func (suite *TypeCheckerTestSuite) TestDuplicateVarDeclChecker() {
	firstQuestion := stmt.NewInputQuestion(expr.NewStringLiteral("Did you sell a house in 2010?"), vari.NewVarDecl(vari.NewVarID("hasSoldHouse"), expr.NewBoolType()))
	secondQuestion := stmt.NewInputQuestion(expr.NewStringLiteral("Did you sell a house in 2010?"), vari.NewVarDecl(vari.NewVarID("hasSoldHouse"), expr.NewIntegerType()))
	exampleBody := stmt.NewStmtList([]interfaces.Question{firstQuestion, secondQuestion}, []interfaces.Conditional{})
	exampleForm := stmt.NewForm(vari.NewVarID("TestForm"), exampleBody)

	suite.testThatNumberOfErrorsOfPassedTypeArePresentForForm(exampleForm, errors.QuestionRedeclaredWithDifferentTypesError{}, 1)
}
func TestFormQuestion(t *testing.T) {
	exampleFormInput := "form TestForm { \"Did you sell a house in 2010?\" hasSoldHouse: boolean \"Did you enter a loan?\" hasMaintLoan: boolean }"

	firstQuestionOutput := stmt.NewInputQuestion(expr.NewStringLiteral("Did you sell a house in 2010?"), vari.NewVarDecl(vari.NewVarID("hasSoldHouse"), expr.NewBoolType()))
	secondQuestionOutput := stmt.NewInputQuestion(expr.NewStringLiteral("Did you enter a loan?"), vari.NewVarDecl(vari.NewVarID("hasMaintLoan"), expr.NewBoolType()))
	exampleBodyOutput := stmt.NewStmtList([]interfaces.Question{firstQuestionOutput, secondQuestionOutput}, []interfaces.Conditional{})
	exampleOutputForm := stmt.NewForm(vari.NewVarID("TestForm"), exampleBodyOutput)

	testStmtParse(t, exampleFormInput, exampleOutputForm)
}
func (suite *TypeCheckerTestSuite) TestThatCorrectFormYieldsNoErrorsOrWarnings() {
	firstQuestion := stmt.NewInputQuestion(expr.NewStringLiteral("Did you sell a house in 2010?"), vari.NewVarDecl(vari.NewVarID("hasSoldHouse"), expr.NewBoolType()))
	firstQuestionBody := stmt.NewInputQuestion(expr.NewStringLiteral("What was the selling price?"), vari.NewVarDecl(vari.NewVarID("sellingPrice"), expr.NewIntegerType()))
	ifBody := stmt.NewStmtList([]interfaces.Question{firstQuestionBody}, []interfaces.Conditional{})
	elseBody := stmt.NewStmtList([]interfaces.Question{firstQuestionBody}, []interfaces.Conditional{})
	ifExample := stmt.NewIfElse(expr.NewBoolLiteral(true), ifBody, elseBody)
	exampleBody := stmt.NewStmtList([]interfaces.Question{firstQuestion}, []interfaces.Conditional{ifExample})
	exampleForm := stmt.NewForm(vari.NewVarID("TestForm"), exampleBody)

	suite.testThatNumberOfErrorsOfPassedTypeArePresentForForm(exampleForm, errors.TypeCheckError{}, 0)
}
func TestFormComputedQuestion(t *testing.T) {
	exampleFormInput := "form TestForm { \"Did you sell a house in 2010?\" hasSoldHouse: integer \"Did you enter a loan?\" hasMaintLoan: integer \"Value residue:\" valueResidue: integer = (hasSoldHouse - hasMaintLoan) }"

	firstQuestionOutput := stmt.NewInputQuestion(expr.NewStringLiteral("Did you sell a house in 2010?"), vari.NewVarDecl(vari.NewVarID("hasSoldHouse"), expr.NewIntegerType()))
	secondQuestionOutput := stmt.NewInputQuestion(expr.NewStringLiteral("Did you enter a loan?"), vari.NewVarDecl(vari.NewVarID("hasMaintLoan"), expr.NewIntegerType()))
	computedQuestion := stmt.NewComputedQuestion(expr.NewStringLiteral("Value residue:"), vari.NewVarDecl(vari.NewVarID("valueResidue"), expr.NewIntegerType()), expr.NewSub(expr.NewVarExpr(vari.NewVarID("hasSoldHouse")), expr.NewVarExpr(vari.NewVarID("hasMaintLoan"))))
	exampleBodyOutput := stmt.NewStmtList([]interfaces.Question{firstQuestionOutput, secondQuestionOutput, computedQuestion}, []interfaces.Conditional{})
	exampleOutputForm := stmt.NewForm(vari.NewVarID("TestForm"), exampleBodyOutput)

