func TestExpr(t *testing.T) {
expect := gspec.Expect(t.FailNow)
for _, tc := range []struct {
sg fmt.Stringer
s string
}{
{c(`a`), `[a]`},
{c(`abc`), `[a-c]`},
{c(`[`), `[\[]`},
{c(`]`), `[\]]`},
{c(`-`), `[\-]`},
{b('a', 'c'), `[a-c]`},
{s(`xy`), `xy`},
{c(`b`).Negate(), `[\x00-ac-\U0010ffff]`},
{c(`b`).Negate().Negate(), `[b]`},
{c(`bf`).Negate(), `[\x00-ac-eg-\U0010ffff]`},
{c(`bf`).Negate().Negate(), `[bf]`},
{c("\x00").Negate(), `[\x01-\U0010ffff]`},
{c("\x00").Negate().Negate(), `[\x00]`},
{c("\U0010ffff").Negate(), `[\x00-\U0010fffe]`},
{c("\U0010ffff").Negate().Negate(), `[\U0010ffff]`},
{c(`abcde`).Exclude(c(`bd`)), `[ace]`},
} {
expect(tc.sg.String()).Equal(tc.s)
}
}
func testParse(s gspec.S, P *R, tokens TT, expected string) {
expect := gspec.Expect(s.FailNow, 1)
scanner := newTestScanner(append(tokens, tok("", EOF)))
parser := New(P)
for scanner.Scan() {
parser.Parse(scanner.Token())
}
results := parser.Results()
expect(len(results)).Equal(1)
expect("\n" + results[0].String()).Equal(gspec.Unindent(expected))
}
func TestCompatible(t *testing.T) {
expect := gspec.Expect(t.FailNow)
srcList := []string{
"compatible_test.go",
}
for _, srcFile := range srcList {
fset := token.NewFileSet()
stdAst, stdErr := std.ParseFile(fset, srcFile, nil, std.ParseComments)
fset = token.NewFileSet()
gomAst, gomErr := gom.ParseFile(fset, srcFile, nil, gom.ParseComments)
expect("parse error", gomErr).Equal(stdErr)
//expect("decl count", len(gomAst.Decls)).Equal(len(stdAst.Decls))
//fmt.Println(gomAst.Decls[1].(*ast.FuncDecl).Type.Results)
//fmt.Println(stdAst.Decls[1].(*ast.FuncDecl).Type.Results)
for i := range stdAst.Decls {
expect(astStr(gomAst.Decls[i], fset)).Equal(astStr(stdAst.Decls[i], fset))
}
expect(astStr(gomAst, fset)).Equal(astStr(stdAst, fset))
}
}
func testMatch(t *testing.T, m Matcher, input string, expectedSize int, expectedMatched bool) {
expect := gspec.Expect(t.FailNow, 1)
size, matched := m.Match([]byte(input))
expect("matched", matched).Equal(expectedMatched)
expect("size of the match", size).Equal(expectedSize)
}
package scan
import (
"fmt"
"strings"
"testing"
"github.com/hailiang/gspec"
// ogdl "github.com/ogdl/flow"
)
const EOF = 0
var _ = gspec.Add(func(s gspec.S) {
describe, given, it, they, and := gspec.Alias5("describe", "given", "it", "they", "and", s)
expect := gspec.Expect(s.FailNow)
describe("patterns", func() {
given("a pattern", func() {
a := Pat("ab")
it("can be repeated zero or one time", func() {
expect(a.ZeroOrOne().String()).Equal("(?:ab)?")
})
it("can be repeated zero or more times", func() {
expect(a.ZeroOrMore().String()).Equal("(?:ab)*")
})
it("can be repeated one or more times", func() {
expect(a.OneOrMore().String()).Equal("(?:ab)+")
})
})
given("multiple patterns", func() {
a, b, c := Pat("aa"), Pat("bb"), Pat("cc")