| // Copyright 2009 The Go Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| package parser |
| |
| import ( |
| "os"; |
| "testing"; |
| ) |
| |
| |
| var illegalInputs = []interface{} { |
| nil, |
| 3.14, |
| []byte(nil), |
| "foo!", |
| } |
| |
| |
| func TestParseIllegalInputs(t *testing.T) { |
| for _, src := range illegalInputs { |
| _, err := ParseFile("", src, 0); |
| if err == nil { |
| t.Errorf("ParseFile(%v) should have failed", src); |
| } |
| } |
| } |
| |
| |
| var validPrograms = []interface{} { |
| `package main`, |
| `package main import "fmt" func main() { fmt.Println("Hello, World!") }`, |
| } |
| |
| |
| func TestParseValidPrograms(t *testing.T) { |
| for _, src := range validPrograms { |
| _, err := ParseFile("", src, 0); |
| if err != nil { |
| t.Errorf("ParseFile(%q): %v", src, err); |
| } |
| } |
| } |
| |
| |
| var validFiles = []string { |
| "parser.go", |
| "parser_test.go", |
| } |
| |
| |
| func TestParse3(t *testing.T) { |
| for _, filename := range validFiles { |
| _, err := ParseFile(filename, nil, 0); |
| if err != nil { |
| t.Errorf("ParseFile(%s): %v", filename, err); |
| } |
| } |
| } |
| |
| |
| func nameFilter(filename string) bool { |
| switch filename { |
| case "parser.go": |
| case "interface.go": |
| case "parser_test.go": |
| default: |
| return false; |
| } |
| return true; |
| } |
| |
| |
| func dirFilter(d *os.Dir) bool { |
| return nameFilter(d.Name); |
| } |
| |
| |
| func TestParse4(t *testing.T) { |
| path := "."; |
| pkg, err := ParsePackage(path, dirFilter, 0); |
| if err != nil { |
| t.Fatalf("ParsePackage(%s): %v", path, err); |
| } |
| if pkg.Name != "parser" { |
| t.Errorf("incorrect package name: %s", pkg.Name); |
| } |
| for filename, _ := range pkg.Files { |
| if !nameFilter(filename) { |
| t.Errorf("unexpected package file: %s", filename); |
| } |
| } |
| } |