	testStmtParse(t, exampleFormInput, exampleOutputForm)
}
func TestFormIfElse(t *testing.T) {
	exampleFormInput := "form TestForm { \"Did you sell a house in 2010?\" hasSoldHouse: boolean if (true) { \"What was the selling price?\" sellingPrice: integer } else { \"What was the selling price?\" sellingPrice: integer } }"
	firstQuestionOutput := stmt.NewInputQuestion(expr.NewStringLiteral("Did you sell a house in 2010?"), vari.NewVarDecl(vari.NewVarID("hasSoldHouse"), expr.NewBoolType()))
	firstQuestionBodyInput := stmt.NewInputQuestion(expr.NewStringLiteral("What was the selling price?"), vari.NewVarDecl(vari.NewVarID("sellingPrice"), expr.NewIntegerType()))
	ifBodyOutput := stmt.NewStmtList([]interfaces.Question{firstQuestionBodyInput}, []interfaces.Conditional{})
	elseBodyOutput := stmt.NewStmtList([]interfaces.Question{firstQuestionBodyInput}, []interfaces.Conditional{})
	ifOutput := stmt.NewIfElse(expr.NewBoolLiteral(true), ifBodyOutput, elseBodyOutput)
	exampleBodyOutput := stmt.NewStmtList([]interfaces.Question{firstQuestionOutput}, []interfaces.Conditional{ifOutput})
	exampleOutputForm := stmt.NewForm(vari.NewVarID("TestForm"), exampleBodyOutput)

	testStmtParse(t, exampleFormInput, exampleOutputForm)
}
func (suite *TypeCheckerTestSuite) TestNonBoolConditionalChecker() {
	exampleQuestion := stmt.NewInputQuestion(expr.NewStringLiteral("Did you sell a house in 2010?"), vari.NewVarDecl(vari.NewVarID("hasSoldHouse"), expr.NewBoolType()))
	exampleIf := stmt.NewIf(expr.NewIntegerLiteral(10), stmt.NewStmtList([]interfaces.Question{exampleQuestion}, []interfaces.Conditional{}))
	exampleBody := stmt.NewStmtList([]interfaces.Question{}, []interfaces.Conditional{exampleIf})
	exampleForm := stmt.NewForm(vari.NewVarID("TestForm"), exampleBody)

	suite.testThatNumberOfErrorsOfPassedTypeArePresentForForm(exampleForm, errors.NonBooleanConditionError{}, 1)
}
func (suite *TypeCheckerTestSuite) TestCyclicReferenceCheckerIfConditionRefersToBody() {
	questionExample := stmt.NewInputQuestion(expr.NewStringLiteral("Did you sell a house in 2010?"), vari.NewVarDecl(vari.NewVarID("hasSoldHouse"), expr.NewBoolType()))
	ifBodyExample := stmt.NewStmtList([]interfaces.Question{questionExample}, []interfaces.Conditional{})
	ifExample := stmt.NewIf(expr.NewVarExpr(vari.NewVarID("hasSoldHouse")), ifBodyExample)
	exampleFormBody := stmt.NewStmtList([]interfaces.Question{}, []interfaces.Conditional{ifExample})
	exampleForm := stmt.NewForm(vari.NewVarID("TestForm"), exampleFormBody)

	suite.testThatNumberOfErrorsOfPassedTypeArePresentForForm(exampleForm, errors.CyclicDependencyError{}, 1)
}
func NewInputQuestionNode(label attrib, varDecl attrib) (interfaces.InputQuestion, error) {
	labelStringLiteral := label.(expr.StringLiteral)
	stmt := stmt.NewInputQuestion(labelStringLiteral, varDecl.(vari.VarDecl))
	stmt.SetSourceInfo(labelStringLiteral.SourceInfo())
	return stmt, nil
}