78 lines
1.2 KiB
Go
78 lines
1.2 KiB
Go
// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package ebnf
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import (
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"go/token"
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"io/ioutil"
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"testing"
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)
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var fset = token.NewFileSet()
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var grammars = []string{
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`Program = .
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`,
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`Program = foo .
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foo = "foo" .
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`,
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`Program = "a" | "b" "c" .
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`,
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`Program = "a" ... "z" .
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`,
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`Program = Song .
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Song = { Note } .
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Note = Do | (Re | Mi | Fa | So | La) | Ti .
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Do = "c" .
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Re = "d" .
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Mi = "e" .
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Fa = "f" .
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So = "g" .
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La = "a" .
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Ti = ti .
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ti = "b" .
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`,
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}
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func check(t *testing.T, filename string, src []byte) {
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grammar, err := Parse(fset, filename, src)
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if err != nil {
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t.Errorf("Parse(%s) failed: %v", src, err)
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}
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if err = Verify(fset, grammar, "Program"); err != nil {
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t.Errorf("Verify(%s) failed: %v", src, err)
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}
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}
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func TestGrammars(t *testing.T) {
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for _, src := range grammars {
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check(t, "", []byte(src))
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}
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}
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var files = []string{
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// TODO(gri) add some test files
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}
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func TestFiles(t *testing.T) {
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for _, filename := range files {
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src, err := ioutil.ReadFile(filename)
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if err != nil {
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t.Fatal(err)
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}
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check(t, filename, src)
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}
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}
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