public void TestArrayAssigment()
{
var programSource = new TokenList()
{
{ TokenType.Identifier, "var1" },
{ TokenType.LBracket },
{ TokenType.IntLiteral, "5" },
{ TokenType.RBracket },
{ TokenType.OpAssignment },
{ TokenType.StringLiteral, "moi" }
};
Parser parser = new Parser(CreateMockScanner(programSource), new ErrorHandler());
ProgramNode program = parser.Parse();
var assign = new AssignmentStmt(0, 0);
var identifier = new ArrayVariableExpr(0, 0);
identifier.ArrayIdentifier = "var1";
identifier.SubscriptExpr = new IntLiteralExpr(0, 0, 5);
assign.Variable = identifier;
assign.AssignmentExpr = new StringLiteralExpr(0, 0, "moi");
expected.Block.Statements.Add(assign);
program.ShouldBeEquivalentTo(expected);
}
public void TestAssignInArrayElement()
{
var program = new ProgramNode(0, 0);
program.Block = new BlockStmt(0, 0);
var declaration = CreateVarDeclaration("var1", new ArrayType(0, 0, ExprType.Int));
var assign = new AssignmentStmt(0, 0);
var array = new ArrayVariableExpr(0, 0);
array.ArrayIdentifier = "var1";
array.SubscriptExpr = new IntLiteralExpr(0, 0, 1);
assign.Variable = array;
assign.AssignmentExpr = new IntLiteralExpr(0, 0, 1);
program.Block.Statements.Add(declaration);
program.Block.Statements.Add(assign);
AssertNoErrors(program);
}
public void TestArraySubscriptionWithWrongType()
{
var program = new ProgramNode(0, 0);
program.Block = new BlockStmt(0, 0);
var declaration = CreateVarDeclaration("var1", new ArrayType(0, 0, ExprType.Int));
var assign = new AssignmentStmt(0, 0);
assign.AssignmentExpr = new IntLiteralExpr(0, 0, 1);
var arrayAccess = new ArrayVariableExpr(0, 0);
arrayAccess.ArrayIdentifier = "var1";
arrayAccess.SubscriptExpr = new StringLiteralExpr(0, 0, "asd");
assign.Variable = arrayAccess;
program.Block.Statements.Add(declaration);
program.Block.Statements.Add(assign);
AssertErrorContains(program, "Array subscript expression has to be of type Int");
}
public void TestArrayAccessOnNotArray()
{
var program = new ProgramNode(0, 0);
program.Block = new BlockStmt(0, 0);
var declaration = CreateVarDeclaration("var1");
var assign = new AssignmentStmt(0, 0);
assign.AssignmentExpr = new IntLiteralExpr(0, 0, 1);
var arrayAccess = new ArrayVariableExpr(0, 0);
arrayAccess.ArrayIdentifier = "var1";
arrayAccess.SubscriptExpr = new IntLiteralExpr(0, 0, 1);
assign.Variable = arrayAccess;
program.Block.Statements.Add(declaration);
program.Block.Statements.Add(assign);
AssertErrorContains(program, "Variable 'var1' is not declared as an array");
}