public void FunctionCallCallsVisitOnAllParametersPassedTest()
{
var target = new EvaluateVisitor();
var functionName = RandomGenerator.String();
var functionNameExpr = new IdentifierExpr(functionName);
var parameters = new[]
{
new VarDefinitionStmt(new IdentifierExpr("A"), new IdentifierExpr("INT"), false, new ConstantExpr(1)),
new VarDefinitionStmt(new IdentifierExpr("B"), new IdentifierExpr("STRING"), false, new ConstantExpr("TEST")),
new VarDefinitionStmt(new IdentifierExpr("C"), new IdentifierExpr("BOOL"), false, new ConstantExpr(true))
};
var values = new Expression[]
{
new ConstantExpr(1),
new ConstantExpr(RandomGenerator.String()),
new ConstantExpr(true)
};
var returnValue = values[1];
var functionDefinition = new FunctionDefinitionExpr(functionNameExpr, parameters,
new ScopeBlockStmt(new[] { new ReturnStmt(returnValue) }), new IdentifierExpr("String"));
var expr = new FunctionCallExpr(functionNameExpr, values);
_scope.DefineIdentifier(functionName, Value.FromObject(functionDefinition));
var actual = target.Visit(expr, _scope);
Assert.AreEqual(((ConstantExpr)returnValue).Value, actual.ToObject());
}
public Value Visit(FunctionDefinitionExpr expr, Scope scope)
{
var value = Value.FromObject(expr);
scope.DefineIdentifier(expr.Name, value, value.Type.ToString());
return(new Value(expr));
}
public void BodyPropertyReturnsPassedBody()
{
var name = new IdentifierExpr(RandomGenerator.String());
var arguments = new VarDefinitionStmt[0];
var body = new NoOpStatement();
var returnType = new IdentifierExpr(RandomGenerator.String());
var target = new FunctionDefinitionExpr(name, arguments, body, returnType);
Assert.AreSame(body, target.Body);
}
public void BodyPropertyReturnsPassedBody2()
{
var name = new IdentifierExpr(RandomGenerator.String());
var arguments = new VarDefinitionStmt[0];
var body = new ScopeBlockStmt(new [] { new NoOpStatement() });
var returnType = new IdentifierExpr(RandomGenerator.String());
var target = new FunctionDefinitionExpr(name, arguments, body, returnType);
Assert.AreSame(body, target.Body);
}
public void ReturnTypePropertyReturnsPassedReturnType()
{
var name = new IdentifierExpr(RandomGenerator.String());
var arguments = new VarDefinitionStmt[0];
var body = new NoOpStatement();
var returnType = new IdentifierExpr(RandomGenerator.String());
var target = new FunctionDefinitionExpr(name, arguments, body, returnType);
Assert.AreSame(returnType, target.ReturnType);
}
private Value RunFunction(FunctionDefinitionExpr func, Scope scope)
{
try
{
func.Body.Accept(this, scope);
throw new ReturnStatementExpectedException("Function without a return statement encountered " + func.Name);
}
catch (ReturnStatementException returnStatement)
{
return(returnStatement.Value);
}
}
public void AcceptMethodCallsVisitOnVisitorWithThis()
{
var name = new IdentifierExpr(RandomGenerator.String());
var arguments = new VarDefinitionStmt[0];
var body = new NoOpStatement();
var returnType = new IdentifierExpr(RandomGenerator.String());
var target = new FunctionDefinitionExpr(name, arguments, body, returnType);
var visitor = new Mock <IExpressionVisitor <string, int> >();
target.Accept(visitor.Object, 0);
visitor.Verify(x => x.Visit(target, 0), Times.Once);
}
public void FunctionCallWithNoReturnStatementTest()
{
var target = new EvaluateVisitor();
var functionName = RandomGenerator.String();
var functionNameExpr = new IdentifierExpr(functionName);
var returnValue = RandomGenerator.String();
var functionDefinition = new FunctionDefinitionExpr(functionNameExpr, new VarDefinitionStmt[0], new ScopeBlockStmt(new[] { new NoOpStatement() }), new IdentifierExpr("String"));
var expr = new FunctionCallExpr(functionNameExpr, new Expression[0]);
_scope.DefineIdentifier(functionName, Value.FromObject(functionDefinition));
target.Visit(expr, _scope);
}
public void AcceptMethodCallsOnlyVisitOnVisitorWithThisAndNoOtherVisitMethods()
{
var name = new IdentifierExpr(RandomGenerator.String());
var arguments = new VarDefinitionStmt[0];
var body = new NoOpStatement();
var returnType = new IdentifierExpr(RandomGenerator.String());
var target = new FunctionDefinitionExpr(name, arguments, body, returnType);
// throw exception is any other methods called other than the PlusExpr overload.
