public static void RunExpressionTest(InstructionSpan instructions, Expression expectedExpression)
{
// Add a `pop` to the end to make it a full statement
instructions = BuildSpan(
instructions.First.Offset,
Enumerable.Concat(instructions, new[] { Instruction.Create(OpCodes.Pop) }));
var controlFlowGraph = ControlFlowGraphBuilder.Build(instructions.ToList(), Array.Empty <ExceptionHandler>());
var actualGraph = SyntaxGraphBuilder.Create(controlFlowGraph, new MethodVariables());
// Extract the expression
Assert.Equal(1, actualGraph.Nodes.Count);
var node = actualGraph.Nodes.First();
Assert.Equal(1, node.Statements.Count);
var discardStatement = Assert.IsType <DiscardStatement>(node.Statements.Single());
Assert.Equal(expectedExpression, discardStatement.Value);
}
public static void RunControlFlowTest(InstructionSpan instructions, ControlFlowGraph expectedGraph)
{
var actualGraph = ControlFlowGraphBuilder.Build(instructions.ToList(), Array.Empty <ExceptionHandler>());
Assert.Equal(expectedGraph, actualGraph, TestControlFlowGraphComparer.Instance);
}