmentExpression(new VariableExpression("i"), value1);
var functionCall = new FunctionCallExpression("func", new ExpressionBase[] { assign1, value2 });
ExpressionBase error;
var innerScope = functionCall.GetParameters(functionDefinition, scope, out error);
Assert.That(innerScope, Is.Null);
Assert.That(error, Is.Not.Null);
var parseError = (ParseErrorExpression)error;
Assert.That(parseError.Message, Is.EqualTo("Non-named parameter following named parameter"));
}