package ast import ( "testing" "monkey/token" ) func TestString(t *testing.T) { program := &Program{ Statements: []Statement{ &LetStatement{ Token: token.Token{Type: token.LET, Literal: "let"}, Name: &Identifier{ Token: token.Token{Type: token.IDENT, Literal: "myVar"}, Value: "myVar", }, Value: &Identifier{ Token: token.Token{Type: token.IDENT, Literal: "anotherVar"}, Value: "anotherVar", }, }, }, } if program.String() != "let myVar = anotherVar;" { t.Errorf("program.String() wrong. got=%q", program.String()) } }