var visitor = new Mock <IExpressionVisitor <string, int> >(MockBehavior.Strict);
visitor.Setup(x => x.Visit(target, 1234)).Returns("");
target.Accept(visitor.Object, 1234);
}
public void FunctionCallTest()
{
var target = new EvaluateVisitor();
var functionName = RandomGenerator.String();
var functionNameExpr = new IdentifierExpr(functionName);
var returnValue = RandomGenerator.String();
var functionDefinition = new FunctionDefinitionExpr(functionNameExpr, new VarDefinitionStmt[0],
new ScopeBlockStmt(new[] { new ReturnStmt(new ConstantExpr(returnValue)) }), new IdentifierExpr("String"));
var expr = new FunctionCallExpr(functionNameExpr, new Expression[0]);
_scope.DefineIdentifier(functionName, Value.FromObject(functionDefinition));
var actual = target.Visit(expr, _scope);
Assert.AreEqual(returnValue, actual.ToObject());
}
public void FunctionCallOnUndefinedFuncTest()
{
var target = new EvaluateVisitor();
var functionName = RandomGenerator.String();
var definedFunctionNameExpr = new IdentifierExpr(functionName);
var calledFunctionNameExpr = new IdentifierExpr(functionName + "UNDEFINED");
var returnValue = RandomGenerator.String();
var functionDefinition = new FunctionDefinitionExpr(definedFunctionNameExpr, new VarDefinitionStmt[0],
new ScopeBlockStmt(new[] { new ReturnStmt(new ConstantExpr(returnValue)) }), new IdentifierExpr("String"));
var expr = new FunctionCallExpr(calledFunctionNameExpr, new Expression[0]);
_scope.DefineIdentifier(functionName, Value.FromObject(functionDefinition));
target.Visit(expr, _scope);
}
public void AcceptMethodCallsOnlyVisitOnVisitorWithThisAndNoOtherVisitMethods()
{
var name = new IdentifierExpr(RandomGenerator.String());
var arguments = new VarDefinitionStmt[0];
var body = new NoOpStatement();
var returnType = new IdentifierExpr(RandomGenerator.String());
var target = new FunctionDefinitionExpr(name, arguments, body, returnType);
// throw exception is any other methods called other than the PlusExpr overload.
var visitor = new Mock<IExpressionVisitor<string, int>>(MockBehavior.Strict);
visitor.Setup(x => x.Visit(target, 1234)).Returns("");
target.Accept(visitor.Object, 1234);
}
public void AcceptMethodCallsVisitOnVisitorWithThis()
{
var name = new IdentifierExpr(RandomGenerator.String());
var arguments = new VarDefinitionStmt[0];
var body = new NoOpStatement();
var returnType = new IdentifierExpr(RandomGenerator.String());
var target = new FunctionDefinitionExpr(name, arguments, body, returnType);
var visitor = new Mock<IExpressionVisitor<string, int>>();
target.Accept(visitor.Object, 0);
visitor.Verify(x => x.Visit(target, 0), Times.Once);
}
public string Visit(FunctionDefinitionExpr expr, Scope context)
{
return("function definition");
}
public ValueType Visit(FunctionDefinitionExpr expr, Scope context)
{
return(ValueType.Function);
}
public void FunctionCallWithNoReturnStatementTest()
{
var target = new EvaluateVisitor();
var functionName = RandomGenerator.String();
var functionNameExpr = new IdentifierExpr(functionName);
var returnValue = RandomGenerator.String();
var functionDefinition = new FunctionDefinitionExpr(functionNameExpr, new VarDefinitionStmt[0], new ScopeBlockStmt(new[] { new NoOpStatement() }), new IdentifierExpr("String"));
var expr = new FunctionCallExpr(functionNameExpr, new Expression[0]);
_scope.DefineIdentifier(functionName, Value.FromObject(functionDefinition));
target.Visit(expr, _scope);
}
public void FunctionCallOnUndefinedFuncTest()
{
var target = new EvaluateVisitor();
var functionName = RandomGenerator.String();
var definedFunctionNameExpr = new IdentifierExpr(functionName);
var calledFunctionNameExpr = new IdentifierExpr(functionName + "UNDEFINED");
var returnValue = RandomGenerator.String();
var functionDefinition = new FunctionDefinitionExpr(definedFunctionNameExpr, new VarDefinitionStmt[0],
new ScopeBlockStmt(new[] { new ReturnStmt(new ConstantExpr(returnValue)) }), new IdentifierExpr("String"));
var expr = new FunctionCallExpr(calledFunctionNameExpr, new Expression[0]);
_scope.DefineIdentifier(functionName, Value.FromObject(functionDefinition));
target.Visit(expr, _scope);
}
public void FunctionCallCallsVisitOnAllParametersPassedTest()
{
var target = new EvaluateVisitor();
var functionName = RandomGenerator.String();
var functionNameExpr = new IdentifierExpr(functionName);
var parameters = new[]
{
new VarDefinitionStmt(new IdentifierExpr("A"), new IdentifierExpr("INT"), false, new ConstantExpr(1)),
new VarDefinitionStmt(new IdentifierExpr("B"), new IdentifierExpr("STRING"), false, new ConstantExpr("TEST")),
new VarDefinitionStmt(new IdentifierExpr("C"), new IdentifierExpr("BOOL"), false, new ConstantExpr(true))
};
var values = new Expression[]
{
new ConstantExpr(1),
new ConstantExpr(RandomGenerator.String()),
new ConstantExpr(true)
};
var returnValue = values[1];
var functionDefinition = new FunctionDefinitionExpr(functionNameExpr, parameters,
new ScopeBlockStmt(new[] { new ReturnStmt(returnValue) }), new IdentifierExpr("String"));
var expr = new FunctionCallExpr(functionNameExpr, values);
_scope.DefineIdentifier(functionName, Value.FromObject(functionDefinition));
var actual = target.Visit(expr, _scope);
Assert.AreEqual(((ConstantExpr)returnValue).Value, actual.ToObject());
}
public void FunctionCallTest()
{
var target = new EvaluateVisitor();
var functionName = RandomGenerator.String();
var functionNameExpr = new IdentifierExpr(functionName);
var returnValue = RandomGenerator.String();
var functionDefinition = new FunctionDefinitionExpr(functionNameExpr, new VarDefinitionStmt[0],
new ScopeBlockStmt(new[] {new ReturnStmt(new ConstantExpr(returnValue))}), new IdentifierExpr("String"));
var expr = new FunctionCallExpr(functionNameExpr, new Expression[0]);
_scope.DefineIdentifier(functionName, Value.FromObject(functionDefinition));
var actual = target.Visit(expr, _scope);
Assert.AreEqual(returnValue, actual.ToObject());
}
