public void SerializeBlock()
{
var block = new CodeBlockStatement();
Assert.NotNull(block.Statements);
Assert.Empty(block.Statements);
Assert.Null(block.Label);
block.Statements.Add(new EmptyStatement());
Assert.NotEmpty(block.Statements);
Assert.Equal(1, block.Statements.Count);
var child = block.Statements.First();
Assert.IsType <EmptyStatement>(child);
Assert.NotNull(child);
var parent = typeof(SqlStatement).GetTypeInfo().GetProperty("Parent", BindingFlags.Instance | BindingFlags.NonPublic).GetValue(child);
Assert.NotNull(parent);
var result = BinarySerializeUtil.Serialize(block);
Assert.NotNull(result);
Assert.NotEmpty(result.Statements);
Assert.Equal(1, result.Statements.Count);
}
protected override SqlStatement PrepareStatement(IContext context)
{
var block = new CodeBlockStatement(Label);
foreach (var statement in Statements)
{
var prepared = statement.Prepare(context);
block.Statements.Add(prepared);
}
return(block);
}
protected virtual SqlStatement VisitCodeBlock(CodeBlockStatement statement)
{
if (statement is LoopStatement)
{
return(VisitLoop((LoopStatement)statement));
}
if (statement is PlSqlBlockStatement)
{
return(VisitPlSqlBlock((PlSqlBlockStatement)statement));
}
return(statement);
}
public void GetString()
{
var block = new CodeBlockStatement();
block.Statements.Add(new NullStatement());
var sql = new StringBuilder();
sql.AppendLine("BEGIN");
sql.AppendLine(" NULL;");
sql.Append("END;");
Assert.Equal(sql.ToString(), block.ToString());
}
public async void GoToBreak()
{
var loop = new LoopStatement();
loop.Statements.Add(new GoToStatement("exitLoop"));
var exitLoop = new CodeBlockStatement("exitLoop");
exitLoop.Statements.Add(new ExitStatement());
loop.Statements.Add(exitLoop);
var result = await loop.ExecuteAsync(context);
Assert.Null(result);
}
public void AddAndRemoveStatements()
{
var block = new CodeBlockStatement("block");
var statement = new EmptyStatement();
block.Statements.Add(statement);
block.Statements.Add(new EmptyStatement());
Assert.Null(statement.Previous);
Assert.NotNull(statement.Next);
var parent = typeof(SqlStatement).GetTypeInfo().GetProperty("Parent", BindingFlags.Instance | BindingFlags.NonPublic).GetValue(statement);
Assert.NotNull(parent);
Assert.Equal(2, block.Statements.Count);
block.Statements.Remove(statement);
Assert.Null(statement.Next);
Assert.Equal(1, block.Statements.Count);
block.Statements.Clear();
Assert.Equal(0, block.Statements.Count);
}
public StatementCollection(CodeBlockStatement block)
{
this.block = block;
}
public StatementCollection(CodeBlockStatement codeBlock)
{
this.codeBlock = codeBlock;
}
