1 // Copyright 2013 The Go Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style
3 // license that can be found in the LICENSE file.
5 // Except for this comment, this file is a verbatim copy of the file
6 // with the same name in $GOROOT/src/go/internal/gccgoimporter.
18 var typeParserTests = []struct {
19 id, typ, want, underlying, methods string
21 {id: "foo", typ: "<type -1>", want: "int8"},
22 {id: "foo", typ: "<type 1 *<type -19>>", want: "*error"},
23 {id: "foo", typ: "<type 1 *any>", want: "unsafe.Pointer"},
24 {id: "foo", typ: "<type 1 \"Bar\" <type 2 *<type 1>>>", want: "foo.Bar", underlying: "*foo.Bar"},
25 {id: "foo", typ: "<type 1 \"bar.Foo\" \"bar\" <type -1>\nfunc (? <type 1>) M ();\n>", want: "bar.Foo", underlying: "int8", methods: "func (bar.Foo).M()"},
26 {id: "foo", typ: "<type 1 \".bar.foo\" \"bar\" <type -1>>", want: "bar.foo", underlying: "int8"},
27 {id: "foo", typ: "<type 1 []<type -1>>", want: "[]int8"},
28 {id: "foo", typ: "<type 1 [42]<type -1>>", want: "[42]int8"},
29 {id: "foo", typ: "<type 1 map [<type -1>] <type -2>>", want: "map[int8]int16"},
30 {id: "foo", typ: "<type 1 chan <type -1>>", want: "chan int8"},
31 {id: "foo", typ: "<type 1 chan <- <type -1>>", want: "<-chan int8"},
32 {id: "foo", typ: "<type 1 chan -< <type -1>>", want: "chan<- int8"},
33 {id: "foo", typ: "<type 1 struct { I8 <type -1>; I16 <type -2> \"i16\"; }>", want: "struct{I8 int8; I16 int16 \"i16\"}"},
34 {id: "foo", typ: "<type 1 interface { Foo (a <type -1>, b <type -2>) <type -1>; Bar (? <type -2>, ? ...<type -1>) (? <type -2>, ? <type -1>); Baz (); }>", want: "interface{Bar(int16, ...int8) (int16, int8); Baz(); Foo(a int8, b int16) int8}"},
35 {id: "foo", typ: "<type 1 (? <type -1>) <type -2>>", want: "func(int8) int16"},
38 func TestTypeParser(t *testing.T) {
39 for _, test := range typeParserTests {
41 p.init("test.gox", strings.NewReader(test.typ), make(map[string]*types.Package))
45 p.maybeCreatePackage()
46 typ := p.parseType(p.pkg)
48 if p.tok != scanner.EOF {
49 t.Errorf("expected full parse, stopped at %q", p.lit)
52 // interfaces must be explicitly completed
53 if ityp, _ := typ.(*types.Interface); ityp != nil {
59 t.Errorf("got type %q, expected %q", got, test.want)
62 if test.underlying != "" {
63 underlying := typ.Underlying().String()
64 if underlying != test.underlying {
65 t.Errorf("got underlying type %q, expected %q", underlying, test.underlying)
69 if test.methods != "" {
70 nt := typ.(*types.Named)
72 for i := 0; i != nt.NumMethods(); i++ {
73 buf.WriteString(nt.Method(i).String())
75 methods := buf.String()
76 if methods != test.methods {
77 t.Errorf("got methods %q, expected %q", methods, test.methods)